3
EN
Ermenrich LT20/LT40 Laser Level
Getting started
Make sure that the lock/unlock switch (5) is in the locked position. Open the battery compartment cover and insert 4 AA batteries according to
the correct polarity. Close the cover.
WARNING:
When moving the laser level or storing it, keep the switch (5) locked.
Auto-leveling mode
Slide the switch (5) to the unlock position. All the laser beams will light up. The power indicator light (8) is green. If the power indication is red
and laser beams flash frequently, place the device on a flatter surface.
Press (1) to change the laser beam. Setting order: Vertical laser beam is on → horizontal laser beam is on → both laser beams are on.
To turn the device off, switch (5) to the locked position.
Locked mode
Slide the switch (5) to the locked position. Press (1) and hold it for 3 seconds. All the laser beams will be flashing. The power indicator light (8) is
red. In locked mode, the device can be angled as needed. This way, it is possible to project inclined lines. The autocalibration will be switched off.
Press (1) to change the laser beam. Setting order: vertical laser beam is on → horizontal laser beam is on → both laser beams are on.
Press (1) and hold it for 3 seconds to turn the device off.
Brightness adjustment
When in auto-leveling or locked mode, press +/– to change the brightness level. There are ten brightness levels. The last brightness level will be
saved when the device is turned on again.
Pulse mode
Unlock the device. Press (1) and hold it for 3 seconds to enter pulse mode. The power indicator light (8) will be flashing.
Note!
Brightness adjustment is not possible in pulse mode.
Specifications
LT20
LT40
Laser color
red
green
Laser wavelength
635–670nm
505–550nm
Working distance
15m
30m
Laser class
class II
Expanded angle
>130°, 2 lines: horizontal, vertical
Brightness levels and working time
10 levels of brightness:
1 = 40h
10 = 180h
10 levels of brightness:
1 = 10h
10 = 40h
Compensation range
4°±1°
Level accuracy
±1.5mm/5m
Tripod adapter
1/4"
Protection level
IP54
Power supply
4 AA batteries
Operating temperature range
–10… +50°C (14…122°F)
Dimensions
91x58x84mm (3.5x2.2x3.3in)
The manufacturer reserves the right to make changes to the product range and specifications without prior notice.
Care and maintenance
Please carefully read the safety instructions and user manual before using this product. Otherwise, it may result in hazardous laser radiation
and electric shock. Keep away from children.
This is a class II laser product. Please DO NOT look directly into the beam with unprotected eyes or through an optical device at any time
and never direct it toward other people. Do not remove any safety labels. Do not aim the device directly at the sun. Do not try to disassemble
the device on your own for any reason. For repairs and cleaning of any kind, please contact your local specialized service center. Protect
the device from sudden impact and excessive mechanical force. Do not use the product in explosive environment or close to flammable
materials. Store the device in a dry cool place. Only use accessories and spare parts for this device that comply with the technical
specifications. Never attempt to operate a damaged device or a device with damaged electrical parts! If a part of the device or battery is
swallowed, seek medical attention immediately.
