YSI ORP15A Pen Style ORP Temperature Meter, -1100 to 1100 unit, 1 mV Resolution, 1 mV +/- 1 LSD Accuracy

The ORP15A offers accurate, low cost measurement of ORP and temperature. Measuring these parameters in a pen-style instrument that's also simple and compact means you get the most convenient sampling method available. The ORP15A is an easy-to-use mV instrument for food such as vegetable washing and sanitizers, swimming pools, wastewater, and aquaculture. Also includes a graphic display with on-screen instructions. 50-set memory. Hold feature locks readings on display. CE compliance. ATC probe: thermistor, 10k ohms at 25 degree C. Battery: four LR44 alkalines included with purchase. Battery life: 200 hours or greater with low battery indicator. Memory: non-volatile; 50 sets absolute and relative ORP, temperature, date and time stamp; erase all data function. Operating temperature range: 0.0 to 50 degree C. Water resistance: IP-67 waterproof case. Weight: 3.7 ounces with batteries. ORP range: -1100 to 1100 units. ORP accuracy: 1 mV +/-1 LSD. ORP resolution: 1 mV. Temperature Range: -10 to 100 degree C. Temperature Accuracy: +/- 0.3 degree C. Temperature Resolution: 0.1 degree C. Warranty: 1 Year instrument; 6 months electrode.