Lutron Electronics TM-925 Manuale utente
T1, T2, T1-T2, Type K/J
TWO CHANNEL
THERMOMETE
R
Model : TM-925
Your purchase of this
T
HERMOMETER marks a
step forward for you
into the field of
precision measurement.
Althou
g
h this
T
HERMOMETER is a
complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operatin
g
techniques are
developed. Please read
the followin
g
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..................................
.
5
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...........................................................
.
5
3-5 Settin
g
/Lo
gg
er button ( button ).................................
.
▼5
3-6 T1 probe socket.............................................................
.
5
3-7 T2 probe socket.............................................................
.
5
3-8 DC 9V adapter socket.....................................................
.
5
3-9 RS-232 output terminal................................................... 5
3-10 Battery compartment/Cover............................................5
4. GENERAL MEASURING PROCEDURE...........................6
4-1 One probe ( sin
g
le channel ) measurement........................
.
6
4-2 Two probes ( dual channels ) measurement.......................
.
7
4-3 Data Hold.........................................................................8
4-4 Data Record (Max, Min readin
g
)........................................
.
8
4-5 Data Lo
gg
er.....................................................................
.
9
5. ADVANCED MEASURING PROCEDURE........................11
5-1 Chan
g
e the type K. J.........................................................12
5-2 Chan
g
e the Temp , unit.............................................℃℉ 12
5-3 Auto power ON/OFF..........................................................12
5-4 Chan
g
e the data lo
gg
er samplin
g
time...............................
.
12
5-5 To show the balance data numbers in the memory.............
.
13
5-6 Clear the existin
g
savin
g
data from the memory.................
.
13
6. HOW TO SEND THE DATA OUT FROM THE METER.....
.
14
7. RS232 PC SERIAL INTERFACE...................................
.
15
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.
1
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.
2
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.
3
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.
4
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
5
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
℃
6
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.
T1
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.
T2
K 27.4 T2 temperature
℃
28.6 T1 temperature
7
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.
8
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