Ph Transmitter Process Controller Mini Bl931700 By Hanna...

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Product Description

BL931700-1 pH Mini Controller - 4 - 20mA output - 220V

It's easy to handle

Fire retardant casing
Selectable overdose protection system
Splash resistant cover

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.

Specifications

Range - pH		0.00 to 14.00 pH
Resolution		0.01 pH
Accuracy - pH		±0.02 pH
Calibration		manual, 2 point, with offset and slope trimmers
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
Setpoint		adjustable from 0.0 to 14.0 pH
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		230 VAC; 50/60Hz
Dimensions		83 x 53 x 99 mm (3.3 x 2.1 x 3.9")
Weight		200g