LAR 350 Operating Instructions www.stabila.
LAR 350 en Contents Section 2 Page • 1. Intended Use 3 • 2. Safety instructions for laser units 4 • 3. Before First Use 4 • 4.1 System Elements • 4.2 Remote Control Unit Elements 5 6 • 5. Battery Insertion/Replacement 7 • 6. Using the Laser Unit 8 • 7. Tilt function 9 • 8.1 Automatic Operation with Tilt Function • 8.2 Automatic Operation with Relevelling 10 11 • 9.1 Manual Operation with Tilt Function • 9.2 Manual Operation without Tilt Function 12 13 • 10.
LAR 350 en 1. Intended Use The STABILA LAR-350 is an easy-to-use rotation laser for horizontal and vertical levelling, including obtaining plumb lines. The LAR-350 has a sealed enclosure (IP 65) for use on construction sites. It is self-levelling within a range of ± 5°. The laser beam can be picked up using a receiver even where it can no longer be discerned with the naked eye.
en LAR 350 2.Safety instructions for laser units 3. Before First Use To insert batteries -> Battery replacement LASER 2 In Class 2 laser units, your eyes are usually protected from accidental, short-term exposure to the laser beam by the eyelid-closing reflex and/or the reflex reaction to turn one‘s head. If a laser beam hits your eye, deliberately close your eyes and move your head out of the path of the beam. Do not look into the direct or reflected beam.
LAR 350 en 4.1 System Elements 1. Exit window Point laser/laser beam 2. Exit window Rotation beam 3. Button: ON/OFF/TILT 4. Button: Manual mode ON/OFF 5. White LED: Tilt function 6. Yellow LED: Battery low 7. Red LED: Overtemperature 8. Blue LED: Laser x-axis/display TILT + Manual 9. Green LED: Laser y-axis/display TILT + Manual 10. Battery compartment lid 11. 5/8" tripod socket 12. Retaining bracket 13. Locator markings 14. Plumb-line laser function marking points 15.
en LAR 350 4.2 Remote Control Unit Elements Remote control unit: 17. SHIFT 18. LED indicator for SHIFT button 19. LED indicator: transmitting 20. TILT 21. Laser x-axis 22. Laser y-axis 23. Position 24. Scan 25. Rotation speed 28 26. Section 27. Standby 28.
en LAR 350 5. Battery Insertion/Replacement Open battery compartment cover (10, 28) in the direction of the arrow and insert new batteries as indicated by the symbol in the battery compartment. Suitable rechargeable batteries can also be used. LED indicator: Yellow LED (6): Battery capacity low - insert new battery 2x 1,5V Alkaline D, LR20, Mono Used batteries should be disposed of at appropriate collection points. Do not dispose of in household waste.
en LAR 350 6. Using the Laser Unit (3) 1x < ± 5° > ± 5° > ± 5° > ± 5° > ± 5° < ± 5° 8 Place the laser unit in the appropriate working position (vertical or horizontal). To start the laser, press button (3). Holding this button for a longer period will switch the laser off again. Activating the self-levelling function causes the unit to level itself automatically. The laser beam does not (yet) flash or rotate. Once levelling is completed, the beam stays on constantly and begins to rotate.
en LAR 350 7. Tilt function 1x (3) 1x 1x (17) (20) The tilt function warns if any interference to the laser has occurred that may cause misalignment. This ensures that such interference does not go unnoticed. When the tilt function is active, the white LED (5) is lit steadily. If any event occurs that could result in the laser unit being deflected from its exact alignment and setting, the beam ceases to rotate and the blue (8) and green (9) LEDs flash.
en LAR 350 8.1 Automatic Operation with Tilt Function This mode is always set directly after the unit is switched on (button 3). Other modes can be selected by pressing button (3) or button (4) or using the remote control unit. (4) (3) In ‘Automatic’ mode the laser unit levels itself automatically. Place the laser unit in the appropriate working position (vertical or horizontal). To switch on, press button (3) once. Now the LAR 350 is in ‘Automatic mode with tilt function’.
en LAR 350 (3) 1x 8.2 Automatic Operation with Relevelling In some situations (e.g. when working on a shaking or vibrating surface), the tilt function can be a hindrance. With automatic relevelling, on the other hand, the unit is readjusted each time it is knocked out of alignment. Press button (3) x 2 = 1x switch on + 1x deactivate tilt function. The white LED (5) flashes. The laser beam begins to rotate once the unit has levelled itself.
en LAR 350 9.1 Manual Operation with Tilt Function (3) 1x In manual mode the laser plane is aligned by hand. Neither self-levelling nor relevelling are active. The unit does not level itself. If the tilt function is active, interferences (shocks, vibrations) that could misalign the unit from its exact original setting do not go unnoticed. Place the laser unit in the appropriate working position (vertical or horizontal). Press button (3) x 1 = switch on in tilt mode.
en LAR 350 9.2 Manual Operation without Tilt Function (4) (3) 2x 1x (4) 13 In manual operation without tilt function, neither automatic mode, the tilt function nor relevelling are active. In this mode the unit is aligned entirely by hand. The unit does not level itself. Place the laser unit in the appropriate working position (vertical or horizontal). Press button (3) x 2 = 1x switch on + 1x deactivate tilt function. Press button (4) x 1 = Changeover to/activate manual mode.
LAR 350 en 10. Functions Rotation function -- > p. 15 The laser beam rotates through 360° around its axis. horizontally vertically --> p. 18 Inclination function --> p. 17 --> p. 19 Appropriate inclination of the levelling plane Can only be set by remote control Line function in scan mode: --> p. 16 --> p. 20 --> p. 21 In scan mode the laser projects lines into the floor, wall and ceiling.
en LAR 350 Functions Point function --> p. 15 The laser beam is visible as a point on the target surface Canonly be set by remote control Plumb-line function Transfers a determined point from the floor to the ceiling. To transfer a plumb line from a floor marking to the ceiling, the laser unit is aligned exactly with the cross mark with the 4 marking points (14). The point of intersection of the cross mark corresponds to the exiting laser plumb line.
en LAR 350 17. 11. Operation with Remote Control SHIFT 18. LED indicator for SHIFT button 19. LED indicator: transmitting 20. TILT 21. Laser x-axis 22. Laser y-axis 23. Position 24. Scan 25. Rotation speed 26. Section 27. Standby The LAR 350 features an innovative remote control unit. It allows a wide range of functions and settings to be intelligently controlled. Settings are made by pressing the relevant button while simultaneously rotating the remote control unit in the hand.
en LAR 350 12. Settings and Applications 13. Rotation Function/Rotation Speed The rotation function is set when the unit is switched on and can also be set at any time with button (25). In rotation mode the laser beam rotates. By holding down button (25) and simultaneously rotating the remote control unit the rotation speed can be infinitely adjusted up or down to 0 = point function. This increases visibility.
en LAR 350 14. Line Function in Scan Mode In scan mode the beam does not rotate. Instead, it moves to and fro rapidly between two points. The eye perceives this as a laser line. Button (24) switches the scan function on/off. When it is switched on, the scan line is always located opposite button (3) of the laser unit. The thickness of the laser line can be infinitely adjusted (thicker/thinner) by holding down button (24) and rotating the remote control unit.
en LAR 350 15. Inclining the Laser Axes (21) (17) Briefly pressing button (21) = laser x-axis or (22) = laser y-axis causes the rapidly flashing LEDs (blue or green) to indicate the corresponding laser axis. The laser axes can be adjusted independently through an inclination range of up to ±5°. By using an inclinometer (available as an accessory), this angle can be increased to about 50°. Press the Shift button (17) to enable the inclination function for the laser axes.
en LAR 350 16.1 Vertical Function To enable the LAR 350 to perform vertical levelling and marking tasks, it is placed on its side on the feet integrated into the body. Position the unit so that the wording ‘VERTICAL MODE THIS SIDE UP’ appears on the top. The operator display is then also at the top. The retaining bracket (12) can be used to mount the LAR 350 on a tripod. The unit switches into vertical mode automatically. All modes and functions are available.
en LAR 350 16.3 Rotating and Inclining the Laser Axes (21) Button (17) switches the laser axis rotation and inclination function on and off. Use buttons (21) and (22) to set the two laser axes. The corresponding LEDs flash during adjustment. If only the laser y-axis is adjusted (button 22), the vertical alignment of the x-axis is retained. The green LEDs indicate that levelling of the y-axis is inactive (--> p. 18). The laser plane can be aligned.
en LAR 350 17. Positioning the Laser Beam In certain applications it can be helpful to align the laser beam using only a single laser point. To do this, reduce the rotation speed to zero = point laser (button 25). --> Rotation Speed To rotate the laser point to the desired position, hold down button (23). (23) (25) Laser planes can also be set up in advance by this method.
en LAR 350 X (21) 18. Displaying the Alignment of the Laser Axes (21) The blue and green LEDs indicate the respective axes if button (21) = laser x-axis or (22) = laser y-axis is briefly pressed. --> ‘Inclining the Laser Axes’ --> ‘Rotating and Inclining the Laser Axes’ 1x X 1x (22) Y Y (22) 19. Standby Mode 1x In the standby setting the laser unit saves energy. Press button (27) to activate standby mode. The laser beam does not rotate and becomes inactive.
en LAR 350 20. Section Mode (23) 180° (26) (23) (26) 24 Here the rotating laser beam is limited to a particular sector. This prevents malfunctions occurring outside the actual working area through interference with other devices. Within the specified sector, all function modes of the rotation laser are available. Button (26) switches the section mode on/off. When it is switched on, the laser sector is always located opposite button (3) of the laser unit and has an angle of 180°.
en LAR 350 21.
LAR 350 en 22.1 Checking Accuracy The STABILA LAR 350 rotation laser has been designed for construction sites and has left our factory in a correctly adjusted condition. As with all precision instruments, you should regularly check the calibration accuracy of the unit. Before starting work each day, and particularly if the unit has been exposed to heavy shocks or vibrations, a check of the calibration should be carried out.
en LAR 350 X 22.2 Horizontal Check X 1x 1 1 Checking the horizontal laser line level Be sure to adhere as closely as possible to the orientation of the unit as shown. 1. Place the LAR 350 on a horizontal surface or on a tripod at a distance of 5 (25ft) or 10 m(50ft) from a wall, with the operator panel towards the wall. (3) 2. Switch the laser unit on (button 3) and wait until it has automatically levelled itself. 5 m / 25 ft 3.
en LAR 350 22.3 Adjustment - Horizontal 1 2 4 3 (4) If the tolerance level was exceeded in the horizontal check, the laser can be readjusted as follows. In each case the critical element is the distance that results from the measurement points taken from opposing positions, i.e. points 1+3 or 2+4. (3) 1. X > 5 sec 2. Example: The distance between points 1 + 3 is greater than the tolerance of ± 0.1 mm/m. Accordingly, the laser must be readjusted in this axis.
en LAR 350 A A B S = 10 m / 50 ft 2 1 1 B B 2 A Checking the vertical plumb-line laser To perform the vertical check, two parallel wall surfaces are required with a separation S of at least 10 metres (50ft). 1. Position the rotation laser directly in front of one of the walls, A, on its side-mounted feet as for vertical levelling. The retaining bracket (12) can be used to mount the LAR 350 on a tripod. 2. Switch the laser unit on (button 3). 3.
en LAR 350 22.5 Adjustment - Vertical (4) 1 3 If the tolerance level was exceeded in the vertical check, the laser can be readjusted as follows. 1. When performing readjustments, ensure that the batteries are fully charged. > 5 sec 2. Position the laser with the plumb axis towards the wall. Switch the laser off. To enter calibration mode, first hold down button (4) (> 5 seconds). Now, still holding button 4, press the on/off button (3).
LAR 350 en 23. Technical Data Laser type: red diode laser, wavelength 635 nm Power output: < 1 mW, laser class 2 as per IEC 60825-1:2014 This product compl. with the appl. requ. of 21CFR, parts 1040.10 and 1040.11. Self-levelling range: approx. ± 5° Levelling accuracy*: ± 0.1 mm/m / ± 1/8” over 50 ft Batteries: 2 x 1.5 V alkaline, size mono, D, LR20 Battery life: approx.
Europe Middle and South America Australia Asia Africa USA Canada STABILA Messgeräte Gustav Ullrich GmbH STABILA Inc. P.O. Box 13 40 / D-76851 Annweiler Landauer Str. 45 / D-76855 Annweiler 332 Industrial Drive South Elgin, IL 60177 + 49 63 46 309 - 0 info@de.stabila.com 800-869-7460 custservice@Stabila.
