WEL Series | pH/ORP Electrodes - Walchem - #2

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ABOUT US Walchem integrates its advanced sensing, instrumentation, fluid pumping and communications technologies to deliver reliable and innovative solutions to the global water treatment market Our in-house engineering is driven by quality, technology and innovation. For more information on the entire Walchem product line, visit: www.walchem.com Walchem, An Iwaki America Incorporated Company Five Boynton Road Hopping Brook Park Holliston, MA 01746 USA Phone: 508-429-1110 Fax: 508-429-7433 www.walchem.com 180174.D1 Apr 2009 ORDER INFORMATION WEL mounting style housing cartridge CARTRIDGE PHF = Flat surface pH PHB = Bulb pH PHH = HF resistant pH MVF = Flat surface ORP MVR = Rod style ORP PHLI = Flat pH, if sample is between 10 and 100ìS HOUSING 1 = Housing with preamplifier and PT1000 ATC, 20’ cable with tinned leads 2 = Housing with preamplifier, 20’ cable with tinned leads 3 = Housing with PT1000 ATC, 20’ coaxial cable with BNC connector 4 = Housing, 20’ coaxial cable with BNC connector MOUNTING STYLE 1 = Submersion mounting 2 = In-line mounting (3/4” NPTF tee) 3 = Metric in-line mounting (G 1¼ male adapter) SPECIFICATIONS pH/ORP Electrode Range 0 to 14 pH (0 to 12 without sodium ion error ±1999 mV (ORP) Response 95% in less than 5 seconds Impedance: Cartridge Not to exceed 1000mÙ over temp range Housing 100Ù, preamplified versions Not to exceed 1000mÙ over temp range non-preamplified versions Operating Pressure 100 psig Temperature Range Housings with preamplifier 32 to 158ºF (0 to 70ºC) Housings without preamplifier 32 to 212ºF (0 to 100ºC) PHF, MVF, MVR & PHLI 50 to 212ºF (10 to 100ºC) PHB cartridges 32 to 212ºF (0 to 100ºC) PHH cartridges 32 to 122ºF (0 to 50ºC) Note: Electrode life is drastically reduced when used at temperatures above 122°F (50°C). Wetted Materials of Construction Electrode body CPVC Electrode reference HDPE O-rings FKM Electrode Glass (pH) or platinum (ORP) The WEL Series electrodes are in compliance with CE EMC standards. 20 FT CABLE 1” PIPE 1” NPT COUPLING (USER SUPPLIED) ELECTRODE CARTRIDGE CONTROLLER OR 190851 TERMINAL BOX SUBMERSION Installation with Preamplified Housing 20 FT CABLE NUT (P/N 102586) MOUNTING TEE (P/N 102884) ELECTRODE CARTRIDGE CONTROLLER OR 190851 TERMINAL BOX IN-lINE Installation with Preamplified Housing