Product Description

Hanna BL-932700-1 ORP Mini Controller (4-20 mA Analog Output)

The BL-932700 features a 4 – 20 mA analogue 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.

Specifications Hanna BL-932700-1 ORP Mini Controller

Range		±1000 mV
Resolution		1 mV
Accuracy		±5 mV
Calibration		manual, with CAL trimmer
Dosing Relay		1, max 2A (fuse protected), 250 Vac, 30 Vdc
Dosing Selection		reducing or oxidizing contact open = reducing dosage, activated when reading exceeds setpoint value contact closed = oxidizing dosage; activated when reading falls below setpoint value
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		115/230VAC; 50/60Hz
Dimensions		83 x 53 x 99 mm (3.3 x 2.1 x 3.9″)
Weight		300g