Nivel System DM-120 User Manual

Hand-held laser distance meter

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User's Manual
hand-held laser distance meter

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Summary of Contents for Nivel System DM-120

  • Page 1 User’s Manual hand-held laser distance meter...
  • Page 3: Safety Regulations

    >1/4 S Safety Regulations Please read the safety regulations and operation guide carefully before operating. Please read all of the operational guide and safety regulations in this manual before operation. Improper operations without complying with this manual guided could cause damage to the device, influence on measurement result or bodily injury to the user.
  • Page 4 Batteries Installation, Display and Keyboard Battery Installation and Replacement Discharge the battery door on the back of device, and place battery according to correct polarity, then cover the battery door. Only 1.5 V AAA alkaline battery is applied to the meter.
  • Page 5 • Keyboard • Turn on/ • Unit Measuring Addition • • Subtration Area/Volume/ • • Pythagorean Staking-out Measurement • Reference Point / • Save Delay Mearsurement • Turn off/Remove • Back Light Start the Instrument & Menu Setting Turn on / off the Instrument Under off status, press button , device and laser get starting simultaneously and stand by for...
  • Page 6: Self-Calibration

    There are 6 units for selection area length volume Reference Point Press key to change the reference point. There are four reference points: top, screw, bottom and the end piece. Self-Calibration This function can keep the precision of the device. Instruction: Power off, Long press button , and then press...
  • Page 7 Length Measurement & Calculation Single Distance Measurement: Turn on the laser beam by short press of the button under measring mode; Press the button again for single measurement of length,then the measured results displayed in the major display area. Continuous Measurement: Long press button under measuring mode and enter into continuous measuring mode.
  • Page 8 Volume Measurement Press button twice to enter volume measurement mode. A will shows on the top of screen. Please follow the below instruction for volume measuring: Press for Length Press again for Width Press thirdly for height The device calculates and shows the result in the major display area.
  • Page 9 Device calculates the length of hypotenuse (x) 3. Press three times till the one hypotenuse of blinking on the screen. Press , measure the length of one side (a) Press , measure the length of the median line (b) Press , measure the length of another side (c) Device calculates the length of the leg in full line (x) 4.
  • Page 10 Legs must short than hypotenuse, or there will be "err" shows on screen. In order to guarantee the accuracy, please make sure all measurements are start from the same point. Addition / subtraction The device can be used for length addition and subtraction.
  • Page 11 Staking-out Function Long press , the device switch to staking-out mode. As showed in the below picture, the user can set two difference value a and b; User can adjust these two value by pressing . Long press will make you get a large gap of the value when adjust a or b.
  • Page 12 Record Function Long press button for 3s to record your measuring result under measuring mode.It can also record the result under Area, Volume and Pythagoras mode. All the calculating records can be saved by the device. Read / Delete the Record: Short press button , read the records by press button...
  • Page 13: Technical Data

    TECHNICAL DATA Item Specification Working Range 100m 0.05 mm Smallest Unit Displayed Measuring Accuracy Typically ± 1.5 mm ** Continuous Distance Measuring (Tracking) Area / Volume Pythagoras Measuring Length/Area/Volume Addition/Subtraction MAX & MIN Value Skating-Out Delay Measurement Self-Calibration Back Piece Bubble Backlight Laser...
  • Page 14: Instrument Maintenance

    ** Use a target plate to increase the measurement range during daylight or if the target has poor reflection properties. Instrument Maintenance: The meter should not be stored in high temperature and strong humidity environment for long time; it is not used very often, please take out the battery and place the meter in the allocated potable bag and store in cool and dry place.

This manual is also suitable for:

Dm-50Dm-70Dm-90

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