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Hanna BL 981411-0 - pH Mini Controller 12 VDC

Hanna BL 981411-0 - pH Mini Controller 12 VDC
  • Easy to handle
  • Fire retardant casing
  • Selectable overdose protection system
  • Splash resistant cover

The BL 981411 pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates operating mode.

BL 981411 is also provided with a dosing relay. Selecting acid dosing, will cause the relay to activate when the measurement is higher than the set point. If the basic dosing is selected, the relay is activated when the reading falls below the set point.

Set point adjustment (from 0 to 14 pH) and calibration procedures are easily performed with trimmers on the front panel. Users can choose from automatic or manual dosing modes 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. An overtime control system advises users when the relay is active too long, to help prevent overdosing.

Specifications:

Range0.0 to 14.0 pH
Resolution0.1 pH
Accuracy @ 25C0.1 pH
Calibrationmanual, with offset trimmer
Dosing Relaymax 2A (fuse protected), 250 Vac, 30 Vdc
Dosing Selectionacid or alkaline
contact open=acid dosage=relay ON if measurement > set point contact close=alkaline dosage=relay ON if measurement < set point
Setpointadjustable from 0.0 to 14.0 pH
Overtimeadjustable, typically from 5 to approx. 30 minutes
Input Impedance102 Ohm
Power SupplySee Chart
Dimensions79 x 49 x 95 mm (3.1 x 1.9 x 3.7'')
WeightSee Chart

Item Specifications
Item Number: 134107
Manufacturer: Hanna Instruments
Manufacturer's Part Number: BL 981411-0
Dimensional Weight: 1 lbs More Info

 

Additional Documents
  Title Size Modified
pdf file  Instruction Manual  241 KB  4/14/2010 
pdf file  Literature  931 KB  4/14/2010 
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