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HM-174
517400 / V. 1.0
www.humberg.pl
PL
DE
ODBIORNIK WIĄZKI LASERA
LASERLINIEN-EMPFÄNGER
LINE LASER DETECTOR
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EN USER MANUAL
Thank you for choosing a Humberg product. This manual contains the most important informa-
tion regarding the construction, operating principles and maintenance of the HM-174 line laser
detector. Before starting work with the device, please read the contents of this manual care-
fully and follow all safety recommendations included herein. Proper use in accordance with the
intended purpose ensures long service life of the device, high measurement accuracy and safe
operation.
⚠ Warnings!
Before using the line laser detector, carefully read the following warnings. Failure to follow
safety rules may result in improper operation of the device, damage to the device or a hazard to
the user.
• The device is intended for cooperation with line lasers supporting the detector mode
(OUTDOOR / PWM). When used with a laser that does not support this mode, the detector
may not detect the laser beam.
• Do not direct the laser beam into the eyes – it may cause permanent eye damage.
• Do not open the device housing or attempt to perform repairs yourself.
• Avoid exposing the detector to strong impacts, drops or vibrations.
• Do not use the device in environments with high humidity, near flammable liquids or in
explosive atmospheres.
• Protect the device from direct exposure to rain, dust and dirt – it is recommended to use it in
dry working conditions.
• Do not leave the device in places with high temperatures (e.g. inside a car in the sun) or near
heat sources.
• Use only batteries of the recommended type and voltage. Do not mix new and used batte-
ries.
• If the device will not be used for an extended period, remove the batteries to prevent elec-
trolyte leakage.
• Store the device out of reach of children.
• Do not dispose of the device or used batteries with household waste. Used components
must be delivered to an electrical and electronic equipment collection point or an appropriate
battery disposal container.
About the device
The HUMBERG HM-174 line laser detector is used to receive and precisely determine the
position of a laser beam generated by levels or line lasers equipped with detector mode
(OUTDOOR / PWM). The device enables beam detection in bright sunlight or at greater distan-
ces, where the laser line may be difficult to see with the naked eye. The product is intended for
professional and hobby applications in construction, installation and finishing works.
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Device construction (Fig. I)
1. Power button
2. Status indicator lights
3. Built-in bubble level
4. Baseline
5. Receiving window
6. Power indicator light
7. Buzzer
8. Mounting bracket
Device operation
1. Switch on the laser modulation mode (OUTDOOR / PWM)
This mode is required for proper cooperation with the detector. When using lasers not equipped
with this function, the device may not detect the laser beam.
2. Switching the device on
• Attach the detector to a wall, tripod or another stable surface.
• Briefly press the power button – the device will start and the status indicator light will
illuminate.
• The red, blue and green LEDs will light up one after another and then turn off. The buzzer will
emit a sound lasting approximately 1 second and then turn off.
• The power indicator light will remain on, indicating the device is ready for operation.
• To switch off the detector, briefly press the power button again.
3. Locating the laser line
Move the detector up and down to find the position of the laser beam.
a) When the laser line is below the reference line (baseline) – the buzzer emits a fast intermit-
tent sound and the lower status indicator light illuminates.
• Move the detector downward until the beam is in the center of the receiving window.
• At the baseline position, the buzzer emits a continuous sound and the middle status indica-
tor light remains on, indicating the laser position is correct.
b) When the laser line is above the reference line (baseline) – the buzzer emits a slower intermit-
tent sound and the upper status indicator light illuminates.
• Move the detector upward until the beam is in the center of the receiving window.
• At the baseline position, the buzzer emits a continuous sound and the middle status indica-
tor light remains on, confirming proper beam leveling.
4. Low battery level
• When the battery voltage drops to 1.8 V ± 0.2 V, the device enters low-voltage mode.
• In this situation, the power indicator light will start flashing and the device will emit a war-
ning signal.
• Replace the battery immediately and restart the detector.
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Maintenance and storage
• After finishing work, clean the device housing with a soft, dry cloth.
• For heavier dirt, use a slightly damp cloth.
• Do not use solvents, alcohol, gasoline or corrosive agents that may damage the housing
surface or optical elements.
• Clean the laser receiving window carefully to avoid scratching the lens.
• The device is not fully waterproof – protect it from direct exposure to rain, snow and from
ingress of dust and dirt into the housing.
• After working in a dusty environment, wipe the device thoroughly and allow it to dry in a dry
location.
• Do not perform repairs, adjustments or part replacements yourself.
• Report any malfunctions to an authorized service center or point of sale.
• Check the battery condition regularly and replace batteries as needed with new ones of the
recommended type.
• After finishing work, remove the batteries from the device to prevent discharge or electro-
lyte leakage.
• Store the detector in its original packaging or protective case, in a dry, ventilated place, away
from heat sources and direct sunlight.
• Do not store the device at temperatures below –10 °C or above +50 °C.
Technical data
Operating range > 70 m (depending on laser power and environmental conditions)
Detected laser beam Green
Measurement accuracy ±2 mm at 10 m
Power supply 2 × 1.5V AAA batteries
Signals and indicators LED indicators + buzzer
Built-in bubble level 30' (angular)
Tripod mount 1/4'' thread with locking screw
Working temperature range –10 °C to +40 °C
INFORMATION FOR USERS ON HOW TO DEAL WITH WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT.
If the device, packaging, instruction manual and the like are marked with the symbol of a crossed-out wheeled waste container, it
means that the device is subject to separate waste collection in accordance with Directive 2012/19/EU of the European Parliament
and of the Council. The used device should not be disposed of with other household waste and should not be treated as municipal
waste. By disposing of electro-waste in the container you pose a threat to the environment. Take the used device to a separate
collection point for electrical and electronic equipment organized by the public administration. By segregating and submitting used
electrical and electronic equipment for processing, recovery, recycling and disposal, you protect the environment from pollution
and contamination, contribute to reducing the use of natural resources and lowering the cost of producing new equipment. Proper
disposal and scrapping helps eliminate the adverse effects of scrapped products on the environment and human health. For details
on the recyclability of this product, please contact your local municipality, city cleaning services or the store where you purchased
the product.