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SKU HI23211-2 Kategorija

Wall Mounted Digital Conductivity Controller - HI23211-2

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HI2321 is a wall mounted, microprocessor conductivity controller specifically designed to meet your process control requirements. This controller provides very accurate measurements due to the four-ring EC probe and Automatic Temperature Compensation (ATC) feature.

  • Fail Safe Alarm System.
  • CAL Check™ alerts users of calibration status.
  • Four-ring method provides an exceptionally stable measurement over a wider range.

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Wall Mounted Digital Conductivity Controller

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.

Isolated Recorder Output

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

Good Laboratory Practices (GLP)

The GLP feature allows users to store and recall data about system status for ultimate traceability.

Simple Installation

HI22111 has mounting holes molded into the housing to assure simple, quick and secure installation without the need for additional hardware.

Quality Construction

Housed in a rugged, modular, fiber-reinforced polypropylene housing that will resist the harmful effects of most chemicals.

Password Protection

The Hanna password protection feature keeps these controllers safe from tampering. Only users with the proper password can change the settings of these controllers.


Specification NameDetail
EC Range0.0 to 199.9 µS/cm, 0 to 1999 µS/cm
0.00 to 19.99 mS/cm, 0.0 to 199.9 mS/cm
EC Resolution0.1 µS/cm, 1 µS/cm, 0.01 mS/cm, 0.1 mS/cm
EC Accuracy (@20°C/68°F)±0.5 % full scale (EC and TDS)
Temperature Range-10.0 to 100.0 °C
Temperature Resolution0.1 °C
Temperature Accuracy (@20°C/68°F)±0.5°C between 0 to 70°C, ±1°C outside
Typical EMC Deviation±2 % full scale (EC and TDS) / ±0.5 °C
Installation CategoryII
Temperature CompensationAutomatic or manual, -10 to 100°C
Compensation with β adjustable from 0.00 to 10.00%/°C
Analog Input4 to 20 mA (isolated)
Analog Output0-10 Vdc, 0-5 Vdc or 1-5 Vdc; 0-1mA, 0-20 mA or 4-20mA
Baud Rate1200, 2400, 4800 and 9600
Probe4-ring conductivity probe with built-in 3-wire Pt100 temperature sensor or conductivity probe + external Pt100
Power Supply230 ±10% VAC or 115 ±10% VAC, 50/60 Hz
Power Consumption15 VA
Over Current Protection400 mA 250 V fast fuse
Relays 1, 2Contact outputs SPDT, 5A-250 VAC, 5A-30 VDC (resistive load)
Alarm RelayFuse protected: 5A, 250V fuse
Environment0-50 °C; RH max 85% non-condensing
Enclosure/ Case MaterialFiber-reinforced, self-extinguishing ABS
Dimensions221 x 181 x 86 mm (8.7 x 7.1 x 3.4”)
Weight1.6 kg (3.5 lb.)

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