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TECHNICAL DATA
Laser
Leveling accuracy
1,3
: ± 1.5 mm/30 m, 1/16“ @ 100 ft, 10 arc seconds
Grade accuracy
1,3
: ± 3.0 mm/30 m, 1/8“ @ 100 ft, 20 arc sec
Grade temperature drift sensitivity: ± 0,9 mm/30 m / 1°C; 1/16” @ 310 ft. @ 1°F
Grade range
4
: -10% to +15% (Dual Axes GL422N)
-10% to +15% (Single Axis GL412N)
Rotation speed: 300, 600 rpm
Operational area
1,2
: appr. 400 m (1300 feet) radius with detector
Laser type: red diode laser 650 nm
Laser class: Class 2, <3.4 mW
Self-leveling range: appr. ± 5° (±9%)
Leveling indicators: LCD indications and LED flashes
Radio range (HL760): up to 100 m (330 ft)
Power source: 10000mAh NiMH battery pack
Battery life
1
: 35 hours NiMH; 50 hours alkaline
Operating temp.: -20°C to 50°C (-4°F to 122°F)
Storage temp.: -20°C to 70°C (-4°F to 158°F)
Tripod attachments: 5/8 x 11 horizontally and vertically
Dust and Water proof: IP66
Weight: 3.1 kg (6.8 lbs)
Low voltage indication: LCD and LED battery indicator
Low voltage disconnection: unit shuts off
1) at 21° Celsius
2) under optimal atmospheric circumstances
3) along the axis
4) pre-tilt above 9%
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