Press the shift key to switch between different modes. 1 X 3-in-1 Water Quality Tester. Wipe the electrode clean and insert it into the electrode protection sleeve. Size: 15.5cm X 3cm X 1.5cm. ③ After the value stabilizes, press the HOLD key and take out the reading.
eBay
Digital Water Quality Tester TDS EC Meter Range 0-9990 Multifunctional Water Purity Temperature Meter TEMP PPM Tester
Aliexpress UK
This unit is not water-tight and is not covered under the warranty if water enters the unit. This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics.
eBay
Digital Water Quality Tester TDS EC Meter Range 0-9990 Multifunctional Water Purity Temperature Meter TEMP PPM Tester
Aliexpress UK
Press the shift key to switch between different modes. 1-20PCS 3-in-1 Water Quality Tester (Need to choose). Size: 15.5cm X 3cm X 1.5cm. ③ After the value stabilizes, press the HOLD key and take out the reading.
eBay
Digital Water Quality Tester TDS EC Meter Range 0-9990 Multifunctional Water Purity Temperature Meter TEMP PPM Tester
Aliexpress UK
Press shift to switch between different modes. Each startup mode is the default mode used before shutdown. 3.5 minutes automatic shutdown. Save power and extend battery life. Accuracy: ± 2%.
eBay
TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter
Aliexpress UK
Press shift to switch between different modes. 1 TDS EC (Battery Included.). Each startup mode is the default mode used before shutdown. 3.5 minutes automatic shutdown. Save power and extend battery life.
eBay
2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester
Aliexpress UK
It is a must-have item for family to test tap water, distilled water, bottled water and more. Multifunctional, practical and convenient. TDS range: 0-9990PPM. Conductivity range: 0-9990us/cm. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
3 in1 Handheld LED Digital Water Quality Tester TDS EC Meter Range Household Water Purity Temperature Meter TEMP PPM Tester
Aliexpress UK
Press shift to switch between different modes. 3.5 minutes automatic shutdown. Save power and extend battery life. Temperature range: 0.1-80.0℃(32.0-176.0℉).
eBay
TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter
Aliexpress UK
Press shift to switch between different modes. 3.5 minutes automatic shutdown. Save power and extend battery life. Temperature range: 0.1-80.0℃(32.0-176.0℉).
eBay
2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester
Aliexpress UK