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BL932700 Mini ORP Controller

BL932700 Mini ORP Controller

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, BL 932700 can be installed right next to tanks or vats.

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, 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. You can also choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits you to enable or disable the dosing relay according to your need.

The overtime control system advises you 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.

Two models are available, with power supply input at 115/230 Vac or 12 Vdc.

Order Information:
The BL 932700 is supplied with mounting brackets, transparent cover, and instructions.

Specifications

Specifications  
Range1000 mV
Resolution1 mV
Accuracy5 mV
Calibrationmanual, with CAL trimmer
Dosing Relay1, max 2A (fuse protected), 250 Vac, 30 Vdc
Dosing Selectionreducing or oxidizing
contact open = reducing dosage, activated when reading exceeds setpoint value
contact closed = oxidizing dosage; activated when reading falls below setpoint value
Setpointadjustable from -1000 to 1000 mV
Overtimeadjustable, typically from 5 to approx. 30 minutes
Recorder Output4-20 mA, accuracy 0.20 mA, 500 Ohm max load
Input Impedance102Ohm
Power SupplySee Chart
Dimensions83 x 53 x 99 mm (3.3 x 2.1 x 3.9")