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{"id":1582167813,"title":"HANNA HI 3512 Two Channel pH \/ ORP \/ ISE \/ EC \/ TDS \/ NaCl \/ °C Meter \/ CalCheck™ + PC Interface","handle":"hi3512-02","description":"\u003cp\u003eThe HI 3512 is a 2 channel professional benchtop meter with a graphic LCD. designed to provide accurate laboratory results. Channel 1 features pH\/ORP\/ISE and temperature measurement capability while channel 2 measures EC\/TDS\/NaCl\/Resistivity and temperature.\u003c\/p\u003e\n\u003cp\u003eThe pH channel offers up to five point pH calibration with seven standard buffers (pH 1.68. 4.01. 6.86. 7.01. 9.18. 10.01 and 12.45) and up to two custom buffers.\u003c\/p\u003e\n\u003cp\u003eHANNA’s exclusive Calibration Check™ diagnostics system ensures accurate pH?readings every time by alerting users of potential problems during the calibration process. The Calibration Check™ system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions. After the guided calibration process. a probe condition indicator is displayed on the LCD informing the user of the overall pH electrode status.\u003c\/p\u003e\n\u003cp\u003eThis instrument can measure using ORP electrodes (pH channel input). thanks to its capability to measure mV with a resolution up to 0.1 mV and ISE electrodes on ppm scale (pH channel input). The electrode type and unit selection capability and the ISE calibration in up to five calibration standard solutions make this instrument very useful for a large range of concentration solution measurements.\u003c\/p\u003e\n\u003cp\u003eThe EC channel offers up to two calibration points with 7 memorized standards (0.00 μS\/cm. 84.0 μS\/cm. 1.413 mS\/cm. 5.00 mS\/cm. 12.88 mS\/cm. 80.0 mS\/cm and 111.8 mS\/cm). The EC channel supports autoranging. manual ranging and lock of the user selected range. temperature compensation selection. temperature reference selection (15 °C. 20 °C or 25 °C) and temperature coefficient set.\u003c\/p\u003e\n\u003cp\u003epH and EC channels also provide user selectable “out of calibration range” warnings and a “calibration timeout” to remind the user when a new calibration is necessary.\u003c\/p\u003e\n\u003cp\u003eMessages on the graphic LCD offer directions for easy and accurate calibration for both channels as well as diagnostics to alert the user when calibration or measurement issues are detected.\u003c\/p\u003e\n\u003cp\u003eOther features of the HI 3512 include log-on-demand of up to 400 samples. automatic logging interval with log on stability feature of up to 600 records. auto HOLD that freezes the first stable reading on the LCD display. GLP to view the last calibration data for pH. rel mV. ISE. EC or NaCl and PC interface via USB.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e   HI 3512-02 (230V) is supplied with HI 76310 conductivity\/TDS probe. HI 1131B pH electrode. HI 7662-T temperature probe. HI 70004 pH 4.01 buffer solution sachet. HI 70007 pH 7.01 buffer solution sachet. HI 700661 electrode cleaning solution sachet (2). HI 7071S electrolyte solution (30 mL). HI 76404N electrode holder. 12 VDC adapter and instructions.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/man3512_20_07_10.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 pH; 0.01 pH; 0.001 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.01 pH; ±0.002 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2000.0 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.00 E-7 to 9.99 E10 conc.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e3 digits 0.01. 0.1. 1. 10 conc.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.5% of reading (monovalent ions); ±1% of reading (divalent ions)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Channel 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e–20.0 to 120.0 ºC (4.0 to 248.0 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 ºC (0.1 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 ºC (±0.4 ºF) (excluding probe error)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRel. mV Offset Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2000 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to five point calibration. seven standard buffers available (1.68. 4.01. 6.86. 7.01. 9.18. 10.01. 12.45). and two custom buffers\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration Check™\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eyes\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlope Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom 80 to 110%\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Temp. Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emanual or automatic from –20.0 to 120.0 ºC (–4.0 to 248.0 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 1131B glass body pH electrode with BNC connector and 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 7662-T temperature probe with 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISE Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to five-point calibration points 6 standard solutions available (0.1. 1. 10. 100. 1000. 10000 ppm)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.000 to 400 mS\/cm (shows values up to 1000 mS\/cm) actual conductivity 1000 mS\/cm;  0.001 to 9.999 µS\/cm; 10.00 to 99.99 µS\/cm; 100.0 to 999.9 µS\/cm; 1.000 to 9.999 mS\/cm; 10.00 to 99.99 mS\/cm; 100.0 to 999.9 mS\/cm; 1000 mS\/cm (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.001 µS\/cm; 0.01 µS\/cm; 0.1 µS\/cm; 0.001 mS\/cm; 0.01 mS\/cm; 0.1 mS\/cm; 1 mS\/cm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±0.01 µS\/cm or 1 digit whichever is greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e01.0 to 199.9 ohms; 100 to 1.999 ohms; 1.00 to 19.99 Kohms; 10.0 to 199.9 Kohms; 100 to 1.999 Kohms;  1.00 to 19.99 Mohms; 10.0 to 100.0 Mohms (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 ohm; 1 ohm; 0.01 Kohms; 0.1 Kohms; 1 Kohms; 0.01 Mohms; 0.1 Mohms\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±10 ohms or 1 digit whichever greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 g\/L; 10.00 to 99.99 g\/L;  100.0 to 400.0 g\/L (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 g\/L; 0.01 g\/L; 0.1 g\/L\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±0.05 ppm or 1 digit whichever greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFactor\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.40 to 1.00\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e% NaCl: 0.0 to 400.0 %\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 %\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Channel 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-20.0 to 120°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 °C (excluding probe error)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic up to two points with seven memorized standards (0.00 µS\/cm. 84.0 µS\/cm. 1.413 mS\/cm.  5.00 mS\/cm. 12.88 mS\/cm. 80.0 mS\/cm. 111.8 mS\/cm)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstant Cell Setup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.010 to 10.000\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNaCl Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emax. one point only (with HI 7037 standard)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 76310 platinum four ring conductivity\/TDS probe with 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic from sensor inside the probe; manual entry\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Temp. Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eNoTC. MTC. ATC\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e15. 20. 25 °C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 10.00 %\/°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLog On Demand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e400 samples\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLot Logging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e5. 10. 30 seconds; 1. 2. 5. 10. 15. 30. 60. 120. 180 minutes (max 600 samples)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eopto-isolated USB\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohms\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e12 VDC adapter (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment \/ Dimensions \/ Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 50 °C (32 - 122 °F) RH max 55% non-condensing \/ 235 x 207 x 110 mm (9.2 x 8.14 x 4.33”) \/ 1.8 Kg (4.1 lbs.)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","published_at":"2026-06-25T16:10:01+12:00","created_at":"2015-09-01T15:15:57+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Conductivity\/TDS Meters","Type_pH \u0026 ORP Meters"],"price":175000,"price_min":175000,"price_max":175000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":4857297541,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI3512-02","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 3512 Two Channel pH \/ ORP \/ ISE \/ EC \/ TDS \/ NaCl \/ °C Meter \/ CalCheck™ + PC Interface","public_title":null,"options":["Default Title"],"price":175000,"weight":0,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/acornsci.co.nz\/cdn\/shop\/products\/hi3512_200_2015.jpeg?v=1465536616"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi3512_200_2015.jpeg?v=1465536616","options":["Title"],"media":[{"alt":"HI 3512 Two Channel pH \/ ORP \/ ISE \/ EC \/ TDS \/ NaCl \/ °C Meter \/ CalCheck™ + PC Interface - Acorn Scientific","id":21300281443,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi3512_200_2015.jpeg?v=1465536616"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi3512_200_2015.jpeg?v=1465536616","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe HI 3512 is a 2 channel professional benchtop meter with a graphic LCD. designed to provide accurate laboratory results. Channel 1 features pH\/ORP\/ISE and temperature measurement capability while channel 2 measures EC\/TDS\/NaCl\/Resistivity and temperature.\u003c\/p\u003e\n\u003cp\u003eThe pH channel offers up to five point pH calibration with seven standard buffers (pH 1.68. 4.01. 6.86. 7.01. 9.18. 10.01 and 12.45) and up to two custom buffers.\u003c\/p\u003e\n\u003cp\u003eHANNA’s exclusive Calibration Check™ diagnostics system ensures accurate pH?readings every time by alerting users of potential problems during the calibration process. The Calibration Check™ system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions. After the guided calibration process. a probe condition indicator is displayed on the LCD informing the user of the overall pH electrode status.\u003c\/p\u003e\n\u003cp\u003eThis instrument can measure using ORP electrodes (pH channel input). thanks to its capability to measure mV with a resolution up to 0.1 mV and ISE electrodes on ppm scale (pH channel input). The electrode type and unit selection capability and the ISE calibration in up to five calibration standard solutions make this instrument very useful for a large range of concentration solution measurements.\u003c\/p\u003e\n\u003cp\u003eThe EC channel offers up to two calibration points with 7 memorized standards (0.00 μS\/cm. 84.0 μS\/cm. 1.413 mS\/cm. 5.00 mS\/cm. 12.88 mS\/cm. 80.0 mS\/cm and 111.8 mS\/cm). The EC channel supports autoranging. manual ranging and lock of the user selected range. temperature compensation selection. temperature reference selection (15 °C. 20 °C or 25 °C) and temperature coefficient set.\u003c\/p\u003e\n\u003cp\u003epH and EC channels also provide user selectable “out of calibration range” warnings and a “calibration timeout” to remind the user when a new calibration is necessary.\u003c\/p\u003e\n\u003cp\u003eMessages on the graphic LCD offer directions for easy and accurate calibration for both channels as well as diagnostics to alert the user when calibration or measurement issues are detected.\u003c\/p\u003e\n\u003cp\u003eOther features of the HI 3512 include log-on-demand of up to 400 samples. automatic logging interval with log on stability feature of up to 600 records. auto HOLD that freezes the first stable reading on the LCD display. GLP to view the last calibration data for pH. rel mV. ISE. EC or NaCl and PC interface via USB.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e   HI 3512-02 (230V) is supplied with HI 76310 conductivity\/TDS probe. HI 1131B pH electrode. HI 7662-T temperature probe. HI 70004 pH 4.01 buffer solution sachet. HI 70007 pH 7.01 buffer solution sachet. HI 700661 electrode cleaning solution sachet (2). HI 7071S electrolyte solution (30 mL). HI 76404N electrode holder. 12 VDC adapter and instructions.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/man3512_20_07_10.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 pH; 0.01 pH; 0.001 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.01 pH; ±0.002 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2000.0 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.00 E-7 to 9.99 E10 conc.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e3 digits 0.01. 0.1. 1. 10 conc.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.5% of reading (monovalent ions); ±1% of reading (divalent ions)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Channel 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e–20.0 to 120.0 ºC (4.0 to 248.0 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 ºC (0.1 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 ºC (±0.4 ºF) (excluding probe error)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRel. mV Offset Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2000 mV\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to five point calibration. seven standard buffers available (1.68. 4.01. 6.86. 7.01. 9.18. 10.01. 12.45). and two custom buffers\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration Check™\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eyes\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlope Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom 80 to 110%\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Temp. Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emanual or automatic from –20.0 to 120.0 ºC (–4.0 to 248.0 ºF)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 1131B glass body pH electrode with BNC connector and 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 7662-T temperature probe with 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISE Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to five-point calibration points 6 standard solutions available (0.1. 1. 10. 100. 1000. 10000 ppm)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.000 to 400 mS\/cm (shows values up to 1000 mS\/cm) actual conductivity 1000 mS\/cm;  0.001 to 9.999 µS\/cm; 10.00 to 99.99 µS\/cm; 100.0 to 999.9 µS\/cm; 1.000 to 9.999 mS\/cm; 10.00 to 99.99 mS\/cm; 100.0 to 999.9 mS\/cm; 1000 mS\/cm (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.001 µS\/cm; 0.01 µS\/cm; 0.1 µS\/cm; 0.001 mS\/cm; 0.01 mS\/cm; 0.1 mS\/cm; 1 mS\/cm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±0.01 µS\/cm or 1 digit whichever is greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e01.0 to 199.9 ohms; 100 to 1.999 ohms; 1.00 to 19.99 Kohms; 10.0 to 199.9 Kohms; 100 to 1.999 Kohms;  1.00 to 19.99 Mohms; 10.0 to 100.0 Mohms (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 ohm; 1 ohm; 0.01 Kohms; 0.1 Kohms; 1 Kohms; 0.01 Mohms; 0.1 Mohms\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±10 ohms or 1 digit whichever greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 g\/L; 10.00 to 99.99 g\/L;  100.0 to 400.0 g\/L (autoranging)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 g\/L; 0.01 g\/L; 0.1 g\/L\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading (±0.05 ppm or 1 digit whichever greater) excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFactor\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.40 to 1.00\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e% NaCl: 0.0 to 400.0 %\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1 %\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1% of reading excluding probe error\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Channel 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-20.0 to 120°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.2 °C (excluding probe error)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic up to two points with seven memorized standards (0.00 µS\/cm. 84.0 µS\/cm. 1.413 mS\/cm.  5.00 mS\/cm. 12.88 mS\/cm. 80.0 mS\/cm. 111.8 mS\/cm)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstant Cell Setup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.010 to 10.000\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNaCl Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emax. one point only (with HI 7037 standard)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eHI 76310 platinum four ring conductivity\/TDS probe with 1 m (3.3') cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic from sensor inside the probe; manual entry\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Temp. Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eNoTC. MTC. ATC\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e15. 20. 25 °C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 10.00 %\/°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLog On Demand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e400 samples\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLot Logging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e5. 10. 30 seconds; 1. 2. 5. 10. 15. 30. 60. 120. 180 minutes (max 600 samples)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eopto-isolated USB\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohms\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e12 VDC adapter (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment \/ Dimensions \/ Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 50 °C (32 - 122 °F) RH max 55% non-condensing \/ 235 x 207 x 110 mm (9.2 x 8.14 x 4.33”) \/ 1.8 Kg (4.1 lbs.)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e"}

HANNA HI 3512 Two Channel pH / ORP / ISE / EC / TDS / NaCl / °C Meter / CalCheck™ + PC Interface

Product Description

The HI 3512 is a 2 channel professional benchtop meter with a graphic LCD. designed to provide accurate laboratory results. Channel 1 features pH/ORP/ISE and temperature measurement capability while channel 2 measures EC/TDS/NaCl/Resistivity and temperature.

The pH channel offers up to five point pH calibration with seven standard buffers (pH 1.68. 4.01. 6.86. 7.01. 9.18. 10.01 and 12.45) and up to two custom buffers.

HANNA’s exclusive Calibration Check™ diagnostics system ensures accurate pH?readings every time by alerting users of potential problems during the calibration process. The Calibration Check™ system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions. After the guided calibration process. a probe condition indicator is displayed on the LCD informing the user of the overall pH electrode status.

This instrument can measure using ORP electrodes (pH channel input). thanks to its capability to measure mV with a resolution up to 0.1 mV and ISE electrodes on ppm scale (pH channel input). The electrode type and unit selection capability and the ISE calibration in up to five calibration standard solutions make this instrument very useful for a large range of concentration solution measurements.

The EC channel offers up to two calibration points with 7 memorized standards (0.00 μS/cm. 84.0 μS/cm. 1.413 mS/cm. 5.00 mS/cm. 12.88 mS/cm. 80.0 mS/cm and 111.8 mS/cm). The EC channel supports autoranging. manual ranging and lock of the user selected range. temperature compensation selection. temperature reference selection (15 °C. 20 °C or 25 °C) and temperature coefficient set.

pH and EC channels also provide user selectable “out of calibration range” warnings and a “calibration timeout” to remind the user when a new calibration is necessary.

Messages on the graphic LCD offer directions for easy and accurate calibration for both channels as well as diagnostics to alert the user when calibration or measurement issues are detected.

Other features of the HI 3512 include log-on-demand of up to 400 samples. automatic logging interval with log on stability feature of up to 600 records. auto HOLD that freezes the first stable reading on the LCD display. GLP to view the last calibration data for pH. rel mV. ISE. EC or NaCl and PC interface via USB.

Order Information:   HI 3512-02 (230V) is supplied with HI 76310 conductivity/TDS probe. HI 1131B pH electrode. HI 7662-T temperature probe. HI 70004 pH 4.01 buffer solution sachet. HI 70007 pH 7.01 buffer solution sachet. HI 700661 electrode cleaning solution sachet (2). HI 7071S electrolyte solution (30 mL). HI 76404N electrode holder. 12 VDC adapter and instructions.

Product Manuals

  Manual: Download

Specification :

pH Range -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH
  Resolution 0.1 pH; 0.01 pH; 0.001 pH
  Accuracy ±0.01 pH; ±0.002 pH
mV Range ±2000.0 mV
  Resolution 0.1 mV
  Accuracy ±0.2 mV
ISE Range 1.00 E-7 to 9.99 E10 conc.
  Resolution 3 digits 0.01. 0.1. 1. 10 conc.
  Accuracy ±0.5% of reading (monovalent ions); ±1% of reading (divalent ions)
Temperature Channel 1 Range –20.0 to 120.0 ºC (4.0 to 248.0 ºF)
  Resolution 0.1 ºC (0.1 ºF)
  Accuracy ±0.2 ºC (±0.4 ºF) (excluding probe error)
Rel. mV Offset Range   ±2000 mV
pH Calibration   up to five point calibration. seven standard buffers available (1.68. 4.01. 6.86. 7.01. 9.18. 10.01. 12.45). and two custom buffers
pH Calibration Check™   yes
Slope Calibration   from 80 to 110%
pH Temp. Compensation   manual or automatic from –20.0 to 120.0 ºC (–4.0 to 248.0 ºF)
pH Electrode   HI 1131B glass body pH electrode with BNC connector and 1 m (3.3') cable (included)
Temperature probe   HI 7662-T temperature probe with 1 m (3.3') cable (included)
ISE Calibration   up to five-point calibration points 6 standard solutions available (0.1. 1. 10. 100. 1000. 10000 ppm)
EC Range 0.000 to 400 mS/cm (shows values up to 1000 mS/cm) actual conductivity 1000 mS/cm;  0.001 to 9.999 µS/cm; 10.00 to 99.99 µS/cm; 100.0 to 999.9 µS/cm; 1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 999.9 mS/cm; 1000 mS/cm (autoranging)
  Resolution 0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm
  Accuracy ±1% of reading (±0.01 µS/cm or 1 digit whichever is greater) excluding probe error
Resistivity Range 01.0 to 199.9 ohms; 100 to 1.999 ohms; 1.00 to 19.99 Kohms; 10.0 to 199.9 Kohms; 100 to 1.999 Kohms;  1.00 to 19.99 Mohms; 10.0 to 100.0 Mohms (autoranging)
  Resolution 0.1 ohm; 1 ohm; 0.01 Kohms; 0.1 Kohms; 1 Kohms; 0.01 Mohms; 0.1 Mohms
  Accuracy ±1% of reading (±10 ohms or 1 digit whichever greater) excluding probe error
TDS Range 0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 g/L; 10.00 to 99.99 g/L;  100.0 to 400.0 g/L (autoranging)
  Resolution 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 g/L; 0.01 g/L; 0.1 g/L
  Accuracy ±1% of reading (±0.05 ppm or 1 digit whichever greater) excluding probe error
  Factor 0.40 to 1.00
Salinity Range % NaCl: 0.0 to 400.0 %
  Resolution 0.1 %
  Accuracy ±1% of reading excluding probe error
Temperature Channel 2 Range -20.0 to 120°C
  Resolution 0.1°C
  Accuracy ±0.2 °C (excluding probe error)
EC Calibration   automatic up to two points with seven memorized standards (0.00 µS/cm. 84.0 µS/cm. 1.413 mS/cm.  5.00 mS/cm. 12.88 mS/cm. 80.0 mS/cm. 111.8 mS/cm)
Constant Cell Setup   0.010 to 10.000
NaCl Calibration   max. one point only (with HI 7037 standard)
EC Probe   HI 76310 platinum four ring conductivity/TDS probe with 1 m (3.3') cable (included)
Temperature Source   automatic from sensor inside the probe; manual entry
EC Temp. Compensation   NoTC. MTC. ATC
Reference Temperature   15. 20. 25 °C
Temperature Coefficient   0.00 to 10.00 %/°C
Log On Demand   400 samples
Lot Logging   5. 10. 30 seconds; 1. 2. 5. 10. 15. 30. 60. 120. 180 minutes (max 600 samples)
PC interface   opto-isolated USB
Input Impedance   1012 Ohms
Power Supply   12 VDC adapter (included)
Environment / Dimensions / Weight   0 to 50 °C (32 - 122 °F) RH max 55% non-condensing / 235 x 207 x 110 mm (9.2 x 8.14 x 4.33”) / 1.8 Kg (4.1 lbs.)

 

This product is available upon request. Contact us for more information.