Multifunctional: Professional PH, ORP, EC, total dissolved solids, SALT, S.G, TEMP 7 in 1. pH supports 6.86, 4.01, 9.18, 7.00, 4.00, and 10.00. Range: pH: 0.00-14.00pH, ORP: -2000mv-2000mv, EC: 0-19900us/cm, 0-199.0 ms/cm, Total Dissolved Solids: 0-19900ppm, 0-199.0ppt, SALT: 0-199.0ppt, 0%-20%, S.G: 0.990-1.400.
eBay
SPA Swimming Pool Water Tester Paper Hardness Tool50pcs Multipurpose 5 in 1 Chlorine PH Test Strips
Aliexpress UK
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
3 in 1 Soil Tester Portable Soil Moisture PH Meter Humidity Light Detector Plant Flower Acdity Analyzer with Mini Garden Tool
Aliexpress UK
Push the button to PH, PH is the pH button. The corresponding table is 8-3.5 value, ALKALINE is alkali, ACDIC is acid. The value 7 is basically neutral, the smaller the number, the higher the acidity.
eBay
PH Meter Aquarium Pocket Pen 0.01 High Precision for Water Quality Tester 0-14PH Measurement Range for Aquarium Swimming Pool
Aliexpress UK
Suitable for household drinking water, hydroponics, lab, aquarium. It can be used as a classic tester even if it is not connected to a smartphone. TDS: 0-19900ppm, 0-199.0ppt. EC、TDS、CF: ±2% F.S. TDS: 1ppm (＜1999ppm), 10ppm (＞1999ppm), 0.1ppt.
eBay
Good 6 in 1 Soil PH Meter Sunlight Ambient Humidity Temp Soil Moisture Tester Nutrient Fertility Detector Garden Soli Analyzer
Aliexpress UK
This digital pH meter features portable design, simple operation and high precision, can detect the pH value of liquids anytime, anywhere, widely used for aquarium, brewing, pool, cosmetic, aquaculture, drinking water, food, industrial wastewater, laboratory and other areas. Specification: Measure range: 0.00- 14.00PHAccuracy: 0.01 PHResolution: 0.01pHPackage: 1*pH meter, 2*calibration solution (pH4.01, pH6.86), 2*1.5V LR44 batteries(including, installed),1*User Manual (English). Two-point Automatic Calibration 1. Prepare calibration solution Dissolve each buffer solution in 250 ml of distilled water 2. pH 6.86 calibration Immerse the electrode into the pH 6.86 solution.(under 25 C). Press the "CAL" button for 3 seconds and releaseDisplay will start flashing 6.86Wait until the display stops flashing. 3.
eBay
6-in-1 Soil PH Meter Fertility Temperature Humidity Light Tester 90° Rotatable LCD Backlight Soil Hygrometer for Garden Plant
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). the readings are automatically displayed.With 0.01pH.
eBay
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter for Pools Aquariums Water Backlight Quality Detector
Aliexpress UK
It is used to routinely monitor the pH value and chlorine level of swimming pools, SPAs and various water sources. 1 x Sandpaper. Item Type: PH Water Quality Tester. 1 x PH Water Quality Tester (Battery Not Included).
eBay
Digital Water Quality Tester, Salinity DO TDS PH Temp Meter
Aliexpress UK
Water pH, EC, and TDS Tester for Hydroponics, Drinking Water, Pool & Aquarium. Multi-functional pH pen suitable for various applications including planting water, swimming pools, drinking water, tap water, well water, and more.
eBay
Yieryi Digital PH Meter ATC PH Soil Fruit Test Pen 0-14 PH Analyzer Aquarium Swimming Pool Water Quality Analysis Instruments
Aliexpress UK