{"id":2031637317,"title":"HANNA HI 4421-02 RESEARCH GRADE Dissolved Oxygen \u0026 BOD Meter","handle":"hi4421-02","description":"\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHI 4421\u003c\/strong\u003e is a research grade dissolved oxygen bench meter with extensive capabilities in measuring DO as BOD (Biological Oxygen Demand). OUR (Oxygen Uptake Rate). SOUR (Specific Oxygen Uptake Rate). atmospheric pressure and temperature. DO measurements can be performed in ppm (mg\/L) range or in % and feature automatic or manual temperature and atmospheric pressure compensation and manual salinity compensation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eAutomatic and manual calibration of DO can be performed in one or two points using standard or user defined standards. Users can set the reading stability criteria; three modes are available: Fast. Medium and Accurate. Direct\/autohold auomatically holds the reading on display when measurement stability is reached. In direct reading mode. the user interface can be set to basic with or without GLP. graphic or logging information.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThese instruments offer multi-language support and contextual help is available through a dedicated Help key. Clear tutorial messages and directions are available on-screen to quickly and easily guide users through all measurement and calibration procedures to ensure measurements and procedures are performed properly.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe BOD. OUR and SOUR methods are supported with a dedicated tutorial and step by step indication in order to assure a full and correct reading of DO using this specific measuring method.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe DO probe is using the polarographic principal of measurement and has a built-in temperature sensor.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eUp to 10 profiles can be saved and recalled eliminating the need to reconfigure each time when a different electrode is used. User definable configurations can include reading mode: direct or BOD. OUR. and SOUR. measurement units. temperature units. stability criteria. and temperature. atmospheric pressure and salinity compensation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThree selectable logging modes are available: Automatic. Manual and AutoHold logging. Up to 100 logging lots can be stored for automatic or manual modes. Automatic logging features a selectable area and sampling period while GLP information includes complete data about user calibration of each parameter and identification information for the instrument. user. and company. Data can be transferred to a PC via the opto-isolated PC interface via the RS232 or USB ports and HI 92000 software (optional).\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e   HI 4421-02 (230V) is supplied with HI 76408 DO probe. HI 76404N electrode holder. HI 7041S electrolyte solution (30 mL). HI 76407A membrane caps (2). 12 VDC adapter and instruction manual.\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\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 90.00 ppm; 0.0 to 600.0 % saturation\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e450 to 850 mmHg; 560 to 1133 mBar\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTemperature\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-20.0 to 120.0°C; -4.0 to 248°F; 253.1 to 393.1 K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.01 ppm; 0.1% saturation\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1 mm Hg\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTemperature\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1°C\/°F\/K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1.5% of reading ±1 digit\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±3 mm Hg + 1 least significant digit\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003edirect DO; BOD (biochemical oxygen demand); OUR (oxygen uptake rate); SOUR (specific oxygen uptake rate)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic\/user standard. one or two points\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003esingle point\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.0 to 50.0°C; 32.0 to 122.0°F; 237.1 to 323.1 K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 45 g\/L (ppt)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003ethin body. polarographic dissolved oxygen probe with internal temperature sensor and 1 m (3.3’) cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eRecord Samples\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to 100 lots; 10.000 samples\/lot for automatic logging;  5000 samples\/lot for manual logging\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eLogging Interval\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom one second and up\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eType\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emanual. automatic\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGLP Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eyes (last calibration data. calibration info)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm (DO. BOD. OUR. SOUR)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003einside and outside limits\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eopto-isolated USB and RS232\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003egraphic color LCD with on-screen help. graphing. language selection and custom configuration\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.2 Kg (2.6 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":"2026-06-25T15:06:01+12:00","created_at":"2015-09-07T15:09:59+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Dissolved Oxygen"],"price":289712,"price_min":289712,"price_max":289712,"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":5832173893,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI4421-02","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 4421-02 RESEARCH GRADE Dissolved Oxygen \u0026 BOD Meter","public_title":null,"options":["Default Title"],"price":289712,"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\/research-grade-sauerstoff-labormessgerat-482_1-1_2015.jpeg?v=1465536861","\/\/acornsci.co.nz\/cdn\/shop\/products\/718fiqblzzl-_aa1500_-1_2015.jpeg?v=1465536862","\/\/acornsci.co.nz\/cdn\/shop\/products\/rg_2015.png?v=1443495085"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/research-grade-sauerstoff-labormessgerat-482_1-1_2015.jpeg?v=1465536861","options":["Title"],"media":[{"alt":"HI 4421-02 RESEARCH GRADE Dissolved Oxygen \u0026 BOD Meter - Acorn Scientific","id":25254330467,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/research-grade-sauerstoff-labormessgerat-482_1-1_2015.jpeg?v=1465536861"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/research-grade-sauerstoff-labormessgerat-482_1-1_2015.jpeg?v=1465536861","width":1000},{"alt":"HI 4421-02 RESEARCH GRADE Dissolved Oxygen \u0026 BOD Meter - Acorn Scientific","id":25254363235,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/718fiqblzzl-_aa1500_-1_2015.jpeg?v=1465536862"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/718fiqblzzl-_aa1500_-1_2015.jpeg?v=1465536862","width":1000},{"alt":"HANNA HI 4421-02 RESEARCH GRADE Dissolved Oxygen \u0026 BOD Meter - Acorn Scientific","id":25254396003,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/rg_2015.png?v=1443495085"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/rg_2015.png?v=1443495085","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHI 4421\u003c\/strong\u003e is a research grade dissolved oxygen bench meter with extensive capabilities in measuring DO as BOD (Biological Oxygen Demand). OUR (Oxygen Uptake Rate). SOUR (Specific Oxygen Uptake Rate). atmospheric pressure and temperature. DO measurements can be performed in ppm (mg\/L) range or in % and feature automatic or manual temperature and atmospheric pressure compensation and manual salinity compensation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eAutomatic and manual calibration of DO can be performed in one or two points using standard or user defined standards. Users can set the reading stability criteria; three modes are available: Fast. Medium and Accurate. Direct\/autohold auomatically holds the reading on display when measurement stability is reached. In direct reading mode. the user interface can be set to basic with or without GLP. graphic or logging information.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThese instruments offer multi-language support and contextual help is available through a dedicated Help key. Clear tutorial messages and directions are available on-screen to quickly and easily guide users through all measurement and calibration procedures to ensure measurements and procedures are performed properly.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe BOD. OUR and SOUR methods are supported with a dedicated tutorial and step by step indication in order to assure a full and correct reading of DO using this specific measuring method.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe DO probe is using the polarographic principal of measurement and has a built-in temperature sensor.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eUp to 10 profiles can be saved and recalled eliminating the need to reconfigure each time when a different electrode is used. User definable configurations can include reading mode: direct or BOD. OUR. and SOUR. measurement units. temperature units. stability criteria. and temperature. atmospheric pressure and salinity compensation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThree selectable logging modes are available: Automatic. Manual and AutoHold logging. Up to 100 logging lots can be stored for automatic or manual modes. Automatic logging features a selectable area and sampling period while GLP information includes complete data about user calibration of each parameter and identification information for the instrument. user. and company. Data can be transferred to a PC via the opto-isolated PC interface via the RS232 or USB ports and HI 92000 software (optional).\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e   HI 4421-02 (230V) is supplied with HI 76408 DO probe. HI 76404N electrode holder. HI 7041S electrolyte solution (30 mL). HI 76407A membrane caps (2). 12 VDC adapter and instruction manual.\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\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 90.00 ppm; 0.0 to 600.0 % saturation\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e450 to 850 mmHg; 560 to 1133 mBar\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTemperature\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-20.0 to 120.0°C; -4.0 to 248°F; 253.1 to 393.1 K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.01 ppm; 0.1% saturation\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1 mm Hg\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTemperature\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.1°C\/°F\/K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±1.5% of reading ±1 digit\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±3 mm Hg + 1 least significant digit\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003edirect DO; BOD (biochemical oxygen demand); OUR (oxygen uptake rate); SOUR (specific oxygen uptake rate)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eDissolved Oxygen\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic\/user standard. one or two points\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eBarometric Pressure\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003esingle point\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.0 to 50.0°C; 32.0 to 122.0°F; 237.1 to 323.1 K\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 45 g\/L (ppt)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003ethin body. polarographic dissolved oxygen probe with internal temperature sensor and 1 m (3.3’) cable (included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eRecord Samples\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eup to 100 lots; 10.000 samples\/lot for automatic logging;  5000 samples\/lot for manual logging\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eLogging Interval\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom one second and up\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eType\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003emanual. automatic\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGLP Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eyes (last calibration data. calibration info)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm (DO. BOD. OUR. SOUR)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003einside and outside limits\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eopto-isolated USB and RS232\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003egraphic color LCD with on-screen help. graphing. language selection and custom configuration\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.2 Kg (2.6 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"}