EC TDS Meter 3 in 1 3 Key 0?9999ppm Water Quality Test Pen EC TDS Meter for Drinking Water

Feature: 1. Locking Function: Easy to read and record, the instrument will lock the reading; 5 minutes automatic shutdown function, the battery will not run out. 2. TDS EC Switching: The instrument displays the TDS value when it leaves the factory. If you want to measure the solution EC, please touch the SHIFT key lightly, and the instrument will automatically switch. 3. Automatic Temperature Compensation: The instrument has automatic temperature compensation function in measurement mode. 4. Temperature Switching: Touch the SHIFT key twice in a row to convert between Celsius and Fahrenheit, and the meter defaults to Celsius. 5. Multipurpose: Suitable for swimming pool, aquarium, soilless culture, laboratory, environmental water. Specification: Item Type: EC TDS Meter Material: ABS Measuring Range: EC: 0-20000us/cm TDS: 0-9999ppm Degree Celsius: 0.1-80.0 celsius Fahrenheit: 32.0-176.0 Fahrenheit Accuracy: +/-2percent Battery: CR2032 Button Battery 3V 240mAh (Delivered With Built in Battery) Weight: Approx.68g / 2.4oz. Package List: 1 x Test Pen1 x Protective Case1 x User Manual Note: Keep the electrode clean and cover the electrode protective cover. If it is not used for a long time, please remove the battery