GM100D Professional 100m Laser Distance Meter w/ High Accuracy ±1.5mm

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Model: GM100D


This Professional Distance Meter that uses laser & tilt sensor technologies comes with powerful interactive function& professional measuring and other auxiliary functions with unique private setting-up make your measure more enjoyable. Even in case of absence of reflecting board, this unit is capable of taking measurement up to 100m (328ft) easily due to its high precision and interference-free technology.

It use of Pythagorean Theorem to measure distances or lengths indirectly when direct measurement is not feasible.

Special functions to make measuring easier including:

Indirect measurements with the built-in tilt sensor, one can quickly & simply measure tilts up to ±45° even overhead inclinations can be measured. This is especially useful when determining roof slopes;

Horizontal distance measurements even if the object cannot be directly targeted. This is particularly useful when obstructions like walls or hedges stand in the line of sight;

Angle measurements & Stake Out function

Li-ion battery can set you free from replacing battery frequently.

One person distancearea and volume measurement precisely in an instant and estimating tool to measure remote and difficult reaching places.

 A very useful tool for various types of applications in construction and industries and a very convenient to that gives accurate measurement of distance, area and volume especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, gardens, roads, infrastructures, and many other applications requiring accurate results for distance , area and volume measurement.


  • Power range technology (measure up to 100m)
  • Instant measurement of distance, area & volume with one-button operation
  • Automatic calculation of area and volume
  • Indirect measurement by Pythagorean
  • High accuracy
  • Anti-interference Measurements
  • Tilt sensor technology
  • Tilt and Horizontal measurements
  • Angle measurement using tilt sensor(±45°)
  • Staking out function
  • Continuous measurement
  • High ±1.5mm accuracy
  • Min/Max distance tracking
  • Easy addition/subtraction measurement function
  • Spot-on measurement via laser pointer makes it possible
  • Large LCD with backlight & multi-line display
  • Single, Continuous, Area & Volume Measuring
  • Reduce estimation errors, saving time and money
  • Low battery indication
  • Selectable metre / inch / feet
  • Rated to IP54 - Splash proof and dust proof
  • Auto/Manual power & laser off function
  • Multifunction with intelligent calculation
  • Designed for indoor and outdoor use
  • CERTIFICATE: CEROHSFCCLVD for Laser (60825-1-2007), LVD (EN 61010-1-2001)



  • Distance Measuring Range:  100m (328ft)
  • Distance Accuracy:  ±1.5mm (±0.06inch)
  • Laser type:  635nm, <1mW, Class II
  • History measurement record:  30 records
  • Measurement Speed: 3time/s
  • Triangle measurement
  • Tilt Measurements
  • Tilt sensor Accuracy: ±0.3º
  • Auto horizontal measurement
  • Angle measurement using tilt sensor (±45°)
  • Staking out function
  • Temperature measurement
  • Intelligent Calculations: Auto area and volume calculations
  • Measuring units : m, in, ft, m², ft², m³, ft³
  • Buzzer indication
  • Backlight display
  • LCD display: 2 inch large color screen
  • Display illumination and multi-line display : Max 4 displays
  • Min/Max Distance Tracking : 3~4 data update per second
  • Indirect measurement using Pythagoras : supports 2, 3 indirect measurements
  • Addition/Subtraction
  • Continuous Measurement
  • Auto height measurement
  • Auto Bias Technology: Support for external calibration
  • Edit Measuring data Function
  • Record Lock & Unlock
  • Datum Option: Can choose Front edge or end piece edge as datum
  • Display error code
  • Power Auto off: 3min without any operation
  • Waterproof & Dustproof: IP54
  • Work principal: Photoelectric (not shake while measuring)
  • Software: mOS Visible software
  • Battery Life: >15000 times
  • Key Life: >1 million times
  • Auto Data Hold 
  • Data Clear
  • Personal setup (User-Defined Setting)
    • Level
    • Timer
    • Stacking out
    • Bubble
    • Beep
    • Measure unit
    • Time
    • Brightness of backlight
    • Off-set
    • Time format
    • Factory reset
    • Angle unit 
  • Power supply : 1 x Li-ion battery (Included)
  • Battery indicaton : High, mid, low
  • Auto Laser Off : 30s without any operation
  • Auto Power Off : 3minutes without any operation
  • Operating Temperature : 0 ~ 40ºC (32 ~ 104ºF)
  • Storage Temperature : -10 ~ 60°C (14 ~ 140ºF)
  • Battery Supply: Li-ion battery / 1200mAh (Rechargeable)
  • Weight (main unit): 115g (battery excluded)
  • Dimension (main unit): 125 x 55 x 32mm (HxWxD)


Set includes

  • 1 x 100M Laser Distance Meter
  • 1 x Rechargeable Li-ion Battery
  • 1 x Carrying Pouch (FREE)
  • 1 x USB Cable
  • 1 x Recharge Adaptor (FREE) available in US/UK/AU/EU
  • 1 x Instruction manual
  • Standard Factory Package


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