Omega Weather Radio DP26 TC User Manual

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DP2 6 -TC

Differential Temperature

Meter with Thermocouple

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SECTION 1. INTRODUCTION

1.1 UNPACKING

Remove the Packing List and verify that all equipment has been received. If

there are any questions about the shipment, use the phone numbers listed on

the back cover to contact the Customer Service Department nearest you.

Upon receipt of shipment, inspect the container and equipment for any signs of

damage. Take particular note of any evidence of rough handling in transit.

Immediately report any damage to the shipping agent.

The carrier will not honor any claims unless all shipping material

is saved for their examination. After examining and removing

contents, save packing material and carton in the event

reshipment is necessary.

Verify that you receive the following items in the shipping box:

QTY

DESCRIPTION

Differential THermocouple Meter with all applicable connectors

attached.

Owner's Manual

Set Mounting brackets

QuickStart Manual

If you ordered any of the available options (except the "BL"

Blank Lens option), they will be shipped in a separate container

to avoid any damage to your indicator/controller.

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1.2 SAFETY CONSIDERATIONS

This device is marked with the international caution symbol. It is important

to read this manual before installing or commissioning this device as it contains

important information relating to Safety and EMC (Electromagnetic

Compatibility).

This instrument is a panel mount device protected in accordance with EN

61010-1:2001, electrical safety requirements for electrical equipment for

measurement, control and laboratory. Installation of this instrument should be

done by qualified personnel. In order to ensure safe operation, the following

instructions should be followed.

This instrument has no power-on switch. An external switch or circuit-

breaker shall be included in the building installation as a disconnecting device.

It shall be marked to indicate this function, and it shall be in close proximity to

the equipment within easy reach of the operator. The switch or circuit-breaker

shall not interrupt the Protective Conductor (Earth wire), and it shall meet the

relevant requirements of IEC 947–1 and IEC 947-3 (International

Electrotechnical Commission). The switch shall not be incorporated in the main

supply cord.

Furthermore, to provide protection against excessive energy being drawn

from the main supply in case of a fault in the equipment, an overcurrent

protection device shall be installed.

•

Do not exceed voltage rating on the label located on the top of the

instrument housing.

•

Always disconnect power before changing signal and power connections.

Do not use this instrument on a work bench without its case for safety

reasons.

•

Do not operate this instrument in flammable or explosive atmospheres.

Do not expose this instrument to rain or moisture.

Unit mounting should allow for adequate ventilation to ensure instrument

does not exceed operating temperature rating.

•

Use electrical wires with adequate size to handle mechanical strain and

power requirements. Install without exposing bare wire outside the

connector to minimize electrical shock hazards.

EMC Considerations

•

Whenever EMC is an issue, always use shielded cables.

Never run signal and power wires in the same conduit.

Use signal wire connections with twisted-pair cables.

Install Ferrite Bead(s) on signal wires close to the instrument if EMC

problems persist.

Failure to follow all instructions and warnings may result in injury!

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SECTION 2. ABOUT THE METER

2.1 DESCRIPTION

The Differential Temperature meter with thermocouple is a value packed

indicator/ controller. Four full digits allow for an accurate display of your

temperature. Select from J, K, T or DIN J thermocouple types. Your

meter may be a basic indicator or it may include analog output or dual

relay output. Analog or dual relay output must be ordered at time of

purchase. Analog output is fully scalable and may be configured as a

proportional controller, or to follow your display. Dual 5 amp, form C

relays control critical processes. Front panel peak detection and memory

is also standard.

2.2 STANDARD FEATURES

The following is a list of features:

4-digit, red, 14 segment LED Display

NEMA 4/Type 4 Front Bezel

0.5 °C accuracy

Cross channel isolation up to 5V

Match Capability

Automatic Decimal Adjustment

Non-volatile memory-no battery backup

115 or 230 Vac 50/60 Hz power supply or

10-32 Vdc or 26-56 Vdc

T1, T2, T1-T2 display

OPTIONAL FEATURES

Dual 5 amp, form C relay outputs

Scalable analog output

Analog out proportional control

Front-panel deviation correction

Easy setup for proportional control

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2.5 BACK OF THE METER

Figure 2-2 shows the connector label mounted at the top of the meter

housing. Table 2-2 gives a brief description of each connector at the back

of the meter.

Figure 2-2 Connector Label (ac power with dc detail)

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3.3 PANEL MOUNTING

PANEL

CUT-OUT

"NEW" STYLE

MOUNTING

BRACKET

CONNECTOR

LABEL

PRODUCT

LABEL

CASE

"OLDER" STYLE

MOUNTING

BRACKET 2 PCS

GASKET

FRONT BEZEL

Figure 3-3 Meter - Exploded VIew

1. Cut a hole in your

panel, as shown in

Figure 3-3. For

specific

dimensions refer to

Figure 3-4.

2. Insert the meter

into the hole.

Be sure the front

bezel gasket is

flush to the panel.

3. Slide on mounting

bracket to secure.

4. Proceed to Section

3.4 to connect your

sensor input and

main power.

Figure 3-4 Panel Cut-Out

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SECTION 13. SPECIFICATIONS (continued)

ALARM OUTPUTS

(if applicable)

2 Form "C" on/off relays. Configurable for latched and

unlatched by software.

Max current: 5 AMPS, resistive load

Max voltage: 250 Vac or 30 Vdc

ENVIRONMENT

AC units

115/230 V~(AC) + 10%, 50/60 Hz

7 W max, power consumption (Non-Isolated Analog Out)

8 W max, power consumption (Isolated Analog Out)

DC units

10-32 Vdc or 26-56 Vdc,

6 W max, power consumption (Non-Isolated Analog Out)

7 W max, power consumption (Isolated Analog Out)

External Fuse Required:

IEC 127-2/III

Power

115 V

230 V

Fuse

125 mA @ 250 (T)

63 mA @ 250 (T)

UL 248-14 (Listed Fuse)

Power

115 V

230 V

Fuse

175 mA @ 250 V Slow-Blow

80 mA @ 250 V Slow-Blow

ENVIRONMENT

Operating temperature:

0° to 50°C (32° to 122°F)

(115/230 V rms + 10%)

Storage temperature:

Relative humidity:

-40° to 85°C (-40° to 185° F)

90% at 40°C (non-condensing)

MECHANICAL

Panel cutout:

Weight:

1/8 DIN 3.62 x 1.78" (45 x 92mm)

1.27 lb (575 g)

Case material:

Protection:

Polycarbonate, 94 V-O UL rated

NEMA-4/Type 4 Front BezeL

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SECTION 13. SPECIFICATIONS (continued)

48,0 (1.89)

96,0 (3.78)

FRONT BEZEL

20,3 (.80)

RETAINER

CASE

REAR COVER

TOP VIEW

SIDE VIEW

Figure 13-1 Meter Dimensions

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SECTION 14. FACTORY PRESET VALUES

Table 14-1. Factory Preset Values

MENU ITEM

FACTORY PRESET VALUES

INPT

Input Type: K.TC (Type K T/C)

Decimal Point Position: FFF.F

Reading Configuration:

DEC.P

RD.CF

R.1=F (Fahrenheit)

R.2=D (Shows deviation in “RUN” mode)

Setpoint 1 Configuration:

S1.CF

S2.CF

S.1=A (Setpoint is active above)

S.2=U (Setpoint is unlatched)

S.3=0 (Setpoint 1 assigned to T1 - T2)

Setpoint 2 Configuration:

S.1=A (Setpoint is active above)

S.2=U (Setpoint is unlatched)

S.3=0 (Setpoint 2 assigned to T1 - T2)

Setpoint 1 Deadband: 3.0

S1.DB

S2.DB

OT.CF

Setpoint 2 Deadband: 3.0

Output Configuration:

O.1=E (Analog output is enabled)

O.2=C (Analog output is current)

O.3=A (Analog output follows the display value)

Analog Output Routing: T1 - T2

Output Scale and Offset:

OUT

OT.S.O

0-1000 = 4-20 mA dc

C.OF.1

Cold Junction Offset for T1: 000.0

Cold Junction Offset for T2: 000.0

Setpoint 1 Value: 000.0

SP1

SP2

Setpoint 2 Value: 000.0

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CE APPROVALS INFORMATION

This product conforms to the EMC directive 89/336/EEC amended by

93/68/EEC, and with the European Low Voltage Directive 72/23/EEC.

Electrical Safety EN61010-1:2001

Safety requirements for electrical equipment for measurement, control and

laboratory.

Double Insulation

Pollution Degree 2

Dielectric withstand Test per 1 min

• Power to Input/Output:

(Low Voltage dc Power Option*)

2300 Vac (3250 Vdc)

500 Vac (720 Vdc)

• Power to Relays Output:

• Relay 1 to Relay 2:

• Isolated Analog to Inputs:

• Analog to Inputs:

2300 Vac (3250 Vdc)

1000 Vac (1420 Vdc)

No Isolation

Measurement Category I

Category I are measurements performed on circuits not directly connected to the

Mains Supply (power). Maximum Line-to-Neutral working voltage is 50 Vac/dc.

This unit should not be used in Measurement Categories II, III, IV.

Transients Overvoltage Surge (1.2 / 50uS pulse)

• Input Power:

(Low Voltage dc Power Option*)

2500 V

500 V

• Isolated Analog:

• Input/Output Signals:

500 V

Note: *Units configured for external low power dc voltage, 10-32 Vdc (Basic Insulation)

EMC EN61326:1997 + and A1:1998 + A2:2001

Immunity and Emissions requirements for electrical equipment for measurement,

control and laboratory.

• EMC Emissions Table 4, Class B of EN61326

• EMC Immunity** Table 1 of EN61326

Note: **I/O signal and control lines require shielded cables and these cables

must be located on conductive cable trays or in conduits. Furthermore,

the length of these cables should not exceed 30 meters

Refer to the EMC and Safety installation considerations (Guidelines) of this manual

for additional information.

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WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of

one (1) year from the date of purchase. In addition to OMEGA’s standard warranty period, OMEGA Engineering will

extend the warranty period for four (4) additional years if the warranty card enclosed with each instrument is

returned to OMEGA.

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 WARRANTY RETURNS, please have the

following information available BEFORE

contacting OMEGA:

FOR NON-WARRANTY REPAIRS, consult OMEGA for

current repair charges. Have the following information

available BEFORE contacting OMEGA:

1. Purchase Order number under which the product

was PURCHASED,

1. Purchase Order number to cover the COST

of the repair,

2. Model and serial number of the product under

warranty, and

3. Repair instructions and/or specific problems

relative to the product.

2. Model and serial number of 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.

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.

TRADEMARK NOTICE:

and

are trademarks of OMEGA Engineering, Inc.

omega.com

PATENT NOTICE: This product is covered by one or more of the following patents: U.S. Pat. No. Des. 336,895; 5,274,577; 6,243,021

/ CANADA 2052599; 2052600 / ITALY 1249456; 1250938 / FRANCE BREVET No. 91 12756 / SPAIN 2039150; 2048066 /

UK PATENT No. GB2 249 837; GB2 248 954 / GERMANY DE 41 34398 C2. The “Meter Case Bezel Design” is a trademark of

NEWPORT Electronics, Inc., registered in the U.S. USED UNDER LICENSE. Other US and International Patents pending or

applied for.

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Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA…Of Course!

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TEMPERATURE

Ⅺ

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

Wire: Thermocouple, RTD & Thermistor

Calibrators & Ice Point References

Recorders, Controllers & Process Monitors

Infrared Pyrometers

PRESSURE, STRAIN AND FORCE

Ⅺ

Transducers & Strain Gauges

Load Cells & Pressure Gauges

Displacement Transducers

Instrumentation & Accessories

FLOW/LEVEL

Ⅺ

Rotameters, Gas Mass Flowmeters & Flow Computers

Air Velocity Indicators

Turbine/Paddlewheel Systems

Totalizers & Batch Controllers

pH/CONDUCTIVITY

Ⅺ

pH Electrodes, Testers & Accessories

Benchtop/Laboratory Meters

Controllers, Calibrators, Simulators & Pumps

Industrial pH & Conductivity Equipment

DATA ACQUISITION

Ⅺ

Data Acquisition & Engineering Software

Communications-Based Acquisition Systems

Plug-in Cards for Apple, IBM & Compatibles

Datalogging Systems

Recorders, Printers & Plotters

HEATERS

Ⅺ

Heating Cable

Cartridge & Strip Heaters

Immersion & Band Heaters

Flexible Heaters

Laboratory Heaters

ENVIRONMENTAL

MONITORING AND CONTROL

Ⅺ

Metering & Control Instrumentation

Refractometers

Pumps & Tubing

Air, Soil & Water Monitors

Industrial Water & Wastewater Treatment

pH, Conductivity & Dissolved Oxygen Instruments

11797ML-97 Rev C

M1677/0307

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