YIERYI Range:0~1999mg/LmV Digital Handheld ORP Tester ORP Meter ORP-B Water Hydroponics Specifications: Pen type ORP Tester|ORP Meter|ORP Pen Range: 0~±1999mg/LmV Resolution: 1mV Accuracy : ±5 mV Batteries :4 x ... Lire la suite
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 (32°F ~ ... Lire la suite
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 ... Lire la suite
Yieryi ORP-2069 LCD Digital Type Red Pen PH Tester Water Quantity Pool Tester ORP Meter Application of ORP Industrial wastewater treatment A redox system used in water treatment, mainly the reduction of chromic ... Lire la suite
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... Lire la suite
Smart Handheld 6-in-1 Dissolved Oxygen/PH/TDS/EC/SALT/TEMP Water Quality Analyzer Operating System iOS 7.0 or later, Android 4.3 or later Tester Automatic Calibration pH Tester Capacity 1500ml (57oz) Probe ... Lire la suite
6-in-1 Digital Water Quality Meter pH/EC/TDS/ORP/Salt/Temperature Drinking Water Tester Product Overview Unlock the full potential of your water quality management with this advanced 6-in-1 digital tester ... Lire la suite
Yieryi home Soil PH meter 3 in 1 Water Moisture Tester Sunlight Temperature Tester Specifications Material Plastics and stainless metal Moist readings range 0DRY-10WE Light readings range 0DARK-2000LIGH PH ... Lire la suite