Omega Products EP211 Installation Manual

omega.com

e-mail: [e-mail]

For latest product manuals:

omegamanual.info

User’s Guide

IP211, EP211 SERIES

Shop online at

O-T1000.qxd 4/11/05 9:16 AM Page 1

Servicing North America:

USA: O

ne Omega Drive, P.O. Box 4047

ISO 9001 Certified Stamford CT 06907-0047

TEL: [phone] FAX: [phone]
e-mail: [e-mail]

Canada: 976 Bergar

Laval (Quebec) H7L 5A1, Canada
TEL: [phone] FAX: [phone]
e-mail: [e-mail]

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 / 1-800-622-BEST

®

Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN

®

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA

Mexico: En Espan˜ ol: [phone]-7803 e-mail: [e-mail]

FAX: [phone] [e-mail]

Servicing Europe:

Benelux: Postbus 8034, 1180 LA Amstelveen, The Netherlands

TEL: [phone] FAX: [phone]
Toll Free in Benelux: 0800 0993344
e-mail: [e-mail]

Czech Republic: Frystatska 184, 733 01 Karviná, Czech Republic

TEL: [phone] FAX: [phone]
Toll Free: 0800-1-66342 e-mail: [e-mail]

France: 11, rue Jacques Cartier, 78280 Guyancourt, France

TEL: [phone] FAX: [phone]
Toll Free in France: 0800 466 342
e-mail: [e-mail]

Germany/Austria: Daimlerstrasse 26, D-75392 Deckenpfronn, Germany

TEL: [phone] FAX: [phone]
Toll Free in Germany: 0800 639 7678
e-mail: [e-mail]

United Kingdom: One Omega Drive, River Bend Technology Centre

ISO 9002 Certified Northbank, Irlam, Manchester

M44 5BD United Kingdom
TEL: [phone] FAX: [phone]
Toll Free in United Kingdom: 0800-488-488
e-mail: [e-mail]

OMEGAnet®Online Service Internet e-mail

www.omega.com [e-mail]

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certifica­tion of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, human applications.

O-T1000.qxd 4/11/05 9:16 AM Page 2

PRINCIPLE OF OPERATION

T

he transducer is a force balance device in which a coil is suspended in the field of a magnet by a flexure. Current flowing
through the coil generates axial movement of the coil and flexure. The flexure moves against the end of a nozzle, and creates
a back pressure in the nozzle by restricting air flow. This back pressure acts as a pilot pressure to an integral booster relay.
Consequently, as the input signal increases (or decreases, for reverse acting), output pressure increases proportionally.

Zero and span are calibrated by turning easily accessible adjusting screws on the front face of the unit. The zero adjustment
causes the nozzle to move relative to the flexure. The span adjustment is a potentiometer that limits the flow of current
through the coil. A thermistor circuit in series with the coil provides temperature compensation.

MOUNTING

The transducer can be mounted at any angle, but should be
calibrated after mounting. For maximum output pressure
stability, it should be mounted vertically in a vibration free
location or such that the vibration is isolated to the X and Z
axis as shown in

Figure 3.

Pipe: Due to its light weight , the transducer may be sup-

ported by the piping used for the supply and output.

Panel: (with access to rear of panel) Attach transducer
(See Fig. 3), to panel using two 10-32 screws and two
threaded mounting holes on the back of the unit.

Panel: (with no access to rear of panel) Attach bracket
(see Fig 1 and 3), to transducer using two 10-32 screws
on the back of the unit and mount bracket to panel using
four 8-32 screws.

AIR CONNECTIONS

• Supply Air must be instrument quality air regulated

between the minumum and maximum specified on the
nameplate of the transducer.

• Instrument quality air consists of :

a

A dew point less than 35˚F
b No particles larger than three microns
c Maximum oil content of 1 ppm

• All unused ports must be plugged.

Supply: Connect supply to the1/4" NPT ports marked “IN” on the base of the transducer. Avoid getting pipe sealant inside
the piping or transducer.

Output: Connect output to the 1/4" NPT ports marked “OUT” on the base of the transducer. The pipe plugs may be removed
from the two auxiliary output ports for a pressure gauge or as an alternative output port.

M

-4110/1104 IP211, EP211 SERIES

A

3

O-T1000.qxd 4/11/05 9:16 AM Page 3