Mini panel mounted Controller pH 0.00-14.00pH View larger

Mini panel mounted Controller pH 0.00-14.00pH



Item no. BL931700-1

More details

233 €

pH Mini Controller with 4-20 mA Recorder Output

It's easy to handle 

Fire retardant casing
Selectable overdose protection system
Splash resistant cover

The BL 931700 mini pH controller has been designed for easy, affordable installation in tight spaces to perform simple yet effective process control. Thanks to its compact size, the BL 931700 mini pH controller can be installed right next to tanks or vats.

This versatile controller is ideal for a wide variety of applications, such as textiles, papers, photographic solutions, plating baths, chemicals and water treatment.This

BL 931700 is provided with a selectable set point for acid or basic dosage.

Measurements are directly taken from a pH electrode in the range from 0 to 14 with a 0.01 pH resolution. Accuracy is ensured by two point calibration, performed manually 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 for too long, helping to prevent overdosing.

In addition, this model features a 4-20 mA analog output for recorder connection.

Order Information: BL 931700-1 ( 115/230V) are supplied with mounting brackets, transparent cover and instruction manual.

Accuracy pH ±0.02 pH
Calibration manual, 2 point, with offset and slope trimmers
Dimensions 83 x 53 x 99 mm (3.3 x 2.1 x 3.9")
Dosing Relay 1, max 2A (fuse protected), 250 Vac, 30 Vdc
Dosing Selection acid or alkaline contact open = acid dosage, activated when reading exceeds setpoint value contact closed = alkaline dosage; activated when reading falls below setpoint value
Input Impedance 10²Ohm
Overtime adjustable, typically from 5 to approx. 30 minutes
Power Supply See Chart
Range pH 0.00 to 14.00 pH
Recorder Output 4-20 mA, accuracy ±0.20 mA, 500 Ohm max load
Resolution 0.01 pH
Setpoint adjustable from 0.0 to 14.0 pH
Weight See Chart

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