The Walchem WDEC310-1NGN controller is now obsolete and has been replaced by the WDEC410-1NGNU controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDEC310-1NGN and the WDEC410-1NGNU have the same specifications with 120 VAC, prewired, no 4-20 mA output, submersion CPVC sensor (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.
