Ohaus DO Meter ST400D-B

Ohaus DO Meter ST400D-B Part # 30378541 Low-Maintenance Dissolved Oxygen (DO) Meter with Optical Technology for Accurate Measurements The galvanic electrode can be used immediately after being powered on without the wait time typically associated with dissolved oxygen meters With a simple calibration process, quick delivery of measurements and automatic temperature compensation, Starter 300D is both easy-to-use and accurate. The automatic or manual endpoints allow the user to easily recall the last calibration data and stored information with one quick touch. Product Specifications Measurement Range 0.00 – 20.0 mg/L(ppm);  0 – 50 °C Accuracy ±0.2 mg/L(<  8 mg/L) or ±0.3 mg/L(8~20 mg/L);  ±0.3 °C Measurement Resolution 0.01 mg/L;  0.1 °C;  0.1% Display Color LCD Graphics Electrode STDO21 (Availabe as product) Accuracy DO 0.2 ppm Accuracy ± (Temperature) 0.3 °C Battery Life 12 hours with Disposable Batteries Calibration 2 Point Dimensions (HxLxW) 1.38 in x 5.91 in x 3.54 in (35 mm x 150 mm x 90 mm) In-use cover No Measurement Range DO 0 ppm – 20 ppm Measurement Range (Temperature) 0 °C – 50 °C Net Weight 0.35 lb (0.16 kg) Parameter Dissolved Oxygen Power 4 AAA (LR03) Batteries (Included) Resolution (DO) 0.01 Temperature Compensation Automatic Temperature Resolution 0.1 °C Temperature Sensor 10 KΩ NTC Working Environment 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)   This product ships directly from Ohaus, ensuring fast delivery, proper handling, and factory-fresh quality. When you purchase Ohaus, you’re backed by one of the most trusted names in laboratory equipment — known worldwide for precision, reliability, and exceptional support. Shop with confidence knowing your order is fulfilled by the manufacturer themselves Product Brochure