Kapro Prolaser GREEN Cross Line Laser 852G User Manual
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Kapro Prolaser GREEN Cross Line Laser 852G User Manual

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Prolaser
Cross Line Laser
®
Model No. 852G
User Manual

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Summary of Contents for Kapro Prolaser GREEN Cross Line Laser 852G

  • Page 1 Prolaser Cross Line Laser ® Model No. 852G User Manual...
  • Page 2 Thank you for purchasing Kapro’s 852G GREEN Prolaser ® Cross Line. You now own one of the most advanced laser tools available. This manual will show you how to get the most out of your laser tool. APPLICATIONS The 852G GREEN Prolaser Cross Line is innovatively designed ®...

  • Page 3: Table Of Contents

    CONTENTS • Features • Safety instructions • Battery installation & Safety • Overview • Operating instructions 10-12 • Maintenance • Field calibration test 14-19 • Specifications • Warranty...

  • Page 4: Features

    FEATURES • Automatically determine the horizontal and vertical plains • Intersecting horizontal and vertical line projection • Self-level in automatic mode when the laser is positioned within its self-leveling range • Visual “out of leveling range” warning • Pulse mode - emits pulses that can be detected by a detector •...

  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS WARNING This product is emitting radiation that is classified As class II according to EN 60825 -1 The laser radiation can cause serious eye injury • Do not stare into the laser beam • Do not position the laser beam so that it unintentionally blinds you or others.
  • Page 6 • Do not remove or deface warning labels on the laser level • Do not disassemble the laser level. Laser radiation can cause serious eye injury • Do not drop the laser • Do not use solvents to clean the laser •...

  • Page 7: Battery Installation & Safety

    BATTERY INSTALLATION & SAFETY 1. Press down on the latch and open the battery cover. 2. Insert 3 new AA batteries of the same brand according to the polarity diagram on the inside of the battery cover. 3. Close the battery cover. Lithium-Ion Battery (optional) Installation 1.
  • Page 8 NOTE If the laser level will not be used for a long period, remove the batteries from the battery compartment. This will prevent batteries from leaking and corrosion damage. WARNING: Batteries can deteriorate, leak or explode, and can cause injury or fire. 1.

  • Page 9: Overview

    OVERVIEW 1. On/Off Locking Switch 2. Keypad a. Pulse Mode button b. Beam Selector button c. Manual Mode button 3. Laser output window 4. Battery cover 5. ¼” tripod mount...

  • Page 10: Operating Instructions

    OPERATING INSTRUCTIONS Working in Automatic mode (self-leveling): In automatic mode the laser level will level itself in the range of ± 3° and will project a horizontal line, vertical line or both lines simultaneously. 1. Remove the laser from its case and place it on a solid, flat, vibration free surface or on a tripod.
  • Page 11 Working in Manual mode: In Manual mode, the 852G’s self-leveling mechanism is disabled and the laser lines can be set at any slope required. The laser beams will flash every 3 seconds to let you know that you are working without the self-leveling and the beams may not be leveled.
  • Page 12 Working in Pulse mode with a detector: For outdoor work under direct sunlight, or bright light conditions, and for extended indoor ranges up to 40 meters, use the Pulse mode with a detector. When the pulse mode is activated, the laser lines will flash at a very high frequency (invisible to the human eye).

  • Page 13: Maintenance

    MAINTENANCE To maintain the accuracy of your project, check the accuracy of your laser level according to the field calibration tests procedures. • Change the batteries when the laser beams begin to dim. • Wipe the aperture lens and the body of the laser level with a clean soft cloth.

  • Page 14: Field Calibration Test

    FIELD CALIBRATION TEST This laser level left the factory fully calibrated. Kapro recommends that the user will check the accuracy of the laser periodically, or if the unit falls or is mishandled. To do so first check the height accuracy of the horizontal line, then check the levelling accuracy of the horizontal line, and finally check the leveling accuracy of the vertical line.
  • Page 15 5) Turn the laser 180° towards wall B, and mark on the wall the center of the cross lines as b1 (see figure 2). Figure # 2 6) Move the laser level towards wall B and position it approximately 0.5 meter from wall B. 7) Mark on wall B the center of the cross lines as b2 (see figure 3).
  • Page 16 8) Turn the laser 180° towards wall A, and mark on the wall the center of the cross lines as a2 (see figure 4). Figure # 4 9) Measure the distances: Δa= |a2-a1| Δb= |b1-b2| 10) The difference | Δa – Δb| should not be more than 3 mm, otherwise to send the laser level to a qualified technician for repairs.
  • Page 17 3) Mark point a1 on the wall, in the middle of the horizontal line at the left edge of the horizontal line (see figure 5). Figure # 5 4) Turn the laser level counterclockwise until the right edge of the horizontal line reach’s near a1, mark a point a2 on the wall in the middle of the horizontal line (see figure 6).
  • Page 18 5) The distance between a1 and a2, should not be more than 1.5mm otherwise to send the laser level to a qualified technician for repairs. Checking the Accuracy of the Vertical line. 1) Hang approximately 4 meter plumb line on a wall. 2) After the plumb line has settled, Mark point a1 on the wall behind the plumb line near the plumb cone.
  • Page 19 6) Mark point a2 on the wall, in the middle of the vertical line at the same height of a1. (see figure 8). Figure # 8 7) The distance between a1 and a2, should not be more than 1.5mm, otherwise to send the laser level to a qualified technician for repairs.

  • Page 20: Specifications

    SPECIFICATIONS Laser beams Vertical and horizontal cross lines output pattern Horizontal line Vertical line Laser range • Indoor - up to 20m (65ft) • Outdoor with detector up to 40m (130ft) Accuracy ±0.3mm/m (±0.0003in/in) Fan angle 120° ±5° Self-leveling range ±3° Laser line width 2 mm±0.5mm/5m (0.10”...

  • Page 21: Warranty

    It does no cover products that are used improperly, altered or repaired without Kapro approval. In the event of a problem with the laser level you have purchased, please return the product to the place of purchase with the proof of purchase.

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