DO Meter, ST300D - 30031655 The galvanic electrode can be used immediately after being powered on without the typical wait time associated with dissolved oxygen meters. Easy-to-use and accurate with a simple calibration process, automatic temperature compensation and fast results. The 30-measurement library stores data for future reference and allows the user to easily recall the last calibration data with one quick touch. Family Tag Line: Convenient Portable Dissolved Oxygen (DO) Meter for Wherever Your Work Takes You Family Name: Starter 300D DO Portable Display: Liquid crystal display (LCD) Applications: Dissolved oxygen (DO) measurement Construction: ABS housing, wrist strap Design Features: 30 measurement memory Communication: N/A Family Overview: After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable dissolved oxygen (DO) meter. This portable meter offers convenience, reliability and durability in one compact design. Operation: 4 AAA batteries (included) Model No.: ST300D Measurement Range: 0.00 – 19.99;20.0 – 45.0 mg/L;200 – 400%;0 – 50 °C Measurement Resolution: 0.1 mg/L;1 mg/L;0.1%;1%;0.1 °C;0.1 ppm;1 ppm Accuracy ± (mV): Display: LCD Working Environment: 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing) Net Weight: 0.35 lb (0.16 kg) pH accuracy (±): Dimensions: 1.38 in x 6.69 in x 3.54 in (35 mm x 170 mm x 90 mm) (HxLxW) Accuracy ± (Temperature): 0.3 °C Parameter: Dissolved Oxygen Accuracy: ± 0.3 mg/L;± 1%;±0.3 °C Power: 4 AAA (LR03) Batteries (Included)