handy ph meter online manufacture

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

100 Strip Two Color Saliva Slaver For Urine Pregnancy Test Paper PH 4.5 9.0 1 box =100 strip, test range 4.5-9.0 Precision PH test paper use method: test liquid ready, take out a test paper, the 2 color blocks ... Read More

Specifications: 100% Brand New Weight: 75g Size:65*25*23mm Excellent meter, very accurate and durable.With temperature Measuring pH Range: 0~50degree C Automatic temperature compensation range:0~50degree C ... 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

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