ph pen tester online manufacture

Yieryi digital LCD PH Meter Automatic Correction Waterproof Acidity meter Analysis feature: For measuring the solution PH value and temperature. Waterproof grade IP65, can replace the sensor probe. Automatic ... Read More

Yieryi Digital LCD PH 03 PH Meters electrical PH tester for Urine Tester Analyze Specifications: Display: LCD Digital Accuracy: 0.01 Resolution: 0.01 Operating Temperature: 0~80C Measuring Range: 0.00~14.00 ... Read More

Yieryi Digital LCD PH 03 PH Meters electrical PH tester for Urine Tester Analyze Specifications Display LCD Digital Accuracy 0.01 Resolution 0.01 Operating Temperature 0~80C Measuring Range 0.00~14.00 Standby ... Read More

Yieryi PH Meter ditigal 0-14 Pocket Pen Waterproof Acidity tester Ph pen for pool Pocket digital display acidity meter,The introduction of advanced technology and the use of imported components, greatly ... Read More

Yieryi Digital large screen PH Meter 0-14 Pocket Pen Aquarium Test Medidor De Ph pen Features: Measuring range :0.00-14 .00 PH Accuracy: +/- 0.01PH Resolution: 0.01PH Operating temperature: 0 oC~ 50 oC Battery: ... Read More

Yieryi Digital PH Meters Tester With 2 Point Auto Calibration PH Tester Aquarium Pool Water Specifications Weight 52g size 29*153*16mm Accuracy 0.01 Resolution 0.01 Probe Measuring Range 0.00~14.00 Type ... Read More

Yieryi Pocket LCD PH Meter PH Pen PH Acidity Meter 0.0-14.0pH for Pool Water Laboratory Features Measuring range 0.00-14 .00 PH Accuracy +/- 0.01PH Resolution 0.01PH Operating temperature 0 oC~ 50 oC Battery ... Read More

Yieryi Pocket Pen Water PH Meter LCD Tester 0.0-14.0 PH For Aquarium Pool Water Laboratory Features: The electrode has been used(laid) for long time from the last calibration The electrode has been used in ... Read More

YIERYI PH Meter Digital 0 to 14.00 pH Waterproof Ph Tester Aquarium Laboratory Water Checker Backlight Pen CT-6021A Tool Features: 1. The electrode can be replaced. 2. Low power consumption, high accuracy, wide ... Read More

YIERYI Digital PH Meter Portable Tester Filter Water CT-6021A Tool Measurement Range Of 0.00 ~ 14.00PH Features: The instrument housing waterproof design of acidimeter LCD display. Small size, portable, ... Read More