KRAFTWERK 31135 Manual
Art. 31135
Using-Instructions
Digital infrared thermometer
LASER RADIATION
DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
www.KRAFTWERKtools.com
This thermometer is a non-contact temperature measuring thermometer using infrared technology. You can use it to
measure the surface temperature of an object or find leaks along walls, molding, ductwork and more. The auto color
change feature provides quick, intuitive feedback, showing you where to caulk, insulate, etc.
This thermometer is a fast measuring device, it is reliable and easy to operate.
2
INTRODUCTION
1. When the thermometer is in use, do not look directly into the laser beam; otherwise permanent eye damage may result.
2. Use extreme caution when operating the laser.
3. Do not point the laser beam toward anyone's eye or allow the laser beam to strike the eye from a reflective surface.
4. Keep the thermometer out of reach of children.
5. Do not use the thermometer where explosive or flammable liquids, gases, or dust is present.
WARNING
THE INFRARED THERMOMETER SHOULD BE PROTECTED FROM THE FOLLOWING:
1. Electro Magnetic Fields ( created by arc welders, induction heaters and similar items.)
2. Thermal Shock ( caused by large or abrupt ambient temperature changes. Allow 30 minutes for thermometer to
stabilize before use. )
3. Do not leave the thermometer on or near objects of high temperature.
CAUTIONS
INSTRUCTION
LASER RADIATION
DO NOT STARE INTO BEAM
CLASS II LASER PRODUCT
3
1. Temperature Difference Indicators
HIGH (Red)---------Appears when the presently scanned temperature is higher than the reference temperature by
more than the threshold you set.
NORMAL (Green)--Appears when the difference between the presently scanned temperature and the reference
temperature does not exceed the threshold.
LOW (Blue)---------Appears when the presently scanned temperature is lower than the reference temperature by
more than the threshold.
2. Temperature Measurement Indicator
Indicates that the thermometer is making temperature measurement.
3. Battery Charge Level Indicator
---Indicates that the batteries are high and measurements are possible.
---Indicates that the batteries are low and should be replaced immediately although measurements are still possible.
---Indicates that the batteries are exhausted.
4. Scanned Temperature
5. Reference Temperature Indicator
6. Arrowhead Icons for Indicating the Threshold
7. Reference Temperature
8. Units
When the battery charge level indicator shows “ ”, the batteries are low and should be replaced immediately.
Wait until the thermometer turns off automatically, then remove the battery cover by moving it downwards. Replace
the old batteries with new ones of the same type, make sure that the polarity connections are correct. Reinstall the
battery cover.
INSTALLING BATTERY
UNDERSTANDING THE DISPLAY
1. Hold the thermometer and point it toward the target to be measured. Pull and hold the trigger for at least 1
second to start measuring. When the thermometer is in measurement state, the backlight and the laser are on,
and the screen shows the icon “SCAN”. When you release the trigger, the thermometer sounds 3 beeps and the
laser turns off and the last temperature reading is held on the screen. If you have not operated the thermometer
for about 15 seconds, the backlight will turn off automatically, and, If you have not operated the thermometer for
about 1 minute, the thermometer will turn off automatically.
2. When the thermometer is in measurement state ( the trigger is pulled and held ), you can press the “ ” button
to set the reference temperature, which is shown on the secondary display (the lower display).
3. When the thermometer is in ON state ( the trigger is not pulled ), you can press the “ ” button to select desired
unit: °C or °F. ( The primary display and the secondary display share the same unit. )
4. When the thermometer is in ON state ( the trigger is not pulled ), you can press and hold down the “ ” button
for about 3 seconds to turn off the thermometer.
5. You can press the “ ” button to select desired threshold (0.5°C/1°F, 3°C/5°F, or 5.5°C/10°F), the arrowhead
icon ( ) on the screen will move to the corresponding position to indicate your selection. If you want to disable
the threshold feature and turn off the leak detection, press the “ ” button until the arrowhead icon is directly
above and points to the “ OFF ” mark.
6. After you finish setting the reference temperature and threshold, during measurement, the backlight will be green
and the symbol “NORMAL” will appear on the top right corner of the screen if the difference between the
presently scanned temperature and the reference temperature does not exceed the threshold you selected. The
backlight will be blue and the symbol “LOW” will appear on the top right corner of the screen and the built-in
buzzer will sound slow beeps (about one beep per second) if the presently scanned temperature is lower than the
reference temperature by more than the threshold. The backlight will be red and the symbol “HIGH” will appear on
the top right corner of the screen and the buzzer will sound fast beeps (about two beeps per second) if the
presently scanned temperature is higher than the reference temperature by more than the threshold.
7. To find a leak:
After finishing setting the desired reference temperature and threshold, point the thermometer at the wall,
molding, ductwork or other surface, and start measuring temperature. When the position where a leak exists is
being scanned, the temperature reading is probably very different from the temperature reading of other position
where there is no leak. When the difference between the present temperature reading and the preset reference
temperature exceeds the threshold you set, the display backlight color will change and the built-in buzzer will
give an audible alarm see step 6).
8. When the ambient temperature is lower than 0°C or higher than 40°C, the primary display will show “Err” (Error).
9. When the scanned temperature is higher than the upper limit of the thermometer’s measuring range, the primary
display will show “Hi”; and when the scanned temperature is lower than the lower limit of the thermometer’s
measuring range, the primary display will show “Lo”.
OPERATING INSTRUCTION
1. Shiny or polished surfaces can give inaccurate readings. To compensate for this, cover the surface with masking
tape or flat colored paint. When the tape or paint reaches the same temperature as the target underneath,
measure the temperature of the item.
2. The thermometer cannot measure through transparent surfaces such as glass or plastic. It will measure the
surface temperature instead.
3. Steam, dust, smoke, and other optical obstructions can prevent accurate measurement.
NOTE:
4
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 16cm, the " target " spot
would be 2 cm in diameter. The thermometer will display the average temperature across the target area.
FIELD OF VIEW
To clean the lens: Blow off loose particles using clean compressed air. Gently brush remaining debris away with a
moist cotton cloth.
To clean the case: Wipe the case with damp, soft cloth.
Note:
Do not use solvent or abrasive to clean the lens or the case, and do not submerge the thermometer under water.
Distance to Spot size= 8 : 1
MAINTENANCE
5
SPECIFICATION
Measuring Range
Response Wavelength
Measuring Precision
Response Time
Optical Ratio(D:S)
Emissivity
Display Resolution
Backlight Shut Off
Auto Power Off For Thermometer
Power Supply
Operating Temperature
Operating Humidity
Storage Temperature
Dimensions
Weight
-38°C ~ +520°C ( -36.4°F ~ +968°F )
7.5 ~ 13.5 µm
± 2°C (4°F) or 2% of reading, whichever is greater
1 sec
8 : 1
0.95
0.1°C / 0.1°F
In about 15s of inactivity
In about 60s of inactivity
1.5 V battery, AAA or equivalent, 2 pieces
0°C ~ 40°C
0 ~ 75% RH, non-condensing
-20°C ~ 60°C，≤ 85%RH
160×118×40 mm
About 155 g (including batteries)
Distance
Spot
Center
DECLARATIONOF CONFORMITY
Model: 31135
Digital infrared thermometer
KRAFTWERK Sàrl,
25 rue due Stade, F-67870 Bischoffsheim
Declares under sole responsibility that the product to which this declaration relates is in conformity with the following
standard(s) or other normative document(s):
Following the provisions of Directive(s)
Machinery Directive:
Bischoffsheim, 18/01/2017
2014/30/EU
Alexander Pieper
CEO
www.KRAFTWERKtools.com
NOTE: End of life electrical equipment must not be placed in household waste. Please take it o a
return point. Find out about your nearest return point from your council or sales outlet.
EN 61326-1: 2013 EN 61326-2-2: 2013
Emission: CISRP 16-1-1:2010+A1:2010 16-2-3:2010+A1:2010
Immunity: IEC 61000-4-2:2001 EN6100-4-3:2002
www.KRAFTWERKtools.com
KRAFTWERK Europe AG
Mettlenbachstrasse 23
CH-8617 Mönchaltorf
Tel. +41-44 949 40 50
KRAFTWERK Sàrl.
25, rue du Stade
F – 67870 Bischoffsheim
Tel. +33-388 48 64 50
Switzerland France
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