PH Meter for Laboratory Use with Digital Display Digital PH Meter High Precision PH Tester Backlight Display Water Quality Tester for Laboratory Dri<br> Features: Quality Material: Made of quality ABS material, more durable.<br> Backlight Display: Easy to read and does not affect the use in the dark.<br> High Precision: Accurate to 0.1pH, more precise.<br> Easy Operation: More Convenient. Replaceable Electrode: High cost performance.<br> Wide Application: Suitable for the measuring of drinking water, hydroponics, aquarium, swimming pool, laboratory, etc.<br> Specifications:<br> Power Supply: DC 9V (Not Included)<br> Measurement Range: 0.00-14.00pH<br> Resolution: 0.01pH<br> Accuracy: 0.1pH<br> Temperature Compensation: 0-50(32-122)<br> Operating Environment:<br> Temperature: 0-50(32-122)<br> Relative Humidity: Less than 85%<br> Calibration Mode: Manual single-point calibration<br> Material: plastic<br> colour: As shown<br> Package Contents:<br> 1 x Digital PH Meter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.