Features: 1.Model: EC-1 2. Lock mode - Easy to read and record, press HOLD button then remove 3.Display modes: press SHIFT button: TDS - ppm & ¡ãC, EC - ¦Ìs/cm & ¡ãC, TDS - ppm & ¡ãF, EC - ¦Ìs/cm & ¡ãF. 4.Auto Shut Off after 5 minute 5.Used in many household or laboratory applications. 6.Ideal for all water quality testing, water purification applications, waste water regulation, aqua culture,hydroponics, laboratory and scientific testing, pools & spas, ecology, colloidal silver, water treatment and more. Specifications: 1.Conductivity: 0-9990us/cm 2.TDS: 0-9990ppm 3.Degrees Celsius: 0.1-80.0¡æ 4.Accuracy : +/-2% 5.Item size :155 x 30 x 15mm 6.Battery: 1x3 Button Cell battery ( not included) Usage: 1) Please unplug the electrode sleeve before use 2) Press the switch, place the electrode in the test solution and shake it gently. 3) After the numerically stable, press the "HOLD" button and take it out of the solution to read. 4)Turn off the meter, wipe the electrode, put it to store in package box. Switching mode between TDS & Conductivity: The factory default TDS data, if the conductivity data of the solution is needed, please touch the SHIFT button, the instrument automatically shifted. The instrument with automatic temperature compensation in measurement mode. Continuous touch the SHIFT button twice, degrees Celsius and degrees Fahrenheit conversed, default degrees Celsius Note: 1. Avoid heat, direct sunlight. 2.Please adopting standard buffer solution calibration, incorrect calibration would cause measurement error, thus affecting the accuracy of the test solution, or cause the instrument not working properly. 3. Do not thrown the instrument into the test solution to avoid the circuit board short circuit. Package Included: 1 x TDS Meter Tester 1 x Leather case
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