YIERYI ORP/TEMP Meter Thermometer Redox ORP tester aquarium Water Quality Analysis Steps: 1. Remove the protective cover. 2. Touch the "ON / OFF" switch to turn on the power. 3. The electrode into the measured ... Read More
YIERYI Digital Pen-type tester ORP-969 Pen-Type ORP Meter VOxidation Reduction Analyzer Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level. The tendency of the solution to either ... 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
7 in 1 Temp ORP EC TDS Salinity S.G PH Meter Online Blue Tooth Water Quality Tester APP Control for Drinking Laboratory Aquarium Feature: pH Meter with Bluetooth Powered by the YINMIK mobile App, professional ... Read More
Manufacturer price waterproof ATC pH/H2 / ORP /Temperature 4 in1 Meter 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 ... Read More
YIERYI LED Pen-Type Digital ORP Meter ORP-969 electronic redox Tester Water Quality Analysis Specifications Range -1999mV ~ 1999mV Resolution 1mV Accuracy 5mV Operating Temperature 0degrees ~ 50degrees (32F ~ ... Read More