Ohaus ST20R ORP Pen Meter with Temperature Display Starter pen meters provide what should be expected of a small pen meter: simple, fast, straightforward, no-frills yet highly accurate operation time and time again. They are the economical option when you are looking for accurate measurements with no restrictions. With durable plastic housing, a protective cap that safeguards the sensor, and an automatic shutdown feature to preserve battery life, the Starter pen meters can endure consistent use in rugged environments. Equipped with a wrist strap that helps to prevent unintentional dropping, Starter pen meters are constructed with an IP67 waterproof design that can prevent water damage when accidentally dropped into liquid. The meter provides almost instantaneous results and offers the ability to hold the reading right on the display to provide additional time for data logging. Specifications: Meter Type: ORP Measurement Range: -1000 – 1000 mV; 0.0 – 99.0 °C Accuracy ±: 2 mV / 0.5 °C Measurement Resolution: 1 mV Display: LCD ATC: Yes Temperature Compensation: Automatic Automatic Shutdown: Yes, after 6 minutes of non-use Battery Life: 200 hours with disposable batteries Calibration: Not applicable Dimensions: 5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm) (LxHxW) Net Weight: 88 oz (110 g) Number of Buttons: 2 Power: 4 AG13 batteries (included) Protection Rating: IP67 Temperature Display: Yes Temperature Sensor: 50 KΩ NTC Working Environment: 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing) Wrist Strap: Yes Starter Pen Meters Data Sheet ST20R Manual
