HomeLaboratorypH/Conductivity Meters › Hanna Instruments HI 991003N Extended Range pH Meter [HI-991003N]


Hanna Instruments HI-991003N Extended Range pH Meter [HI-991003N]


The HI-991003N is ideal for plating baths, wastewater, swimming pool and spa water quality and environmental applications. This meter is a portable pH/pH-mV/ORP/temperature meter with our unique Sensor Check feature that allows the user to determine the electrode status at any time.

The HI-1297D pH/ORP/temperature probe features an easy to clean recessed tip that prevents solids in solutions from collecting on the sensor. The stainless steel and titanium body of these probes function as a potential matching pin for increased stability of readings and extended sensor life.

Key Features

  pH Sensor Check; Allows users to check electrode status at any time
  Multi-level LCD display; Display the current measurement simultaneously with the current temperature
  On-screen tutorial messages
  Automatic Temperature Compensation
  Automatic one or two point calibration
  HI 1297 pH/ORP/Temperature and HI 1296 pH/Temperature probe in titanium enclosure
  BEPS; (Battery Error Prevention System)
  Compact, heavy-duty, and water resistant

Supplied With

  HI 1297D pH/ORP probe with internal temperature sensor
  Starter pack of buffer and cleaning solutions
  Batteries and instructions
  Rugged carrying case


HI-991003N Extended Range pH Meter [HI-991003N]

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon