EXTECH PH 300( PH/ MV/ TEMP METER)

Measures pH, mV, and Temperature at your workbench or in the field
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
Waterproof housing
Complete with pH/ mV/ Temperature electrode, protective rubber holster, pH calibration solutions, 2 AA batteries and hard carrying case