ph pen tester online manufacture

PH Powder Calibration Solution pH4.00, pH4.01, pH6.86, pH 7.00, pH9.18, pH10.01 specifications: 5x PH 4.01 5x PH 6.86 5x PH 7.0 5x PH 9.18 5x PH 10.01 Features: As this is a powder, in a sealed packet there is ... Read More

PH Powder Calibration Solution pH4.01, pH6.86 specifications: 5x PH 4.01 5x PH 6.86 5x PH 7.0 5x PH 9.18 5x PH 10.01 Features: As this is a powder, in a sealed packet there is no "shelf life". The contents will ... Read More

1 box 20 set pH test strips 80 Strips Full PH Meter PH paper 1-14st Indicator Litmus Paper Features: 100% Brand new and high quality There is a strong correlation between the pH of the body's internal ... Read More

Electrode Probe Aquarium Ph Controller Meter Sensor Gib Digital Ph Sensor Electrode Feature: 100% Brand new and high quality BNC connector, suitable for most pH meter and controller with BNC connector. Suitable ... Read More

Yieryi Digital LCD PH Meter Soil Aquarium Pool Water Wine Urine Tester Analyzer Tool With CE Features: 100% brand new and high quality Pen battery compartment stand about 2000h LCD display power PH Temperature ... Read More

Yieryi High Precision LCD electrical ph meters water PH Pen Digital PH Tester Aquarium Specifications Accuracy 0.01 Resolution 0.01 Measuring Range 0.00~14.00 Operating Temperature 0~80C Power Supply 2*1.5V ... Read More

Yieryi PH-03 Design Digital LCD PH Meters Soil Aquarium Safe Pool Water Wine PH Tester Features: 100% brand new and high quality Pen battery compartment stand about 2000h LCD display power PH Temperature sensor ... Read More

Yieryi high quality PH Meter / Tester waterproof 0.0-14.0 PH pen For drinking water Applications: pure water production and drinking, hydrodynamics, boiler water, fish tank water, swimming pool water, ... Read More

YIERYI ditigal 2 in 1 PH / TDS Tester LCD test pen Water Quality Monitor Multi-parameter This is a mini-tester with a pH and TDS combo that helps you monitor and measure pH and total dissolved solids (TDS) ... Read More

YIERYI PH-9851 LCD 2 in 1 PH / TDS Tester test pen lcd tester tds metr Water Quality tool Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate ... Read More