The Walchem WDEC410-5NMNN controller is now obsolete and has been replaced by the WDEC410-5NMNU controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDEC410-5NMNN and the WDEC410-5NMNU have the same specifications with hardwired, cable glands, no 4-20 mA output, submersion PEEK sensor (100 - 1000 ms/cm, 20 ft cable), no second sensor.
Please click here to view and/or purchase the new replacement controller and to view literature.
