LCD Digital Water Quality Tester, 3 in 1 Water Tester with TDS, EC and Temperature Meter Water Tester Device with LED Display for Drinking Water, Aquarium, Swimming Pools, Hydropon

• Auto-off & Auto-lock Function: turn off meter after 5 minutes of non-use to conserve battery, the LCD screen can save measurements.
• Available to shift between TDS and Conductivity by clicking SHIFT button, continuously click twice of SHIFT button, shift between Celsius Temperature and Fahrenheit.
• Automatic temperature compensation function when the meter under measuring mode.
• Powered by 1 pc 3V CR2032 battery (not included ), that can continuously work about 1000 hours.
• 3-in-1 Water Quality Tester: TDS meter, EC meter and Temperature meter. You can use the mini water quality pen to test water used for drinking, hydroponics or to fill your aquarium.

Description Specifications: Type: Portable Water Quality Tester Accuracy: ±2% Test Item: TDS, EC, Temperature TDS: 0~9990PPm EC: 0~9990μs/cm Temperature Measuring Range: 0.1~80.0℃ Fahrenheit: 32.0~176.0℉ Power: CR2032 Battery (3V) X 1 (Not included) Size: Approx. 3cm x 15.5cm x 1.4cm / 1.1" x 6.1" x 0.5" Package Weight: About 60g EC Value just for Reference Drinking Pure Water: EC=1~10 μs/cm Drinking Water: EC≤2000 μs/cm Polluted Water: EC>2000 μs/cm TDS Range & Standard just for Reference 0~49 Ideal Drinking Water 50~99 Mineral Water 100~199 Hard Water 200~399 Reluctantly Acceptable Water 400~499 Bad Water ≥ 500 Polluted Water Specified by U.S. EPA Package Included: 1 X Water Quality Tester (without battery) 1 X User Manual 1 X Free Leather Bag Note: 1. Keep the electrode clean, cover the electrode protective sleeve, please take out the battery for long periods idle. 4. Above "value range for reference" is just for your reference, depends on different demands the reference value may be different for people in different countries or areas. 5. Please read user manual carefully before use.