Starter 400D DO Portable Meter, ST400D

High-Performance, Low-Maintenance Dissolved Oxygen DO Meter with Optical Technology for Accurate MeasurementsFor over a century, OHAUS has perfected the art of measurement through our line of weighing products. Taking the same approach to our weighing equipment, OHAUS now delivers Starter ST400D - a practical, affordable, low-maintenance DO Portable Meter equipped with optical technology. The ST400D is ideal for applications that require simple yet accurate DO measurements.Optical DO probe requires minimal maintenance and offers immediate measurement readings. No warm up or sample preparation needed.Large backlit LCD screen provides easy to read results - even in low light environments. Ideal for secure field use with a meter stand, wrist strap and durable IP54 housing.The 99-measurement library stores data for future reference and allows for easy one-touch recall of the last calibration data.Measurement Range 0.00 20.0 mg/Lppm; 0 50CMeasurement Resolution 0.01 mg/L; 0.1%; 0.1 CCalibration 2 PointTemperature compensation AutomaticDisplay Color LCD GraphicsWorking Environment 5C 40C, 80% RH, Non-condensingWorking Environment 41F 104F, 80% RH, Non-condensingNet Weight 0.16 kg 0.35 lbBattery Life 12 hours with Disposable BatteriesElectrode STDO21 IncludedParameter Dissolved OxygenProduct will be used OutdoorDimensions Length 150 mm 5.91 inDimensions Width 90 mm 3.54 inDimensions Height 35 mm 1.38 inAccuracy 0.2 mg/L<8 mg/L or 0.3 mg/L820 mg/L; 0.3 CAccuracy DO 0.2 ppmAccuracy Temperature 0.3 CInuse cover NoMeasurement Range Temperature 0 C ; 50 CMeasurement Range DO 0 ppm ; 20 ppmPower 4 AAA LR03 Batteries IncludedResolution DO 0.01Temperature resolution 0.1 CTemperature Sensor 10 K NTCMarket Worlds LaboratoryKey Features PortableMain Purpose Water AnalysisCountry of origin CNCustoms tariff number 9027102000Shipping Weight: 2 lbsResearch or further manufacturing use only, not for food or drug use.