Hanna Instruments HI98127 Grochek LCD pHep 4 Waterproof PH Temperature Meter

Waterproof ph Tester for Water: Designed to float if accidentally dropped in a tank Expanded pH Range: pH range is from -2.0 to 16.0 pH. Automatic Temperature Compensation: All readings are compensated for variations in temperature, displayed in °C or °F along with pH reading Stability indicator: Meter displays a clock tag that will disappear when the reading has achieved stability. Hold button: Freezes reading on the display to allow recording of measurement BEPS (Battery Error Prevention System): Meter will automatically shut off if there is not enough power to get an accurate measurement Auto-off: Meter automatically shuts off after 8 minutes of non-use to maximize battery life