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11 Troubleshooting
If the message Error does not disappear
after switching on the device repeatedly,
please contact the dealer.
If the message InFo appears with a number,
observe the instructions in the following
table.
No.
Cause
204 Calculation error
252 Temperature too high
253 Temperature too low
255 Reception signal too
weak, measuring time
too long
256 Input signal too high
257 Measuring error, too
much background light
258 Measurement outside
of the measuring range
260 Laser beam interrupted Repeat the

12 Technical data

Range
Measuring accuracy (2 σ)
Smallest unit displayed
Laser class
Laser type
Automatic switch-off
Continuous measuring
Addition/Subtraction
Dimension (H x D x W)
Battery durability
(2 x AAA)
Weight
Correction
Perform measurement
again.
Let the device cool
down.
Warm the device up.
Change target surface
(e.g. white paper).
Change target surface
(e.g. white paper).
Shadow the target
area.
Mind the range.
measurement.
0.1 m to 30 m
0.33 ft to 98 ft
typ.: ± 2.0 mm*
± 0.08 in*
1 mm
0.08 in
2
635 nm, < 1 mW
after 180 s
yes
yes
116 x 51 x 26 mm
up to 3000
measurements
110 g
Temperature range:
- Storage
- Operation
* under favourable conditions (good target
surface, room temperature) up to 10 m (33 ft).
Under unfavourable conditions such as bright
sunlight, a very weakly reflecting target surface
or large temperature fluctuations, the error can
increase to ± 0.25 mm/m (± 0.003 in/ft) for
distances over 10 m (33 ft).
12.1 Electromagnetic
compatibility (EMC)
Warning
Possible disturbance of other devices
(e.g. safety equipment, medical equipment)
due to electromagnetic radiation!
Observe the safety instructions of the respective
devices.
Despite the compliance with all requirements of
the corresponding directives and norms, a
disturbance of other devices is possible.
12.2 FCC statement (applic. in
U.S.)
This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment
generates, uses and can radiate radio frequency
energy and, if not installed and used in
accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation. If this
equipment does cause harmful interference to
radio or television reception, which can be
determined by turning the equipment off and
on, the user is encouraged to try to correct the
interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the
equipment and receiver.
-25 °C to 70 °C
-13 °F to 158 °F
0 °C to 40 °C
32°F to 104°F
11/142

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