HM DIGITAL PH Meter PH-200 Waterproof Handheld Portable Water Quality Tester Pen With ATC for Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment Drinking Water

Measures pH and Temperature.
Auto-ranging three point calibration with digital fine tuning.
Includes 4 pH buffer solution in a sponge embedded in a clear cap.
Waterproof housing.
Simultaneous temperature display.
Measurement Range: 0-14 pH.
Digital automatic calibration (one point), with digital fine tuning.
Auto-off function, data-hold function and low-battery indicator.
Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
Calibration:The PH-200 meter is three-point factory calibrated to 4, 7, and 10 pH.
The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
Includes a cap, lanyard, and pH 7.0 buffer.
pH Range: 0 - 14.
Temperature Range: 0-80 °C ; 32-176 °F.
Resolution: 0.01 pH; Temperature resolution is 0.1°C /°F.
Accuracy: +/- 0.02 pH.
Calibration: Digital automatic calibration (one point) with digital fine tuning.
Electrode: Replaceable glass sensor and reference tube electrodes.
Power source: 2 x 1.5V AAA Alkaline (include batteries)
Housing: Waterproof (submersible; floats).