Setra-system Model C280E User Manual download pdf

General Information

Your Setra transducer has been carefully calibrated before shipment to you and, it should be

handled with the same care given any precision instrument. Pressure ranges and dimensions

are reported on the speciﬁcation bulletin for the transducer.

Installation

Do not use in ambient conditions corrosive to stainless steel, submerge in liquids, subject to

spray or drip, or in a high vibration environment. The 280 Series is slightly sensitive to accelera-

tion in the pressure ﬁtting axis, less than 0.05 psi/g typical. Factory calibrated in the vertical

position, with pressure port downward, this position often minimizes potential damage from

dripping of pressure system piping.

Installation of pressure ﬁtting:

For very high pressure we suggest using a sealant such as Loctite hydraulic sealant. For

other pressure ranges, standard sealants such as teﬂon pipe tape generally are satisfactory.

For the most sensitive pressure ranges, excessive torquing of a metal pressure ﬁtting may

cause slight zero shift which may be trimmed out using zero adjustment. Use of plastic ﬁt-

tings often shows no noticeable zero shift. The torquing effect does not appreciably affect

linearity or sensitivity. Use the wrench ﬂats on the 280E or C280E when attaching to ﬁttings.

Atmospheric Reference (Gage pressure units only)

Lower range units are subject to excessive thermal zero shift unless vented to atmosphere.

The 280E Series gage pressure transducers and transmitters are vented to atmosphere at

the connector end where the edge card protrudes from the case. Do not seal around the

edge card.

Electrical Connections

280E (.030 - 5.03 VDC output)

For 24 VDC Excitation (Nominal)

+ IN Connect to 15-30 VDC Power Supply.

+ OUT Connect to Control of Pressure Monitor.

COM. Connect as Common Return Lead for + IN

and + OUT.

Caution:

Care must be taken when installing this transducer that the excitation voltage is not ap-

plied to the output lead by mistake. Excitation power, or voltage in excess of 30 VDC, inad-

vertently applied to the output lead may damage the electrical circuit. Shielding or other

precautions should also be provided to assure that transient voltages in excess of 30 VDC

are not applied to the output lead.

C280E (4-20 mA output)

The circuit is designed to operate as a true two-wire 4 to 20 milliampere pressure transmit-

ter and will deliver rated current into any external load between zero and 800 ohms.

Operating Instructions

Models 280E/C280E Pressure Transducer and Pressure Transmitter

Three-Wire, Voltage Output—Two Wire, Current Output

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Summary of Contents

Page 1 - Operating Instructions

General InformationYour Setra transducer has been carefully calibrated before shipment to you and, it should be handled with the same care given any p

Page 2

Adjustments (with cover removed)CAUTION: TURN OFF EXCITATION POWER DUR-ING COVER REMOVAL OR REPLACEMENT.Zero Pressure Output Factory adjusted to 30m

Page 3

Span Adjustment Span can be adjusted approximately ±0.5 mA from the nominal 16 mA full scale span. The span adjustment potentiometer is located as s

Page 4 - SSO337 REV E 07/25/2012

LIMITED WARRANTY AND LIMITATION OF LIABILITYSETRA warrants its products to be free from defects in materials and workmanship, subject to the following

Related models: Model 280E

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Setra-system Model C280E User Manual

Browse online or download User Manual for Sensors Setra-system Model C280E. Setra System Model C280E User Manual

Summary of Contents

Related models: Model 280E

Comments to this Manuals

Related products and manuals for Sensors Setra-system Model C280E