The Walchem WDEC310-54HN controller is now obsolete and has been replaced by the WDEC410-54HNU controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDEC310-54HN and the WDEC410-54HNU have the same specifications with hardwired, cable glands, single isolated analog (4-20 mA) output, in-line CPVC sensor w/ CPVC adapter (1.0 - 10.0 ms/cm, 20 ft cable), no second sensor.
Please click here to view and/or purchase the new replacement controller and to view literature.
