UNI-T LM520 LM530 LM550 Touch Red Laser Level Instrument 2/3/5 Line Cross Marking Instrument

   Features: 

   I. Introduction 

   These series products adopt diode laser beam, the waveform length of which is 532nm. The level laser can generate two or more laser sectors and one plump down point. The sector is formed by one horizontal beam and one or more vertical beams that is reflected on the wall. The included angle of every two vertical beams is 90˚. The focus of those beams is called Zenith. 

   Automatic self-leveling 

   Indoor and outdoor(long distance) mode 

   360˚ rotatable ; Adjustable structure for accurate targeting 

   Water-proof, dirt-proof, sensitive buttons 

   II. Structure 

   Vertical beam button 

   Horizontal beam button 

   Bubble vials 

   Outdoor mode button 

   Vertical laser emission window 

   Horizontal laser emission window 

   Power switch/lock 

   Thumbscrew 

   Adjustable bracket 

   III. Operation instructions 

   1. Place the device on a tripod or a flat surface. Ensure the device is approximately on horizontal level 

   Note: If the device is out of level, the laser will be shut down automatically with audio alert. 

   2. Rotate the power switch clockwise to turn on the device. Laser beams are emitted with the green LED ON. 

   3. Rotate the device to make the laser beam pointing at the target. 

   4. Turn the thumb screw to locate the exact position. 

   5. After every task, turn the power switch anticlockwise to turn off the device. 

   Maintenance 

   1. Never let any liquid get inside the device. Never immerse any part of the device into a liquid. 

   2. Avoid shock and drop during operation and storage. 

   3. Please turn off the device before moving the device or it may affect the accuracy. 

   4. Keep the laser emission window clean. Use soft cloth to wipe the glass lens if there is dirt. 

   5. Take off the battery and store the device in the kit box if the device is not in use for long time. 

   Specifications: 

          Model

    LM520

    LM530

    LM550

    LM520G

    LM530G

    LM550G

          Laser waveform length

    635nm

    532nm

          Laser power

    <1 mW

          Laser grade

    CLASS II

          Laser line

    2

    3

    5

    2

    3

    5

          Plump down point

    √ (waveform length=650nm)

          Laser strengthening point

    √

          Horizontal accuracy

    ±1mm/7m

          Vertical accuracy

    ±1mm/7m

          Orthogonality accuracy

    90˚±60”

          Plumb down point accuracy

    ±0.5mm/1.5m

          Zenith accuracy

    NA

    ±1mm/7m

    NA

    ±1mm/7m

          Emission angle

    Vertical line≥110˚, horizontal line≥130˚

          Operation distance

    Indoor operating radius≈10m;

With corresponding laser detector, operating radius=50m

          Self-leveling

    Gravity pendulum-magnetic damp

          Leveling range

    ±2.5 ˚

          Outdoor mode

    √

          Battery type

    Polymer lithium battery

          Battery capacity (mAh)

    1050

    1800

    1050

    1800

          Working hours

    About 6 hours (with all laser tubes on)

          Power indicator

    Backlight of horizontal bubble locator is ON

          Charge indicator

    √

          Low power indicator

    √(Backlight of horizontal bubble locator is flashing)