TDS Range : 0-19990ppm, 0-199.0ppt. TDS: 1ppm (＜1000ppm), 10ppm (＞1000ppm), 0.1ppt. TDS Resolution : 1ppm (＜1000ppm), 10ppm (＞1000ppm), 0.1ppt. TDS: 0-19990ppm, 0-199.0ppt. Aquarium Fish Tank Powerhead Wave Maker Filter Oxygen Circulation Water Pump UK.
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High Performances DN20 Water Flow Brass Water Flow Switchs 1.5-50L/min Water Flows Control Liquid Flowmeter A0KF
Aliexpress UK
8 In 1 Digital Tester Pen Pool Water Quality Monitor. RGB LED Cube Northern Lights Water Wave USB Night Light Atmosphere Lamp w/Remote. FOR ANY CAR 17mm BLACK GLOSS ALLOY WHEEL NUT BOLT COVERS CAP UNIVERSAL SET 20PCS.
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Set of 5 Water Leak Alarm for Smart Water Leak Sensor with 1 Meter Cable Water Leak Detector for Home Bathroom Kitchen S
Aliexpress UK
PH Value: 0.00-14.00PH. Item Type: Water Quality Tester. pH value: 0.01PH. pH value: ±0.1PH. 1 x Water Quality Tester (Battery Not Included). Suitable for water sources, aquarium, hydroponics, hot springs, swimming pools and other water systems.
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AD 12V/24V Car Water Temperature Gauge + Voltmeter Car Motors Water Temp Voltage 2in1 Meter Digital With Water Temp Sensor
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. PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.
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ME201W Smartlife Tuya App Ultrasound Check Water Usage Meter Wifi Remote Digital Water Controller Water Tank Sensor
Aliexpress UK
KKnoon Portable Digital pH Meter Pen/Water Tester – New other. Accurate 0.00–14.00 pH with ±0.05 precision built-in temperature readout & ATC backlight data hold replaceable probe IP65 waterproof. Ideal for aquarium drinking water hydroponics. Factory calibrated; recalibrate as needed.
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Portable Water Well Level Gauge Borehole Level Sensor Water Depth Gauge Water Level Meter 15m 30m 50m 100m
Aliexpress UK
Ideal for all water purification applications, wastewater regulation, aquaculture and hydroponics. 1 x PH Test Pen. Advanced microprocessor technology allows you test the water. Portable unit - includes a carrying case with belt clip.
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Liquid Meter LZM-15T 0.1-0.5GPM Knob Panel Type Liquid Flowmeter Meter Measurement ZG1/4" Liquid Flowmeter Flowmeter
Aliexpress UK
Wider screen display allows you to view pH and temperature values simultaneously.
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Digital Fuel Meter Fuel Meter Mini Digital Turbine Flowmeter Fuel Meter 10‑90L/min 1" BSPT Turbine Flowmeter
Aliexpress UK
Do you want to know whether the pH value of water you drink is up to the standard?. Featuring the automatic temperature compensation which will automatically compensate the solution temperature of 0～70℃, it can provide you the accurate and stable reading.
eBay
GVDA Digital Sound Level Meter Audio Level Meter Sonometro Sound Meter Decibelimetro 30-130dB Decibel Meter Portable Noise Meter
Aliexpress UK