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User’s Guide
www.omega.com
e-mail: info@omega.com
PSW18H SERIES
HYDRAULIC, PISTON-STYLE PRESSURE SWITCH
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® OMEGAnet On-Line Service Internet e-mail www.omega.com info@omega.com Servicing North 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 Service: 1-800-826-6342 / 1-800-TC-OMEGA ® Customer Service: 1-800-622-2378 / 1-80
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HYDRAULIC, PISTON-STYLE PRESSURE SWITCH PSW18H Series APPLICATION Ideal for Control of Hydraulic, Lubricating and Light Fuel Oils FEATURES Rugged Compact Design Convenient Setpoint Adjustments High Cycle Life Vibration Resistant to 15g UL and CSA Approved Microswitch Gold Plated Contacts SPECIFICATIONS Ports 1/4" NPT or 7/16-20 UNF (SAE-4) 3 2 Adjustment Range 70 to 1015 PSI (5 to 70 bar) and p 150 to 2320 PSI (10 to 160 bar) Proof Pressure* 5800 PSI (400 bar) Temperature Rating 1 Ambient -13°
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HYDRAULIC, PISTON-STYLE PRESSURE SWITCH SWITCH SELECTION AND MOUNTING INSTRUCTIONS • Select a switch such that the desired switching point falls roughly in the middle of the adjustment range. • Do not exceed switch electrical ratings. Use an appropriately sized relay when switching larger electrical loads. Adjustment Of Switching Points • For liquid media with pressure spikes and/or pulsating pressures, install a pressure snubber. • For outdoor applications, sufficient protection must be provid
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NOTES
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NOTES
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WARRANTY/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 Warranty 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 customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department w
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERATURE ✔ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies ✔ Wire: Thermocouple, RTD & Thermistor ✔ Calibrators & Ice Point References ✔ Recorders, Controllers & Process Monitors ✔ Infrared Pyrometers PRESSURE, STRAIN AND FORCE ✔ Transducers & Strain Gages ✔ Load Cells & Pressure Gages ✔ Displacement Transducers ✔ Instrumentation & Accessories FLOW/LEVEL ✔ Rotameters, Gas Mass Flow
