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BL932700 ORP Mini Controller (230V)

The BL932700 is a compact,ORP process controller designed for applications where space or cost is important. The device may be used with any ORP electrode with a standard BNC connector. It’s adjustable dosing relay may be configured to dose above or below a user programmable mV setpoint. Users may choose from automatic or manual dosing modes allowing for easy maintenance and troubleshooting.

Brand: Hanna

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Product CodeProduct Product Description Price (Excl gst) Qty Add
HA-BL932700-1 BL932700 ORP Mini Controller (230V) BL932700 ORP Mini Controller (230V) Login for price  

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Adjustable Dosing Relay
The BL932700 features a dosing relay which may be configured to dose above or below a user programmable mV setpoint.

Selectable Overdose Protection
The mini controller may be programmed to deactivate a valve, pump, or connected device if its activation continues over a selected time; adjustable from 5 to 30 minutes.

Selectable Control Override
With the flick of a switch, normal “Auto” operation may be overridden turning your connected device “Off” from operation or always “On.”

Analog Output Communication
The BL932700 features a 4 - 20 mA analog output for connection to a data logger, chart recorder, or other device.

External Disabling Feature
A normally open contact may connect to a level controller or flow monitor. This safety feature may be used to prevent continuous dosing in the event of specific or undesired system conditions.

Matching Pin Connection
An included matching pin option helps protect the sensor from ground loop effects that may lead to erratic readings or system damage.

Range ±1000 mV
Resolution 1 mV
Accuracy (@25°C/77°F) ±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 > setpoint
contact closed=oxidant dosage=relay ON if measure < setpoint
Setpoint adjustable from -1000 to 1000 mV
Overtime adjustable, typically from 5 to approximately 30 minutes
Input Impedance 10¹² Ohm
Analog Output 4 to 20 mA, accuracy ±0.20 mA, 500 ¥ maximum load
Power Supply 115/230 VAC; 50/60Hz
Dimensions 83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’)
Weight 300 g (10.6 oz.)
Ordering Information BL932700-1 (115V) is supplied with mounting brackets, transparent cover and instruction manual.
Warranty 2 years

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