Omega PSW-850 manual

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- informations concerning technical data of Omega PSW-850
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- safety signs and mark certificates which confirm compatibility with appropriate standards

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Table of contents for the manual

  • Page 1

    www.omega.com e-mail: info@omega.com U ser ’ s Guide PSW -850 SERIES Pressure Switches Shop on line at IMPSW850[...]

  • Page 2

    Servicing Nor th America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canada: Sales Servic[...]

  • Page 3

    GENERAL Pressure variations are sensed by a bellows, diaphragm or piston sensor which either actuates or de-actuates one, two or three snap- acting switches at a pre-determined set point(s). Set point(s) is adjusted by turning an internal knob and pointer or internal screw Tools Needed Screwdriver Hammer Adjustable wrench MOUNTING INSTALL UNIT WHER[...]

  • Page 4

    Special Instructions For Vacuum Ranges On vacuum ranges, the C-NO circuit is closed at sea level conditions. Therefore, increasing vacuum will cause the C- NC circuit to close while decreasing vacuum will cause the C-NO circuit to close. Please make a note of this and wire/adjust the unit accordingly. Tools Needed Screwdriver NOTE: For set point ad[...]

  • Page 5

    6 ” (152.4 mm) Dimension A Models Inches mm NPT Pressure PSW-852CH, 852CG, 852CJ, 852CL, 855CM & PSW-856CH, 856CJ, 856CL, 856CM & PSW-853CH, 853CJ, 853CL, 853CM 5.81 146.84 1/4 PSW-852AA, 852AB, 852AC, 852AD, 852AE, 852AF 8.25 209.6 1/2 PSW-852BI, 852BK, 852BL 4.56 115.8 1/4 PSW-852DN, 855DN, 856DN 5.5 139.70 1/4 PSW-852EO, 852EP 6.44 163[...]

  • Page 6

    W ARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA ’ s W ARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA ’ s custo[...]

  • Page 7

    M-3568/0500 Where Do I Find Ever ything I Need for Pr ocess Measurement and Control? OM EGA…Of Course! Shop on line at www .omega.com TEMPERA TURE   Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies   Wire: Thermocouple, RTD & Thermistor   Calibrators & Ice Point References   Recorders,[...]