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• Handheld TDS Water Test Pen Digital Water Tester Water Quality Analysis Meter Water Purity Check Measurement PH Meters Description: Measurement range: 0-9990ppm Error: 2%-3% Voltage: 3V(4 button batteries) Size: 25*14*134mm Weight: 40g Specifications: 1 energy intake wise chip: larger accuracy, more correct detection and more steady high quality 2 Carry the mini figure with you: check the purity of water high quality anytime, anywhere, anytime 3 Titanium alloy probe: extra correct test, higher sensitivity, more potent sensitivity, more accurate verify four seconds quick measurement: speedy and accurate, easy to function and verify on the boot Automatic shutdown in 5 minutes: when the instrument is automatically close down in five mins with none operation, the provider life of the battery is prolonged 6 Key lock clever memory: press HOLD to fasten the after the worth is secure Package Included: 1 * Water Quality Inspection Pen

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