GL612/GL622 Specifications |
Leveling accuracy |
± 0.5 mm/10 m, 1/16" @ 100 ft, 10 arc seconds |
Grade accuracy |
± 1.0 mm/10 m, 1/8" @ 100 ft, 20 arc seconds |
Operating diameter |
appr. 800 m (2600 feet) with detector |
Grade range (Y, X-GL622) |
± 25% both axes (not simultaneously) |
Rotation: GL612 |
300, 600, 900 rpm / GL622: 0 to 900 rpm |
Scan mode |
5 preset sizes + variable adjustment (GL622) |
Laser type |
red diode laser 650 nm |
Laser class |
GL612 Class 2, <3.2 mW / GL622 Class 3A/3R, <5mW |
Self-leveling range |
appr. ± 14° |
Leveling indicators |
LCD indications and LED flashes |
Radio range (HL750) |
up to 80 m (260 ft) |
Power source |
NiMH battery pack |
Battery life1 |
35 hours NiMH; 40 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 waterproof |
Yes - IP67 |
Weight |
3.1 kg (6.8 lbs) |
Low voltage indication |
LCD battery indicator |
Low voltage disconnection |
unit shuts off |
Warranty |
5 Years |
CR600 Specifications |
Housing |
Heavy-duty metal (die-cast magnesium) capable of a 3 m (10 ft) drop on concrete |
LCD Channels |
15 linear display segments |
Offset Decals |
English 0.01 ft. increments, Imperial in. increments, metric increments |
Capture Height |
114 mm (4.5 in.) |
Acceptance Angle |
270° |
LCD Readout |
Front, regardless of the receiver’s orientation to the laser beam |
On-Grade Sensitivity |
Ultra-fine: 0.1 mm (0.004 in.)
Super-fine: 1 mm (1/32 in.)
Rod-Mount/Hand-Held Mode:
Fine: 1.50 mm (1/16 in.)
Medium: 3.00 mm (1/8 in.)
Coarse: 6.00 mm (1/4 in.)
Machine-Mount Mode:
Fine: 10 mm (3/8 in.) Coarse: 25 mm (1 in.) |
Power Source |
Three 1.5-V batteries (type LR6/AA) |
Battery Life @ 20 °C (68 °F) |
Alkaline: >100 hours |
Battery Indicator |
LCD battery symbol |
Automatic Shutoff |
30 minutes after last laser detection or push-button actuation |
Spectral Sensitivity |
Operates with red visible and infrared lasers with wavelength between 610 and 900 nm |
Marking Notch |
50 mm (2 in.) below top of receiver |
Audio Function |
Soft/loud/off |
Operating Temperature |
-20 °C to +50 °C (-4 °F to +122 °F) |
Storage Temperature |
-40 °C to +70 °C (-40 °F to +158 °F) |
Weight |
.5 kg (1.1 lb) |
Dimensions (T x W x L) |
3.0 x 9.3 x 18 cm (1.2 x 3.6 x 7.0 in.) |