The Walchem WDEC410-54NNN controller is now obsolete and has been replaced by the WDEC410-54NNU controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDEC410-54NNN and the WDEC410-54NNU have the same specifications with hardwired, cable glands, single isolated analog (4-20 mA) output, no primary sensor, no second sensor.
Please click here to view and/or purchase the new replacement controller and to view literature.
