WEL-PHF-NN Walchem Replacement pH Electrode
Range 0-14 pH
Temperature Range 32-212F (check sensor housing for other temperature limits, life drastically reduced over 122F)
Operating Pressure: 100 psig max, temperature dependent
Cartridge Impedance: Not to exceed 1000MΩ over temp range
Housing Impedance: Preamplified versions - 100Ω
Response: 95% in less than 5 seconds
Wetted Materials of Construction
Electrode body: CPVC
Electrode reference: HDPE
O-rings: FKM
Electrode: Glass (pH)
Fits Walchem models WPH300, WPH400, WDP300, WDP400, Webmaster, WPHW100, WPH600 and Intuition 6, W900 and Intuition 9, Controllers with pH as additional sensor WDT300, WDT400, Wxx6 and Wxx9 Controllers