RIDGID LM-400 | Laser distance meter

Contact Instrument Solutions

The RIDGID LM-400 laser distance meter allows you to view, store and share distance measurements and advanced calculations at the blink of an eye! Activate Bluetooth, connect the micro LM-400 to your iOS (e.g. iPhone, iPad) or Android device (e.g. Samsung Galaxy) and directly overlay measurements on a sketch or photograph to share with others.


  • iOS and Andriod RIDGID Sketch App to easily and quickly transfer measurements from the LM-400 meter onto a photograph or sketch (Android App on Google Play, iOS at the Apple App store)
  • Bluetooth connectivity
  • Angle measurements up to 65 o with an inclination sensor
  • Spirit level function for more accurate measurements
  • Self triggering timer
  • Area calculation
  • Volume calculation
  • Measurement units: m, in and ft
  • Backlit display


Range 70 m

Accuracy ± 1.5 mm (10 m)

Battery life Up to 8000 measurements

Battery type 2x AA

Weight 200 g

Laser class II

Support documents

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RIGID LM 400 laser distance meter data sheet.pdf RIGID LM 400 laser distance meter data sheet
Technical document
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Adobe Acrobat
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