Wide using for aquarium, pool, drinking,spas,hydroponics, food, wine,beer making and more. 1 x PH test pen. Product size: 15cm 3cm 1.7cm. Clean the electrodes. Turn off the switch. Put on the protective cover.
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Non-Contact Voltage Tester 12-1000V AC Voltage Checker Pen Orange Smart Circuit Inspection Tool Electricity Measuring Pen
Aliexpress UK
1 Water quality testing pen. High-capacity battery with energy-saving function, durable and easy to replace, automatic shutdown after 5 minutes of inactivity to save energy. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item.
eBay
PH-6118 Skin PH Acdimeter 2 in 1 Temperature PH Tester Automatic Calibrating PH Meter With Backlight for Meat Fruit Milk Lab
Aliexpress UK
8 In 1 Digital Tester Pen Pool Water Quality Monitor.
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For Accurate PH Testing ORP Tester PH Meter Accuracy Two-point Calibration Accurate PH Calibration Reliable PH Readings
Aliexpress UK
This 3 in 1 Soil PH Tester Water Moisture Light Test Meter Kit is a versatile tool for gardeners looking to ensure their plants have the optimal soil conditions. With measurements for temperature and humidity, as well as a digital display, this portable device provides all the information you need to take care of your garden plants. The pH tester helps you determine the acidity or alkalinity of the soil, while the moisture and light sensors ensure you are aware of your plants' water and light requirements. A must-have for any gardening enthusiast looking to maintain healthy and vibrant flowers.
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digital PH meter ph Meter PH tester SmartSensor AS218 0.00~14.00pH Moisture measuring instrument water PH acidity meter
Aliexpress UK
✔It is suitable for testing the PH balance of drinking water, pool, aquarium, food Specifications. 1 x PH test pen. Colour: Yellow, Blue,Red. Clean the electrodes. Turn off the switch. Put on the protective cover.
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digital PH meter ph Meter PH tester SmartSensor AS218 0.00~14.00pH Moisture measuring instrument water PH acidity meter
Aliexpress UK
Wide using for aquarium, pool, drinking,spas,hydroponics, food, wine,beer making and more. 1 x PH test pen. Product size: 15cm 3cm 1.7cm. Clean the electrodes. Turn off the switch. Put on the protective cover.
eBay
VC1017 AC Voltage Detector Circuit Tester Pen-type Voltage Tester NCV Electrical Pen Tester Line Detection Smart Test Pen
Aliexpress UK
ATC Function:Automatic Temperature Compensation accounts for changes in temperature automatically. Lightweight and easy to carry. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). 1 x PH Tester. the readings are automatically displayed.With 0.01pH.
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Original Xiaomi MiJia EC TDS Meter Tester Detection Portable Water Purity Quality Mi Test Pen TDS-3 Tester
Aliexpress UK
【Easy to Use】Simply insert the probe into the soil about 10cm deep, wait 10 seconds to get an accurate reading. (This tester cannot be used to test liquids. If the soil is too dry, do not insert it into hard soil. ).
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50mW Visual Fault Locator Fiber Optic Tester SC/FC/ST 2.5mm Interface Optical Fiber Pen Style Red Light VFL FTTH Tester Tool
Aliexpress UK