Instruction/ maintenance manual of the product PSW-850 Omega
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www.omega.com e-mail: info@omega.com U ser ’ s Guide PSW -850 SERIES Pressure Switches Shop on line at IMPSW850.
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.
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).
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.
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.
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.
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, .
An important point after buying a device Omega PSW-850 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega PSW-850 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega PSW-850 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega PSW-850 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega PSW-850 will certainly help you make a decision on the purchase.
If you already are a holder of Omega PSW-850, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega PSW-850.
However, one of the most important roles played by the user manual is to help in solving problems with Omega PSW-850. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega PSW-850 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
