Intended Use; Technical Data - Bosch GLL 2-20 Operating/Safety Instructions Manual

The tool is intended for determining and checking horizontal and vertical lines. The measuring tool
is suitable exclusively for operation in enclosed working sites.
Inserting/Replacing the Battery
Use only alkaline batteries.
To open the battery lid 5, push the latch of the
battery lid 6 and turn the battery lid up. Insert
the supplied batteries.
When inserting, pay attention to the correct
polarity according to the representation on the
inside of the battery compartment.
The numbering of the product features shown
refers to the illustration of the tool on the
graphic page.
1 Exit opening for laser beam
2 On/Off switch
3 Tripod mounting thread 1/4-20
4 Laser warning label
5 Battery lid
6 Latch of battery lid
7 Button for switching off the automatic
leveling
8 Operating mode button
9 Leveling warning indicator
10 Operating mode indicator
11 Working without automatic leveling indicator
Working range:
(Diameter), to approx
Leveling accuracy: . . . . . . up to 3/16-in at 30 ft
Self-leveling range, typically . . . . . . . . up to ±4°
Leveling duration, typically . . . up to 4 seconds
Operating temperature . . . . . . . 41° F to 104° F
Storage temperature . . . . . . . . . . -4° F to 158° F
1)
The working range can be decrease by unfavorable environmental conditions (e.g. direct sun irradiation)

Intended Use

Technical Data

1)
. . . . . .up to 65 ft (20 m)
(±4 mm at 10 m)
(+5° C to +40° C)
(–20°C to +70° C)
Preparation
Always replace all batteries at the same time.
Only use batteries from one brand and with the
identical capacity.
! WARNING
it for extended periods. When storing for
extended periods, the batteries can corrode
and discharge themselves.
Features
12 Positioning device
13 Mounting screw for positioning device
14 Swiveling disc to move laser left to right
15 Fine adjustment knob
16 Ceiling grid clip
17 Magnets
18 Retractable feet
19 Screw hole for positioning device
20 Laser viewing glasses*
21 Tripod*
22 Laser target plate
23 Protective carrying case
24 Magnets
*The accessories illustrated or described are
not included as standard delivery.
Relative air humidity, max. . . . . . . . . . . . . 90 %
Laser class . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Laser type . . . . . . . . . . . . . 635/639 nm, <1mW
Tripod mount . . . . . . . . . . . . . . . . . . . . . .1/4"-20
Batteries . . . . . . . . . . . . . . . . . . . . .4 x AA 1.5V
Operating lifetime, approx . . . . . . . . . . . . . 12 h
Weight . . . . . . . . . . . . . . . . . . . . . 0.7 lb (0.3 kg)
Dimensions . . . . . . . . . . . . . . . 4.9" x 3.6" x 2.6"
The tool can be clearly identified with the serial
number 4 on the type plate.
-8-
Remove the batteries from
the tool when not using
(125 x 90 x 67 mm)