Leica Basic Laser Plummet
User Manual
SNLL 111
Version 1.1
English
01-BLL
© Leica Geosystems 1 Basic Laser Plummet-1.1.0en
Congratulations on your purchase of this
Leica Geosystems instrument.
This manual contains important safety
directions (refer to chapter "Safety
directions") as well as instructions for
setting up the instrument and operating it.
Read carefully through the User Manual
before you switch on the instrument.
Basic Laser Plummet-1.1.0en 2 © Leica Geosystems
Product identification
The model designation and the serial number of your instrument
can be found on the data plate outside of the housing. Enter model
and serial number in your User Manual, and always refer to this
information when you need to contact your agency or authorized
service workshop.
Type: Serial no.:
© Leica Geosystems 3 Basic Laser Plummet-1.1.0en
Symbols used in this manual
The symbols used in this User Manual have the following
meanings:
DANGER:
Indicates an imminently hazardous situation which, if
not avoided, will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation or an
unintended use which, if not avoided, could result in
death or serious injury.
CAUTION:
Indicates a potentially hazardous situation or an
unintended use which, if not avoided, may result in
minor injury and/or appreciable material, financial and environmental damage.
Important paragraphs which must be adhered to in
practice as they enable the product to be used in a
technically correct and efficient manner.
Basic Laser Plummet-1.1.0en 4 © Leica Geosystems
Contents
Symbols used in this manual ..................................... 4
Contents ....................................................................... 5
Description of Instrument ......................................... 6
Sensor Nadir Laser plummet type SNLL111 ............................ 6
Functions ..................................................................... 7
ON/OFF ..................................................................................... 7
Function AutoOff.......................................................................7
Laser brightness ......................................................................... 8
Weak battery .............................................................................. 8
Replacing batteries ....................................................................9
Setting up................................................................... 10
Setting up over ground point ...................................................10
Checking and Adjusting .......................................... 12
Care and Storage ......................................................14
Safety Directions....................................................... 16
Intended use of instrument ...................................................... 16
Limits to use.............................................................................17
Responsibilities ........................................................................ 18
Hazards in use .......................................................................... 19
Laser classification .................................................................. 23
Electromagnetic Compatibility (EMC) ................................... 27
FCC statement (applicable in U.S.) ........................................ 28
Technical Data .......................................................... 30
© Leica Geosystems 5 Basic Laser Plummet-1.1.0en
Description of Instrument
Sensor Nadir Laser plummet type SNLL111
03-BLL
• For centering the tripod over ground points.
• For general-purpose plumbing.
• For using reflector holders and sensors.
Basic Laser Plummet-1.1.0en 6 © Leica Geosystems
Functions
ON/OFF Function AutoOff
The basic laser plummet is
switched off automatically after
approximately three minutes.
This function is always active.
05-BLL
Press briefly for switching on
the basic laser plummet.
© Leica Geosystems 7 Basic Laser Plummet-1.1.0en
Laser brightness
Weak battery
06-BLL
Permanent pressing changes
brightness of laser.
If the diode is flashing the
capacity of the battery is too
low.
Always have spare
batteries with you.
This will ensure that work can
07-BLL
be completed without
discontinuation.
Laser weak Laser
intensive
The brightness adjustment
remains active even after
switching off the basic laser
plummet.
Basic Laser Plummet-1.1.0en 8 © Leica Geosystems
17-BLL
Replacing batteries
1. Remove cover.
2. Tilt the instrument to allow
batteries to slide out.
3. Insert new batteries.
08a-BLL
Insert batteries
correctly.
4. Close cover correctly.
08b-BLL
Always replace the
complete battery set.
• Do not use old and new
batteries together.
• Do not use batteries from
different manufacturers or
batteries of different types.
• For type of battery, refer to
there are two directions that the
cover can be locked.
Cover is 180°
symmetrical, hence,
Technical Data.
© Leica Geosystems 9 Basic Laser Plummet-1.1.0en
08c-BLL
08d-BLL
Setting up
Setting up over ground point
2
1
1
1
09a-BLL
3
09b-BLL
1. Set up tripod with tribrach
(only GDF111 or GDF121) as
vertically as possible above the
ground point.
3. Turn the base screws of the
tribrach until the laser spot
coincides with the ground point.
2. Insert basic laser plummet
into the tribrach and switch on.
The basic laser
plummet can only be
used together with one of the
and target point.
No objects between
basic laser plummet
tribachs mentioned above.
Basic Laser Plummet-1.1.0en 10 © Leica Geosystems