Omega OS137 SERIES Manual de usuario

OS137 SERIES

Miniature Non-Contact Infrared

Temperature Sensor/Transmitter

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CAUTION!

– This product

is not intended for medical

use or use on humans

Servicing North America:

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

ISO 9001 Certified Stamford, CT 06907-0047 USA

Toll Free: 1-800-826-6342 TEL: (203) 359-1660

FAX: (203) 359-7700 e-mail: [email protected]

Canada: 976 Bergar

Laval (Quebec), Canada H7L 5A1

Toll-Free: 1-800-826-6342 TEL: (514) 856-6928

FAX: (514) 856-6886 e-mail: [email protected]

For immediate technical or application assistance:

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®

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

Mexico: En Español: 001 (203) 359-7803 FAX: (001) 203-359-7807

[email protected] e-mail: [email protected]

Servicing Europe:

Benelux: Managed by the United Kingdom Office

Toll-Free: 0800 099 3344 TEL: +31 20 347 21 21

FAX: +31 20 643 46 43 e-mail: [email protected]

Czech Republic: Frystatska 184

733 01 Karviná, Czech Republic

Toll-Free: 0800-1-66342 TEL: +420-59-6311899

FAX: +420-59-6311114 e-mail: [email protected]

France: Managed by the United Kingdom Office

Toll-Free: 0800 466 342 TEL: +33 (0) 161 37 29 00

FAX: +33 (0) 130 57 54 27 e-mail: [email protected]

Germany/Austria: Daimlerstrasse 26

D-75392 Deckenpfronn, Germany

Toll-Free: 0 800 6397678 TEL: +49 (0) 7059 9398-0

FAX: +49 (0) 7056 9398-29 e-mail: [email protected]

United Kingdom: OMEGA Engineering Ltd.

ISO 9001 Certified One Omega Drive, River Bend Technology Centre, Northbank

Irlam, Manchester M44 5BD England

Toll-Free: 0800-488-488 TEL: +44 (0)161 777-6611

FAX: +44 (0)161 777-6622 e-mail: [email protected]

OMEGAnet®Online Service Internet e-mail

omega.com [email protected]

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

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

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.

OS137 Series Miniature Non-Contact Infrared

Temperature Sensor/Transmitter

Table of Contents

Section Page

Caution & Safety Information ...................................................................... iii

Safety Warnings and IEC Symbols .............................................................. iii

Section 1 Introduction .................................................................................... 1

Section 2 Installation ...................................................................................... 1

2.1 Unpacking .................................................................................. 1

2.2 Electrical Connection ................................................................ 2

Section 3 Operation ......................................................................................... 3

3.1 Measuring Temperature ........................................................... 3

3.2 Ambient Temperature ............................................................... 4

3.3 Atmospheric Quality ................................................................ 4

3.4 Alarm Setting ............................................................................. 6

Section 4 Laser Sight Accessory .................................................................... 7

4.1 Warnings and Caution .............................................................. 7

4.2 Operating the Laser Sight Accessory ..................................... 7

Section 5 Specifications .................................................................................. 9

5.1 General ........................................................................................ 9

5.2 Laser Sight Accessory ............................................................. 10

Section 6 Emissivity Tables .......................................................................... 11

OS137 Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter

Table of Figures

Figure Description Page

2-1 General Wiring Diagram ................................................................ 2

2-2 Alarm Output Wiring Diagram .................................................... 2

3-1 Optical Field of View ...................................................................... 3

3-2 Location of Emissivity & Alarm Adjust and Alarm Switch ......... 3

3-3 Mounting Bracket, OS137-MB ....................................................... 4

3-4 Air Purge Collar, OS137-AP ........................................................... 4

3-5 Stainless Steel Housing .................................................................. 5

3-6 Water/Air Cool Jacket, OS137-WC .............................................. 5

4-1 Laser Sighting Accessory, OS137-LS ............................................. 8

4-2 Laser Warning Label........................................................................ 8

OS137 Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter

iii

CAUTION & SAFETY INFORMATION

If the equipment is used in a manner not specified in this manual, the protection

provided by the equipment may be impaired.

The Installation category is one (1).

There is no user replaceable fuse in this product.

The output terminals of this product are for use with equipment (digital meters,

chart recorders, etc.) which have no accessible live parts. Such equipment should

comply with all the applicable safety requirements.

Do not operate the equipment in flammable or explosive environments.

The unit comes with a 1.82 m (6') shielded cable for power and output

connections. The cable is a multi-conductor, 24 AWG stranded wire with the

rating of 600 VDC, 205ºC (401°F) Teflon®insulation.

Power must be disconnected before making any electrical connections.

The recommended power supply should be VDE or UL approved. Rating:12-24

VDC @ 50 mA mininum power with overload protection.

The supply voltage to the transmitter should not exceed 24 VDC.

SAFETY WARNINGS AND IEC SYMBOLS

This device is marked with international safety and hazardous symbols in

accordance with IEC1010. It is important to read and follow all the precautions

and instructions in this manual before operating or commissioning this device as

it contains important information relating to safety and EMC. Failure to follow

all the safety precautions may result in injury and/or damage to your

equipment.

IEC Symbol Description

Caution - Refer to the accompanying

document(s).

Direct Current

Laser Symbol

SECTION 1 - INTRODUCTION

The OS137 Series is a precision, miniature infrared transmitter. It measures

temperature via non-contact, and provides an analog output proportional to the

measured temperature. The OS137 Series is offered in three temperature ranges:

0 to 100ºC (32 to 212ºF), -18 to 260ºC (0 to 500ºF) and -18 to 538ºC (0 to 1000ºF).

The analog output is offered as 4 to 20 mA, 0 to 5 Vdc, 0 to 10 Vdc, 10

mV/degree C or F, or K type thermocouple.

The unit provides adjustable emissivity from 0.5 to 1.0, 10 to 1 optical field of

view, and field adjustable alarm output.

The super-compact design, 25.4 mm OD x 127 mm length (1.0" OD x 5.0" L) is

ideal to measure temperature in confined, and hard to reach places. The Stainless

Steel housing is NEMA-4 rated. The unit comes standard with a 1.82 m (6')

shielded cable.

SECTION 2 – INSTALLATION

2.1 – Unpacking

Remove the packing list and verify that you have received all your equipment. If

you have any questions about the shipment, please call OMEGA Customer

Service at:

1-800-622-2378 or 203-359-1660. We can also be reached on the internet at

www.omega.com

email: [email protected]

When you receive the shipment, inspect the container and the equipment for any

signs of damage. Note any evidence of rough handling in transit. Immediately

report any damage to the shipping agent.

The carrier will not honor any damage claims unless all the

shipping materials are saved for inspection. After

examination and removal of contents, save packing material

and carton in the event that reshipment is necessary.

The following items are supplied in the box:

• The infrared transmitter, OS137 with the 1.82 m (6') shielded cable.

• Two mounting nuts

• The User’s Guide

The following describes the ordering information:

OS137 – * – ** , where

- * means:

-1 : 0 to 100°C (32 to 212ºF) temperature range

-2 : -18 to 260ºC (0 to 500ºF) temperature range

-3 : -18 to 538°C (0 to 1000°F) temperature range

Introduction

NOTE:

- ** means:

-MA : 4 to 20 mA current output

-V1 : 0 to 5 Vdc output

-V2 : 0 to 10 Vdc output

-K : K type thermocouple output

-MVC : 10 mV/ºC output

-MVF : 10 mV/ºF output

The following table lists the optional accessories:

2.2 – Electrical Connection

The shielded cable provides the power and output connections. Fig 2-1 shows

the wiring diagram for different analog outputs. Fig. 2-2 shows alarm output

connections.

Figure 2-1. General Wiring Diagram

Figure 2-2. Alarm Output Wiring Diagram

Accessories

Model No. Description

OS137-MB Mounting Bracket

OS137-WC Water/Air Cooling Jacket with Built-in Air Purge Collar

OS137-AP Air Purge Collar

OS137-LS Laser Sighting

PSR-24S Regulated 24 VDC (400 mA) Power Supply

CAL-3-IR NIST Traceable Calibration

Installation

RED

WHITE

12-24 Vdc

POWER SUPPLY

-OR-

10 mV/Deg

0/5 Vdc or 4-20 mA

or 0/10 Vdc

EARTH

GROUND

DIGITAL

VOLTMETER/

AMMETER/

RECORDER

BLACK

SHIELD

–

YELLOW

THERMOCOUPLE

METER/

RECORDER RED

K TYPE

THERMOCOUPLES

–

OS137

WHITE

12-24 Vdc

POWER SUPPLY

EARTH

GROUND

BLACK

SHIELD

–

OS137

–

MECHANICAL

RELAY

BLACK

GREEN

Operation

SECTION 3 – OPERATION

3.1 – Measuring Temperature

Before starting to measure temperature, make sure the following check list is met:

The power and output connections are made (Fig 2-1).

The target is larger than the optical field of view of the transmitter (Fig 3-1).

 Use the Laser Sighting accessory (optional), to align the transmitter to the

center of the target area.

 Remove the End Cap to get to the Emissivity Single Turn Pot (Fig. 3-2). Set

the Emissivity Pot based on the target surface. Then put back the End Cap.

 Make sure the output load is within the product specification.

Figure 3-1. Optical Field of View

Figure 3-2. Location of Emissivity & Alarm Adjust and Alarm Switch

SPOT DIA.* (CM) SPOT DIA.* (IN)

DISTANCE: SENSOR TO OBJECT (FT)

D:S = 10:1

1.6 cm@0

040

5.6

9.6

210

13.6

160

17.6

200

21.6

244

0.65"@0"

3.0"

1.75"

5.5"

7.8" 10.2"

DISTANCE: SENSOR TO OBJECT (CM)

* SPOT DIAMETER MEASURED AT 90% ENERGY

ALARM

SWITCH

1- REAL TIME

2- ALARM POSITION

ALARM

ADJUST

EMISSIVITY

ADJUST

REMOVE THE SCREW TO PULL OUT

THE END CAP. THE EMISSIVITY AND

ALARM ADJUST & ALARM SWITCH ARE

LOCATED ON THE MAIN PC BOARD.

END CAP

1.00

0.70

0.60 0.90

0.80

0.50

Operation 3

3.2 – Ambient Temperature

The transmitter can operate in an ambient temperature of 0 to 70°C (32 to 158°F)

without any water cool jacket. It can operate from 0 to 200°C (32 to 392°F) with

the water cool jacket accessory, OS137-WC (Fig 3-6 & 3-7). It can operate up to

110°C (230°F) with air cooling.

There is a warm up period of 1 to 2 minutes after power up. After the warm up

period, temperature measurement can be made.

When the ambient temperature around the transmitter changes abruptly, the sensor head

goes through a thermal shock. It takes a certain amount of time for the sensor head to get

stabilized to the new ambient temperature. For example, it takes about 30 minutes for the

transmitter to stabilize from the 25°C to 50°C (77°F to 122°F) ambient temperature.

3.3 - Atmospheric Quality

Environments with smoke, dust, and fumes dirty up the optical lens, and cause

erroneous temperature readings. To keep the surface of the optical lens clean, the

air purge collar accessory is recommended, OS137-AP (Fig 3-4).

The following figures show the Mounting Bracket (OS137-MB), Air Purge Collar

(OS137-AP), Stainless Steel Housing and Water/Air Cool Jacket (OS137-WC),

with built-in air purge collar.

Figure 3-3. Mounting Bracket, OS137-MB

DIMENSIONS mm (in)

57.2

(2.25)

12.7

(0.50)

95.3

(3.75)

17.4

(0.687)

19.8

(0.78)

3.2

(1/8)

3.2

(1/8)

17.4

(0.686)

INSERT

OS137 HEAD

INTO THE HOLE

98.8

(3.89)

96.5

(3.80)

53.3

(2.10)

25.4

(1.0)

50.8

(2.0)

25.9 (1.020) DIA.

4.3 (0.170) DIA.

4.3

(0.170)

15.2

(0.6)

32.5

(1.28)

28.6

(1.125)

Figure 3-4. Air Purge Collar, OS137-AP

Figure 3-5. Stainless Steel Housing

Figure 3-6. Water/Air Cool Jacket, OS137-WC

Operation

LIGHT DIAMOND KNURL

2.5 (0.1) WIDE

DIMENSIONS mm (in)

1-20 UNEF

127

(5.0)

1.83 m

(6 ft)

42.4

(1.67)

25.4

(1.0)

DIMENSIONS mm (in)

128.6

(5.062) 7.9

(0.312)

41.2

(1.625)

1-20 UNEF 9.5

(3/8)

1-20

UNEF

BUILT-IN

AIR PURGE

COLLAR

APPLY

CLEAN AIR

INLET

OUTLET

BARB ADAPTER 3/16" ID

1/4-28 UNF THREAD

DIMENSIONS mm (in)

BARB ADAPTER 3/16" ID

1/4-28 UNF THREAD

1-20 UNEF 14.3

(0.562)

41.3

(1.625)

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