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Laser beam receiver FR 77-MM-Tracking

Laser beam receiver FR 77-MM-Tracking (from geo-fennel, Germany) is designed to work with visible red-beam laser laser waves that have Tracking function.
It is compatible with the FL 245-HV-Tracking, FL 270VA-Tracking and FL 510HV-GTracking laser levels.
Its particular advantage is the 100 mm long receiver sensor and altitude digital indication.
The FR 77-MM-Tracking is equipped with two classic bubble levels for setting up the receiver's verticals, and two magnetic mounting holes for hanging ceilings and other metallic constructions.
As all receivers, the FR 77-MM-Tracking also features a console for enhancing the receiver on the measuring rod.

Specification:
Display - 2 x LCD and 3 x 3 pcs. LED
3 precision modes:
- Accuracy (mode 1) ± 9 mm
- Accuracy (Mode 2) ± 5 mm
- accuracy (mode 3) ± 2 mm
Receiver sensor length - 100 mm
Zero mark offset range - +20 mm
Tracking function - √
Power supply - 110 h. with 4 x AA alkaline batteries
Range of operation with Class 2 Lasers -  > 150 m
Range of operation with 3R class laser -  > 350 m
Protection class - IP67
Operating temperature  - 10 ° C ÷ + 50 ° C
Display illumination - √
Dimensions - 170 x 77 x 32 mm
Weight - 500 g