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TM-311N Single K Type Thermometer
TM-321N Dual K Type Thermometer
User’s Guide
■ Operation:
1. : Power key.
2. : Temperature unit selection key.
3. : Memory and inquiry (MAX/MIN/AVG) value of the
function key, every press inquiry (MAX/MIN/AVG),
press and hold 2 seconds leave function.
4. : Relative value function key. (Only for TM-311N)
5. : T1, T2 Input channel switching. (only for TM-321N)
6. : Hold the LCD display function key.
7. Disable APO：Press and hold ( ) key for 2 seconds ,
disable or enable Auto Power Off function.
8. 0℃Adj：Press the ( )key and ( ) key to enter the
digital
0℃adjust settings, Press ( ) key or Press( ) key
the bottom window plus or minus 0.1, press( ) key to
complete the 0℃adjust.
■ Introduction:
This product is a portable microcontroller design,
high measurement accuracy and high stability.
Rugged easy one-hand operation, digital 0℃
adjustment, reading and (maximum / minimum /
average) value can be displayed simultaneously.
■ Accessories:
9V NEAD1604, IEC6F22, JIS006P x1 pc
TP-01 K-type thermocouple x1 pc
User’s manual x 1 pc
■ General specification:
LCD display digits
4 digit LCD display, the largest display 9999.
Polarity indicator
No indicator in positive, negative indicator "
- "
Overload indicator
Positive overload show "OL", negative
overload show "-OL"
Low power indicator
When display indicator the battery
power is low.
Power
9V NEAD1604, IEC6F22, JIS006P x1pc
Battery life
Approximately 100 hours / alkaline battery
Operating temperature
0℃~ 50℃ (32°F ~ 122°F), < 80﹪RH
Storage temperature
-10℃ ~ 60℃ (-4°F ~ 140°F), < 70﹪RH
Weight
Approximately 180g (include batteries)
■ Electrical specification:
Measurement
range
-200℃ to +1372℃ (-328°F to +2501°F)
Resolution
0.1
≦999.9
1
≧1000
Reading update
1 times/sec
Accuracy
(23℃±5℃)
(73.4℉±9℉)
± 0.1% reading + 0.5℃ (1°F)
Below -100℃ (-148°F): ±(0.2% rdg+ 1℃(2℉))
Temperature
coefficient
-100℃~+1372℃(-148°F to +2501°F):
0.01% reading +0.05℃ /℃ (0.1°F /°F) outside the
specified +18°C to 28℃ (+64°F to +82°F)
Below -100℃ (-148°F):
0.02﹪rdg+0.1℃/℃(0.2℉/ ℉)
Temperature
Scale
ITS-90
Accuracy is specified for ambient temperatures between 18~28℃
(64~82 ℉ ). The above specifications do not include error of
thermocouple.
HB2TM311N001
TENMARS ELECTRONICS CO., LTD
6F, 586, RUI GUANG ROAD, NEIHU,
TAIPEI 114, TAIWAN.
E-mail : [email protected]
http : //www.tenmars.com
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