Omega DP63200-RTD User guide

User’s Guide

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DP63200-RTD

Digital Panel RTD Meter

LP0698A

®

OMEGAnet

OMEGAnet

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

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

ISO 9001 Certified Stamford, CT 06907-0047

ISO 9001 Certified Stamford, CT 06907-0047

TEL: [phone] FAX: [phone]

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

e-mail: [email protected]

Canada: 976 Bergar

Canada: 976 Bergar

Laval (Quebec) H7L 5A1, Canada

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

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

e-mail: [email protected]

For immediate technical or application assistance:

For immediate technical or application assistance:

U.S.A. and Canada: Sales Service: 1-800-826-6342/1-800-TC-OMEGA

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

Customer Service: 1-800-622-2378/1-800-622-BEST
Engineering Service: 1-800-872-9436/1-800-USA-WHEN

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

Mexico: En Español: [phone]-7803 e-mail: [email protected]

Mexico: En Español: [phone]-7803 e-mail: [email protected]

FAX: [phone] [email protected]

FAX: [phone] [email protected]

®

Online Service

Online Service

omega.com

omega.com

Servicing North America:

Servicing North America:

Internet e-mail

Internet e-mail

[email protected]

[email protected]

®

®

®

®

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Servicing Europe:

Servicing Europe:

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

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

TEL: [phone] FAX: [phone]

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

Toll Free: 0800-1-66342
e-mail: [email protected]

e-mail: [email protected]

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

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

TEL: [phone] FAX: [phone]

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

Toll Free in Germany: 0800 639 7678
e-mail: [email protected]

e-mail: [email protected]

United Kingdom: One Omega Drive, River Bend Technology Centre

United Kingdom: One Omega Drive, River Bend Technology Centre
ISO 9002 Certified Northbank, Irlam, Manchester

ISO 9002 Certified Northbank, Irlam, Manchester

M44 5BD United Kingdom

M44 5BD United Kingdom
TEL: [phone] FAX: [phone]

TEL: [phone] FAX: [phone]
Toll Free in United Kingdom: 0800-488-488

Toll Free in United Kingdom: 0800-488-488
e-mail: [email protected]

e-mail: [email protected]

It is the policy of OMEGA Engineering, Inc. to comply with all worldwide safety and EMC/EMI

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

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.

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 accepts no liability for any

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.

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.

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

C

U

R

L

US LISTED

IND. CONT. EQ.

51EB

 ACCEPTS STANDARD 3-WIRE 100 Ω RTD SENSORS (ALPHA =

0.00385 or ALPHA = 0.00392)

 CONFORMS TO ITS-90 STANDARDS

 SELECTABLE °F OR °C WITH 0.1 OR 1 DEGREE DISPLAY

RESOLUTION

 STATE-OF-THE-ART DIGITAL ELECTRONICS FOR GREATER

ACCURACY AND RELIABILITY

 FULL 4-DIGIT, HIGH VISIBILITY, 0.56" (14.2 mm) HIGH RED LED

DISPLAY

 PROGRAMMABLE TEMPERATURE OFFSET

 PROGRAMMABLE DIGITAL FILTERING

 PEAK/VALLEY (HI/LO READING) MEMORY

 NEMA 4X/IP65 SEALED FRONT BEZEL

 CUSTOM UNITS OVERLAY WITH BACKLIGHT

GENERAL DESCRIPTION

The DP63200-RTD Meter accepts standard RTD inputs and precisely
linearizes them into temperature readings. A full 4-digit display accommodates a
wide range of temperature inputs. State-of-the-art digital circuitry virtually
eliminates errors due to drift.

The meter features a readout choice of either Fahrenheit or Celsius with 0.1 or
1 degree resolution. English Style display prompts and front panel buttons aid the
operator through set-up and operation. Programmable digital filtering enhances
the stability of the reading. All set-up data is stored in E2PROM, which will hold
data for a minimum of 10 years without power.

The meter provides a Peak (HI) and Valley (LO) reading memory with
selectable capture delay time. The capture delay is used to prevent detection of
false Peak or Valley readings that may occur during start-up or unusual process
events. The Peak and Valley readings are stored at power-down to allow
monitoring the process limits over any length of time (shifts, days, etc.).

The meter has several built-in diagnostic functions to alert operators of any
malfunction. Extensive testing of noise interference mechanisms and full burn-in
makes the meter extremely reliable in industrial environments. The front bezel
meets NEMA 4X/IP65 requirements for wash down applications.

SAFETY SUMMARY

All safety related regulations, local codes and instructions that appear in the
literature or on equipment must be observed to ensure personal safety and to
prevent damage to either the instrument or equipment connected to it. If
equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired. Do not use this unit to directly
command motors, valves, or other actuators not equipped with safeguards. To
do so, can be potentially harmful to persons or equipment in the event of a fault
to the unit.

CAUTION: Risk of Danger

Read complete instructions prior to

installation and operation of the unit.

DEFINITION OF TERMS

INSTALLATION CATEGORY (overvoltage category) I:

Signal level, special equipment or parts of equipment, telecommunication,
electronic, etc. with smaller transient overvoltages than Installation
Category (overvoltage category) II.

INSTALLATION CATEGORY (overvoltage category) II:

Local level, appliances, portable equipment, etc. with smaller transient
overvoltages than Installation Category (overvoltage category) III.

CAUTION: Risk of electric shock.

DIMENSIONS In inches (mm)

C

8.8.8.8

PAR

3.80

(96.5)

1.95

(49.5)

.10

(2.5)

Note: Recommended minimum clearance (behind the panel) for mounting clip installation is

2.1" (53.4) H x 5" (127) W.

1.75

(44.5)

4.10

(104.1)

3

1

5

6

2

3

7

8

9

4

10

3.60 (91.4)

1.75

(44.5)

table of contentS

General Meter Specifications . . . . . . . . . . . . . 4

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Installing the Meter . . . . . . . . . . . . . . . . . . . . . 5

Wiring the Meter . . . . . . . . . . . . . . . . . . . . . . . 5

Reviewing the Front Buttons and Display . . . .6

Programming the Meter. . . . . . . . . . . . . . . . . . 7

Calibrating the Meter . . . . . . . . . . . . . . . . . . . . 8

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .8

General Meter SpecificationS

1. DISPLAY: 4-digit, 0.56" (14.2 mm) high LED, minus sign displayed for
negative temperatures.

Overrange/Underrange Input: Flashing “” or “”
Overrange/Underrange Display: “   ” or “   ”

2. POWER: 85 to 250 VAC, 50/60 Hz, 6 VA
Isolation: 2300 Vrms for 1 min. between input and supply (300 V working

voltage)

3. CONTROLS: Three front panel push buttons for meter set-up. Rear terminal
input for disabling the front panel.

4. RESOLUTION: 0.1 or 1 degree

5. RANGE: Decimal Point Dependent

0.1° res: -199.9° to 850.0 °C (-199.9° to 999.9 °F);
1° res: -200° to 850 °C (-328° to 1562 °F)

6. OPEN/SHORTED RTD DETECTION: Display flashes: “” or “”

7. LEAD RESISTANCE EFFECT: 20 Ω max., 2.5 °C/Ω error for V exc. and
common lead unbalance

8. ACCURACY: 0.3 °C, @ 23 °C and 30 min. warm-up

9. READING RATE: 2.5 readings/second

10. RESPONSE TIME: 2 seconds to settle for step input (increases with
programmable digital filtering)

11. LOW FREQUENCY NOISE REJECTION:
Normal Mode Rejection: 40 dB @ 50/60 Hz (may be improved by
programmable digital filtering)
Common Mode Rejection: 120 dB, DC to 50/60 Hz

12. CERTIFICATIONS AND COMPLIANCES:

SAFETY

UL Recognized Component, File # E70366, UL61010-1, CSA C22.2 No. 61010-1

Recognized to U.S. and Canadian requirements under the Component
Recognition Program of Underwriters Laboratories, Inc.

UL Listed, File # E313547, UL508, CSA C22.2 No. 14-M95

LISTED by Und. Lab. Inc. to U.S. and Canadian safety standards
Type 4X Enclosure rating (Face only), UL50
IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment

for measurement, control, and laboratory use, Part 1.

IP65 Enclosure rating (Face only), IEC 529

ELECTROMAGNETIC COMPATIBILITY

Emissions and Immunity to EN 61326: Electrical Equipment for Measurement,

Control and Laboratory use.

Immunity:

Emissions:

Note: 

1. Criterion A: Normal operation within specified limits.

13. ENVIRONMENTAL CONDITIONS:
Operating Temperature Range: 0 to 50 °C
Storage Temperature Range: -40 to 80 °C
Operating and Storage Humidity: 85% max (non-condensing) from 0 to

50 °C

Span Drift: 50 ppm/ °C
Zero Drift: 0.001 °C/°C
Vibration According to IEC 68-2-6: Operational 5 to 150 Hz, in X, Y, Z

direction for 1.5 hours, 2 g.

Shock According to IEC 68-2-27: Operational 30 g, 11 msec in 3 directions.
Altitude: Up to 2000 meters.

14. CONSTRUCTION: This unit is rated for NEMA 4X/IP65 indoor use. One
piece bezel/case. Flame resistant. Panel gasket and mounting clip included.

15. CONNECTIONS: High compression cage-clamp terminal block
Wire Strip Length: 0.3" (7.5 mm)
Wire Gage: 30-14 AWG copper wire
Torque: 4.5 inch-lbs (0.51 N-m) max.

16. WEIGHT: 0.65 lbs. (0.24 Kg)

Criterion AEN 61000-4-2Electrostatic discharge
4 kV contact discharge
8 kV air discharge
Criterion AEN 61000-4-3Electromagnetic RF fields
10 V/m
Criterion AEN 61000-4-4Fast transients (burst)
2 kV power
2 kV signal
Criterion AEN 61000-4-5Surge
1 kV L-L,
2 kV L&N-E power
1 kV signal
Criterion AEN 61000-4-6RF conducted interference
3 V/rms
Criterion AEN 61000-4-11Voltage dip/interruptions

0.5 cycle

Class BEN 55011Emissions

acceSSorieS

UNITS LABEL KIT

Each meter has a units indicator with backlighting that can be customized using

the Units Label Kit. The backlight is controlled in the programming.

Each meter is shipped with °F and °C overlay labels which can be installed into

the meter’s bezel display assembly.

4

1.0 inStallinG the Meter

Installation

The DP63200 meets NEMA 4X/IP65 requirements when properly installed.
The unit is intended to be mounted into an enclosed panel. Prepare the panel
cutout to the dimensions shown. Remove the panel latch from the unit. Slide the
panel gasket over the rear of the unit to the back of the bezel. The unit should
be installed fully assembled. Insert the unit into the panel cutout.

PANEL

BEZEL

LATCHING
SLOTS

PANEL
LATCH

While holding the unit in place, push the panel latch over the rear of the unit
so that the tabs of the panel latch engage in the slots on the case. The panel latch
should be engaged in the farthest forward slot possible. To achieve a proper seal,
tighten the latch screws evenly until the unit is snug in the panel (Torque to
approximately 7 in-lbs [79N-cm]). Do not over-tighten the screws.

Installation Environment

The unit should be installed in a location that does not exceed the maximum
operating temperature and provides good air circulation. Placing the unit near
devices that generate excessive heat should be avoided.

The bezel should be cleaned only with a soft cloth and neutral soap product.
Do NOT use solvents. Continuous exposure to direct sunlight may accelerate the
aging process of the bezel.

Do not use tools of any kind (screwdrivers, pens, pencils, etc.) to operate the
keypad of the unit.

LATCHING
TABS

PANEL
GASKET

PANEL
MOUNTING
SCREWS

2.0 WirinG the Meter

POWER WIRING

Primary AC power is connected to Terminals 1 and 2. To reduce the chance of
noise spikes entering the AC line and affecting the indicator, the AC power should
be relatively “clean” and within the specified limits. Drawing power from heavily
loaded circuits or circuits that also power loads that cycle on and off (contactors,
relays, motors, machinery, etc.) should be avoided.

AC Power

Terminal 1: VAC
Terminal 2: VAC

SIGNAL WIRING (RTD SENSOR)

RTD sensors are used in applications where a high degree of accuracy is
required. Most RTD sensors available are the 3-wire type. The 3rd additional
wire is a sense lead for canceling the effects of lead resistance at the probe. The
sense lead connects to Terminal 5 (RTD+), the common lead to Terminal 6
(RTD-), and the excitation lead to Terminal 4 (+ Excitation). The excitation and
sense leads are generally the same color because they are functionally the same
and may be interchanged at the meter. Four wire sensors have an additional
sense lead connected (at the probe) to the common lead. Leave the extra sense
lead disconnected when using a four wire probe with the DP63200 meter.
Always refer to the sensor manufacturer ’s instructions for probe wiring
connections, if available. Two wire RTD sensors may be used with the DP63200
by shorting Terminal 4 to Terminal 5, if the distance between sensor and meter
is less than 30 feet. The total lead resistance can be used to predict the
temperature error for 2-wire sensors, according to 2.5°C/Ω of lead resistance.

Note: Extended cable runs  can be made  provided the lead resistance is less 
than 20 Ω/lead and the resistance is equal in each lead.

3-Wire RTD

AC

1 2

AC

2-Wire RTD

PANEL CUT-OUT

+.03

3.62

-.00

+.8

(92 )

-.0

+.02

1.77

-.00

+.5

(45 )

-.0

PROGRAM DISABLE INPUT WIRING

PGM.DIS. (Terminal 3) is a digital input that is active when connected to RTD­(Terminal 6). Any form of mechanical switch or current sinking logic with less
than 0.7 V saturation may be used. The use of shielded cable is recommended.
Follow the EMC Installation Guidelines for shield connection.

RTD-

PGM.DIS.

3 6

WIRING OVERVIEW

Electrical connections are made via screw-clamp terminals located on the
back of the meter. All conductors should conform to the meter’s voltage and
current ratings. All cabling should conform to appropriate standards of good
installation, local codes and regulations. It is recommended that the power
supplied to the meter be protected by a fuse or circuit breaker.

When wiring the meter, compare the numbers embossed on the back of the
meter case against those shown in wiring drawings for proper wire position. Strip
the wire, leaving approximately 0.3" (7.5 mm) bare lead exposed (stranded wires
should be tinned with solder). Insert the lead under the correct screw-clamp
terminal and tighten until the wire is secure. (Pull wire to verify tightness.)

EXCITATION

RTD+

5 6

4

RTD (Excitation)

RTD-

Sense Lead

EXCITATION

RTD+

RTD-

5 6

4

Sense Lead

Jumper

5

EMC INSTALLATION GUIDELINES

Although this meter is designed with a high degree of immunity to Electro­Magnetic Interference (EMI), proper installation and wiring methods must be
followed to ensure compatibility in each application. The type of the electrical
noise, source or coupling method into the meter may be different for various
installations. The meter becomes more immune to EMI with fewer I/O
connections. Cable length, routing, and shield termination are very important
and can mean the difference between a successful or troublesome installation.
Listed below are some EMC guidelines for successful installation in an
industrial environment.

1. The meter should be mounted in a metal enclosure, which is properly

connected to protective earth.

2. Use shielded (screened) cables for all Signal and Control inputs. The shield

(screen) pigtail connection should be made as short as possible. The

connection point for the shield depends somewhat upon the application.

Listed below are the recommended methods of connecting the shield, in order

of their effectiveness.

a. Connect the shield only at the panel where the unit is mounted to earth

ground (protective earth).

b. Connect the shield to earth ground at both ends of the cable, usually when

the noise source frequency is above 1 MHz.

c. Connect the shield to common of the meter and leave the other end of the

shield unconnected and insulated from earth ground.

3. Never run Signal or Control cables in the same conduit or raceway with AC

power lines, conductors feeding motors, solenoids, SCR controls, and

heaters, etc. The cables should be run in metal conduit that is properly

grounded. This is especially useful in applications where cable runs are long

and portable two-way radios are used in close proximity or if the installation

is near a commercial radio transmitter.

4. Signal or Control cables within an enclosure should be routed as far as possible
from contactors, control relays, transformers, and other noisy components.

5. In extremely high EMI environments, the use of external EMI suppression
devices, such as ferrite suppression cores, is effective. Install them on Signal
and Control cables as close to the unit as possible. Loop the cable through the
core several times or use multiple cores on each cable for additional protection.
Install line filters on the power input cable to the unit to suppress power line
interference. Install them near the power entry point of the enclosure. The
following EMI suppression devices (or equivalent) are recommended:

Ferrite Suppression Cores for signal and control cables:

Fair-Rite # 0443167251)
TDK # ZCAT3035-1330A
Steward # 28B2029-0A0

Line Filters for input power cables:

Schaffner # FN610-1/07
Schaffner # FN670-1.8/07
Corcom # 1 VR3

Note: Reference manufacturer’s instructions when installing a line filter.

6. Long cable runs are more susceptible to EMI pickup than short cable runs.
Therefore, keep cable runs as short as possible.

3.0 revieWinG the front buttonS and diSplay



PAR

PAR





PEAK/VALLEY DETECTION

The meter will automatically record the highest input reading (peak) and the
lowest input reading (valley) for later recall. These values are stored at power­down to allow monitoring the process limits over any length of time (shifts, days,
etc.). A selectable capture delay time is used to prevent detection of false peak or
valley readings caused by sudden short spikes or unusual process events.

The peak and valley readings can be viewed and reset using the front panel
keys as described below.

View Peak, Valley and Input readings:

To view Peak, press . Meter displays  followed by the Peak reading.
To view Valley, press . Meter displays  followed by the Valley reading.
To view Input, press PAR. Meter displays  followed by the current

Input reading.

Note: The decimal point to the right of digit 1 flashes while the peak or valley 

reading is displayed.

Access Programming Mode or Display Input Reading

Display Peak (HI) Reading

Display Valley (LO) Reading

PROGRAMMING MODE OPERATIONDISPLAY MODE OPERATIONKEY

Store selected parameter and index to next parameter

Increment value or change selection

Decrement value or change selection

Reset Peak and/or Valley to the current Input reading:

To reset Peak and Valley, press  and  simultaneously.
To reset Peak only, press and hold  then press PAR.
To reset Valley only, press and hold  then press PAR.

In each case, the meter displays  followed by the current Input reading.

C

6

4.0 proGraMMinG the Meter

TEMPERATURE

PAR

DISPLAY





RTD

Type

PAR



Temperature

Scale

PROGRAMMING SEQUENCE

PAR

Decimal Point

PAR

 

Temperature

Position

Display Offset

PAR



Digital Input

Filtering

PAR



Peak/Valley

Capture Time

PAR



Units Label

Backlight

PAR PAR



Calibration
Mode Entry

TEMPERATURE

DISPLAY



The RTD Meter has seven programmable parameters that are entered in the

sequence shown above, using the front panel push buttons.

The last programming step offers the choice of entering calibration mode.
From this mode, the user can restore the meter to factory default settings or
recalibrate the signal input if necessary. To prevent inadvertent entries, an
access code must be keyed-in to perform any operations in calibration mode.

Note: Programming mode can be locked out using the Program Disable input 
terminal. With the  PGM.DIS.  terminal  connected  to  RTD-,  the meter  displays 
“” when the PAR key is pressed, and will not enter programming mode.

PROGRAMMING MODE ENTRY

Press the PAR key to enter Programming Mode. The meter briefly displays

 followed by the first programming parameter described below.

PROGRAMMING MODE TIMEOUT

The Programming Mode has an automatic timeout feature. If no keypad
activity is detected for approximately 60 seconds, the meter automatically exits
Programming Mode. The meter briefly displays  and returns to the normal
display mode. When automatic timeout occurs, any changes that were made to
the parameter currently being programmed will not be saved.

PROGRAMMING PARAMETERS

In Programming Mode, the display alternates between the parameter and the
current selection or value for that parameter. The dual display with arrows is
used below to illustrate the alternating display. The selection choices or value
range for each parameter is shown to the right of the alternating display.

RTD TYPE







Select the RTD type by pressing the up or down arrow keys ( or ). When
the desired selection is displayed, press the PAR key to save the selection and
advance to the next parameter.



Select the desired temperature scale by pressing the up or down arrow keys.
This setting does not change the Custom Units Overlay display (if installed).
Press the PAR key to save the selection and advance to the next parameter.



Select the decimal point position by pressing the up or down arrow keys. This
sets the display resolution to 1 or 0.1 degree. Press the PAR key to save the
selection and advance to the next parameter.



The temperature display can be corrected with an offset value. This can be used
to compensate for probe errors or errors due to variances in probe placement, or
to adjust the readout to a reference thermometer. Set the desired display offset
value by pressing (and/or holding) the up or down arrow keys. When the desired
offset value is displayed, press the PAR key to save the selection and advance to
the next parameter. The display resolution for the offset value is the same as the
decimal point position programmed above.

















TEMPERATURE DISPLAY OFFSET





 

TEMPERATURE SCALE

 

DECIMAL POINT POSITION

 

 to 

DIGITAL FILTERING





This parameter sets the amount of digital filtering applied to the input signal.
If the temperature display is difficult to read due to small variations or noise,
increased levels of filtering will help to stabilize the display. Although the
digital filter features a “moving window” to help minimize response time,
higher levels of filtering will result in slightly longer response times.



  



 - no digital filtering  - increased filtering
 - normal filtering  - maximum filtering

Set the desired level of input filtering by pressing the up or down arrow keys.
Press the PAR key to save the selection and advance to the next parameter.

PEAK (HI)/ VALLEY (LO) CAPTURE DELAY TIME







  seconds



UNITS LABEL BACKLIGHT





 

PROGRAMMING MODE EXIT

 







When the Input display is above the present HI value or below the present
LO value for the entered delay time, the meter will capture the Input display as
the new HI or LO reading. A delay time helps to avoid false captures of sudden
short spikes or Input display variations that may occur during start-up.

Set the desired capture delay time by pressing the up or down arrow keys.
Press the PAR key to save the selection and advance to the next parameter.





The Units Label Kit Accessory contains a sheet of custom unit overlays,
which can be installed in the meter bezel display assembly. The unit of measure
for the meter display is then visible when the label backlight is illuminated. The
two most commonly used temperature unit labels (°F and °C) are supplied with
the meter. Press the up or down arrow keys to select whether the units label
backlight is illuminated. Press the PAR key to save the selection and advance
to the next parameter.



Before exiting Programming Mode, The meter offers the choice of entering
Calibration Mode. To exit Programming Mode without entering Calibration
Mode, select  and press the PAR key. The meter briefly displays  and
returns to the normal display mode. All programmed selections are now
transferred to non-volatile memory and are retained if power is removed from
the meter.

(If power loss occurs during Programming Mode, verify parameter changes
and reprogram, if necessary, when power is restored.)

7

5.0 calibratinG the Meter

CALIBRATION MODE





of Programming Mode, and press the PAR key. In Calibration Mode, the user
can restore the meter to factory default settings or recalibrate the signal input if
necessary.

To prevent inadvertent entries, an access code must be entered to perform any
operation in Calibration Mode. Upon entering Calibration Mode, the meter
initially displays Code 50. Press the up or down arrow keys to select the access
code for the desired operation. If an access code other than those shown below



 to 



To enter Calibration Mode, select  < >  at the end

FACTORY SETTINGS





The factory settings for the programming parameters are shown in the
previous section in the alternating display illustrations. All programming
parameters can be restored to the factory default settings by entering the access
Code 66 and pressing the PAR key. The meter briefly displays  and then
returns to Code 50. This procedure resets only parameters that are accessed
through Programming Mode. The Calibration Mode settings (input calibration
levels) are not affected.



is entered, the meter exits Calibration Mode and returns to
normal display mode.



METER INPUT CALIBRATION





meter appears to be indicating incorrectly or inaccurately, refer to the
troubleshooting section before attempting this procedure. When re-calibration
is required (generally every 2 years), the procedure should only be performed
by qualified technicians using appropriate equipment. Resistance source
accuracies of 0.02% or better are required.

The procedure consists of applying accurate signal levels to the meter input
in a series of two steps. Allow a 30-minute warm-up period before starting
calibration. To begin the input calibration, enter access Code 48 and press the

PAR key.

ENTER ZERO REFERENCE

Meter displays . Apply 0 ohms to the meter input by shorting Terminals 4,
5, and 6. Allow the meter to stabilize at least 20 seconds after shorting the
terminals, and then press PAR.

APPLY PRECISION RESISTANCE

Meter displays . Connect a precision 300 ohm resistor across Terminals
5 and 6. Terminals 4 and 5 remain shorted. (Note: Be certain to short Terminals

4 and 5  at the  resistor as shown  in the drawing below. Shorting terminals may 
lead to incorrect calibration.)





The meter has been fully calibrated at the factory. If the

4

5

6

300 Ω

Allow the meter to stabilize at least 20 seconds after making the connections,
and then press PAR. The meter briefly displays  and returns to the normal
display mode. Calibration is now complete. It is recommended to check
calibration by comparing the displayed temperature with a precision thermometer.

TROUBLESHOOTING

The majority of all problems with the meter can be traced to improper connections or improper programming set-ups. Be sure all connections are

clean and tight and check the programming set-ups for correct data.

For further technical assistance, contact technical support at the appropriate company numbers listed.

PROBLEM POSSIBLE CAUSE REMEDIES

NO DISPLAY 1. Power off, improperly connected, or brown-out.

“” IN DISPLAY
“   ” or “   ” IN DISPLAY

DISPLAY WANDERS 1. Loss of data set-ups.

JITTERY DISPLAY

“” IN DISPLAY

“” IN DISPLAY

1. Program data error. 1. Press PAR and check data set-ups.

1. Input display out of range.

2. Loss of data set-ups.

1. Electrical “Noise” in process or sensor lines.

2. Process inherently unstable.

1. Probe unconnencted.

2. Broken or burnout probe.

3. Excessive probe temperature.

4. Input overload.

1. Input shorted. 1. Check input connections.

1a. Check wiring.
1b. Verify power.

1a. Change display resolution to “1” degree.
1b. Reduce offset value.
2a. Check data set-ups.
2b. Check for electrical disturbance.
2c. Disconnect and reconnect power.

1a. Check data set-ups.
1b. Disconnect and reconnect power.
1c. Check for electrical disturbance.

1a. Increase digital filtering.
1b. Re-route signal wires.

2. Dampen process to eliminate oscillations.

1. Connect probe.

2. Repair or obtain new probe.

3. Reduce temperature.

4. Check input levels.

8

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9

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10

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.

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 WARRANTY 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.

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 2006 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.

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.

Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA…Of Course!

Shop online at omega.com

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M4490/0811