Cocraft CA640 Bedienungsanleitung
Laseravståndsmätare
Laseravstandsmåler
Laseretäisyysmittari
art. nr model
40-8348 CA640
Version 201202
Laser
Distance Meter
English
3
Laser Distance Meter
Art.no 40-8348 Model CA640
Please read the entire instruction manual before using the product and save it for future reference.
We reserve the right for any errors in text or images and any necessary changes made to technical
data. If you have any questions regarding technical problems please contact our customer services.
1. Safety
Warning:
• Class 2 laser product (EN 60825-1:2007).
• Never look into the laser beam.
• Never point the laser beam into the eyes of people or animals.
• Do not use the distance meter on or near highly reflective surfaces since
the laser beam can be reflected back into your own or someone else’s eyes.
• Keep the distance meter out of children’s reach.
2. Product description
• Accurate laser measurements.
• Memory and mathematical functions for calibrating, area, volume,
total measurements and indirect height measurements.
• Backlit display.
• Measuring range: 0.05-40 m.
• Automatic shut-off.
• ¼″ Tripod mount.
2.1 Package contains
• Carry case
• Laser distance meter
• Batteries
• Instruction manual
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2.2 Buttons and functions
1. LCD display
2. Press to measure or long press for continuous measure.
3. Press to add a reading to the previous reading.
4. Press to turn on and long press to turn off.
5. Press to select measuring function for area, volume or indirect measurement.
6. Press to select units of measure: metre (m), feet (ft) or inches (in).
7. Press to subtract a reading to the previous reading.
8. Press to turn on the display’s backlight.
9. Press to change measuring reference. The distance meter has three reference points,
front, back and the tripod mount. Long press to turn the laser on and off.
10. 1/4″ tripod mount
11. Battery compartment
12. Receiving lens
13. Laser lens
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2.3 Digital display
The chosen function is shown on the display.
14. The laser icon will be displayed showing that the laser pointer is on.
15. Indirect measuring according to Pythagoras’ theorems.
16. Measuring functions
• Area measure
• Volume measure
17. Selected measuring reference point.
18. Max display for continuous measurement.
19. Shows any result added or subtracted from the previous measurement.
20. Min display for continuous measurement.
21. Main screen which displays both measurement results and units.
22. Battery status, battery symbol shows empty when it needs changing.
23. Displays selected measurement unit.
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3. Operation
Important
• Distance can be measured from the front or back of the device or from the tripod
mounting point. Make sure that the area between the meter and the measured surface
is free from obstructions.
• Make sure that the area between the meter and the measured surface is free from obstructions.
• If you need to measure the distance to a surface which is soft, irregular or too small,
place a piece of cardboard in front of the surface.
• The device cannot measure against or through any glass surfaces. Reflections from such
measuring may be faulty due to reflections.
3.1 Inserting batteries
1. Press to turn on the distance meter and laser. The laser indicator will display when
the laser is on.
2. Turn on the backlight when needed. Press .
3. Point the laser onto the area to be measured and press once to measure
(a short beep will be heard once the measurement has been taken).
4. The measured distance will be shown on the display.
5. If no button is pushed for 30 seconds, the laser will turn off automatically and after 3 min
the device will also turn off.
1. Open the battery cover on the bottom.
2. Insert two AA/LR6 alkaline batteries according to
the polarity markings in the battery compartment.
3.2 Measuring distance
Note: Always make sure that you have chosen the correct measuring units before measuring.
The unit of measure is displayed on the lower right corner of the screen (see Selecting measuring
units). Make sure that a reference point is chosen (see Changing measuring reference).
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3.3 Adding or subtracting measurements
Suitable for situations requiring several measurements because of immovable obstacles.
Example: Adding measurements
1. Take the first reading. Select distance, area or volume. Then press to save
the reading temporarily.
2. Point the laser to the next area to be measured and press again to measure.
Then press to add the current reading to the previous one.
3. The sum will be shown at the bottom of the display. The two added readings will display on top.
4. Continue adding readings by pressing and starting again from step 2. The sum will move
to the top.
Example: Subtracting measurements
1. Take the first reading. Select distance, area or volume. Then press to save the reading
temporarily.
2. Point the laser to the next area to be measured and press again to measure.
Press to subtract the current reading from the previous one.
3. The sum will be shown at the bottom of the display. The two previous readings will display on top.
4. Continue subtracting readings by pressing and starting again from step 2. The sum will
move to the top.
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max.
3.4 Continuous measurement
The distance meter has three measuring references. The last
measuring reference used will also be pre-selected measuring
reference the next time it is used.
Press until the measuring reference you desire appears in the upper left hand corner of the display.
Measuring from the front of
the distance meter.
Measuring from the back of
the distance meter.
Measuring from the tripod
mount.
3.6 Choosing measuring units
Long press until the desired measuring unit is shown in the lower right hand corner.
Available measuring units:
metres feet inches (x, x) 0′0″ 1/32 inches (x/x)
Length m ft in 0′0″ 1/32 in
Area m² ft² ft² ft² ft² ²
Volume m³ ft³ ft³ ft³ ft³ m³
Note: The same measure reference will be pre-selected the next time it is used.
1. Long press for about three seconds. The laser beam will be automatically activated.
2. Press if you want to pause during measuring.
Press to continue measuring.
3. During measuring both the min and max values will be displayed.
4. To finish measuring, first press to pause and then to finish.
3.5 Changing measuring reference
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4. Calculation functions
Note: Always make sure that you have chosen the correct measuring units before measuring.
The unit of measure is displayed on the lower right corner of the screen (see Selecting measuring units).
Make sure that a reference point is chosen (see Changing measuring reference).
4.1 Area Measurement
Follow the instructions on the display. The corresponding symbol for what is to be measured will
flash on screen.
1. Press once to select the area measuring function (the rectangle will show on the display).
The length side will begin to flash.
2. Point the laser over the area to be measured to measure length and press once to
measure (a short beep will be heard once the measurement has been taken).
3. The measured distance will be shown on the display. The width side will begin to flash.
4. Point the laser over the area to be measured, across the previous line measured and
press again to measure width (a short beep will be heard once the measurement
has been taken).
5. Both readings will show on top. The sum is shown at the bottom of the display.
4.2 Volume measurement
Follow the instructions on the display. The corresponding symbol for what is to be measured will
flash on screen.
1. Press twice to select the volume measuring function (the cube will show on the display).
The length side will begin to flash.
2. Point the laser over the area to be measured to measure length and press once to
measure (a short beep will be heard once the measurement has been taken).
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3. The measured distance will be shown on the display.
4. Point the laser over the area to be measured across the previous line measured to measure
width and press once to measure (a short beep will be heard once the measurement
has been taken).
5. Point the laser vertically on the surface of the area to be measured and press to
measure height (a short beep will be heard once the measurement has been taken).
6. The two previous readings will display on top. The sum is shown at the bottom of the display.
4.3 Indirect measurement
Follow the instructions on the display. The corresponding symbol for what is to be measured will
flash on screen.
The meter uses Pythagoras’ formula (a² + b² = c²) to calibrate height indirectly.
1. Press to select indirect measurement (a triangle symbol will show in the display).
2. Point the laser to the highest point of the object to be measured (the triangle’s hypotenuse
will flash). Press to register the first reading.
3. Point the laser directly parallel to the object to be measured (the triangle’s base will flash).
Press to start measuring.
4. The height (the triangle’s vertical line will begin to flash) is calculated automatically and will be shown.
4.4 Turning on the backlight
Press to turn on the backlight when needed.
5. Care and maintenance
• The distance meter is a sensitive instrument which should be handled carefully.
• Do not subject the instrument to knocks, strong vibrations or high temperatures.
• Store the meter in a clean and dry environment.
• Do not expose the instrument to dust or moisture since the lens can be damaged.
• Wipe the instrument with a soft cloth when needed.
• Remove the battery from the meter if it is not to be used for an extended period.
• Change the battery when the battery symbol shows empty.
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