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Geo Fennel FR 77-MM Laser Receiver with mm Indication


$460.00 inc GST

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Geo Fennel FR 77-MM laser receiver with digital level indication in millimetres. Extra long receiving window, mm indication of difference between laser plane level reference.


  • For rotating lasers using a red laser beam
  • Extra-long receiving window
  • MM indication of difference between laser plane and "0" level
  • Segments of display indication increase / decrease proportionally
  • "0" position can be defined (offset)
  • Display illumination
  • Robust clamp 
3-step accuracy +/- 2 / 5 / 9mm
Accuracy mm-indication +/- 1mm
Working range class 2-laser 150m
Working range class 3R-laser 350m
Length receiving window 125mm
Length receiving area mm-indication 100mm
Offset range (0SET) from base line +/- 20mm
Measuring units mm, cm, in, fraction of in
Signal tones 3
Display indication front, back
LED indication front, side back
Power supply / operating time Alkaline / 110 h
Temperature range -10°C to +50°C 
Display illumination yes
Magnets Top and side
Vials top side
Dust / water protection IP67
Dimensions 170 x 77 x 32mm
Weight 0.5 kg


Supplied with:

  • 4 x AA alkaline batteries
  • Clamp
  • Bracket
  • Special mount for diverse connections, e.g at the scaffold 
Geo-Fennel FR-77mm-receiver
Mount for diverse connections


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