Extech PH-300 pH/ORP/Temp. Meter

3-in-1 Meter with Lab-Quality Performance that Measures pH, mV, and Temperature at your workbench or in the field.

Features:
Waterproof housing ( meets IP57)
Automatic calibration ( 4, 7, and 10pH)
Choice of 3 point calibration for better accuracy
Automatic Temperature Compensation
Memory stores up to 200 readings with series number, measured value and temperature
Large blue backlit dual LCD display
Auto power off saves battery life with disable function

Specifications: 
pH : 2.00 to 19.99pH
mV : -1999 to + 1999mV
Temperature : 32 to 212° F ( 0 to 100° C)
Resolution : 0.01pH, 1mV, 0.1°
Accuracy : ± 0.02pH; ± 0.15mV; ± 1° F/ ± 0.5° C
Power : Two AA batteries
Dimension : Meter: 4.7 x 2.6 x 1.2 " ( 120 x 65 x 31mm) ; Kit: 14 x 10.75 x 3 " ( 355.6 x 273 x 76.2mm)
Weight : Meter: 6.3oz ( 180g) ; Kit: 2.9lbs ( 1.3kg) 

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