Hanna Instruments HI991003 Waterproof Portable pH/pH-mV/ORP/Temperature Meter with Sensor Check™

The HI991003 is a small, waterproof, handheld pH/pH-mV/ORP/temperature meter that comes with everything it needs, including a durable carrying case and a special titanium pH/ORP electrode with an integrated temperature sensor. This meter has our special Sensor CheckTM feature, which enables the user to check the status of the electrodes at any time. The meter has a sizable, dual-level LCD display that makes it simple to see the status indications, temperature, pH, pH-mV, and ORP values. The meter’s controls are reduced to two buttons. The HI991003 has a battery life of 1400 hours, which is exceptionally lengthy.

  • Automatic Temperature Compensation
  • Automatic Two-Point Calibration
  • Waterproof