Hanna Instruments-99111 measures pH from -2.00 to 16.00 and temperature from -5.0 to 105.0°C. Automatic calibration is performed at one or two points with two sets of buffers and all readings are automatically temperature compensated. Indicators for stability, battery percentage, and calibration instructions are viewed on the primary display. The Hanna Instruments-99111 uses three 1.5V AAA batteries for an exceptional battery life of 1200 hours of continuous use.
- Clogging Prevention System (CPS™)
- Automatic Temperature Compensation (ATC)
- Two-point calibration
- Battery Error Prevention System (BEPS) - alerts the user of low battery power that could adversely affect readings
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