Omega Engineering CL3512A User manual

CL3512ACL3512A

CL3512A

Digital Thermometer & CalibratorDigital Thermometer & Calibrator

Digital Thermometer & Calibrator

OMEGAnetSM On-Line Service

http://www.omega.com Internet 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]

omega.comTM

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-WHENSM En Español: (203) 359-7803

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA e-mail: [email protected]

Servicing Europe:

Benelux: Germany/Austria:

Postbus 8034, 1180 LA Amstelveen, Daimlerstrasse 26, D-75392

The Netherlands Deckenpfronn, Germany

Tel: (31) 20 6418405 FAX: (31) 20 6434643 Tel: 49 (07056) 3017 FAX: 49 (07056) 8540

Toll Free in Benelux: 06 0993344 Toll Free in Germany: 0800 82 66342

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

Czech Republic: United Kingdom: ISO 9002 Certified

ul. Rude armady 1868, 733 01 Karvina- One Omega Drive

Hranice, Czech Repubic Riverbend Technology Centre Northbank, Irlam,

Tel: 420 (69) 6311627 FAX: 420 (69) 6311114 Manchester, M44 5EX, England

e-mail: [email protected] Tel: 44 (161) 777-6611 FAX: 44 (161) 777-6622

France:

9, rue Denis Papin, 78190 Trappes Toll Free in England: 0800-488-488

Tel: (33) 130-621-400 FAX: (33)130-699-120 e-mail: [email protected]

Toll Free in France: 0800-4-06342

e-mail: [email protected]

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, patient connected application.

Table of contents

1.0 Introduction

1.1 Safety Information

1.2 Unpacking

2.0 Operation Procedure

2.1 Unit Drawing

2.2 Description of Buttons and Switches

2.3 Read Mode Procedure

2.4 Source Mode Procedure

3.0 Operator Maintenance

4.0 Specifications

5.0 Calibration Procedure

1.0 Introduction

The OMEGA®CL3512A calibrator/thermometer is two meters in one. The

CL3512AsimulatestypeJ/K/T/Ethermocouplesignals.Eachsignalisadjustable

by using the coarse and fine dials. The CL3512A can also be used as a dual

type J/K/T/E thermocouple input thermometer. Features include a large 3½

digit display with backlighting and display selections of HOLD, °C/°F, and

0.1/1°.

ThesourcemodeoftheCL3512Asimulatesthethermocoupleoutputtocheck

theoperationofathermocouplemeterandmakeroughcalibrationadjustments.

A more accurate calibrator would be required for calibration of thermocouple

meters to specify tolerances.

1.1 Safety Information

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

using the thermometer.

WARNING

To avoid electrical shock, do not use this instrument when working

voltages at the measurement surface over 24V AC or DC.

WARNING

To avoid damage or burns, do not make temperature measurement

in microwave ovens.

CAUTION

Repeated sharp flexing can break the thermocouple leads. To prolong

lead life, avoid sharp bends in the leads, especially near the connector.

1.2 Unpacking

Remove the packing list and verify that all equipment has been received. If

thereareanyquestionsabouttheshipment,pleasecalltheOMEGACustomer

Service Department.

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

of damage. Immediately report any damage to the shipping agent.

NOTE

The carrier will not honor any claims unless all shipping

material is saved for their examination. After examining and

removingcontents,savethepackingmaterialandcartoninthe

event reshipment is necessary.

The following is supplied in the box:

• CL3512A

• Rubber boot

• 2 K beaded wire thermocouples

• K calibration cable

• 9 volt battery

• Operator's manual

2.0 Operation Proceedure

2.1 Drawing of Unit

Actual Dimensions: 195mm(H) x 92mm(W) x 53mm(D)

2.2 Descriptions of Buttons and Switches

/Buttons

Temperature is displayed in either degrees Celsius(°C) or degrees

Fahrenheit(°F).Whenthethermometeristurnedon,itissettothetemperature

scalethatwasinusewhenthethermometerwaslastturnedoff.Tochangethe

temperature scale, press the °C or °F key.

Button

Press " " button to toggle the on and off backlight. The backlight will switch-

off automatically after 30 seconds.

Button (HOLD Mode)

PresstheHOLDkey to enter the Data Holdmode,the"HOLD" annunciator is

displayed. When HOLD mode is selected, the thermometer will hold the

present reading and stop all further measurements.

PressingtheHOLDkeyagainwillcancelHOLDmodecausingthe thermometer

to resume taking measurements.

Button (K/J/T/E Input Thermocouple Type Selection)

TheTYPEkeyallowsforselectionofJ,K,EorTthermocoupletypesaseither

the input or simulated output. To select thermocouple type press type key

once. Unit will briefly show 1888 and beep and then the type of thermocouple

selectedwillbeindicatedonthelefthandsideofthedisplay.Continuepressing

the type key to step through the thermocouple types until desired type is

indicated.

/ / Input Selections

The input selection indicates which input is selected; T1 thermocouple, T2

thermocoupleorthedifferencebetweenthetwothermocouples(T1-T2).When

thethermometeris turnedon,it is settothe temperatureinputthat was inuse

when the thermometer was last turned off.

Selector Switch

The circular selector switch is used to turn the unit off (!) or to select Reading

Mode (Input) or Simulation Mode (Output). There are nine selector switch

positions under output which provide rough adjustment of the simulated output.

Adjust

CourseandfineadjustmentDialsareusedinSimulationModetoallowaparticular

simulated temperature to be selected once the output has been adjusted close to

the desired temperature using the selector switch.

2.3 Read Mode Proceedure

1. Plug Thermocouple Sensor into input T1 and/or T2.

2. Turn selector switch to Input.

3. Select proper thermocouple type (J, K, T or E) using type button.

4. Press T1 button to read thermocouple connected to input T1.

Press T2 button to read thermocouple connected to input T2.

Press T1-T2 if difference between T1 and T2 is to be read.

5. To Hold reading press HOLD button. To resume making measurements

press HOLD again.

Note: Unit will display -OL if input is out of range or thermocouple is

broken or not connected to proper input.

To save battery life, CL3512A will turn off automatically if no is key is

pressed for 70 minutes.

2.4 Source Mode Procedure (Calibration Simulation)

1. Turn CL3512A on by turning selector switch to any one of the output

selector positions.

2. Press T1 button.

3. Select thermocouple type (J, K, T or E) using type button.

Select °C or °F using °C or °F buttons.

4. Plug proper type of thermocouple wire into either one of the two output

connectors. (SMP male connector required)

5. Attach the other end of the thermocouple wire to the instrument being

tested/calibrated.

6. Move the output range switch to the temperature value close to the

desired simulated value.

Note: There are 9 temperature range switch positions arranged from left

to right representing low to high temperatures.

The display will read -OL if the output voltage for the meter is

higher than the maximum voltage for that particular thermocouple

type. For type T this will be in the highest 4 positions, type K in

the highest 3 positions, type J in the highest 2 positions, and type

E in the highest position only.

7. Adjust course and/or fine adjustment dial until desired temperature is

displayed on CL3512A.

8. Instrument under test should read same temperature as CL3512A. If not

adjust instrument under test or have recalibrated.

9. Repeat steps 6-8 at different temperatures as needed.

Table of contents

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