Lutron Electronics TM-939 Manuale utente
High Temperature Infrared
THERMOMETER
+ Type K/J/T/E/R
Model : TM-939
TABLE OF CONTENTS
1. FEATURES............................................................... 1
2. SPECIFICATIONS.....................................................
.
2
3. FRONT PANEL DESCRIPTION....................................6
3-1 Display............................................................ 6
3-2 Power On/Off Button........................................ 6
3-3 Sensor Button ( Left Button )............................ 6
3-4 REL Button ( Down Button )..............................6
3-5 Hold Button ( Back-light Button )......................
.
6
3-6 REC Button...................................................... 6
3-7 蚓/蚌Button ( Up Button )................................6
3-8 Emissivity Button ( Laser Button ).....................
.
6
3-9 RS232 Output Socket.......................................
.
6
3-10 Battery Compartment/Cover..............................6
3-11 Thermocouple (Type J/K/T/E/R) Input Socket....
.
6
3-12 IR Sensing Head...............................................6
3-13 Laser Guide......................................................6
4. IR MEASURING PROCEDURE....................................
.
7
4-1 General IR Measurement....................................
.
8
4-2 Laser Target Guide.............................................8
4-3 Measurement Field/Distance...............................
.
9
4-4 Disturbance.......................................................
.
9
4-5 Emissivity Adjustment.........................................10
4-6 Offset Value Adjustment.....................................11
4-7 Others...............................................................12
5. THERMOCOUPLE ( Type K/J/T/E/R )
MEASURING PROCEDURE.........................................12
6. DATA HOLD, RECORD, RELATIVE,
LCD BACK-LIGHT, AUTO POWER OFF DISABLE..........13
7. BATTERY REPLACEMENT..........................................15
8. RS232 PC SERIAL INTERFACE...................................15
9. OPTIONAL ACCESSORIES & PROBES.........................17
1. FEATURES
* High temperature infrared thermometer, non-contact
temperature measurement, wide range -20 蚓to 650 蚓
( -4 蚌to 1112 蚌),
* 2 in 1, Infrared thermometer + Thermocouple ( Type
K/J/T/E/R ) thermometer.
* Microcomputer circuit with excellent performance.
* Build in 蚓& 蚌select button on the front panel.
* 0.1 degree resolution for type K/J/T/E.
* Data hold function for storing the desired value on display.
* Memory function to record the maximum & minimum
reading.
* Build in a REL button, useful for relative measurement.
* LCD display with back light, easy readout.
* Sensor select button on the front panel, easy to change
different type probe.
* Emissivity adjustment for IR thermometer.
* Laser guide for IR temperature measurement.
* Thermocouple probe accept 5 different types : type K,
type J, type T, type E, type R.
* RS 232 data output, easily connect with computer.
* Optional data acquisition software for data record.
* Auto power off saves battery life.
* Built-in low battery indicator.
* Heavy duty & compact housing case with stand.
* Powered by 006P DC 9V battery.
1
2. SPECIFICATIONS
2-1 General Specifications
Display 51 mm x 32 mm supper large LCD display,
15 mm ( 0.6" ) digit size.
Sensor
1. Infrared thermometer
Type ( Non contact temperature measurement )
2. Thermocouple probe
@ Thermocouple type K
@ Thermocouple type J
@ Thermocouple type T
@ Thermocouple type E
@ Thermocouple type R
Functions 蚓, 蚌, Data hold, Memory ( Max., Min. ),
Relative measurement,
Emissivity adjustment (IR thermometer).
Resolution 0.1 degree or 1 degree.
Circuit Exclusive microcomputer circuit, the
software build in linearity correction function
instead of the traditional hardware circuit.
Emissivity Range : 0.20 to 1.00.
Adjustment Adjustment by pushing button on front panel.
Laser Guide Red laser light, less than 1 mW,
Meet EN60825
Probe Input
Thermocouple couple probe :
Socket Standard 2 pin thermocouple socket.
2
Sampling Time Approx. 1 second.
Hold Function To freeze the display reading value.
Memory Recall Memorize the Maximum, Minimum
reading.
Offset Available for IR thermometer, &
Adjustment Thermocouple thermometer Adjustment by
pushing button on front panel.
Over Indication Show " - - - - ".
Data Output RS232 PC serial interface.
Power Supply Alkaline or heavy duty type,
DC 9V battery, 006P, MN1604 ( PP3 )
or equivalent.
Power Approx. DC 11 mA ( w/o laser light on ).
Consumption Approx. DC 16 mA ( with laser light on ).
*
Above consumption value is caculated unde
r
the function of IR thermometer & without LC
D
back light.
Operating 0 to 50 蚓(32 to 122 蚌).
Temperature
Operating Less than 80% RH.
Humidity
Size HWD 200 x 68 x 30 mm ( 7.9 x 2.7 x 1.2 inch ).
Weight 220 g/0.48 LB.
Standard Operational manual..... 1 PC.
Accessory
Optional
Thermocouple couple ( Type K ) probe :
& accessories Model : TP-01, TP-02A, TP-03, TP-04.
Temp. Probe
RS232 cable
Model : UPCB-02
(Refer page 17)
Application software, windows version.
Model : SW-U801-WIN
3
2-2 Electrical Specifications
A. Infrared Thermometer
Resolution/ 1蚓- 20 蚓to 650 蚓
ranges 1蚌-4 蚌to 1202 蚌
Accuracy
< 400 蚓
3 % of reading or 3蚓( 5 蚌),
which ever is greater.
400 蚓
3 % of reading.
*
Accuracy test under the measurement
range less than 300 蚓( 572 蚌).
* Meter operating Temp. within 23 5 蚓
& the emissivity value of measurement
target set to 0.95.
* Spec. tested with the 20 cm Dia. black
body, the measuring distance from the
probe sensing head is 30 cm.
* Spec. tested under the environment
RF Field Strength less than 3 V/M &
frequency less than the 30 MHz only.
Temp. Sensor Thermocouple pie.
Emissivity
* By push button.
Setting
Setting range : 0.20 to 1.00.
* Factory preset emissivity value to 0.95,
which will cover 90% of a typical
application.
Measurement 6 to 12 micro meter.
Wave length
Region
Distance Factor D/S : Approx. 7:1.
D - Distance, S - Spot.
4
B. Thermocouple ( type K/J/T/E/R )
Thermometer
Sensor Reso- Range Accuracy
Type lution
Type K 0.1 蚓-50.0 to 1300.0 蚓( 0.2 % + 0.5 蚓)
-50.1 to -100.0 蚓( 0.2 % + 1 蚓)
0.1 蚌-58.0 to 2372.0 蚌( 0.2 % + 1 蚌)
-58.1 to -148.0 蚌( 0.2 % + 1.8 蚌)
Type J 0.1 蚓-100.0 to 1150.0 蚓( 0.2 % + 0.5 蚓)
-50.1 to -100.0 蚓( 0.2 % + 1 蚓)
0.1 蚌-58.0 to 2102.0 蚌( 0.2 % + 1 蚌)
-58.1 to -148.0 蚌( 0.2 % + 1.8 蚌)
Type T 0.1 蚓-50.0 to 400.0 蚓( 0.2 % + 0.5 蚓)
-50.1 to -100.0 蚓( 0.2 % + 1 蚓)
0.1 蚌-58.0 to 752.0 蚌( 0.2 % + 1 蚌)
-58.1 to -148.0 蚌( 0.2 % + 1.8 蚌)
Type E 0.1 蚓-50.0 to 900.0 蚓( 0.2 % + 0.8 蚓)
-50.1 to -100.0 蚓( 0.2 % + 1 蚓)
0.1 蚌-58.0 to 1652.0 蚌( 0.2 % + 1.5 蚌)
-58.1 to -148.0 蚌( 0.2 % + 1.8 蚌)
Type R 1 蚓0 to 600 蚓( 1 % + 5 蚓)
601 to 1700 蚓( 1.5 % + 5 蚓)
1 蚌32 to 1112 蚌( 1 % + 10 蚌)
1113 to 3092 蚌( 1.5 % + 10 蚌)
Remark :
a. Accuracy value is specified for the meter only.
b. Accuracy is tested under the meter's environment
temperature within 23 5蚓.
c. Linearity Correction :
Memorize the thermocouple's curve into the intelligent
CPU circuit,
5
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display 3-7 蚓/蚌Button
3-2 Power On/Off Button ( Up Button )
3-3 Sensor Button 3-8 Emissivity Button
( Left Button ) ( Laser Button )
3-4 REL Button 3-9 RS232 Output Socket
( Down Button ) 3-10 Battery Compartment/Cover
3-5 Hold Button 3-11 Thermocouple
( Back light Button ) (Type K/J/T/E/R) Input Socket
3-6
H
REC Button 3-12 IR Sensing Head
3-13 Laser Guide
6
4. IR MEASURING PROCEDURE
4-1 General IR Measurement
Measuring consideration of the " Emissivity "
All objects emit invisible energy. The amount of energy
is emitted proportional to the object's temperature & its
ability to emit energy. This ability is called emissvity
based upon the material that object is made of and its
surface roughness. Emissivity values range from 0.1 for a
very reflective object to 1.00 for a black body.
The probe of this IR THERMOMETER senses
energy and calculates the temperature based on the
amount of IR energy it receives and a factory set
emissivity value is 0.95, which will cover 90% of
the typical applications. However if the emissivity
value of the measured material is not 0.95, then
should adjust the " Emissivity Value ".
The procedure of the emissivity adjustment,
please refer to " 4-5 How to Calculate & Adjust
the Emissivity, page 10 "
1)Power On :
Power on the meter by pressing the " Power Off/On Button "
( 3-2, Fig. 1 ).
The display will count down from " 99999 ", " 88888 ", .......
to " 00000 ", then show the IR temperature value ( approx.
room temperature value ) & the emissivity value on the
right bottom corner of the LCD.
7
蚓
IR 0.95
Remark : Suppose the approx. room temperature
is 21 蚓
2)Select the " 蚓" " 蚌" display unit by pressing " 蚓/蚌Button "
( 3- 7, Fig. 1 ).
3)Hold the meter, point the " IR Sensing Head " ( 3-12,
Fig. 1 ) to the measured object. The meter will display
the spot's temperature values.
Consideration :
a
)
The displayed value may fluctuate if the meter is
shaken or suddenly stretched etc. during measurement.
b
)
The device automatically compensates with tempearture
of the sensor influenced by the ambient temperature.
When carry out the standard measurement, the device
can be measured quickly for normal environment
Temp. changes with 23 5蚓. For more accurate
measurement, keep it approx. 30 min. in the new
temperature.
c) When low temperature objects are measured directly
after high temperature objects, some time is required
for the display to stabilize.
4-2 Laser Target Guide
Press the " Laser Button " ( 3-8, Fig. 1 ) once will
activate the laser light from the " Laser Guide " ( 3-13, Fig. 1 ).
The Laser Target Guide is a useful tool to approximately
locate the measured target of IR thermometer.
8
Indice
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