RS PRO RS 51 206-3722 Manuel utilisateur

INTRODUCTION

1-1 Unpacking and Inspection

Upon removin

our new Di

ital Thermometer from its packin

ou should have the followin

items:

1. Di

ital Thermometer.

2. K-t

pe Bead Thermocouple.

3. Operator's Manual.

4. Protective Holster.

5. Belt Clip.

1-2 Front Panel

Refer to Fi

ure 1 and the followin

numbered steps to familiarise

ourself with the meter's front panel controls and

connectors.

1. Digital Display — The di

ital displa

has a 3-1/2 di

it LCD readout (maximum readin

1999) auto polarit

decimal point, "



" , function symbol and unit annunciators.

2. Thermocouple Connectors — Allows connections of miniature thermocouple plugs (2 for model 52).

DIGITAL THERMOMETER

OPERATOR'S MANUAL

RS 51 206-3722

RS 52 206-3738

3. Hold Switch — Used to hold the numeric readin

. When pressed the HOLD annunciator is displa

ed.

Conversions are made but the readin

is not updated.

This switch is limited to use on a sin

le temperature scale at a time.

4. Power ON/OFF Switch — Turns the thermometer on or off.

5. Resolution Selector — Selects either 0.1 or 1 de

ree resolution.

;

Selector — Used to select the °C and °F units.

7. Max. Switch — Press once to display the max. reading in measurements, press again to cancel.

Disable this function before changing control keys to keep reading correctly.

This switch is limited to use on a single temperature scale at a time.

8. T1-T2 Switch - Selects the T1-T2 mode for measuring (52 only).

9. T2 Switch - Selects the T2 mode for measuring (52 only).

10. T1 Switch - Selects the T1 mode for measuring (52 only).

SPECIFICATIONS

2-1 General Specifications

This Thermometer conforms to the temperature / volta

e tables of the National Bureau of Standards and to the IEC

Standards for K-t

pe.

Display: 3 1/2 di

it Liquid Cr

stal Displa

(LCD) with a maximum readin

of 1999.

Polarity Indication: Automatic, positive implied, ne

ative indicated.

Overrange Indication: "OL" or "-OL".

Low Battery Indication: "



" is displa

ed when the batter

volta

e drops below operatin

volta

Sampling Rate: 2.5 time / sec.

2-2 Environmental Conditions

Operating Temperature: 0°C to 50°C, 0 to 75% R.H.

Storage Temperature: -20°C to 60°C, 0 to 80% R.H with batter

removed from meter.

Temperature Coefficient: 0.15 x (Specified accurac

) / °C, < 18°C or > 28°C.

Power Requirements: 9V alkaline batter

Battery Life: Alkaline 250 hours.

Dimensions (H x W x D): 160mm x 64mm x 26mm without holster.

170mm x 74mm x 39mm with holster.

Weight (including battery): 300

ms without holster.

430

ms with holster.

Accessories: 2 K-t

pe bead thermocouples (52), 1 K-t

pe bead thermocouple (51) batter

(installed), operator's

manual and protective holster.

2-3 Electrical Specifications

(1) Accurac

is ± (% readin

+ number of di

its) at 23°C ± 5°C less than 75% R.H for thermometer.

MODEL: 51

Measurement Range Resolution Accuracy Input Protection

-50°C ~ 199.9°C0.1°C ± (0.2% readin

+ 1°C)

-58°F ~ 199.9°F 0.1°F± (0.2% readin

+ 2°F)

-50°C ~ 200°C1°C ± (0.3% readin

+ 2°C)

-58°F ~ 392°F 1°F± (0.3% readin

+ 4°F)

200°C ~ 1000°C1°C ± (0.4% readin

+ 2°C)

392°F ~ 1832°F 1°F± (0.4% readin

+ 4°F)

1000°C ~ 1300°C1°C ± (0.6% readin

+ 2°C)

1832°F ~ 1999°F 1°F± (0.6% readin

+ 4°F)

60V d.c. or 24 Vr.m.s.

MODEL: 52

Input protection: 9V DC or 6V rms.

Measurement Range Resolution Accuracy (T1 or T2)

-50°C ~ 199.9°C0.1°C ± (0.2% readin

+ 1°C)

-58°F ~ 199.9°F 0.1°F± (0.2% readin

+ 2°F)

-50°C ~ 200°C1°C ± (0.3% readin

+ 2°C)

-58°F ~ 392°F 1°F± (0.3% readin

+ 4°F)

200°C ~ 1000°C1°C ± (0.4% readin

+ 2°C)

392°F ~ 1832°F 1°F± (0.4% readin

+ 4°F)

1000°C ~ 1300°C1°C ± (0.6% readin

+ 2°C)

1832°F ~ 1999°F 1°F± (0.6% readin

+ 4°F)

Accuracy (T1 — T2)

± (0.5% readin

+ 1°C)

± (0.5% readin

+ 4°F)

± (0.5% readin

+ 2°C)

± (0.5% readin

+ 4°F)

± (0.5% readin

+ 2°C)

± (0.5% readin

+ 4°F)

± (0.6% readin

+ 2°C)

± (0.6% readin

+ 4°F)

(2) Thermocouple Characteristics: K-t

pe thermocouple.

50BK bead thermocouple:

1. Temperature Ran

e : -40°C to 204°C (-40°F to 399.2°F).

2. Tolerances : ± (2.2°C or 0.75%) from 0°C to 204°C.

± (2.2°C or 2.0%) from 0°C to -40°C.

3. Wire Len

th : 1m, with miniature plu

Teflon tape insulated.

OPERATION

This instrument is desi

ned to use external K-t

pe thermocouple as temperature sensor. Temperature indication

follows National Bureau of Standards and IEC 584 temperature / volta

e tables for K-t

pe thermocouple are

supplied with thermometer.

#WARNING

TO AVOID ELECTRICAL SHOCK, DO NOT USE THIS INSTRUMENT WHEN VOLTAGES AT THE MEASURE-

MENT SURFACE EXCEED 24V RMS OR AC OR 60V DC. (6Vrms AC OR 9VDC FOR 52) TO AVOID DAMAGE

OR BURNS, DO NOT MAKE TEMPERATURE MEASUREMENTS IN MICROWAVE OVENS.

3-1 Preparation and Caution before Measurement

1. Before measurement, warm up for at least 30 seconds, after connectin

the thermocouple to the thermometer.

2. If the instrument is used near noise

eneratin

equipment, be aware that the displa

become unstable

or indicate lar

e errors.

3-2 Temperature Measurements

1. Connect the plu

of the thermocouple to the connector of the thermometer.

2. Select the desired input mode, resolution and °C/°F.

3. Use the sensin

point of the thermocouple to measure the surface to be measured.

4. Read the stable readin

5. #"Warnin

: Do not measure the surface if the potential exceeds 60 Vd.c. or 24Vr.m.s."

MAINTENANCE

To keep the instrument clean, wipe the case with a damp cloth and deter

ent, do not use abrasives or solvents.

adjustment, maintenance and repair shall be made b

a skilled person.

To maintain the thermocouple in

ood condition, observe the followin

precautions:

— Avoid excess bendin

— Do not overheat the thermocouple.

— Avoid chemical reactions that can dama

e the thermocouple.

BATTERY REPLACEMENT

The meter is powered b

a sin

le 9V batter

. Refer to Fi

ure 2 and use the followin

procedure to replace the

batter

1. Turn the meter off. Remove the thermocouple connector.

2. Remove the holster.

3. Position the meter face down. Remove the screw from the batter

cover.

4. Remove the batter

cover.

5. Lift the batter

from case top, and carefull

disconnect the batter

from batter

connector leads.

6. Install a new batter

7. Replace the batter

cover. Reinstall the screw and replace the holster.

Ce manuel convient aux modèles suivants

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