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Home > Mini Panel Mounted Controllers > Mini Panel Mounted Controllers

BL 932700

ORP Mini Controller
with 4-20 mA Recorder Output


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  • Easy to handle
  • Fire retardant casing
  • Selectable overdose protection system
  • Splash resistant cover

 

The BL 932700 is an ORP mini controller that has been designed for easy, affordable installation in tight spaces, ideal for simple yet effective process control. As a result of its compact size, the BL 932700 can be installed right next to tanks or vats.

This versatile controller is ideal for many applications, such as ORP monitoring bleaching processes, waste water treatment and swimming pools. BL 932700 permits automatic control of installations previously checked manually.

The instrument can be set for reducing or oxidizing dosage. It measures in the ±1000 mV range, with 1 mV resolution. Set point adjustment and calibration are simply performed through trimmers on the front panel. Users can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits operators to enable or disable the dosing relay according to need.

The overtime control system advises users when the relay is active too long, helping to prevent over dosage. In addition, this model features a 4-20 mA analog output for recorder connection.

 

Order Information:
BL 932700-0 (12 VDC) and BL 932700-1 ( 115/230V) are supplied with mounting brackets, transparent cover and instruction manual.

  • Specifications
  • Accessories
  • Downloads
Range   ±1000 mV
Resolution   1 mV
Accuracy   ±5 mV
Calibration   manual, with CAL trimmer
Dosing Relay   maximum 2A (fuse protected), 250 Vac, 30 VDC
Dosing Selection   reducing or oxidizing, selectable on the back panel contact open=reductant dosage=relay ON if measure > set point contact close=oxidant dosage=relay ON if measure < set point
Setpoint   adjustable from -1000 to 1000 mV
Overtime   adjustable, typically from 5 to approx. 30 minutes
Recorder Output   4-20 mA, accuracy ±0.20 mA, 500 Ohm max load
Input Impedance   102 Ohm
Power Supply   See Chart
Dimensions   79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)
Weight   See Chart
Solutions
HI 7020L ORP Test Solution at 200/275 mV (@20°C)
1 x 500 mL bottle
HI 7022L ORP Test Solution at 470 mV @ 25°C/77°F)
1 x 500 mL bottle
HI 7091L Reducing Pretreatment Solution
1 x 500 mL bottle
HI 7092L Oxidizing Pretreatment Solution
1 x 500 mL bottle
HI 70300L Electrode Storage Solution
1 x 500 mL bottle
HI 7061L General Purpose Cleaning Solution
1 x 500 mL bottle
Accessories
HI 710005 Power Adapter, 115 Vac to 12 VDC, US Plug
HI 710006 Power Adapter, 230 Vac to 12 VDC, European Plug
HI 740146 Mounting Brackets for BL 931700 Housing
Probes
HI 2001 Flow-thru Monitoring ORP Electrode with BNC Connection and 3 m Cable

Manual: (Download)
Literature: (Download)

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Product Accessories

Solutions
HI 7020L
ORP Test Solution at 200/275 mV (@20°C)
1 x 500 mL bottle
HI 7022L
ORP Test Solution at 470 mV @ 25°C/77°F)
1 x 500 mL bottle
HI 7091L
Reducing Pretreatment Solution
1 x 500 mL bottle
HI 7092L
Oxidizing Pretreatment Solution
1 x 500 mL bottle
HI 70300L
Electrode Storage Solution
1 x 500 mL bottle

Product Manuals
  Manual: Download

Product Literature
  Literature: Download




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