Hanna Instruments-22111-2 Industrial Grade ORP Digital Controller

Hanna InstrumentsSKU: HI-22111-2
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Description

The Hanna Instruments-22 controllers have been engineered with the same outstanding quality and features as the Hanna Instruments-21 meters. The microprocessor memory is fully programmable and has a 3-month backup power supply. The Fail Safe Alarm system protects these meters against the pitfall of process control.

Industrial grade ORP digital controller


The HI 22111-02 controller has been engineered with outstanding quality and features.


The Fail Safe Alarm System protects this meter against the pitfall of process control, like power interruption or line failure. User selectable timing capability safeguards against overdosing and saves money while protecting the environment. RS485 capability makes this model PC compatible. The microprocessor memory is fully programmable and has a 3-month backup power supply.


The HI 22111-02 haS a differential input, extending electrode life by eliminating ground loop current through the reference. Users can choose between ON/OFF and proportional control as well as selectable current and voltage outputs. For more flexibility and better resolution for chart recorders, choose any two points between 0 and ±2000 mV to correspond to the analogue output spans.



Key features



  • Fully customisable

  • RS485 interface

  • Differential input for ground loop protection

  • Automatic two point ORP calibration

  • Last calibration data

  • Password protection

  • Fail Safe Alarm System

  • Overdosing safeguard



Order information



  • HI 22111-2: single setpoint, on/off controls, analog output, 230V


This meter comes supplied with instructions.

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