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United A740

WBL410-5N5U Boiler Controller, Blowdown, 4-Feed Relays

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This blowdown and feed boiler conductivity control system provides on/off conductivity control, chemical feed and a conductivity electrode that measures the conductivity, as well as a temperature measurement for automatic compensation for errors due to temperature fluctuations. Unit has the ability to store data and user settings which can then be transferred to a PC via a USB disk.

Specifications:
  • 4 Feed/auxiliary relays.
  • Selection of preferred operational modes.
  • Controller and Sensor Performance
    • Range: 0 - 10,000 S/cm (microSiemens/centimeter)
    • Resolution: 1 S/cm
    • Accuracy: 10 - 10,000 S/cm 1% of reading
    • 0 - 10 S/cm 20% of reading
    • Temperature Range: 32 - 401F (0 - 205C)
    • Temperature Resolution: 0.1C
    • Temperature Accuracy: 1% of reading
  • Input Power: 100-240 VAC, 50/60 Hz, 8A
  • Fuse: 1.0 ampere, 5 x 20 mm




Applications:
Conductivity control of boiler water and control of chemical feed.