pocket ph meter online manufacture

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

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

Feature: [4-in-1 water quality test] YIERYI PH meter is designed with 4-in-1 function, which can be measured PH, ORP, H2, and Temperature simultaneously with high precision. Omni-directional measurement of ... Read More

Yieryi High accuracy aquarium digital pH meter/ORP meter with Temperature Want to know whether the pH / Temperature / ORP of water you drink is up to the standard? If so, this pen-type 3-in-1 pH/ORP/TEMP meter ... Read More

Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring Yieryi digital LCD TDS Meter Water Quality PH TDS Tester for Aquarium Pool Water quality TDS-1 Water Quality Meter TDS1- ... Read More

Yieryi LCD Digital TDS 3 Meter Filter Pen Temp PPM Tester 0-9999 PPM Set Filter Purity Fetures: Voltage:CR2032 Battery, DC3V Measure range:TDS 0 ~ 9990 ppm Temperature ( C&F ):0 ~ 99C, 32 ~ 212 F Accuracy:TDS: ... Read More

Portable Dissolved Hydrogen Meter Digital H2 pH Orp Tester For Driking Water Feature : Test the PH/ORP/H2 and temperature(/) of water. Pocket size, lightweight, and portable with backlight & large LCD display ... Read More

YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter TDS is a portable device for measuring the amount of total dissolved solids (TDS) solution, the measurement range of 0 ~ ... Read More

YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with 2% full scale ... Read More

YIERYI TDS Meter tester Pocket Aquarium Pool TDS pen Water Monitor Measurement Tools The value of TDS represents the total content of water soluble substances, such as calcium and magnesium ions and some trace ... Read More