Features: Compact, portable pen type pH meter for testing Pen Type Meter that cans simultaneously measure & display pH and temperature results The electrode has been used (laid) for long time from the last calibration The electrode has been used in particularly taxing conditions The utmost accuracy is required Specifications: 

Measuring range: 0.0 to 14.0 

PH Resolution: 0.1 pH 

Accuracy: +- 0.2 pH (at 20C/68F) 

Typical EMC DEV: +-0.2Ph 

Batteries: 3 x 1.5V (AG-13 Button Battery)[not included] Life: approx. 700hours of use Temperature Compensation: 0 to 50 degree centigrade(32 to 122 Fahrenheit degree) Relative humidity: <95>

Dimensions: 150mmx29mmx15mm 

Package dimensions: 178x65x23mm 

Trimming: by potentiometer 

Color: Yellow 

Weight:51g 

Gross weight:120g