Omega OS642F Manuel utilisateur

OMEGA

OS642F

Infrared Thermometer

OMEGAnetSM On-Line Service

http://www.omega.com

Internet e-mail

[email protected]

For immediate technical or application assistance:

USA and Canada: Mexico and Latin America:

Sales Service: 1-800-826-6342 / 1-800-TC-OMEGASM Tel: (95) 800-TC-OMEGASM

Customer Service: 1-800-622-2378 / 1-800-622-BESTSM FAX: (95) 203-359-7807

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

En Español: (203) 359-7803

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA

e-mail: [email protected]

Servicing North America:

USA: ISO 9001 Certified Canada:

One Omega Drive, Box 4047 976 Bergar

Stamford, CT 06907-0047 Laval (Quebec) H7L5A1

Tel: (203) 359-1660 Tel: (514) 856-6928

FAX: (203)359-7700 FAX: (514) 856-6886

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

Servicing Europe:

Benelux:

Postbus 8034, 1180 LA Amstelveen,

The Netherlands

Tel: (31) 20 6418405 FAX: (31) 20 6434643

Toll Free in Benelux: 06 0993344

e-mail: [email protected]

Czech Republic:

ul. Rude armady 1868, 733 01 Karvina-

Hranice, Czech Repubic

Tel: 420 (69) 6311627 FAX: 420 (69)

6311114

e-mail: [email protected]

France:

9, rue Denis Papin, 78190 Trappes

Tel: (33) 130-621-400 FAX: (33)130-699-120

Toll Free in France: 0800-4-06342

e-mail: [email protected]

Germany/Austria:

Daimlerstrasse 26, D-75392

Deckenpfronn, Germany

Tel: 49 (07056) 3017 FAX: 49 (07056) 8540

Toll Free in Germany: 0800 82 66342

e-mail: [email protected]

United Kingdom: ISO 9002 Certified

One Omega Drive

Riverbend Technology Centre Northbank, Irlam,

Manchester, M44 5EX, England

Tel: 44 (161) 777-6611 FAX: 44 (161) 777-6622

Toll Free in England: 0800-488-488

e-mail: [email protected]

omega.com

INTRODUCTION

This instrument is a portable easy use 3½ digit, compact-sized digital infrared

thermometer simple one hand operation. Meter with Backlit LCD display, Auto-

hold function and auto power off (15 seconds approx.) feature after releasing

MEAS button to extend battery life and with analog signal output function.

SAFETY INFORMATION

It is recommended that you read the safety and operation instructions before

using the thermometer.

The symbol on the instrument indicates that the operator must refer to an

explanation in this manual.

CAUTION

• Donotusetheunitnearanydevicewhichgeneratesstrongelectromagneticradiation

or near a static electrical charge, as these may cause errors.

• Donotpointthelensatthesunoratanyothersourceofstronglight.Ifyou do,thesensor

may be damaged.

• Donotcontactthelensagainsttheobjectwhosetemperatureistobemeasured,orget

it dirty, allow it to be scratched, or allow any foreign material to adhere to it. Doing so

may cause errors.

• Do not touch or hold by the front cone. Temperature reading can be affected by heat

fromhand.

• Do not place the meter on or around hot objects (70°C/158°F). It may cause damage

to the case.

• Ifthemeterisexposedtosignificantchangesinambienttemperature(hottocoldorcold

to hot). Allow 20 minutes for temperature stabilization, before taking measurement.

• Condensationmayformonthelenswhengoingfromacoldtohotenvironment-wait10

minutes for conden sation to dissipate befor taking measurements.

• Thisunitisnotconstructedtobewaterproofordustproof,sodonotuseitinaverydusty

environment or in one where it will get wet.

SPECIFICATIONS

GENERAL

Display: 3½ digit liquid crystal display (LCD) with maximum reading of 1999.

Overrange: (OL) or (-OL) is displayed.

Low battery indication: the " " is displayed when the battery voltage drops

below the operating level.

Measurement rate: 2.5 times per second, nominal.

Operating Environment: 32°F to 122°F at < 70% relative humidity.

Storage Temperature: -4°F to 140°F, 0 to 80% R.H. with battery removed from

meter.

Auto power off: 15 seconds approx.

Standby consume current: <1µA.

Battery: 4 pcs 1.5V (AAA size).

Battery Life: 100 hours (continuity) typical (Back-Light not illuminated).

Dimensions: 170mm(H) x 44mm(W) x 40mm(D).

Weight: 5.47oz including batteries.

ELECTRICAL

Temperature Range: 0°F to 500°F.

Display Resolution: 1°F.

Accuracy: ±3% of reading or ±5.5°F, whichever is greater @ 64.4 to 82.4°F

ambient operating temperature.

Temperature Coefficient: ±0.2% of reading or ±0.36°F, whichever is greater,

change in accuracy per °F change in ambient operating temperature above

82.4°F or below 64.4°F.

Response Time: 1 second.

Spectral Response: 6 to 14µm nominal.

Emissivity: Pre-set 0.95.

Analog Output: 1mV/°F.

Detection Element: Thermopile.

Optical Lens: Fresnal Lens.

Field of View: 2.56"Ø at 39.37".

Spot size increases with distance from the probe tip as shown

OPERATING INSTRUCTIONS

Push buttons

Display Back-Light Button

Release MEAS button then press " " button to toggle between turn on and turn

off the Back-Light. When releasing MEAS button Back-Light will turn off auto-

matically after 15 seconds to extend battery life.

MEAS (MEASURE) Button

DepressMEASbuttontoturnonthemeterformeasuringtemperature.Releasing

MEAS button to stop measuring temperature and automatically hold the display

reading, the meter turns off automatically after 15 seconds.

OPERATION

1. When the power is off, pressing the MEAS button turns on the power.

2. Use " " button to select turn on or turn off the display Back-Light.

3. Point the lens at the object whose temperature is to be measured.

4. Press the MEAS button. Measurement is performed as long as the MEAS

button is kept pressed.

5. Referring to the spot size figure, aim the infrared beam the object whose

temperature is to be measured.

NOTE: Although the field of measurement (or Field of View) and the spot almost

coincide, actually the field of measurement corresponds to the diameter for

90%opticalresponse.Theobjectwhosetemperatureistobemeasuredneeds

to be larger than the measurement diameter (spot of size) by an adequate

margin at least 1.5 to 2 times larger.

6. Read the diaplay.

MEASUREMENT CONSIDERATIONS

1. Theory of Measurement

Every object emits infrared energy in accordance with its temperature. By

mesuring the amount of this radiant energy, it is possible to determine the

temperature of the emitting object.

2. About Infrared

Infrared radiation is a form of light (electromagnectic radiation), and has the

property that it, passes easily through air while it is easily absorbed by solid

matter. With an emission thermometer which operates by detecting infrared

radiation accurate measurement is possible, irrespective of the air tempera-

ture or the measurement distance.

3. Emission Thermometer Structure

Infrared radiation which has been emitted from the object is focused upon an

infrared radiation sensor, via an optical system which includes a lens is

transparent to infrared rediation, an 5.3µm cut off filter. The output signal from

the infrared radiation sensor is input to an electronic circuit along with the

output signal from a standard tempeature sensor (Thermopile).

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