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Noncontact Thermometer
Operation Manual
Ⅰ . Safety information
Please read the following information carefully
before using the meter.
Do not clear the meter using solvents.
Safety symbols:
Important information prompt for denger.
Comply with European CE safety standards.
This instrument is compatible with the following standards:
EN61326-1
EN61010-1
EN60825-1
Warning
Do not point laser directly at eye or indirectly off reflective surfaces.
Ⅱ . Cautions
When ambient temperature changes quickly, must wait 30 minutes to balance the the heat of the
instrument before use.
Avoid EMF(electro magnetic fields) from arc weld, induction furnace, ect …
Do not leave the unit on or near high temperature objects.
Keep the instrument clean, and do not get dust into detecting hole.
Ⅲ . Explanation on parts
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1. LCD 2. Laser button
3. Mode button 4. Backlight button
5. ℃ / ℉ button 6. Trigger
7. Battery cover 8. Tripod nut
9. Collimator 10. Laser emission orifice
11.
Temperature detect hole
Ⅳ . LCD illustration
12. Laser emission indicator 13. Holding indicator
14. First temperature show 15. Average value indicator
16. Low power indicator 17. MAX/MIN indicator
18. Measurement indicator 19. Emissivity display
20. ℃ temperature unit 21. ℉ temperature unit
22. Second temperature show
Ⅴ . Measurement principle
Noncontact Themometer detects the infrared ray that an object emits, The instrument foculizes infrared
energy of the object onto a sensor through a lens, changes the surface temperature into electric signal, a
microcomputer calculates and displays the measurement temperature on the LCD. The method can
measure object ’ s surface temperature without contact. The laser is used to aim target only.
Ⅵ . Measurement method
To
measure the temperature of an object, point the unit at it, press the trigger down and keep, you can
measure the temperature continuously. After releaseing trigger, LCD will hold the result of measurement.
The first temperature indicates the current measurement value; the second temperature indicates the
calculated value.
To
get an accurate measurement result, refer to D:S ratio,Emissivity sections. The
instrument will turn off after releasing trigger for 10 seconds.
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When an object is far from the thermometer, by pressing laser button to light the laser to aim at object.
To
measure in the night, by pressing backlight button to light the backlight.
By pressing “ MODE ” button to change the mode of the second temperature, it can show AVG(average)
MAX(maximum), MIN(minimum), MAX-MIN.
By pressing ℃ / ℉ button to choose ℃ or ℉
temperature unit to show temperature.
Ⅶ . D:S ratio
The thermometer has a visual angle and visual spot size, a drawing shows it as following:
Object focus tube sensor
Make sure that the target is larger than the unit ’ s visual spot size. The smaller the target, the closer you
should be to it. The relationship between distance and spot size is 12:1, the drawing as following:
To
prevent the infrared of other object from entering thermometer, you had better be closer to object than
the distance calculated by ratio D:S=12:1.
Ⅷ . Emissivity
Emissivity is used to describe the energy emitting characteristic of materials. The greater the emissivity,
the stronger the emission capacity of the object is. Most organic materials and oxidized metal surfaces
have a emissivity between 0.85 to 0.98. The thermometer is designed according to that emissivity equals
0.95. When the Emissivity of an object is less than 0.95, the measurement temperature is less than the
actual temperature; and the emissivity of an object is more than 0.95, the measurement temperature is
more than the fact temperature.Ashiny metal or a polished object surface has a low emissivity . Please
pay attention to the effect of emissivity of objects.
Ⅸ . Changing the battery
When the battery voltage is lower, the battery symbol appears, it indicates that we must change the
battery. Pinch OPEN characters on the battery cover, then pull it and can change a new battery. See the
drawing as right:
Ⅹ . Specifications
LCD display: double temperature 4 digitals LCD
D:S ： 12:1
Emissivity: 0.95
Spectral response: 8-14 um
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Measure range: -20 ℃ ~537 ℃ or -4 ℉ ~999 ℉
Accuracy: -20 ℃ ~50 ℃ ± 2.5 ℃ ,
51 ℃ ~537 ℃ ± (reading ＊ 1%+1 ℃ )
Response time: 0.5 second
Laser power: less than 1 mw
Automatic turn off: hold for 10 seconds
Backlight: kelly
operation surrounding: 0~40 ℃ ,10~90%RH
Storage surrounding: -10 ℃ ~60 ℃ , ≤ 75%RH
Battery: 9V 6F22
Size: Long 162*Width 56*high 190mm
Weight: approximately 267g(inluding battery)
Accessories: battery
9V,
operation manual ， bag
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