Hanna Instruments Canada
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Contact Hanna: (800) 842-6629
Hanna Instruments Canada
Customer Support: (800) 842-6629

Panel-mounted ORP Digital Controller - mV600-single setpoint, on/off control, single analog output

The mV600 controllers have been engineered with a number of outstanding features to meet all of your process control needs. mV600 offer a multitude of possibilities from ON/OFF or proportional dosage to analog recorder output and alarm. A host of self-testing features and user-friendly functions make mV600 a great value.

  • Accurate, reliable and simple to install.
  • Fully programmable microprocessor memory.
  • Wiring the controllers is simple with extractable terminal modules


The product is a real time microprocessor-based ORPcontroller. It provides accurate measurements, flexible ON/OFF or proportional control capabilities.

mV600 Series ORP Controller’s FEATURES/BENEFITS:


  • Large LCD with 4 ½ 17 mm digits and 3 ½ 10 mm digits.

Fail Safe Alarm System

  • Hanna’s exclusive Fail Safe Alarm System protects against problems caused by power supply failure or signal interruption, which are typical risks in industrial environments. An alarm condition is indicated by a red LED, located directly on the front panel of the controller.

Differential Input

  • In a system with poor grounding, it is possible to have a ground current flowing through the reference junction. This can cause a rapid degradation of the electrode. The Hanna differential input reduces the likelihood of ground loops.

Proportional Control

  • Slows the pump down when the measured ORP level approaches the set value, which ensures precise dosage and avoids costly waste of chemicals due to overdosage.

Analog Output

  • To enhance troubleshooting and the ability to record data while monitoring, simply attach a recording device to the instrument’s 4 to 20 mA output contacts, conveniently located on the front panel, to obtain a hard copy of the results on demand.

PC Connectivity

  • RS232C port allows for connection to a PC. Data transmission from the instrument to the PC is possible with the HI 92500 Windows® compatible application software offered by Hanna Instruments.

Custom Programs

  • Hi-tech microprocessor puts a host of variables at your disposal to fine tune your process, save on chemicals and meet regulatory requirements.

Good Laboratory Practice (GLP)

  • calibration date andtime and the mV calibration points used


  • 1 or 2 output relays for low conductivity or highconductivity dosage (COM, NO and NC contacts) and 1output relay for alarm condition (COM, NO and NC con-tacts)


  • Automatic 1 or 2 points at 0, 350 and 1900 mV.


  • ORP electrode with BNC connector.

Additional information

Weight 1 kg


Temperature Accuracy


Temperature Range

-9.9 to 120°C


SKU mV600111-2
Name Panel-mounted ORP Digital Controller – mV600-single setpoint, on/off control, single analog output
mV Range ±2000 mV
mV Resolution 1 mV
mV Accuracy ±2 mV
mV (ORP) Calibration automatic, two point, at 0 and 350 or 1900 mV
Temperature Range -9.9 to 120°C
Temperature Resolution 0.1°C
Temperature Accuracy ±0.5°C
Analog Ouput Signal galvanically isolated: 0-1 mA, 0-20 mA and 4-20 mA, 0-5 VDC, 1-5 VDC and 0-10 VDC
Digital Output Signal RS232 bi-directional optoisolated
Power Consumption 15 VA
Over Current Protection 5A, 250V fast fuse
Max. Oscillation Frequency 4 MHz
Panel Cutout 140 x 140 mm
Power Supply 230 ±10% VAC , 50/60 Hz
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 144 x 144 x 170 mm
Weight 1.6 kg (3.5 lb.)

Ordering Info

Each mV 600 model is supplied complete with mounting brackets and instructions.


Panel-mounted ORP Digital Controller – mV600-single setpoint, on/off control, single analog output