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Portable Digital Water Quality Tester PH Meter PH-20W 

This PH tester was designed and made with precision components and sensors, it has high sensitivity and accuracy, stable to work with different temperatures. It has a large LCD display for clear reading, can measure the PH value and measure solvent's temperature under test, widely applied in industrial, electrical and agriculture, medicine, food industry, etc.

Features:
Display and buttons: digital display on the body, clear images and easy operation.
Electrode probe: High-precision sensitive electrode probe has a fast response, accurate data, and more stable measurement
Battery compartment: 4 button batteries, replacement is more convenient.

Specifications:
Model Number: PH-20W
Type: Portable PH meter
Accuracy: 0.1
Probe Type: External Connection Electrodes
Test range: PH: 0.1 ~ 14.0PH;
Resolution: PH: 0.1PH
Accuracy: PH: ± 0.1PH;
PH calibration: PH: 25 °C three-point calibrations 4.0, 6.9, 9.2
Electrode p: external connection battery
Working temperature: 0 ~ 50 °C (32 ~ 122 °F)
Power supply: 1.5V battery *4PSC

Package List:
1 x Portable Water Analyzer
1 x pH Probe 
1 x Instructions
1 x pH Buffer Powder 6.86
1 x pH Buffer Powder 4.00
1 x pH Buffer Powder 9.18