Hach Pocket Pro and Pro+ are engineered to deliver accurate results. Calibration functions for ongoing testing, diagnostics with select models and a stabilized sample lock ensure you get the right reading. You also get replaceable batteries for convenient field use, and a large, easy-to-read LCD screen.

Confidence in results; to maximize accuracy all testers are factory calibrated, select models offer user-calibration, and pH models have performance diagnostics.

Selectable Temp (°C or °F). Auto-Off. Reading Hold. Waterproof (IP67 and floats). Quick-Release Lanyard (included). Transparent Sensor Cap. No Calibration, Auto-Buffer Recognition, or ATC .

Save time and money; easy-to-replace AAA batteries and convenient sample cup save time on maintenance and measurements. Ease of use; intuitive user interface guides users through the calibration and measurement process with a large, easy-to-read LCD screen.