| Brand |
Spectra Precision Laser |
| Model / Type |
GL722 |
| Date of introduction |
January 2002 |
| Operating range (R in metres) |
500 m |
| Accuracy (mm per 100m) |
4 mm |
| Automatic self-levelling (Y/N) |
Y |
| Levelling range in automatic mode |
-10 to +10 (+25 Y-axis) degrees |
| Out of level indication |
Y |
| Grade (Y / N) Single (S), Double (D) |
Y, D |
| Manual grade range |
-10 to +25 degrees |
| Automatic grade range |
-10 to +25 degrees |
| Disturbance alert |
Y |
| Damping system |
Electronic |
| Rotation speed (rpm, rotation per minute) |
300, 600, 900 rpm |
| Laser diode |
670 nm |
| Laser class |
Class 2 |
| Visible beam |
Spotting |
| Battery life ( hrs of operation) |
30 NiMH |
| Low battery indication |
Y |
| Recharging time (complete cycle in hrs) |
<10 |
| Connecting to car battery (Y / N) |
Y |
| Weight (kg) |
8.5 kg |
| Height (cm) |
30 cm |
| Width (cm) |
20 cm |
| Depth (cm) |
25 cm |
| Tripod attaching screw (5/8” x 11) |
Y |
| Operating temperature (° Celsius) |
-20 to +50 |
| Water resistance |
IP54 |
| Notes remarks manufacturer (max. 30 words) |
Long range 2-way remote control included. Auto axis alignment and Grade Match mode. Single grade model (GL710) and steep slope model (GL742) available |
| Detector: |
HL700 |
| Detection accuracy |
0.1, 0.5, 1.0, 2.0, 5.0, 10.0 mm |
| Beam interception indicator |
LCD and LED's |
| Power supply |
2 x AA |
| Standard or branch battery |
Standard |
| Operating time |
60 hr |
| Auto power off |
30 min or 24 hrs |
| Water resistance |
IP66 |
| Weight (kg) |
0.27 |
| Height (cm) |
16.8 cm |
| Width (cm) |
7.6 cm |
| Depth (cm) |
3.6 cm |
| Operating temperature (° Celsius) |
-20 to +50 |
| Notes remarks manufacturer (max. 30 words) |
Digital readout of elevation of +/- 5 cm, 12.7 cm reception height, anti-strobe filter, withstands a 3 m drop onto concrete, 3 year complete warranty |
