BD21 / BD26
EN
OPERATING MANUAL
LASER DISTANCE MEASURING
DEVICE
TRT-BA-BD21-BD26-TC-003-EN
Table of contents
Notes regarding the operating manual................................. 1
Safety .....................................................................................2
You can download the current version of the operating manual
and the EU declaration of conformity via the following link:
Information about the device................................................3
Technical data .......................................................................4
Transport and storage...........................................................5
Operation ...............................................................................5
Fault indications .................................................................. 10
Maintenance and repair ......................................................11
Disposal ...............................................................................11
Notes regarding the operating manual
Symbols
Warning of laser radiation
This symbol indicates dangers to the health of persons
due to laser radiation.
Warning
This signal word indicates a hazard with an average
risk level which, if not avoided, can result in serious
injury or death.
BD 21
http://hub.trotec.com/?id=40260
BD 26
http://hub.trotec.com/?id=40261
Caution
This signal word indicates a hazard with a low risk
level which, if not avoided, can result in minor or
moderate injury.
Note
This signal word indicates important information
(e.g. material damage), but does not indicate hazards.
Info
Information marked with this symbol helps you to carry
out your tasks quickly and safely.
Follow the manual
Information marked with this symbol indicates that the
operating manual must be observed.
1 EN
Operating manual – laser distance measuring device BD21 / BD26
Safety
Read this manual carefully before starting or using the
device. Always store the manual in the immediate vicinity
of the device or its site of use!
Warning
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may
result in electric shock, fire and/ or serious injury.
Save all warnings and instructions for future
reference.
This appliance can be used by children aged from
8years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe
way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and
user maintenance shall not be made by children
without supervision.
• Do not use the device in potentially explosive rooms.
• Do not use the device in aggressive atmosphere.
• Do not immerse the device in water. Do not allow liquids to
penetrate into the device.
• The device may only be used in dry surroundings and must
not be used in the rain or at a relative humidity exceeding
the operating conditions.
• Protect the device from permanent direct sunlight.
• Do not remove any safety signs, stickers or labels from the
device. Keep all safety signs, stickers and labels in legible
condition.
• Do not open the device with a tool.
• Avoid looking directly into the laser beam.
• Never point the laser beam at people or animals.
• Only use the device if sufficient safety precautions were
taken at the surveyed location (e.g. when performing
measurements along public roads, on building sites etc.).
Otherwise do not use the device.
• Observe the storage and operating conditions as given in
the Technical data chapter.
Intended use
Only use the laser distance measuring device BD21 / BD26 for
measuring distances, areas and volumes by means of the
integrated laser and within the measuring range specified in the
technical data. Observe and comply with the technical data.
To use the device for its intended use, only use accessories and
spare parts which have been approved by Trotec.
Improper use
Do not use the laser distance measuring device BD21 / BD26 in
potentially explosive atmospheres or for measurements in
liquids. Never point it at people or animals. Trotec accepts no
liability for damages resulting from improper use. In such a
case, any warranty claims will be voided.
Any unauthorised modifications, alterations or structural
changes to the device are forbidden.
Personnel qualifications
People who use this device must:
• be aware of the dangers that occur when working with
laser measuring devices.
• have read and understood the operating manual, especially
the Safety chapter.
Residual risks
Warning of laser radiation
Laser class2, P max.: < 1mW, λ: 650nm,
EN 60825-1:2014
Do not look directly into the laser beam or the opening
from which it emerges.
Never point the laser beam at people, animals or
reflective surfaces. Even brief eye contact can lead to
eye damage.
Examining the laser output aperture by use of optical
instruments (e.g. magnifying glass, magnifiers and the
like) entails the risk of eye damage.
When working with a laser of class2, observe the
national regulations on wearing eye protection.
Warning
Risk of suffocation!
Do not leave the packaging lying around. Children may
use it as a dangerous toy.
Warning
The device is not a toy and does not belong in the
hands of children.
Warning
Dangers can occur at the device when it is used by
untrained people in an unprofessional or improper way!
Observe the personnel qualifications!
Caution
Keep a sufficient distance from heat sources.
Note
To prevent damages to the device, do not expose it to
extreme temperatures, extreme humidity or moisture.
Note
Do not use abrasive cleaners or solvents to clean the
device.
EN 2
Operating manual – laser distance measuring device BD21 / BD26
Information about the device
DIST
TIMER
Units
CLEAR
OFF
6
1
2
3
4
5
DIST
TIMER
Units
CLEAR
OFF
7
8
9
10
11
12
13
14
15
16
17
Device description
The laser distance measuring device is used to determine
distances, areas and volumes in interior spaces. Indirect
measurements are carried out employing the Pythagoras
function.
The device is equipped with separate operating elements(4) for
the different measuring functions. The multi-line and optionally
also illuminated display(5) indicates the determined values.
Owing to the dust- and splash-proof housing(IP54), the device
is also suited for use on construction sites.
Measuring distance
The range of the device can be gathered from the Technical
data chapter. Under certain conditions – e.g. at night, in twilight
or when the target is hidden in the shade – greater distances
are possible even without target plate. During the day use a
target plate to increase the distance for poorly reflecting targets.
Target surfaces
There might be measurement errors when the laser encounters
colourless liquids (e.g. water), dust-free glass, styrofoam or
other semi-permeable materials. The measurement result may
also be falsified if the laser encounters a high-gloss surface and
is deflected by it. Non-glossy, non-reflective or dark surfaces
can extend the measurement duration.
Device depiction
No. Designation
1 Battery compartment opening
2 Multifunctional end piece
3 Tripod thread
4 Operating elements
5 Display
6 Laser
Operating elements
No. Operating element
7 Press briefly: Switch-on/measurement button
Press for a long
time:
Button for permanent distance
measurements
8 Press briefly: Minus button
Press for a long
Signal tone button (on/off)
time:
9 Press briefly: Button for indirect measurements
10 Press briefly: Timer button
Press for a long
Setting the timer
time:
11 Press briefly: Unit button (ft, in, m)
12 Press briefly: Delete button
Press for a long
Switch-off button
time:
13 Press briefly: Save button (history)
14 Press briefly: Reference button
15 Press for a long
Inclination button (on/off)
time:
16 Press briefly: Area/room volume button
17 Press briefly: Plus button
3 EN
Operating manual – laser distance measuring device BD21 / BD26
Display
max
min
H
a
a
b
b
18
19
20
21
22
23
24
25
27
26
28
29
30
31
32
33
34
No. Display element
18 Battery status
19 Horizontal measuring distance
20 Measured minimum value
21 Vertical measuring distance
22 Delta = maximum minus minimum
23 Complementary display when using imperial units
24 Display of the selected unit. Possible units are:
ft3, ft2, in, m, m3, m
2
25 Measurement value display:
The lower measurement value display indicates the last
measured value or the result of a calculation.
The three upper measurement value displays contain the
past three measured values, the minimum and
maximum value or the measured values to be added or
subtracted.
26 History and timer indication
27
28
29 Reference value rear
30 Reference value front
Area measurement
Volume measurement
Indirect measurement (two auxiliary measurements)
Indirect measurement (three auxiliary
measurements)
31 Laser active
32 Measured maximum value
No. Display element
33 Timer indication
34 Inclination angle indication
Technical data
Parameter Value
Model: BD21 / BD26
Weight: 150 g
Dimensions (H x W x D): 118 x 49 x 27 mm
Measuring range: BD21: 0.05 to 70 m
BD26: 0.05 to 120 m
Accuracy: ±2 mm*
Measuring range resolution: 1 mm
Horizontal measuring range: ±90°
Horizontal measuring range
accuracy:
Number of recordings
logged in the history:
Type of protection: IP54
Operating temperature: 0 °C to 40 °C
Storage temperature: -20 °C to 70 °C
Laser output: < 1 mW (620-690 nm)
Laser class: II
Ø | m
Power supply: 2x Alkaline LR6 AAA batteries,
Automatic switch-off of the
device:
Automatic switch-off of the
laser:
*under favourable conditions (good target surface, room
temperature) up to 10 m
Scope of delivery
• 1 x Laser distance measuring device
• 2x Alkaline LR6 AAA, 1.5 V battery
• 1x Device bag
• 1 x Wrist strap
• 1 x Quick guide
±0.3°
10
6 mm / 30 mm / 60 mm |
10 m / 50 m / 100 m
1.5 V or NiMH 1.2V to 1.5V
(rechargeable batteries)
Battery life approx. 5000 to
8000 measurements
After approx. 3 minutes of
non-use
After approx. 30 seconds of
non-use
EN 4
Operating manual – laser distance measuring device BD21 / BD26
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