Omega Engineering PSW490B User Manual Download Page 1 | Manualshive

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Omega Engineering PSW490B User Manual Download Page 1

www.omega.com

e-mail: [email protected]

omega.com

TM

®

User’s Guide

DSW490B and DSW790B

Pressure Control Switches

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Summary of Contents for PSW490B

Page 1: ...www omega com e mail info omega com omega comTM User sGuide DSW490B and DSW790B Pressure Control Switches ...

Page 2: ...es TEL 33 0 130 621400 FAX 33 0 130 699120 Toll Free in France 0800 4 06342 e mail france omega com Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 3017 FAX 49 0 7056 8540 Toll Free in Germany 0800 TC OMEGASM e mail germany omega com United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5EX United Kingdom TEL 44 0...

Page 3: ...It is recommended that Teflon tape or other sealant be used on conduit bushing or plug threads to ensure integrity of the enclosure INSTALLATION AND MAINTENANCE OF THE DSW490B AND DSW490B SERIES OMEGA SNAP ACTION SWITCHES FOR DIFFERENTIAL PRESSURE CONTROL DSW490 series standard one 3 4 NPT conduit hole right side DSW790 series standard two 3 4 NPT conduit holes with one permanent plug NEMA 7 9 enc...

Page 4: ...e low side pressure at 300 psi Raise the high side pressure to 450 psi to obtain 150 psi differential Turn the adjustment nut until the switch changes mode at 150 psi differential When the setpoint has been achieved raise and lower the high side pressure to ensure that the differential setpoint is correct After installation of the control replace cover to insure electrical safety and to protect in...

Page 5: ...EMALE 3 4 NPT 2 PLACES B A 1 4 NPT FEMALE C A U T I O N T O PREVENT IGNITION OF H A ZA R D O U S ATMOSPHERE TURN OFF P O W E R B E FORE OPENING CLOS E T I G H T L Y BEFORE OPERATIN G C A U T I O N C O U P E R LE COU R AN T A V A N T D O U V R I R B I E N F E R M E R AV A N T D E M E T T R E E N S E R V IC E B A C H D E F G 0 28 THRU 3 PLACES 3 4 NPT 2 PLACES 1 4 NPT LOW PRESSURE INLET 1 4 NPT HIGH...

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Page 7: ...hall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any...

Page 8: ...icators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisition Engineering Software Communications Based Acquisition Systems Plug in Cards for Apple IBM Compatibles Datalogging Systems Recorders Printers Plott...

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