Hanna Waterproof Portable pH/ORP/Temperature Meter with Sensor Check HI991003 Sale
Specification Sheets
Operation Manual
Hanna Waterproof Portable pH/ORP/Temperature Meter with Sensor Check #HI991003  $552

Designed to bring simplicity to pH testing, the HI991003 pH/ORP Meter is designed specifically for use in manufacturing and environmental testing protocols. The specialized probe features a titanium body, integrated temperature sensor, and cloth junction.


  • ±0.02 pH accuracy; ±1 mV ORP accuracy
  • Comes with all the necessary solutions and batteries- everything you need to get started measuring right away.
  • Specialized for direct pH and ORP measurement.