handy ph meter online manufacture

YIERYI Digital PH Meter ORP Meter 0.0--14.0pH 500mV protable PH tester ORP tester Potential meter ATC CT-6821 Specifications: Measuring range 0.0 ~ 14.0pH; 500mV Accuracy 0.1pH; 5mV Resolution 0.1pH; 1mV ... Read More

Waterproof Digital Handheld Ph Meter Automatic Water Analyzer Control Range 0.0~14.0ph +/-500mv Professional Water Analyzer Control Range 0.0~14.0pH +/-500mV Pen Type Waterproof Digital pH & ORP Meter Automatic ... Read More

Yieryi Professional 3 in 1 Multi-parameter PH Tester Pen Type pH EC TEMP for Drink Water Specifications: Range: pH: 0.00 ~ 14.00p EC: 0.00 ~ 19990us/cm Temperature: -50 degrees~ 70 degrees (-58 Fahrenheit~ ... Read More

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

Precision PH Indicator PH 5.4-7.0 Test Indicator Paper Litmus Strips 100PCS/BOX High-precision More accurate note: Can not indicate the Acid or alkali solution when its density was lower than 0.01%. Keep dry ... Read More

PH 5.5-9.0 Test Indicator Paper Litmus Strips 100pcs/box Test paper using method: 1. test solution: take a piece of paper on the surface of the dish or glass, to be soaked in liquid glass rod or a dropper to ... 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

Aquarium Water Quality Salt Pool Water Salinity Meter Pen Type Range 0.0% To 10.0% Features: * 0.0 to 10.0% * LCD with indicates both % & temp. * Pen type digital tds meter, all in one, salt electrode included, ... Read More

YIERYI 2 in 1 PH Soil meter / fertility tester with 3 Probes Ideal instrument Gardening tools Features: For outdoor & indoor plants, gardens & grass lawn. Save water, energy and keep your plants, lawn, flower ... Read More

Yieryi ORP-2069 LCD Digital Type Red Pen PH Tester Water Quantity Pool Tester ORP Meter roduct Description: This handy ORP tester measure the amount of Oxidation Reduction Potential (mV) from - 1999~1999mV. It ... Read More