Yieryi EC Meter Digital Water PH Meter Filter Automatic calibration Tester for Measuring Features: Test temperature in degrees / Fahrenheit(switchable unit). Use to measure the pH & EC & TEMP of solution. ... Lees meer
Yieryi 3 in 1 TDS EC meter conductivity meter TDS PH tester Water Quality Purity Tester Fetures: Locking function: easy to read and record, the instrument will lock the readings; 5 minutes automatic shutdown ... Lees meer
Yieryi pen-Type ORP meter ORP2069 relectrical digital PH Meter Water Treatment Monitor Specifications: Range -1999~1999mV Resolution 1mV Accuracy ±5mV LCD Display 4 Digits Battery 4 x 1.5V (AG-13) (Not Included... Lees meer
YIERYI Pen-Type ORP/TEMP Meter Water Quality Analyser Thermometer Redox tester Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level and temperature (°C/ °F). Double functions, ... Lees meer
Yieryi TDS EC meter conductivity meter Function 3 in 1 tester water measurement tool Fetures: Saves measurements for convenient reading and recording New Arrival Auto-off function: turns off meter after 5 ... Lees meer
Yieryi Function 3 in 1 TDS EC meter conductivity meter tester pen water measurement tool Please pull off the protective cover of the electrode before use; Press the key and put the electrode into the solution ... Lees meer
Yieryi Function 3 in 1 TDS Tester EC meter conductivity meter water measurement tool Fetures: Saves measurements for convenient reading and recording New Arrival Auto-off function: turns off meter after 5 ... Lees meer
AZ86031 Digital Water Quality Meter Professional multi-parameter water quality testing instrument for dissolved oxygen, pH, conductivity, salinity, and temperature measurements. Key Features Multi-parameter ... Lees meer
YIERYI TDS Meter Water Measurement Tool TDS / EC Tester 0-4999ppm Temperature Tester TDS02 pen can simultaneously detect liquid TDS value, water measuring probe is made of titanium alloy materials, the biggest ... Lees meer