Lutron Electronics TM-925 Manuel utilisateur

T1, T2, T1-T2, Type K/J

TWO CHANNEL

THERMOMETE

Model : TM-925

Your purchase of this

HERMOMETER marks a

step forward for you

into the field of

precision measurement.

Althou

h this

HERMOMETER is a

complex and delicate

instrument, its durable

structure will allow

many years of use if

proper operatin

techniques are

developed. Please read

the followin

instructions carefully

and always keep this

manual within easy

reach.

OPERATION MANUAL

TABLE OF CONTENTS

1. FEATURES..............................................................1

2. SPECIFICATIONS.................................................... 1

3. FRONT PANEL DESCRIPTION..................................

3-1 Display...........................................................................5

3-2 Power/ESC/Send button.................................................. 5

3-3 Function/Hold button ( Send quit/ button )..................

▲5

3-4 REC/Enter button...........................................................

3-5 Settin

/Lo

er button ( button ).................................

▼5

3-6 T1 probe socket.............................................................

3-7 T2 probe socket.............................................................

3-8 DC 9V adapter socket.....................................................

3-9 RS-232 output terminal................................................... 5

3-10 Battery compartment/Cover............................................5

4. GENERAL MEASURING PROCEDURE...........................6

4-1 One probe ( sin

le channel ) measurement........................

4-2 Two probes ( dual channels ) measurement.......................

4-3 Data Hold.........................................................................8

4-4 Data Record (Max, Min readin

)........................................

4-5 Data Lo

er.....................................................................

5. ADVANCED MEASURING PROCEDURE........................11

5-1 Chan

e the type K. J.........................................................12

5-2 Chan

e the Temp , unit.............................................℃℉ 12

5-3 Auto power ON/OFF..........................................................12

5-4 Chan

e the data lo

er samplin

time...............................

5-5 To show the balance data numbers in the memory.............

5-6 Clear the existin

savin

data from the memory.................

6. HOW TO SEND THE DATA OUT FROM THE METER.....

7. RS232 PC SERIAL INTERFACE...................................

8. BATTERY REPLACEMENT...........................................17

9. OPTIONAL ACCESSORIES..........................................17

1. FEATURES

* Two channels thermometer, T1, T2, T1-T2, T1 only.

* Both type K/J temp. measurement, wide range.

* / , 0.1 degree.℃℉

* Microcomputer circuit provides intelligent function

and high accuracy.

* LCD with two display, easy readout.

* Manual and auto data logger, with flexible sampling

time selection, can save max. 1,600 reading data.

* Records Maximum and Minimum readings with recall.

* Data hold function for freezing the desired value.

* Meter can default to accept type K or type J Temp. probe.

* Meter can default auto power off or manual power off.

* Meter can default the measuring unit to or .℃℉

* Build in the input socket for DC 9V power adapter.

* RS232 PC serial interface.

* Few panel buttons, easy operation.

* Built-in low battery indicator.

* Heavy duty & compact housing case.

2. SPECIFICATIONS

2-1 General Specifications

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 44 mm x 29 mm

dual function LCD display.

Display Unit , .℃℉

Resolution 0.1 , 0.1 .℃℉

Channels T1, T2, T1-T2, T1 only.

Thermocouple Type K or Type J.

type

Sampling Time Manual Push the data logger button

of Data Logger once will save data one time.

* Se the sampling to 0 second.

Auto 1, 2, 5, 10, 30, 60, 600, 1800,

3600 seconds.

Data Logger Max. 1,600-point Data logger

number

Temperature Automatic temp. compensation for the

Compensation cold junction both type K/J thermometer

Linear Linear Compensation for the full range.

Compensation

Offset, Span Available for advanced calibration

Adjustment procedure.

Probe Input Standard 2 pin thermocouple socket.

Socket

Over Indication

Show " ".

Data Hold Freeze the display reading.

Memory Recall Maximum & Minimum value.

Sampling Time Approx. 1 second.

of display

Power off Auto shut off saves battery life or

manual off by push button.

Data Output RS 232 PC serial interface.

Operating 0 to 50 .℃

Temperature

Operating Less than 80% R.H.

Humidity

Power Supply 006P DC 9V battery

( Alkaline or Heavy duty type ).

DC 9V adapter input.

* AC/DC power adapter is optional.

Power Current Approx. DC 5.5 mA

Weight 196 g/0.43 LB.

Dimension 135x60x33 mm, ( 5.3x2.4x1.3 inch ).

Accessories Instruction manual..................1 PC

Included

Optional * Type K thermocouple probe.

Accessories TP-01, TP-02A. TP-03, TP-04

* AC to DC 9V adapter.

* RS232 cable, UPCB-02.

*USBcable,USB-01

* Data Acquisition software,

SW-U801-WIN.

* Data Logger software, SW-DL2005.

* Carrying case, CA-52A.

2-2 Electrical Specifications (23±5 )℃

Sensor Reso- Range Accuracy

Type lution

Type K 0.1 ℃-50.0 to 1300.0 ℃± ( 0.4 % + 0.8 )℃

-50.1 to -199.9 ℃± ( 0.4 % + 1 )℃

0.1 ℉-58.0 to 2372.0 ℉± ( 0.4 % + 1.5 )℉

-58.1 to -327.8 ℉± ( 0.4 % + 1.8 )℉

Type J 0.1 ℃-100.0 to 1100.0 ℃± ( 0.4 % + 0.8 )℃

-50.1 to -199.9 ℃± ( 0.4 % + 1 )℃

0.1 ℉-58.0 to 2012.0 ℉± ( 0.4 % + 1.5 )℉

-58.1 to -327.8 ℉± ( 0.4 % + 1.8 )℉

Accuracy value is specified for the meter only.

Type K probe TP-01 TP-02A, TP-03. TP-04 is the

optional accessory, refer page

Above specification tests under the environment RF

Field Strength less than 3 V/M & frequency less than

30 MHz only.

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Display

3-2 Power/ESC/Send button

3-3 Function/Hold button ( Send quit/ button )▲

3-4 REC/Enter button

3-5 Setting/Logger button ( button )▼

3-6 T1 probe socket

3-7 T2 probe socket

3-8 DC 9V adapter socket

3-9 RS-232 output terminal

3-10 Battery compartment/Cover

4. GENERAL MEASURING

PROCEDURE

Meter defaults :

*The temperature reading unit is .℃

*Type K measurement

*Auto power off.

*The sampling time of data logger function is

2 seconds.

4-1 one probe ( single channel ) measurement

1)Insert the " Temp. probe plug " into the " T1 probe

socket " 3-6, Fig. 1 ).

2)Power on the meter by pressing the " Power button "

( 3-2, Fig. 1 ) once a while.

3)Press the " Function button " ( 3-3, Fig. 1 ) continuously

until the LCD show the " T1- " symbol, release the

finger from the button the display will show the

temperature reading that sensing from the probe's head.

T1-

K 26.3

℃

4-2 two probes ( dual channels ) measurement

1)For two probes ( dual channels ) measurement, insert

the first " Temp. probe plug " into the " T1 probe socket "

( 3-6, Fig. 1 ) and insert the second " Temp. probe

plug " into the " T2 probe socket " ( 3-7, Fig. 1 ).

2)Power on the meter by pressing the " Power Button "

( 3-2, Fig. 1 ) once a while.

3)Press the " Function button " ( 3-3, Fig. 1 )

continuously until the LCD show the " T1 " symbol

then release the finger from the button, the upper

display will show the T1 temperature reading, the

lower display will show the T2 temperature reading.

K 28.6 T1 temperature

℃

27.4 T2 temperature

4)Press the " Function button " ( 3-3, Fig. 1 )

continuously until the LCD show the " T2 " symbol

then release the finger from the button, the upper

display will show the T2 temperature reading, the

lower display will show the T1 temperature reading.

K 27.4 T2 temperature

℃

28.6 T1 temperature

4)Press the " Function button " ( 3-3, Fig. 1 )

continuously until the LCD show the " T1-T2 " symbol

then release the finger from the button, the upper

display will show the T1-T2 temperature reading, the

lower display will show the T1 temperature reading.

T1-T2

K 1.2 T1-T2 temperature

℃

28.6 T1 temperature

Note :

1) If intend to change the measuring unit from to ,℃℉

refer section 5-2, page 12.

2) If intend to change the measuring function from type K to type J,

refer section 5-1, page 12.

4-3 Data Hold

During the measurement, press the " Hold Button " ( 3-3,

Fig. 1 ) once will hold the measured value & the LCD will

display a " HOLD " symbol.

* Press the " Hold Button " once again will release the data

hold function.

4-4 Data Record ( Max., Min. reading )

* The data record function records the maximum and

minimum readings. Press the " REC Button " ( 3-4, Fig.

1 ) once to start the Data Record function and there

will be a " REC " symbol on the display.

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