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  1. LED Display Food Salt Salinity PH Tester Pen Soil Salinity Meter Waterproof Dish Soup Salinometer Analyzer

  2. 8 In 1 Digital Tester Pen Pool Water Monitor PH/TDS/TEMP/ORP/EC/S.G/H2/Salinity

    8 In 1 Digital Tester Pen Pool Water Quality Monitor. DIY Electronics Soldering Practice Kit Stylish and Functional Digital Clock. For Bmw Mini R55 R56 R57 One Cooper Fuel Filler Cap Petrol Models 16117222391 UK.

    eBay

  3. 50mW Visual Fault Locator Fiber Optic Tester SC/FC/ST 2.5mm Interface Optical Fiber Pen Style Red Light VFL FTTH Tester Tool

    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

  4. LED Display Food Salt Salinity PH Tester Pen Soil Salinity Meter Waterproof Dish Soup Salinometer Analyzer

  5. PH Meter LCD Digital Electric Tester Pen Drinking Water Hydroponics Test Tool

    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

  6. FTTH 30mW Visual Fault Locator Optical Fiber Cable Testrer Pen Style VFL 2.5mm Interface (SC/FC/ST) VFL Fiber Optic Tester Tool

    FTTH 30mW Visual Fault Locator Optical Fiber Cable Testrer Pen Style VFL 2.5mm Interface (SC/FC/ST) VFL Fiber Optic Tester Tool

    Aliexpress UK

  7. 3 In 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool A

    Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more. TDS: 1-19999ppm. PH: 0.00-14.00pH. PH: 0.01pH. PH: ±0.05pH. PH 6.86point Accuracy: ±0.1pH. TEMP: 0-60.0°C / 32°-140.0°F.

    eBay

  8. ANENG VC1017/VC1018 Electric Sensor Tester Pen AC Voltage Meter Smart NCV Sensor Tester Pen Buzzer Detector For Electric Tools

    ANENG VC1017/VC1018 Electric Sensor Tester Pen AC Voltage Meter Smart NCV Sensor Tester Pen Buzzer Detector For Electric Tools

    Aliexpress UK

  9. Digital Tester TDS EC PPM Meter Water Purity Hydroponics Water Quality Test Pen

    There are 4 modes are: TDS temperature, EC temperature, TDS Fahrenheit, EC Fahrenheit, the lower right corner is the temperature display. Press shift to switch between different modes. TDS test range: 0~9999PPM.

    eBay

  10. Diamond Combo Tester Hardness Testers II Diamond Tester Pen Professional Moissanite Tester Low Conductivity Moissanite Tester

    Diamond Combo Tester Hardness Testers II Diamond Tester Pen Professional Moissanite Tester Low Conductivity Moissanite Tester

    Aliexpress UK

  11. Digital Electric PH Meter LCD Tester Hydroponics Aquarium Water Pocket Test Pen

    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

  12. Professional Soil PH Meter 8 in 1 Soil PH EC Fertility Salt Tester Monitor Smart Bluetooth Light Air Humidity Detector for Plant

    Professional Soil PH Meter 8 in 1 Soil PH EC Fertility Salt Tester Monitor Smart Bluetooth Light Air Humidity Detector for Plant

    Aliexpress UK

  13. PH Meter LCD Digital Electric Tester Pen Water Test Kit For Hydroponics Aquarium

    Can be used for: water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools and spas, aquariums, hydroponics. TDS&EC Tester. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C).

    eBay

  14. Digital Chlorine Meter PH Tester 7 In 1 SALT/ ORP/ TDS/EC/TEMP Tester CL Water Quality Analyzer for Swimming Pool Hot Spring

    Digital Chlorine Meter PH Tester 7 In 1 SALT/ ORP/ TDS/EC/TEMP Tester CL Water Quality Analyzer for Swimming Pool Hot Spring

    Aliexpress UK

  15. PH Meter LCD Digital Electric Tester Pen Water Hydroponics Test Kit Aquarium

    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.

    eBay

  16. New 3 IN 1 PH Meter Water Quality Tester PH/TDS/TEMP Digital LCD EZ 9901 Monitor Tester For Pools , Drinking Water ,Aquariums

    New 3 IN 1 PH Meter Water Quality Tester PH/TDS/TEMP Digital LCD EZ 9901 Monitor Tester For Pools , Drinking Water ,Aquariums

    Aliexpress UK

  17. Digital Electric PH Meter LCD Tester Pen Water Hydroponics Test Aquarium Kit

    Test acidity and alkalinity within the pH range of 0-14. If the tested pH value is between 0-7, it is acidic; if the tested pH value shows 7, it is neutral; if the tested pH value is between 7-14, it is alkaline.

    eBay

  18. 2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester

    2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester

    Aliexpress UK

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