background image

5

6

Scaling Without Known Loads (

Continued)

3. Press 

/TARE

again. The unit displays the

last setting for 

IN!1

.

(The first digit flashes.)

4. Change 

IN!1

as necessary:

• Press 

/MAX

to set or change the digit's current value. Continue to

press 

/MAX

until the meter displays the desired value for the

flashing digit. Values can range from 0 to 9. For the first digit, you can
also enter a minus sign (–) or –1.

• Press 

/TARE

to scroll to the digit(s) you want to change.

5. Press 

MENU

to store 

IN!1

. The unit displays:

6. Press 

/TARE

. The unit displays the last

setting for 

RD!1

. (The first digit flashes.)

7. Change 

RD!1

as necessary:

• Press 

/MAX

until the meter displays the desired value for the

flashing digit. Values can range from 0 to 9. For the first digit, you
can also enter a minus sign (–) or –1.

• Press 

/TARE

to scroll to the digit(s) you want to change.

8. Press 

MENU

to store the value shown for 

RD!1

.

The unit displays:

To define the maximum load (

IN!2

and 

RD!2

):

1. Repeat steps 3–8 above, entering the values for

IN!2

and

RD!2

.

2. Once you've completed all steps, the unit displays:

To begin operation:

Reinitialize the unit (press 

RESET

twice or

press 

MENU

until 

RST

flashes on the

display). When a numeric reading appears,
the unit is operational.

Determining Reading Offset

The run mode reading for meters scaled without known loads may
reflect an offset. For example, say you set 

RD!1

to 0 and 

RD!2

to

100, but when the minimum load is applied, a negative value of –1.5
displays on the front panel.

To correct the reading offset:

1. With zero load applied, note the reading on the display.

2. Subtract that amount from the 

RD!1

and 

RD!2

values you

originally entered.

In the example, the offset would be –1.5. If 

RD!1

is to read 0 in

Run Mode, it must be reentered as 1.5.  

RD!2

must likewise be

reentered as 101.5 if the meter is to read 100 when the
maximum load is applied.

3. Repeat the steps for "Scaling Without Known Loads," but when

the values for 

IN!1

and 

IN!2

display, do not change them.

Instead, press 

MENU

to move to the prompts for 

RD!1

and 

RD!2

and make the necessary changes.

4. Reinitialize the unit and resume operation.

Scaling With Known Loads 

(Continued)

6. Press 

MENU

to store 

IN!1

. The unit displays:

7. Press 

/TARE

. The unit displays the last setting for 

RD!1

.

8. Change 

RD!1

as necessary:

• Press 

/TARE

to scroll to the digit(s) you want to change

(it flashes on the display).

• Press 

/MAX

to change the value of the flashing digit.  Values

can range from 0 to 9. For the first digit, you can also enter a
minus sign (–) or –1.

9. Press 

MENU

to store the value shown for 

RD!1

.

The unit displays:

To identify the maximum known load (

IN!2

and 

RD!2

):

1. Apply the maximum known load (100%).

2. Repeat steps 4–9 above, for

IN!2

and

RD!2

.

Once you've completed all steps, the unit displays:

To begin operation:

Reinitialize the unit (press 

RESET

twice or

press 

MENU

until 

RST

flashes on the display).

When a numeric reading appears, the unit is
operational.

Scaling Without Known Loads

For 4-20 mA sensors, the values for the minimum and maximum
input loads are always as follows:
• Minimum load (

IN!1

) — 2000

• Maximum load (

IN!2

) — 9999.

If your installation uses a different sensor type, you must calculate
the values for 

IN!1

and 

IN!2

before proceeding with the steps

below.  Use the formula provided in the Operator's Manual.
To define the minimum load (

IN!1

and 

RD!1

):

1. If it's not already shown, press 

MENU

until

the unit displays:

2. Press 

/TARE

. The unit displays:

This  device  is  marked  with  the  international  caution  symbol.      It  is  important  to  read  the
Setup Guide  before  installing  or  commissioning  this  device,  as  the  guide  contains
important information relating to safety and EMC.

WARNING:

These  products  are  not  designed  for  use  in,  and  should  not  be  used  for,  patient-

connected applications.

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.

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects 

in materials and workmanship for a period of 

61 months

 from 

date of purchase. OMEGA’s WARRANTY adds an additional one (1) 

month grace period to the normal 

five (5) 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 evalua-

tion. 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, includ-

ing but not limited to mishandling, improper interfacing, operation 

outside of design limits, improper repair, or unauthorized modifica-

tion. 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 vari-

ous products. However, OMEGA neither assumes responsibil-

ity for any omissions or errors nor assumes liability for any 

damages that result from the use if its products in accordance 

with information provided by OMEGA, either verbal or writ-

ten. 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, warran-

ty, 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 appli-

cations 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.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA 

Customer Service Department.  BEFORE RETURNING ANY 

PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN 

AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S 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. Purchase Order number

under which the product

was PURCHASED,

2.

3.

 Model and serial number of the

product under warranty, and

 Repair instructions and/or

specific problems relative

to the product.

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 or

calibration,

2.

3.

Model and serial number of the

product, and

 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 trademark of OMEGA ENGINEERING, INC.
© Copyright 2018 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.

MQS3597/0918

DP25B-E

Process Panel Meter

omega.com   [email protected]

The 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. 

Servicing North America:

U.S.A.  

Omega Engineering, Inc. 

Headquarters:  

Toll-Free: 1-800-826-6342 (USA & Canada only) 

Customer Service: 1-800-622-2378 (USA & Canada only) 

Engineering Service: 1-800-872-9436 (USA & Canada only) 

Tel: (203) 359-1660 

Fax: (203) 359-7700 

e-mail: [email protected] 

For Other Locations Visit omega.com/worldwide

For complete product manual:
www.omega.com/manuals/manualpdf/M3597.pdf

TM

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