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HI8720 Dual Setpoint - ORP analog Controller with 4 to 20mA
HI8720 Dual Setpoint - ORP analog Controller with 4 to 20mA
THB 28,500.00 * Prices plus VAT plus shipping costs
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Product information "HI8720 Dual Setpoint - ORP analog Controller with 4 to 20mA"

Inputs: BNC connector,  Direct wire connection with amplified probe (supports HI 1006 series probes) and 4-20 mA from a transmitter

  • Selectable manual ON, OFF and automatic dosing control for alkaline, acid and REDOX dosing with indicator
  • Auto-diagnostic test for instrument status troubleshooting
  • Operational mode LED indicators
  • Supports potential matching pin connection
  • Both 4-20 and 0-20 mA output    
  • ±5V outputs for amplified electrodes
  • Backlit LCD
  • Transparent splash-proof cover

 

This instrument allows the selection of a set point for oxidizing or reducing dosage.

When used in conjunction with the HI 8710 pH controller, the ODCD (ORP dosing consent device) function (featured by the HI 8710) will ensure that the ORP dosage will start only when the pH level
is correct.

These instruments have been designed for easy and fast installation and are provided with membrane keypads on the front panel, large display, and autodiagnostic functions.

Each model accepts either a direct input from an ORP electrode or from a transmitter through 4-20 mA input. The instrument also provides ±5V power output and input terminals for amplified electrodes.

Moreover, you can choose the output configuration for connecting a recorder or a PLC, between 0-20 or 4-20 mA.

 

Order Information:
The HI 8720 is supplied complete with mounting brackets and instructions.

Product Manuals
  Manual: Download

Specification :

Range   ±1999 mV
Resolution   1 mV
Accuracy
@ 20 °C
  ±5 mV; ±0.5% (input from transmitter)
Input   high impedance 1012 Ohm; reference and matching pin inputs are available; 4-20 mA
Power Output   ±5 Vcc; 150 mA max load for amplified electrodes
Calibration   offset: ±200 mV with CAL trimmer
Recorder Output   0-20 mA or 4-20 mA (isolated)
Setpoint Relay   1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Setpoint Range   ±1999 mV
Alarm Relay   1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Alarm Range   10 to 300 mV
Dosing Control   OFF/AUTO/ON with selection switch
Over Dosing Control   adjustable, from 5 min to 60 min with knob or disable by wire strap - on rear panel
Backlight   continuous on
Power Supply   115 VAC ±10% or 230 VAC ±10%; 50/60 Hz
Enclosure   flame retardant ABS body and front panel; transparent splash-proof front cover
Environment   -10 to 50°C (14 to 122°F); RH max 95% non-condensing
Panel Cutout   141 x 69 mm (5.6 x 2.7’’)
Weight   1 kg (2.2 lb.)

 

 

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