Omega Products EWS-MB Installation Manual

EWS Series

STANDARD CONDUIT BOX IS
SHOWN FOR REFERENCE ONLY
AND MUST BE PURCHASED
F

ROM YOUR LOCAL ELECTRICAL

SUPPLY HOUSE

WALL PLATE AND MOUNTING
BRACKET IS NOT INCLUDED.
ORDER ACCESSORY NO. EWS-MB

79 (3.12)

45 (1.78) max
3

4 (1.34)

54 (2.12)

Dimensions are

in millimeters

with inches in ( ).

TEMPERATURE VS OUTPUT

Deg.C

-18

-10
0

10
20
30
40
50
57

Deg. F

0
14
32
50
68
86

104
122
135

4-20 mA

4.0

5.7

7.8

9.9

12.1

14.2

16.3

18.5

20.0

1-5 vdc

1.00

1.43

1.95

2.48

3.00

3.55

4.08

4.63

5.00

123

TB2

EWS-TX

TEMPERATURE TRANSMITTER

8-24 VOLTS
DC POWER

SUPPLY

MODEL: PSU-93

MODEL: DPi32

MILIAMP INPUT
PROCESS METER

73

4-20 MA OUTPUT WIRING

123

TB2

EWS-TX

TEMPERATURE TRANSMITTER

8-24 VOLTS
DC POWER

SUPPLY

MODEL: PSU-93

MODEL: DPi32

VOLTAGE INPUT
PROCESS METER

73

1-5 VDC OUTPUT WIRING

Economical Wall Mount Sensors

INSTRUCTION

SHEET

EWS-TX

M3500/0209

Shop online at: omega.com e-mail: [e-mail]
For latest product manuals: omegamanual.info

Specifications

Temperature Range: -18 to 57°C (0 to 135°F)
Accuracy: (Still Air) ±0.7°C (±1.2°F)

@ 25°C ±1.4°C (2.5°F) across full range;
(Slow Moving Air) ±1.4°C (2.5°F) @ 25°C ±1.7°C
(3.0°F) across full range

Note: Not recommended for fast moving air
applications.

Repeatability: ±0.3°C (0.5°F)
Output: 4 to 20 mA (1 to 5 Vdc) (User

Selectable)
Temp. Time Constant: (for 63.2% response)

9 sec. in moving air (1 M/sec.), 30 sec. in still air

Power: 8 to 24 Vdc @ 20 mA
Max. Loop Resistance:

(V supply -8 V)/0.020 A = Ohms
Enclosure Material: Valox 364 PBT or

Acrylonitrile Butadlene Styrene

Accessories

Model No. Description
EWS-MB Conduit box mounting bracket/wall plate adaptor kit
PSU-93 24 Vdc power supply (for transmitter models)
TX4-100 Shielded 4 conductor transmitter cable (100 ft)

OMEGAnet®Online Service Internet e-mail

omega.com [e-mail]

Servicing North America:

U.S.A.: Omega Engineering, Inc., One Omega Drive, P.O. Box 4047

ISO 9001 Certified S

C

anada:

tamford, CT 06907-0047
Toll-Free: 1-800-826-6342 Tel: [phone]
FAX: [phone] e-mail: [e-mail]

76 Bergar

9
Laval (Quebec), Canada H7L 5A1
Toll-Free: 1-800-826-6342 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

Benelux: M

Czech Republic: Frystatska 184

F

rance:

For immediate technical or application assistance:

U.S.A. 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

Mexico: E

It is the policy of OMEGA Engineering, Inc. 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.

he information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.

T
WARNING: These products are not designed for use in, and should not be used for, human applications.

n Español: 001 [phone] FAX: [phone]

[e-mail] e-mail:[e-mail]

®

®

G

ermany/Austria:

®

United Kingdom: OMEGA Engineering Ltd.

SO 9001 Certified

I

Servicing Europe:

anaged by the United Kingdom Office

oll-Free: 0800 099 3344 TEL: [phone]

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

733 01 Karviná, Czech Republic
Toll-Free: 0800-1-66342 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

Managed by the United Kingdom Office
Toll-Free: 0800 466 342 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
Toll-Free: 0 800 6397678 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

One Omega Drive, River Bend Technology Centre, Northbank

rlam, Manchester M44 5BD England

I
Toll-Free: 0800-488-488 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

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 will issue an Authorized Return (AR)
number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced
at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling,
improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows
evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or
vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is not
warranted, include but are not limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility for any
omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the company will be as specified and free of
defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT
THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total
liability of OMEGA with respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise,
shall 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 Product(s) be used in or with any nuclear
installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic
WARRANTY/ DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage
whatsoever arising out of the use of the Product(s) in such a manner.

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY PRODUCT(S) TO

RETURN REQUESTS/INQUIRIES

OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER
TO AVOID PROCESSING DELAYS). T he assigned AR number should then be m arked on the outside o f the return package and on any
correspondence.

The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.

FOR WARRANTY
available BEFORE contacting OMEGA:

1. Purchase Order number under which the product was PURCHASED,

2. Model and serial number of the product under warranty, and

3. Repair instructions and/or specific problems relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and
engineering. OMEGA is a registered trademark of OMEGA ENGINEERING, INC.

© Copyright 2009 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic
medium or machine-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC.

RETURNS, please have the following information

FOR NON-WARRANTY REPAIRS,

consult OMEGA for current repair charges.

Have the following information available BEFORE contacting OMEGA:

1. Purchase Order number to cover the COST of the repair,

2. Model and serial number of the product, and

3. Repair instructions and/or specific problems relative to the product.