Omega WM7400 User guide

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User’s Guide

WM7400

M-4376/1006

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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.

TABLE OF CONTENTS

SPECIFICATIONS………………………………………3

INSTALLATION…………………………………………4

SETUP ACCESS………………………………………..5

MENU LAYOUT...………………………………………6

CONFIGURATION……………………………………..7

REMOTE SERIAL DISPLAY………………………….8

CALIBRATION………………………………………….9

SERIAL PORTS………………………………………10

SERIAL COMMUNICATIONS……………………….11

ANALOG OUTPUT……………………………………13

DIGITAL INPUT/OUTPUT……………………………15

SETPOINTS……………………………………………17

OVER/UNDER…………………………………………17

BATCH MODE…………………………………………18

TIME & DATE………………………………………….19

AC/DC OPERATION………………………………….19

DISPLAY MESSAGES………………………………..20

115/220 VAC…………………………………………..21

2

SPECIFICATIONS:

LOAD CELL A/D CONVERTER

TYPE: 24 bit delta sigma
EXCITATION: 5 VDC, 120 mA max.
SIGNAL INPUT: 16 mv
SENSITIVITY: 0.1 uV/grad
UPDATE RATE: 30 update/second

DISPLAY: Six (6) Decades, 0.6 inch LED

CONTROLS: "ZERO","GROSS/NET","TARE", “UNITS”, "PRINT"

POWER INPUT: 117/217 VAC, 50-60 HZ, 20 watts, fuse 0.25 A Slo-Blow.

SERIAL PORTS:
Port 1: RS232C or 20ma
Port 2: RS485, RS232C or 20mA.

ENCLOSURE: Stainless Steel, NEMA 4x, Tilt - Stand Base, 7lbs.

CASE: 10”(w) x 6.5”(h) x 4”(d)

OPTIONS:

TIME & DATE: 12/24 hr, battery backed.

ANALOG OUTPUT: 0-10v, 4-20ma (16 bit D/A).

DIO: 4 AC/DC – inputs, 4 AC outputs (SS Relays, 0.5 amp)

3

INSTALLATION

POWER WIRING:The indicator is designed to be operated from 117/217 VAC, 50-60 Hz. The

unit power cord must be plugged into a grounded 3 - wire polarized AC wall socket. All normal
wiring and grounding precautions should be observed, including use of a "clean" AC power
line.

SCALE WIRING:The unit is equipped with cable gland entry for load cell cable insertion and
internal (pluggable) terminal strip for 4 / 6 wire connection. Remove sense jumpers P11-8/7,
P11-6/5 for six wire.

Transformer

P12

F1

0.25A
SB

Line
Filter

1 2

A

J1

B

P5

Shielded
A/D Converter

8 7 6 5 P11

SW4

CAL

EW-1000 Rev…..

6 5 4 3 2 1 TB-1

Excitation +

Sense +

Excitation –

Sense -

Signal +
Signal -

4

Keypad:

ZERO GROSS TARE UNITS PRINT
NET

SETUP ACCESS

To access instrument configuration, calibration or to enable options, depress the “Zero” key for
five seconds.

The Audit Trail counters (“Pxxxx” and “Cxxxx”) are displayed first followed by access code
request (“AC?”). The initial factory setting is “0000” which can be entered with four steps of the
“Gross/Net” key (“AC0000”) and “Print”. If no entry is made, instrument returns to operate
mode.

The access code can be changed to any four digit combination during setup exit when display
again shows “AC?”. Use the Tare key to increment a digit and Gross/Net to shift the digit
position.

The display check feature is accessed during the initial entry point “AC?”, by a second step of
the “Zero” key. The software version “V 1.XX” will be displayed followed by a continuous
display test routine. Another step on the “zero” key returns to “AC?”.

Front panel access is inhibited if conventional “sealing” is applied by
setting jumper J1-1 in the B position. The board mounted “CAL” button is
then used for access.

After entry, use the “Gross/net” key to select a main menu; configuration (“SEL.CFG”),
calibration (“SEL.CAL”), or options (“SEL.OPX”).

The “Zero” key enters selected menu and is used to step through sub categories. Individual
parameter selection is made with the “Gross/Net” key, which then steps through the parameter
choices.

The “Print” key is used at any point to “back” up from categories to menus and to “save?” and
“AC?” and exit.

During the exit steps, if changes were made, the display is “save?” with alternate “no”. To save
changes, use the “Tare” key to select “yes” and “Print” to exit.

5

r

Calibration numeric entries are made with “Tare” key incrementing the flashing digit and the
“Gross/Net” key shifting the digit selection.

Menu Layout

CFG

CAL

OP1

OP2

OP3

OP5

OP6

OP8

Configuration: Divisions, count by, decimal, over
range, filter, AZM, zero range, ISM, lb/kg, serial port
selection, DIO enable

Calibration: Zero, Span

Analog Output: Gross, Net, Display; Zero, Span, Trim

Setpoint DIO: Setpoint, Over/Under, Manual / Auto Batch

Time & Date: 24 hr, 12 hr, Print format

10 Point Linearity, Filter selection

Totalize

AC/DC Battery

6

CONFIGURATION: “SEL.CFG” Use Zero to enter the menu and step to each category,
Gross/Net to select parameters. Print to return to menu selection.

Capacity is the combination of “1”, “2” and “3”.
Example: 1__100, 2___2 and 3__0.0 = 2,000 x 0.2 lb

Step Parameters Definition

1 5, 10, 15, 20…100, 120…1000

2 1, 2, 5, 10, 20, 50, and 100.

Number of divisions x100
100 = 10,000 divisions
Count by selection
10,000 divisions, count by 2 = 20,000

3 0, 0.0, 0.00, 0.000, and 0.0000 Decimal point selection

4 105P, 9 d (105% or 9 divisions) Overrange selection

5 1, 2, 3, 4, 5, 6, 8, 10, 12, 15…..90 Digital filter selection (averaging)

6 off, 0.5, 1, 3, 5, 10 (divisions) Auto Zero Maintenance (AZM)

7 1.9, 5, 10, 20, FS (% of capacity)

Zero range selection

1.9% of 2,000 x 0.2 = 38.0 lb

7.1 off, on (ISM) Zero’s scale on power-up

8 off, 1, 3, 5,10 (divisions) Motion Band selection

9 lb, kg, con Units selection and convert

Port 1 serial output selection

10 nt, Gtn, n.nt, n.Gtn.

nt display only, Gtn is Gross Tare Net
and n.nt/n.Gtn inhibit neg gross print

11 off, co, de Off, Continuous, or Demand

12 7o, 7E, 8n 7- odd, 7- even or 8- none

13 12, 24, 48, 96 Baud rate selection

14 off, 1, 2, 3, 5, 10, 15 (seconds)

19 A, b

Delay between lines or continuous
output.
A : adds “STX” in continuous
b : No “STX” in continuous

20 nt, Gtn, n.nt, n.Gtn Port 2 serial output selection

21 off, co, de, Ln Off, Continuous, Demand, Network

22 7o, 7E, 8n 7- odd, 7- even or 8- none

23 12, 24, 48, 96 Baud rate selection

24 off, 1, 2, 3, 5, 10, 15 (seconds)

Delay between lines or continuous
output.

25 1 – 16 (RS485/RS422) Network address selection

7

30 off, on DIO Inputs

Remote Serial Display (RSD) Option

In RSD mode the instrument can be set to work with another unit as a “remote” either as the
main or the slave unit. Communication is pre-set for channel two only on both units.
(RS232, 9600, 8, none)

When in remote mode, re-access to the following selections requires using the internal “cal”
switch.

Remote unit can have full or partial control of the main unit. Devices are available to replace
the cable for wireless communication.

rd.En : Selects Indicator as Remote

40 rd.OF, rd.En, rd.re

Display (RSD)
rd.re : Allows indicator to operate
w/RSD

41 En.On Allow remote keypad operation

42 Zr.On Enable/Disable zero key

43 tr.On Enable/Disable tare key

44 Un.On Enable/Disable unit key

45 Pr.On Enable/Disable print key

46 Fn.On Enable/Disable all other functions

8

CALIBRATION: “SEL.CAL” Use Zero to enter the menu indicated by a flashing “C” on the left
and live weight is displayed. Scale zero (dead load) or adjusting span (single or multi-point) are
independent. Therefore either can be done and repeated as necessary before exiting
calibration. If an error has been made, exit without “storing” will return to prior setup.

KEY (FUNCTION) DISPLAY Definition

(Live weight 123 lb) “C”__123 Cal mode scale reading

Zero (acquire dead load) “------“ to “C___0.0” acquires new dead load

(live weight 5000 lb) “C”__4995 Scale reading with load

Gross/Net (adjust span) 004995 freezes display for adjustment

Gross/Net (select digit) 00499”5” digit flashes

Tare (increments digit) 00499”0” Increments

Gross/Net (select digit) 0049”9”0 digit flashes

(Adjustment complete) 005000 adjusted value

Then with Print:

(adjust span) “------“ to “C” 5000 displays new span

Repeat as required then use Print to exit CAL.

“Save ?” “No” or “Save ?” “Yes” use Tare to select and Print to store “yes” with changes or
“no” to exit without changes.

Continue with Print to “Ent AC” which allows access code change by entering a new four digit
code and press again or skip with no entry.

Option 5 Ten point calibration: Allows up to 10 span points (pt1…….pt10). Zeroing the scale
clears the existing values. Points are assigned incrementally with error indication if the addition
is not above the prior point or exceeding scale capacity.
Filter selection included for rolling or box averaging.

5.1 OFF, On Enable 10 point span

5.2 A, b

A : Rolling average
B : Box average

9

SERIAL PORTS

Port 1: RS232 duplex (Rx,Tx), 20ma (Tx).
Port 2: RS232 duplex (Rx,Tx), 20ma (Rx,Tx), RS485, or RS422.
Note: Position jumper on J2 for Port 2 receive selection.

GND

Tx1, RS232

Rx1, RS232

Tx2, RS232

Rx2, RS232

Tx1, -20ma

Tx1,Tx2,+20ma (5 vdc)

Tx2, -20ma

Rx2,+20ma

Rx2, -20ma

B, RS485, RS422-Tx

A, RS485, RS422-Tx

B, RS422-Rx

A, RS422-Rx

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

O1

A-RS232
B-20ma
C-RS485
D-RS422

J2

Rx2

EW-1000 Rev…

10

Serial Communications

Remote Commands

<Z><cr> Zero Scale “Gross” mode, no motion, inside zero range.

<N><cr> Switch to Net “Gross” mode with Tare stored.

<G><cr> Switch to Gross “Net” mode.

<T><cr> Auto Tare Switch to Net, no motion, not at “Gross” zero.

<P><cr> Print Valid display, No motion

Data Formats

Demand Mode: <stx><pol><DATA><sp><lb/kg><sp><GR/NT><cr/lf>

Continuous Mode: <stx><pol><DATA><L/K><G/N><status><cr/lf>

Brackets “<>” are not sent

stx: “Start of Text” character (ASCII 002) (can be removed in continuous: config 19)

pol: Polarity sign, “SPACE” (ASCII 032) for positive or (-) sign (ASCII 045) for negative

sp: Space character (ASCII 032)

DATA: Seven (7) digit data field including decimal point or fixed (dummy) zero if selected.
“Leading Zero Suppression” with leading zeros transmitted as “space” characters.

lb/kg: Two (2) character field data identification for weight units, in demand (printer) mode.

Weight in lb = “lb” (ASCII 108,098), weight in kg = “kg” (ASCII 107,103)

L/K: One (1) character field data identification for weight units in continuous (computer)
mode.
Weight in lb = “L” (ASCII 076), weight in kg = “K” (ASCII 075)

GR/NT: Two (2) character field data identification for weighing mode in demand (printer)
mode.
Gross Mode = “GR” (ASCII 071,082), Net Mode = “NT” (ASCII 078,084)

11

G/N: One (1) character field data identification for weighing mode in continuous
(computer) mode.
Gross Mode = “G” (ASCII 071), Net Mode = “N” (ASCII 078)
status: One (1) character data identification used in the continuous (computer) output
mode to identify the status of the indicator. Characters are listed below in order of priority.

Calibration/configuration <D> (ASCII 068)
Over/Under Range <O> (ASCII 079)
Motion <M> (ASCII 077)
Center of Zero <C> (ASCII 067)
None of the above <sp>(ASCII 032)

cr/lf: Two (2) character field, “Carriage Return” (ASCII 013), “Line Feed” (ASCII 010)

Guidelines for Serial Output:

Demand format will inhibit “print” when scale is in “motion” or with negative “Gross” weight, even
in “Net” mode (based on setting “CFG 10”).

Local Network Protocol:

Command to the indicator:

<*><DD><00><cmd><data entry><CR>

Response from indicator:

<:><00><DD><cmd echoed><data resp><CR>

Where: (<,> brackets not sent)

* = Message from master (2AH)
DD = Indicators address

00 = Master address (fixed at 00)

CR = Message terminator (ODH)

: = Response from indicator (3AH)

cmd = Command to indicator
cmd ech = Command echoed from indicator
data ent = Data entered into indicator
data resp = Data response from indicator

12

OPTION 1: Analog Output

0 – 10 Vdc or 4 – 20 ma, select with jumpers J1 and J2

A

J1

B

1 2

Transformer

J1

V

I

P12

EW-1000-AOUT

P5

TB 20

1 2

- +

8 7 6 5 P11

F1

Line
Filter

0.25A
SB

J2

V

I

EW-1000 Rev…..

6 5 4 3 2 1 TB-1

- +

0 – 10 Vdc or 4 – 20 ma

Position J1 & J2 for V/I

13

Option 1 Analog Output: “SEL.OP1” Use Zero to enter the menu and step to each
category, Gross/Net to select parameters. Print to return to menu selection.

DISPLAY Parameters Definition

1.1__Gr Gr, Net, DSP Analog tracks gross, net or display

“1.5__Zr” “0.00” (flashes current analog starting point)

Gross/Net (select digit) 00000”0” digit flashes

Tare (increments digit) 0000”5” Increments

Gross/Net (select digit) 0000”2”5 digit flashes

(Adjustment complete) 000025 adjusted value

Print to adjust starting point.

“1.5__Zr” “0.25” (flashes current analog starting point)

“1.6__FS” “0.00” (flashes current analog span point)

Gross/Net (select digit) 00”0”000 digit flashes

Tare (increments digit) 00”5”000 Increments

(Adjustment complete) 005000 adjusted value

Print to adjust span point.

1.7__ZrA While monitoring the output, use Unit to decrease, Tare to increase the
analog reading (Zero trim digi-pot).

1.8__FSA While monitoring the output, use Unit to decrease, Tare to increase the
analog reading (Span Trim digi-pot).

Print to exit OP1.

14

J

OPTIONS 2: DIO

AC Inputs; D1, D2 are not installed, J1 = short (underside), J2 = open, R1 – R4 = 18k
(3w, 5%, flame proof).
DC Inputs; D1, D2 are installed, J1 = open (cut trace), J2 = short, R1 – R4 = 1.5k (1/2w,
5%, carbon film). AC Outputs; Solid State Relays, 120VAC, 0.5A

COM

COM

IN 1

IN 2

IN 3

IN 4

TB 30

1

2

3

4

5

J1

2

.

K1 OUT 1

K2 OUT 2

K3 OUT 3

K4 OUT 4

D1

EW-1000-DIO

P4

1

2

3

4

5

6

7

TB 31

-

15

Option 2 DIO: “SEL.OP2” First select the operating mode for “Setpoint”, “Over/Under”,
“Manual or Auto Batch”. After setup, the parameters for the selection are entered from
the weighing mode.
Use Gross/Net to enter the menu and step to each category, Tare Recall to select
parameters. ENT to return to menu selection.

Note: external Inputs are enabled in Configuration with “CFG 30”.
DIO Inputs can be configured for 120vac, 5vdc or dry contact.

IN 1 Gross/Net Stop

IN 2 Tare Start

IN 3 Zero Zero

IN 4 Print Print

DIO Outputs are 120vac (0.5 amp) or optional 24 vdc, based on operating mode:

Normal Batch

Dual Setpt 1 Setpt 2 Ov/Un Man B Auto B

Out 1 Setpt1-A Main 1 Main 1 Low Main 1 Main 1

Out 2 Setpt1-B Fast F1 Fast F1 Accept Fast F1 Fast F1

Out 3 Setpt2-A Tol Main 2 High Main 2 Main 2

Out 4 Setpt2-B Zero B Fast F2 Zero Zero Fast F2

Checkweigher “Bar” graph legends:

Ck1-3 Out Low Low Accept High Out High

Setpoint values are entered from “Weighing Mode” by the SET key and direct numeric
entry.
Weight errors of any kind (e.g., ol, ul, etc) will de-energize all relay outputs and abort a
batch if one is in progress.
Four outputs are available to use as two setpoints with main and fast feed, single
setpoint main and fast feed plus tolerance and zero band. Also Pre-Act can be applied
to the main, for material in-flight compensation.

16

Step Parameter Definition

2.0 OFF, SP, OU.UN, bAt1, bAt2

2.0 SP

2.2

2.3

2.4

2.6

2.7

2.8

2.10

2.11

Off, s1, s1.p, s1.d, s.p.d, Dual Setpoint. 1 + pre-act, + drib, + both, Set1-A&B.

Gr, nt, dSP, Count Setpoint 1 tracks Gross, Net, Display, Count

POS, ZER Output on below reading (POS), inverted (ZER)

Off, s2, s2.p, s2.d, s2.p.d, tOL,
Dual

Gr, nt, dSP, Count Setpoint. 2 + pre-act, + dribble, + both

POS, ZER Output on below reading (POS), inverted (ZER)

ZbO Zero band output (input weight value)

Off, On

SP1.trG (Target) = 1000

s.p.d

example

SP1.PrE (Pre-act) = 5
SP1.drb (Dribble) = 10

Mode select: setpoint, over/under (check
weighing), Manual Batch, Auto Batch

Setpoint

Setpoint. 2 + pre-act, + dribble, + both,
Tolerance, Set2-A&B.

Hysteresis, provides 3 grads to prevent relay
chatter
Main and Fast Feed are on until reading reaches
990, then Fast Feed turns off and Main continues
until Pre-act at 995

2.0 OU.UN

2.2

2.3

2.4

2.5

2.6

2.10

2.11

2.12

HL

example

Off, HL, tGt, Ck1, Ck2, Ck3

Gr, net, dSP Outputs track Gross, Net, Display

POS, ZER Invert low

POS, ZER Invert accept

POS, ZER Invert high

ZbO Zero band output (input weight value)

Off, On

Off, On Enables “Bar” graph legends

Low = 950
High = 1050
Target = 1000

tGt

example

Low = 50
High = 50

Over/Under – check weighing

High/Low band, Target and +/- band, Check
Weigher 1-3.

Hysteresis, provides 3 grads to prevent relay
chatter

Then low is on until 950, then accept is on until
1050 and high is on above 1050.

Outputs match above example for HL

17

Note: Batch printouts are from Port 1

only

2.0 Bat 1

2.1

2.2

2.3

2.4

2.6

2.7

2.8

2.10

2.0 Bat 2

2.1

Prn, tAr, dln

Off, s1, s1.p, s1.d, s.p.d Setpoint. 1 + pre-act, + dribble, + both

Gr, nt, dSP, Count Setpoint 1 tracks Gross, Net, Display, Count

POS, ZER Output on below reading (POS), inverted (ZER)

Off, s2, s2.p, s2.d, s2.p.d Setpoint. 2 + pre-act, + dribble, + both

Gr, nt, dSP, Count Setpoint. 2 + pre-act, + dribble, + both

POS, ZER Output on below reading (POS), inverted (ZER)

ZbO

Prn, tAr, dln

Manual Batch mode, pauses between setpoints

7400 uses print, tare or external (DIO) for start.
Pressing any key other than “start” will pause and
a second push will abort. 7600E uses Start/Stop
panel switch

Zero band output (input weight value), available if
S2 dribble not used

Auto Batch mode, continues without pause

7400 uses print, tare or external (DIO) for start.
Pressing any key other than “start” will pause and
a second push will abort. 7600E uses Start/Stop
panel switch

2.10

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

Off, s1, s1.p, s1.d, s.p.d Setpoint. 1 + pre-act, + dribble, + both

Gr, nt, dSP, Count Setpoint 1 tracks Gross, Net, Display, Count

POS, ZER Output on below reading (POS), inverted (ZER)

Off, 1, 2, 3, …., 10 Time Delay (settling) before print

Off, s2, s2.p, s2.d, s2.p.d Setpoint. 2 + pre-act, + dribble, + both

Gr, nt, dSP, Count Setpoint. 2 + pre-act, + dribble, + both

POS, ZER Output on below reading (POS), inverted (ZER)

Off, 1, 2, 3, …., 10 Time Delay (settling) before print

ZbO

Zero band output (input weight value), available if
S2 dribble not used

18

OP3 Time & Date

3.1

3.2

3.3

3.4

3.5

OP5

OP6

6.1

6.2

Option 6 Totalizer: Operates with “print” function in normal mode or batch mode.

In normal mode, current value is added to the totalizer with each “Print” command. The
reset band is used to inhibit a double add when not in Batch Mode.

View the Total with the “2” key and during the display (AC..XXXX), the “Print” key is
used to print the total, the “Ent” key returns to weigh mode.

The “Clear” key is used to clear the totalizer by first changing the message from
“Clr.ACC…no” to “Clr.ACC…yes” with the “Units” key and “Ent” to complete. A
“Cleared” message is provided for conformation.

Note: Totalizer works with port 1 only and the “Print” key is disabled when Batch Mode
and Totalizer are both enabled.

Option 8: AC/DC operation

---, 24H, 12A, 12P Skip time, 24 hour, 12 hour am, 12 hour pm

T1 Set time: hh mm ss

dA Set date: mm dd yy

Month print selection, short numerical

S.no, no, Let

Off, Un, Ab, On Print under, above or on the same line

10 Point Linearity On, Off see page 8

Totalizer

Off, On Enable Totalizer (operates with Batch or Print)

Off, 1……50 Totalizer reset band

(mm/dd/yy), number 01 thru 12, month spelled
out

8.1

8.2

Off, On Enables battery charger

Off, 5, 15, 30, 90, 120 Auto shutoff in minutes, timer resets with motion

19

DISPLAY MESSAGES

MESSAGE DESCRIPTION

DAC

IIC.ERR

RST

ON

AUTO

ERR6.x

-232-

UPDATE

LO.BATT

D BATT

ULULUL

OLOLOL

------

7x00
Err 10
Err 13

ADC.Err

CHECK

rC.xxxx

Err.80
Err.81

-CAL-

Err.OFF

RTC.RST

RST ID
AC OK
E-1234

Err 40
Err 31
Err 30

PC Err

D/A card detected - Displayed under the check function.
IIC short - Power-up hardware failure indication.
EEPROM is reset by EER command - Power-up message
Displayed on power-up when the DC power push-button is

pressed.
EEPROM is reset - Power-up message
Key-pad key is stuck.
Serial calibration/setup is active.
Enhancement calculation in progress.
Low battery
Dead battery
Under-load (-400 graduations under dead-zero)
Over-load (+9 graduations or 105% from dead-zero

reference)
A/D acquisition is in progress.
Instrument mode selection.
Number > 999999
Number < -99999
A/D hardware failure (channel one only).
Check mode accessed.
Lower four-digits of the ROM check-sum.
Serial command data error.
Unknown serial command.
Remote calibration
Hardware failure of the D.C. power on/off circuitry.
The clock is reset to 01:01:04 12:00:00am.
The ID EEPROM has been reset since it was detected as

corrupt.
Access code entered has been accepted.
EEPROM set 1,2,3, and/or 4 have been fixed.
Positive or negative signal overload (check sense

connections).
Bad tare entry
Push to Zero out of range
Piece Weight Entry is out of range

20

115 to 220 VAC Conversion : EW1000 Bottom Side

CUT CLAD
2-Places

ADD Jumper

21

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 which wear are not warranted, including but 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 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 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.

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.

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

FOR W

ARRANTY RETURNS, please have the

following information 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.

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.

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 2004 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.

M-4376/1006

Where Do I Find Everything I Need for

Process Measurement and Contr ol?

OMEGA…Of Course!

Shop online at www.omega.com

TEMPERA TURE

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Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies

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Wire: Thermocouple, RTD & Thermistor

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Calibrators & Ice Point References

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Recorders, Controllers & Process Monitors

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HEA TERS

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