Lutron Electronics TM-906A Operation Manual
RS-232
DUAL
THERMOMETE
R
Model : TM-906A
Your purchase of this
DUAL THERMOMETER
marks a step forward for
you into the field of
precision measurement.
Although this
T
HERMOMETER is a
complex and delicate
instrument, its durable
structure will allow many
years of use if proper
operating techniques are
developed. Please read
the following instructions
carefully and always keep
this manual within easy
reach.
OPERATION MANUAL
TABLE OF CONTENTS
1. FEATURES.................................................................... 1
2. SPECIFICATIONS.........................................................
.
2
2-1 General Specifications.............................................2
2-2 Electrical Specifications........................................... 3
3. FRONT PANEL DESCRIPTION........................................ 4
3-1 Display...............................................................
.
4
3-2 Power On button.................................................4
3-3 Data Hold Button................................................
.
4
3-4 蚓/ 蚌 button...................................................... 4
3-5 Power Off button................................................
.
4
3-6 Memory "Record" Button.....................................
.
4
3-7 Memory "Call" Button..........................................
.
4
3-8 Function Button(T1, T2, T1-T2)...........................
.
4
3-9 10.1Button..........................................................4
3-10 Battery Compartment/Cover.................................4
3-11 T1 Input Socket..................................................
.
4
3-12 T2 Input Socket..................................................
.
4
3-13 RS-232 Output Terminal......................................
.
4
4. MEASURING PROCEDURE............................................. 5
5. MEASURING CONSIDERATION...................................... 7
6. RS232 PC INTERFACE..................................................
.
8
7. BATTERY REPLACEMENT.............................................. 9
8. OPTIONAL TEMPERATURE PROBE &
& OTHER ACCESSORIES..............................................
.
10
1. FEATURES
* Microprocessor circuit assures high accuracy and provides
special functions and features.
* Super large LCD display, easy reading.
* Dual function meter's display.
* Heavy duty & compact housing case.
* Records Maximum, Minimum readings with RECALL.
* Data hold.
* Operates from OO6P DC 9V battery.
* RS 232 PC serial interface.
* Multi functions, dual channel temp. input, differential
temp. measurement, 蚓/蚌, 0.11degree, data hold.
* Meet any standard type K(NiCr-NiAl) probe.
* Fitted with standard type K input measuring socket.
* Build in temperature linearity compensation circuit,
high accuracy and wide measurement.
* Build in precision cold junction compensation circuit.
* Thermocouple sensor for Temp. measurement, fast
response time.
* Used the durable, long-lasting components, including a
strong, light weight ABS-plastic housing case.
* Wide applications: use this anemometer to check air
conditioning & heating systems, measure air velocities,
wind speeds, temperature...etc.
1
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
with thermocouple linearity correction
circuit.
Display Dual function meter's display, 13 mm(0.5"),
Super large LCD display with annuciator.
Measurement Two channel temp. input (T1, T2),
differential temp. measurement(T1 -T2),
蚓/蚌, 0.11degree.
Measurement - 50蚓 to 1230蚓/ - 58蚌 to 1999蚌.
Range
Polarity Automatic switching,
'-' indicates negative polarity.
Sensor Thermocouple K(NiCr-NiAl).
Type
Input 10 Meg ohm.
Impedance
Sampling Time Approx. 3 seconds.
Memory Records Maximum, Minimum readings
Recall with RECALL.
Data Output RS 232 PC serial interface.
Over input Indication of "- - - -".
indication
Operating 0 蚓 to 50 蚓(32 蚌 to 122 蚌).
Temperature
Operating Max. 80% RH.
Humidity
2
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