Leica L5 FL Bedienungsanleitung
Leica L5 FL
User manual
Leica L5 FL 2
Contents
Overview
Safety concept 4
Symbols 7
Assembly
Fiber-optics connection 9
Excitation filter 10
Operation
Hinged arm 12
Stereomicroscopes M series 13
Stereomicroscopes S series 14
Remote control connection 15
Lamp: Installation, replacement 16
Starting up 17
Luminous intensity setting 18
Electronic setting 18
Mechanical diaphragm 20
Additional optics 20
Adjusting the focusing lens 21
Maintenance 22
Removing malfunctions 22
Accessories, spare parts 24
Technical data 25
Leica L5 FL3
LeicaL5FLOverview
1. Power switch
2. Fiber-optics connection
3. Electronic luminous intensity setting
4. Mechanical luminous intensity setting
5. LCD
6. Pivoted lever for additional optics
7. Filter wheel
8. Socket for remote control
and/or tilt switch
9. Carrying handle
10. Lamp housing with halogen cold-light reflector lamp
11. Release button for lamp housing
12. Power supply cord
13. Ventilation openings (front side of instrument)
14. Ventilation openings (side of instrument)
15. Exhaust screen (rear of instrument)
16. Fuse (bottom of instrument)
17. Identification label (bottom of instrument)
18. Color temperature display
19. Error status display
20. Note on maximum luminous intensity
21. Note on "STANDBY” mode
22. Note on connected remote control
Leica L5 FL4
Intended use:
The Leica L5 FL cold-light source is intended for use in
industry and laboratories.
Cold-light sources are used for intensive illumination of all
types of objects. The infrared portions of the lamp radiation
are filtered out. Visible light of high intensity is guided
to the object through flexible or self-supporting movable
fiber-optic light guides.
The light source was developed for operation in dry rooms
only (see page 25 "Technical Data").
This instrument is not intended for operation in explosion-
prone areas.
A safe disconnect from the power supply system is
achieved by disconnecting the power plug. The instrument
must not be opened, disassembled or modified.
Technical changes to the instrument are not allowed.
Repairs may only be performed by the manufacturer or
authorized customer service centers.
Please ensure that every user of the instrument has
immediate access to these operating instructions.
The manufacturer is not liable for any damages resulting from
the noncompliance with these operating instructions.
Safetyconcept
Leica L5 FL 5
The instrument was tested and certified according to the
applicable standards for electrical lab equipment (DIN EN
61010-1 orUL 3101-1), the 230 V version also in accordance
with the standardfor medical-electrical equipment (DIN EN
60601-1).
Avoid looking directly into the open tensioning sleeve or
the fiber-optics output when the light source is activated.
The Leica L5 FL emits visible light of high intensity. Since
light-absorbing materials have the physical characteristic
of converting incident light into heat, damages may occur to
heat-sensitive or inflammable light-absorbing materials.
To avoid such thermal damages and possible fire hazards or
risk of burns, please observe the following notes:
-Never cover the open tensioning sleeve or the fiber-optics
output (fire hazard)!
-Never cover the open tensioning sleeve or the fiber-optics
output with your hand or another body part (risk of burns)!
-When illuminating heat-sensitive or inflammable light-
absorbing objects (e.g. in microscopy), special attention
should be paid to select a distance of the fiber-optic light
guide and lamp brightness that will not create any thermal
damages to the object.
Leica L5 FL6
-All fiber-optics outputs that are not used in the operation
must always be located at a safe distance—at least 10 cm—
from heat-sensitive or inflammable light-absorbing materials
with activated light source (avoiding possible fire hazards).
-For this reason, pay attention to the safe distance with fiber-
optic materials, e.g. from dark/colored textiles and
dark/colored wood or plastic surfaces.
-To avoid unnecessary stress on biological tissue through
illumination with visible light, reduce the brightness and
duration of the illumination to the absolute necessary
measure.
It is absolutely necessary that:
-the Leica L5 FL cold-light source is operated with the
voltage listed on the identification label (17).
-all ventilation openings (13, 14, 15) must be kept open; with
insufficient cooling, an integrated thermal circuit breaker
temporarily switches off the instrument (see page 22
"Removing Malfunctions").
-the lamp has cooled off before replacing it. As a reminder,
a warning label is affixed in the door of the lamp housing.
-the filter wheel has cooled off before removing it. It is
equipped with the warning label.
-the light source is operated only with inserted filter wheel.
The filter wheel must always be located in one of the five
lock-in positions.
Safetyconcept
Leica L5 FL 7
Warning about electrical voltage
This symbol denotes information which must be read and
obeyed.
Nonobservance can put personnel at risk!
Warning about a danger area
This symbol denotes information which must be read and
obeyed. Nonobservance can put personnel at risk! (Caution,
observe the documentation)
Nonobservance can cause malfunctioning or damage to the
equipment.
Warning about hot surfaces
Risk of burns in case of a hot surface!
Important Information
This symbol denotes additional information or explanations
which promote understanding.
Action
Within the text, this symbol indicates actions that must be
performed.
Explanatory notes
This symbol is found in texts next to supplementary
information and explanations.
Symbols
8
Leica Stereomicroscope MZ6
with Leica L5 FL
Leica Stereomicroscope S8 APO
with Leica L5 FL
Leica L5 FL 9
The fiber-optic light guide for the fluorescence
illumination has a special diameter of 9 mm. For
this reason, the connecting adapter must be
removed before the fiber-optic light guide can be
inserted. First, the outer black ring is completely
removed by turning it counterclockwise (Figs. 1
and 2).
The connecting adapter warms up during operati-
on. Please ensure that it is cooled off before
removing it.
To remove the adapter, first completely
unscrew the black ring.
Next, slightly press the adapter together at the
marked positions and remove it.
The adapter is inserted in reverse order.
Please store the connecting adapter in a safe
place for later use with other fiber-optic light
guides.
Screw the black ring back on the fiber-optics
connection (Fig. 4), but do not tighten it at this
time.
Insert the fiber-optic light guide until it stops
and close the fiber-optics receptacle (Fig. 5).
If other fiber-optic light guides are used:
If fiber-optic light guides with guide pins are used,
it must be observed that it is fitted into one of the
four collet chuck slots.
Assembly
Fig. 1
Fiber-optics connection
Fig. 2
Connecting adapter
Fiber-optics
connection
Fig. 3 Fiber-optics connection
without connecting adapter
Fig. 4
Black ring
Fig. 5
Connected fiber-optic light guide
Leica L5 FL10
Please ensure that your Leica L5 FL is operated
only with inserted filter wheel.
Only then is a perfect air cooling of the light
source possible.
Please ensure that the filter wheel is always
locked in one of the preset lock-in positions.
Operating the light source at an interim position
of the filter wheel can cause the wheel to
overheat. The knurling of the filter wheel features
position marks (the position 0 through 4 are marked
by means of raised points in corresponding
numbers).
The excitation filter is inserted in the Leica L5 FL
cold-light source.
To insert the filter in the filter wheel, the
filter holder must be removed from the lamp.
Next, the filter holder (Fig. 1) must be
disassembled. This requires a Philips-type
screwdriver.
Please ensure that the light source is switched off
and has cooled off before removing the filter
wheel. A warning label is attached as a reminder.
Excitation filter
(M series and S series)
Fig. 1
Disassembled
filter holder
Assembly
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