Lutron Electronics TM-925 Operation Manual
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
/Logger 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 logger sampling time................................12
5-5 To show the balance data numbers in the memory.............
.
13
5-6 Clear the existin
g
saving 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.
*USB cable, 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
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