The Walchem WDP410-1N1N controller is now obsolete and has been replaced by the WDP410-1N1U controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDP410-1N1N and the WDP410-1N1U have the same specifications with with 4 on/off control outputs and diagnostic alarm relay, 120 VAC, pre-wired with 6” pigtails (if on/off) or with 10’ cables for e-class pumps (if pulse), no 4-20 mA output, two preamplifiers (190783).
Please click here to view and/or purchase the new replacement controller and to view literature.
