PH test range: 0.01-14.00pH. Resolution: 0.01pH Accuracy: ±0.05pH. It is a waterproof water quality test pen with five functions. If it exceeds the limit, it is necessary to tighten the pen sleeve, otherwise the rubber ring is also not waterproof, and it will be broken if water enters.
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PH Meter Digital Water Quality Tester 0-14 PH Meter Tester LED Water Purity Aquarium Filter Multi-function
Aliexpress UK
Resolution: pH 0.01PH, Temperature 0.1°C (0.2°F). Accuracy: ±0.1pH, Temperature ±1.0°C. Range: pH 0.00-14.00, Temperature 0℃-50℃ (32°F-122°F). All readings go through automatic temperature compensation (ATC).
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2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester
Aliexpress UK
Soil that is too acid or too alkaline is an important factor limiting crop yield and quality. Therefore, it is very important to understand the pH of the soil. Fast and accurate: The test range of soil pH test paper is 0-14.
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HM DM3 Online Dual TDS EC Meter TDS EC Water Quality Tester HD LCD Display Dual Probe Drinking Water Pool Aquarium PH Meter
Aliexpress UK
PH: pH range 0-14, acidic if tested between 0-7, neutral if tested at 7, alkaline if tested between 7-14. Applications: pure water, electroplating solution, boiler water, fish tank water, swimming pool water, photographic rinsing solution, well water, deep diving, laboratory, aquaculture, food processing and other production and drinking.
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15pcs/lot 4.01 6.86 9.18 PH Meter Calibration Point PH Buffer Powder Measure Calibration Solution For PH Test Meter
Aliexpress UK
First rinse the electrode with distilled water and suck it with filter paper. Total concealed fit in your bag or pocket for easy, casual carrying. Users can use it directly. If the data is about 6.86 or the deviation is relatively small, no correction is required; if the value deviates from 6.86 relatively large, press and hold the CAL button for three seconds, let go after the screen flashes, and the automatic correction is in progress.
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PH Meter Calibration Point PH Buffer 12.88 MS/cm Conductivity Salinity Calibration Solution 25Ml Buffering For PH Test Meter
Aliexpress UK
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3/15pcs/lot 4.01 6.86 9.18 PH Meter Calibration Point PH Buffer Powder Measure Calibration Solution For PH Test Meter
Aliexpress UK
【5 in 1 Function】This is a water test kit with Ph meter, TDS meter, and EC salinity temperature test function. The backlit LCD display makes it easy to read the displayed values 【Easy to Use】Press the power button to turn on. Tap "HOLD" to lock the value, long press "HOLD" to switch the temperature unit. Tap "MODE" to switch between different functions. 【Absolute precision】PH resolution is 0.01pH, accuracy ±0.05pH. TDS meter resolution 1ppm 0.1ppt, accuracy ±2%. Conductivity resolution 1uS/cm 0.1mS/CM, accuracy ±2%. Thermometer resolution 0.1℃/℉, accuracy ±0.5℃. Salinity resolution 0.01%, accuracy 0.01-5.00%(±0.1%) 5.10-25.00%(±1%) .
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Water Quality Tester HM COM-300 EC TDS PH 4 in 1 Meter PH-200 PH Meter Waterproof ORP Tester With ATC Calibration And Data Hold
Aliexpress UK
this is unused but I have had it in storage for 2 years so bear that on mind. it comes with the ph testing solutions. no battery included
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4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester for Pools Drinking Water Aquariums
Aliexpress UK