Würth LRU 22 - Proper Use; Technical Specifications; Device Elements (Fig. I); Start-Up

10
Proper use
Depending on the selected operating mode, the
receiver detects either the laser beams of our rotat-
ing lasers or the (horizontal or vertical) laser lines of
our line lasers with implemented hand-held receiver
function. Any other use than the described above
shall be deemed to be improper use.
The user is liable for damage resulting from
improper use.
Device elements (g. I)
1 Magnet
2 LED indicator (orange)
3 LED indicator (green)
4 LED indicator (red)
5 Laser receiver eld
6 Marking groove
7 Clamp
8 Keypad
9 Tubular vial
10 Display
11 Type plate with serial number
12 Fixing thread for the clamp
13 Loudspeaker
14 Battery cover
Technical specications
Item 5709 300 454
Receiver eld length 90 mm
Reception angle ± 45°
Wave length 510 ... 675 nm
Working radius
with rotating laser
Up to 400 m (recommend-
ed speed: 300-1200 rpm)
Working range
with line laser
Up to 65 m
(only pulsed laser lines)
Pulse frequency of line
laser
7 ... 12 kHz
Accuracy of readings ±1 mm / ±2 mm /
±5 mm/ ±10 mm
Volume High / low / o
Automatic switch-o After 30 min without press-
ing a button / receiving a
laser beam
Filter of ash light and sun light
Dimensions (height x
width x depth)
135 x 73 x 26 mm
Weight without clamp 0.2 kg
Protection class IP 67
Battery type 1 x AA
Battery life > 45 h
Operating temperature -10°C to +50°C
Storage temperature -40°C to +70°C
Start-up
Protect the device against hard shocks or
drops.
Inserting /changing the battery (fig. I/II)
■ Change the battery if is displayed.
■ Open the battery cover [14].
■ Remove the battery and insert a new one (ob-
serve correct polarity!).
■ Dispose of the used battery
(see chapter on environmental protection).
Note
The device must only be operated using
alkaline batteries.