With its dual functionality and easy-to-read large display, whether you're hanging it up or using it tabletop, you'll appreciate the blend of accuracy and convenience.
eBay
2‘’52mm Oil pressure Gauge Water Level Fuel Level Meter Water Temp Oil Temperature Meter Voltmeter For Car Marine Boat 12V 24V
Aliexpress UK
An electro-tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources. PH CL2 Chlorine Tester. 1 x pH and Cl2 Tester with Probe.
eBay
DN10 Water Flow Sensor Flowmeter 0.5-10L/min Fluidmeter Water Flowmeter Counter Fluidmeter Easy Installation M4YD
Aliexpress UK
PH: 3-9, Accuracy: ± 0.2. Temperature: -10C~90 ° C (14F~194F), Accuracy:± 1%. LCD backlight assisted lighting for easy reading;. Large LCD screen with multiple display；.
eBay
EU/US Digital Water Flow Meter With HD LCD Display IPX6 Real-time View Electronic Flow Recorder Water Meter For Gardening Lawn
Aliexpress UK
Pair of New PH Meter Testers, each with 2xpH Buffer Solution Powder sachets for calibration. Each with instructions and box. Measure range 0.00-14.00pH Resolution 0.01pH Accuracy +/-0.01pH Power supply 2x1.5V LR44 button cell Operating temperature 0-60C Calibration two points automatic calibration
eBay
Digital Water Quality Tester TDS EC Meter Range 0-9990 Multifunctional Water Purity Temperature Meter TEMP PPM Tester
Aliexpress UK
Save power, extend battery life. PH tester 4 Display modes: press SHIFT button: TDS - ppm & °C, EC - μs/cm & °C, TDS - ppm & °F, EC - μs/cm & °F. Users can use it directly. Total concealed fit in your bag or pocket for easy, casual carrying.
eBay
DN40 DN50 Water Flow Sensor Hall Flowmeter Meter Counter Instrument Measurement for Automatic Gas Water Heaters
Aliexpress UK
Seawater PH is 7.9 to 8.5. Normal urine PH is 5.5 to 5.7. The total pH scale ranges from 1-14, with 7 considered to be neutral. A pH ＜ 7 is said to be acidic and solutions with a pH ＞7 are basic or alkaline.
eBay
50m well depth ruler cable water level meter water level meter for River
Aliexpress UK
Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. TDS water quality testing pen 1.
eBay
52mm Auto Water Temperature Meter 40-150 Celsius Water Temp Blue Light Car gauge with Warning Alarm Sensor Car Motor Meter 12V
Aliexpress UK
Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. TDS water quality testing pen 1.
eBay
TDS Meter Tester 0-9999 PPM Water Meter Quality Testing Pen TEMP/PPM Portable Water Purity Filter Measuring Tools
Aliexpress UK