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. ... Leggi di più
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 ... Leggi di più
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... Leggi di più
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, ... Leggi di più
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 ... Leggi di più
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 ... Leggi di più
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 ... Leggi di più
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 ... Leggi di più
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 ... Leggi di più
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 ... Leggi di più