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Warranty
Guardian 36 month warranty coverage
The L4 and L4 + laser transmitters, and the R7 receiver, are warranted for
thirty-six (36) months from the date of new equipment purchase from an
authorized dealer.
During the warranty period, Laser Reference, or its
authorized service center, will repair or replace, at Laser Reference's sole
discretion, laser transmitters or receivers, free of charge, (except for
transportation costs) if the products are found by Laser Reference, or its
authorized service center, to be defective in either materials or workmanship.
The Guardian 36 month warranty also covers the internal leveling
mechanism and internal optics against damage from any cause. Maintaining
the calibration of the product is not the responsibility of Laser Reference or
its authorized service centers. If service is needed, the product(s) must be
sent FREIGHT PREPAID to the nearest authorized service center or to
Laser Reference.
Specifications
L4 Range (with receiver) .......
L4+ Range (with receiver) .....
Rotational Coverage .............
Accuracy ...............................
Self-Leveling Range ..............
Vertical Capability .................
Power Supply ........................
Run Time on New Batteries ..
Automatic Shut-off ..............
Rechargeable Batteries .......
Environmental .......................
Rotation Speed .....................
Operating Temp. (ambient) ...
Storage Temperature ............
Safety - L4 .............................
Safety - L4 + ...........................
Height ....................................
Weight ...................................
750' rad., 1500' dia. (230m/460m)
1000' rad., 2000' dia. (305m/610m)
360 degrees
±10 arc seconds (1/16" per 100')
(1.6mm per 30m)
±10 arc minutes
Built-in vial, optional mount
(L4 + system includes mount)
Four C-Cell batteries
L4: 70 hours (alkaline)
L4 + : 60 hours (alkaline)
If off-level for more than 3 min.
Optional kit (NiMh) 50-55 hrs. run time
Dust and water resistant
L4: 600rpm / L4 + : 0 to 450rpm
-14ºf to +122ºf (-10ºc to +50ºc)
-40ºf to +140ºf (-40ºc to +60ºc)
CDRH Class II • IEC 825-1 Class 2
CDRH Class IIIa • IEC 825-1 Class 3R
9in (23cm)
4.1lbs (1.86kg)
17
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