Omega PX654, PX653, PX656, PX655 User guide

#*#*#*#*

omega.comomega.com

TM

®

#;1<<>;1&;-8<0>/1;


#*#*

COMMON SPECIFICATIONS FOR ALL UNITS

//>;-/B E%%
-<1098.1<=25=<=;-534=6581-6=49>34!%&/-6<411=5<.-<1098
=1;758-6:958==41;129;1!%&/-6<411=/9>60;1:9;=-7-A-//>;-/B
92&#
581-;5=B E%%
B<=1;1<5< E%
$1:1-=-.565=B E%
":1;-=583&17:

#*#* FD=9DFD=9D
#*#* FD=9DFD=9D

97:18<-=10&17:

#*#* D=9DD=9D
#*#* D=9DFD=9D

%=9;-31&17:

#*#* F=9D

#*#* F=9D
#;992#;1<<>;1#* #% #* #%
>;<=#;1<<>;1#*

{

#% #*{#%

#*#*

%=-=5/#;1<<>;1

#*#* #%
#*#* #%
#;9/<< 105- 61-80;B/61-8898/9;;9<5?1

&41;7-6221/=<

,1;9 %D

%:-8 %D
%18<9;&B:1 -:-/5=-8/1
$1<:98<1&571 7<
8/69<>;1

#*#* ! 

#*#* ! *
#;1<<>;1#9;=

#*#*

#*#*
61/=;5/-69881/=598 %/;1@=1;758-6

#*#* &@9G!#&/980>5=

3-<1<



G

 -80



G

 !#&



G

 .-;.1025==583<

*

PX653 & PX654 (VOLTAGE OUTPUT)

*&&"! (0/
"'&#'& (0/
%'##+'$$!& 7
)&

#* 9C3
#* 6.3

HANDLING PRECAUTIONS

This sensor has a high insulation resistance. It can be
damaged when exposed to high static discharges.
Good instrumentation grounding practices should be
used during handling, testing and installation.

* Approval is only available on PX655 and valid if

connected per the wiring diagram see reverse.

PX655 & PX656 (ANALOG OUTPUT)

*&&"! (0/
"'&#'& 7@5;1
*""#$% <>::6B?96=-31A947<
)&

#* 9C3
#* 6.3

CALIBRATION REPORT

All models are tested to meet or exceed the published
specifications. Calibration testing was performed using NIST
traceable instrumentation. all sensors come calibrated. "

!"&&& #&&"$$&%!%"$'!%%
+"'(!")!#$%%'$%"'$&&%&
%&& %

"$'$&&!&%!%"$

+

+

–

–

POWER
SUPPLY

(+ V)

(+ OUT)

METER

(PX653, PX654)

1-5 Vdc OU TPUT

(– V)

+

+

–

POWER
SUPPLY

(+/V+)

METER

(PX605, PX615)

–

RED

BLACK

CURRENT

(–/V–)

1.3

2.0

3.9

4.6

1.7

3.4

4.2

.21 Slot
for #8 or
#10 Screw

EARTH

GROUND

POWER
SUPPLY

V+
V–

CURRENT (4-20mA) OUTPUT WIRING

RS

(LOAD)

POS.

NEG.

EMPTY

EARTH

GROUND

SIGNAL

OUT

+

–

V+

V-

VOLTAGE OUTPUT WIRING

POWER
SUPPLY

POS.

NEG.

COMMON

MOUNTING
FOOT

➤

➤

➤

➤

➤

➤

➤

ø 0.2

1.4

4.3

➤

➤

➤

➤

➤

0. 2 T YP
(2) PLACES

MOUNTING FOOT

2.7

ACCESS COVER (TERMINAL BLOCK)

➤

➤

MOUNTING FOOT

➤

➤

➤

➤

2.7

4.6

➤

➤

0.7

➤

➤

5

➤

1/2 NPSM THREAD TYP BOTH
SIDES FOR CONDUIT PIPING

ACCESS COVER

(ZERO AND SPAN POTS)

3

➤

➤

➤

➤

2.5

➤

➤

➤

➤

➤

➤

➤

➤

0.8

1.4

3.0

0.7

HIGH

LOW

1/4 NPT

PRESSURE

FITTINGS

➤

➤

SPAN POT

ZERO POT
LOCATION

➤

➤

+

–

+

–

POWER
SUPPLY

OUTPUT

NEGATIVE

POSITIVE

VOLTAGE OUTPUT

V–

OUT

V

+

KNURLED

BRASS NUT

CURRENT OUTPUT

+

-

SHIELD

R

s

PX653, PX655 PX654, PX656

Dimensions in inches

+

POWER

-

SUPPLY

OMEGA warrants this unit to be free of defects in materials and workmanship and to gi ve satisfactory

WARRANTY

service for a period of 37 months from date of purchase. OMEGA’s Warranty adds an additional one (1)
month grace period to the normal three (3) year product warranty to cover handling and shipping
time. Thi s ensu re s that our cu st ome rs re ceive ma xi mum co ver ag e on ea ch prod uc t. If the unit
malfunctions, it must be returned to the factory for evaluation. Our 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. However, this
WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being
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 which wear
or are damaged by misuse are not warranted. These include contact points, fuses, and triacs.

We are glad to offer suggestions on the use of our various products. Nevertheless, OMEGA war­rants only that the parts manufactured by it will be as specified and free of defects.

OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER,
EXPRESS 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 buyer 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.

Every preca ution for accuracy has been tak en in the prep arati on of this manual, however, OMEGA
ENGINEERING, INC. neither assumes responsibility for any omissions or errors that may appear nor assume
liability for any damages that result from the use of the products in accordance with the information
contained in the manual.

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 1992 OMEGA ENGINEERING, INC. All rights reserved including illustrations. Nothing in this

manual may be reproduced in any manner, either wholly or in part for any purpose whatsoever without writ­ten permission from OMEGA ENGINEERING, INC. Printed In USA AMR 08/11

WIRING

Servicing USA and Canada: Call OMEGA Toll Free

OMEGA Engineering, Inc.

One Omega Drive, Box 4047

Stamford, CT 06907-0047 U.S.A.

Headquarters: [phone]

Sales: 1-800-826-6342 / 1800-TC-OMEGA

Customer Service: 1-800-622-2378 / 1-800-622-BEST

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

FAX: [phone] TELEX: 996404 EASYLINK: 62968934 CABLE:

OMEGAServicing Europe: United Kingdom Sales and Distribution center

P.O. Box 1, Broughton Astley, Leicestershire LE9 6XR, England

Direct all warranty and repair requests/inquiries to OMEGA’s Customer Service Department.
Call toll free in the U.S. and Canada: 1-800-622-2378, Fax: [phone]; International:
203-359-1660; Fax: [phone].

BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, YOU MUST OBTAIN AN AUTHORIZED
RETURN (AR) NUMBER FROM OUR CUSTOMER SERVICE DEPARTMENT (IN ORDER TO
AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the
outside of the return package and on any correspondence.

FOR WARRANTY RETURNS, please have the following information available BEFORE
contacting OMEGA:

1. P.O. 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 you are having with the product.

FOR NON-WARRANTY REPAIRS, CALIBRATION, consult OMEGA current repair/cali-
bration charges. Have the following information available BEFORE contacting OMEGA:

1. Your P.O. number to cover the cost of the repair/calibration.

2. Model and serial number of the product, and

3. Repair instructions and/or specific problems you are having with the product.

OMEGA Technologies Ltd.

Telephone: [phone] FAX: [phone]

RETURN REQUESTS/INQUIRIES