F e h l er ! V er w e n d en S i e d i e R egi s t er k ar t e 'S t ar t ', u m N a m e d em Tex t z u z u w ei se n , d er h i er a n gez ei gt w er d e n sol l . F e h l er ! V er w e n de n S i e
d i e R e gi st er k ar t e 'S t ar t ', u m N am e d em Tex t z u z u w ei s en , d er h i er an g ez ei gt w er d e n sol l . F e h l er ! V er w e n d e n S i e d i e R egi st er k ar t e
'S t ar t ', u m N am e d em Tex t z u z u w ei s en , d er h i er an g ez ei gt w er d e n sol l .
MLT 1000 MB
Headlight Tester
Original Operating Instructions
BA380801_001-en
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Safety .................................................................................................................... 4
Description ............................................................................................................ 5
Operation ............................................................................................................. 11
Maintenance ........................................................................................................ 15
Disposal ............................................................................................................... 15
Inspection Equipment Monitoring .......................................................................... 16
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1.1 Introduction .............................................................................................................. 4
1.2 Intended Use ........................................................................................................... 4
1.3 Safety Instructions .................................................................................................... 4
2.1 Requirements for the Place of Installation ................................................................. 5
2.2 Specifications ........................................................................................................... 5
2.3 Equipment Overview ................................................................................................ 6
2.4 Projection Screen ..................................................................................................... 7
2.5 Setting Wheel ........................................................................................................... 8
2.6 Definition of Technical Terms .................................................................................... 9
2.6.1 Pitch Angle ............................................................................................................... 9
2.6.2 Low Beam ............................................................................................................... 9
2.6.3 High Beam ............................................................................................................. 10
3.1 Positioning the Vehicle ........................................................................................... 11
3.2 Using the Colour Filter ............................................................................................ 12
3.3 Setting the Headlights ............................................................................................ 13
3.4 Measuring the Luminous Intensity / Illuminance ...................................................... 14
3.4.1 Low Beam ............................................................................................................. 14
3.4.2 High Beam ............................................................................................................. 14
4.1 Installing the Cover Hood ....................................................................................... 15
4.2 Cleaning ................................................................................................................. 15
6.1 Vertical and Horizontal Alignment of Headlight Tester ............................................. 16
6.1.1 Vertical Alignment ................................................................................................... 17
6.1.2 Horizontal Alignment .............................................................................................. 18
6.2 Laser Calibration Set .............................................................................................. 19
6.3 Laser Positions ....................................................................................................... 19
6.4 Checking the Precision of the Laser Calibration Set ................................................ 20
6.5 Mechanical Inspection ............................................................................................ 21
6.6 Adjusting the Pointer Position ................................................................................. 22
6.6.1 Adjusting the Projection Area .................................................................................. 25
BA380801_001-en
6.6.2 Calibration of the Luminous Intensity ...................................................................... 26
6.7 Inspection Certificates (Inspection Interval: Annually) ............................................... 27
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BA380801_001-en
Safety
Introduction
Intended Use
Safety Instructions
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Thoroughly read this manual before operating the equipment and comply with the
instructions. Always display the manual in a conspicuous location.
Personal injury and property damage incurred due to non-compliance with these
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safety instructions are not covered by the product liability regulations.
This device only serves to check and adjust the alignment of vehicle headlights.
This device cannot be modified without the express, written consent of the
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manufacturer. Any infringement renders the conformity declaration invalid.
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• This device must only ever be operated within its performance limits.
• All service work must be performed by service technicians employed by the
manufacturer or by authorized service partners.
• Never expose the lens to direct sunlight. The bundling of light may cause fire
damage inside the housing.
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• Only ever clean the lens with a soft cloth and a glass cleaning agent.
BA380801_001-en
Description
Requirements for the Place of Installation
Specifications
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Please observe your national guidelines and specifications.
Measuring range
below 0…600 mm / 10 m (0…6 %)
left 0…1000 mm / 10 m (0…10 %)
right 0…1000 mm / 10 m (0…10 %)
Height of luminous centre 240…2000 mm
Measuring distance 100…500 mm
Intensity
Luminous intensity 0…40 000 cd (Candela)
Illuminance 0…64 lx (Lux)
Operating range
Temperature +5…+40 °C
Relative humidity 20…80 %
Dimensions (W x H x D) 655 x 2240 x 720 mm
Weight 65 kg
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BA380801_001-en
Equipment Overview
housing to the desired test height is located in the interior of
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A
C
D E
F
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Column The column envelopes a precision profile which carries the
Carriage The carriage can be moved on two rails perpendicular to
Knob for Folding Mirror
BA380801_001-en
B
slide rails. The counterweight which can be used to set the
the column (automatic locking).
the vehicle’s approach direction.
The projection screen in the housing can be observed in
the folding mirror.
Projection Screen
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The projection screen is based on the test condition that the distance between
headlight and test surface is 10 m.
Use the folding mirror or the viewing window to observe the projection screen in
the housing on which the headlight beam is reproduced.
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The image on the projection screen is displayed 20 times smaller than the original.
Viewing Window
Light Measurement Unit
The projection screen in the housing can be viewed
through the viewing window.
The luminous intensity or illuminance of the headlights can
be checked using the light measurement unit.
When performing a light measurement, the colour filter
must be removed.
Setting Dial Use the setting dial to move the projection screen up and
down in the housing to achieve the desired inclination value.
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Dividing line = Reference axis for light-dark border of low beam
Tolerance mark (left) for inflection point of asymmetrical European low
beams
Tolerance mark (right) for inflection point of asymmetrical European low
beams
Central mark = Elementary point for setting the high beams
The outlined corners indicate the size of the test surface which is binding
based on the directives for vehicle headlight settings (e.g. in Germany).
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BA380801_001-en
Setting Wheel
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Use the setting wheel to move the projection screen up or down in the housing.
As the inclination of the headlight hot spot in relation to the driving surface is
usually expressed in percentage, the setting wheel has a percentage (%) dial.
The inclination values (light-dark border of the vehicle headlights) can be set from
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0 to -6 % using the dial.
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BA380801_001-en
Definition of Technical Terms
Pitch Angle
Low Beam
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Angle of inclination of light-dark limit against the test surface.
The inclination of headlight lighting bundle against the test surface is expressed as
a percentage, using 10 m as a reference parameter:
X 100
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BA380801_001-en
High Beam
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Boundary for light distribution between ‘top dark’ and ‘bottom light’ for lowbeam lights.
Synonymous with the light-dark limit for asymmetric low-beam lighting. The
deviation of the inflection point is expressed in %. 10 meters is used as the
reference dimension.
Angle between the inflection point on the rising component of the light-dark
limit and the horizontal line for asymmetric low-beam light.
Angle between the left component of the light-dark limit and the horizontal,
usually 0°.
From the central mark, the deviation of hot-spot is specified in X and Y di-
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rections.
Center of light beam for high-beam. The deviation of hot spot from central
mark is expressed in %.10 meters is used as the reference dimension.
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BA380801_001-en