| Brand |
Sokkia |
| Model / Type |
SDG1 |
| Date of introduction |
39814 |
| Operating range (R in metres) |
400m |
| Accuracy (mm per 100m) |
4.8mm |
| Automatic self-levelling (Y/N) |
Y |
| Levelling range in automatic mode |
±5° |
| Out of level indication |
Y, HI Alert |
| Grade (Y / N) Single (S), Double (D) |
Y (D) |
| Manual grade range |
N |
| Automatic grade range |
-10% to 10% (X) -5% to +25% (Y) |
| Disturbance alert |
Y |
| Damping system |
Electronic |
| Rotation speed (rpm, rotation per minute) |
300/600/900 rpm |
| Laser diode |
690nm |
| Laser class |
Class 3R |
| Visible beam |
Y |
| Battery life ( hrs of operation) |
±80 hrs (Ni-MH) ±85 hrs (alkaline) |
| Low battery indication |
Y |
| Recharging time (complete cycle in hrs) |
±7 hrs |
| Connecting to car battery (Y / N) |
N |
| Weight (kg) |
3.6kg |
| Height (cm) |
25.3cm |
| Width (cm) |
21.8cm |
| Depth (cm) |
17.4cm |
| Tripod attaching screw (5/8” x 11) |
Y |
| Operating temperature (° Celsius) |
-20°C to +50°C |
| Water resistance |
IP66 |
| Detector: |
LR200 |
| Detection accuracy |
±0.5mm or ±2mm (selectable) |
| Beam interception indicator |
LCD (both sides)/LED/Audio tone |
| Power supply |
2 X AA (R6) batteries |
| Standard or branch battery |
Standard |
| Operating time |
±100 hrs (w. alkaline batteries) |
| Auto power off |
Yes, ±30 minutes after operation |
| Water resistance |
IP66 |
| Weight (kg) |
0.19 |
| Height (cm) |
14.6cm |
| Width (cm) |
7.6cm |
| Depth (cm) |
2.6cm |
| Operating temperature (° Celsius) |
-20°C to +50°C |
| Notes remarks manufacturer (max. 30 words) |
Detector displays HI Alert and battery level information from the SDG1 laser |