Tenmars TM-301 User manual

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TM-301
INFRARED THERMOMETER
NON.CONTACT
USER'S MAMNUAL
1. lntroductions
(1). Pull and hold trigger (laser pointer is on as default setting) to turn on,
LCD display reading & baitery icon. Release the trigger and the
readingwill hold for approx.10 sec
(2).Locating a hot spot:Aim the thermometer outside the area of interest.
Scan across the area in an up and down motion until the hot spot is
located while holding the activation trigger. The thermometer will
continue to read the surface temperature while the activation trigger is
depressed.
Note : Holding the trigger should last about 1 second at least.
2. How it works
Any object radiates infrared energy if its temperature is above absolute
zero. This energy travels at the speed of light in all directions. An
infrared temperature lens collects and focuses the infrared energy onto
a sensor produces a small voltage output, proportional to the target
temperature, which is processed and displayed.

6. Specifications
3. Cautions
The infrared thermometer should be protected from the following:
o Electro Magnetic Fields(created by arc welders, induction heaters and
similar items)
o Thermal Shock (created by large or abrupt ambient temperature changes.
Allow 30minutes for unit to stabilize before use.)
o Do not leave the unit on or near objects of high temperature.
4. Operating
(1) "C & oF Conversion : Press tfre @ button to switch from oC to oF
readings.
(2) Press tne @ button to turn the laser pointer on or off.
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Press the IJU button to hold MAX testing data or min testing data.
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Press LJ9 5utt.. more than 1 sec exit mode
Field of View
The farther the thermometer is from the target, the larger the target
area will be. This relationship between distance and target size is
normally expressed as the distance to spot, or D: S ratio.
At a distance of 10 feet, the "target "spot would be 1 foot in diameter.
The thermometer will display the average temperature across the
target area.
5.
(1)
(2)
(3)
Temperature Range -30"c- 530'c ( -22'F -986"F )
Accuracy t3"C (tS'F) (-30'C -20'C l-22-68"F)
t2'C (t3'F) or 2o/o reading (20"C -530'C/68'F
-986'F)
Repeatability 2o/o or t2"C (13'F)
Response Time 500ms@95%
Spectral Response 5-14 pm
Emissivity 0.95
Resolution 0.2"c / 0.5"F
Laser Power ( 1mW
Auto Power Time 15 sec
Ambient Operating
Range 0-40'c (32"F -104"F),
<80%RH (no condensing)
Storage
Temp/Humidity
-10'c -60'c (14"F -140'F)
<70%RH
Weight > 150 g (without battery)
Size 166x95x33mm (LxWxH)
Power 9V battery006Por IEC 6F22
Battery Life 12 hours
D:S 10:1

7. Maintenance
(1) To clean the lens: Blow off loose particles using clean compressed
air gently brushes remaining debris away with a moist cotton cloth.
(2) Do not use solvents to clean the lens.
(3) Do not submerge the unit water.
8. Disposal Of This Article
Caution: this symbol indicates that
equipment and its accessories shall be
subject to a separate collection and
-
correct disposal