Description
BL931700 pH Mini Controller
BL931700 can measure pH range from 0.00 to 14.00 pH.
BL931700 has a 4 – 20mA output – 220V.
The device has a 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 versatile controller is ideal for a wide variety of applications, such as textiles, papers, photographic solutions, plating baths, chemicals and water treatment.
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.
BL931700 pH Mini Controller Specification :
| Range | 0.00 to 14.00 pH | |
| Resolution | 0.01 pH | |
| Accuracy @ 25°C | ±0.02 pH | |
| Calibration | manual, 2 point, with offset and slope trimmers | |
| Dosing Relay | max 2A (fuse protected), 250 Vac, 30 Vdc | |
| Dosing Selection | acid or alkaline contact open=acid dosage=relay ON if measurement > set point contact close=alkaline dosage=relay ON if measurement < set point |
|
| Setpoint | adjustable from 0.00 to 14.00 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 | See Chart | |
| Dimensions | 79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’) |
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