Technical data:
| Model |
E20 |
E24 |
E28 |
|
| Optics |
upright |
upright |
upright |
|
| Magnification |
20x |
24x |
28x |
|
| Clear objective aperture |
30 mm |
30 mm |
30 mm |
|
| Shortest focusing distance |
0.5 m |
0.5 m |
0.5 m |
|
| Additive constant |
0 |
0 |
0 |
|
| Multiplication factor |
100 |
100 |
100 |
|
| Compensator operating range |
±15' |
±15' |
±15' |
|
| Setting accuracy |
±0.5" |
±0.5" |
±0.5" |
|
| Horizontal circle |
400 gon |
400 gon |
400 gon |
|
| Sensitivity of circular bubble |
8'/2 mm |
8'/2 mm |
8'/2 mm |
|
Standard deviation per km
double-run levelling |
±2.5 mm |
±2.0 mm |
±2.0 mm |
|
| Protection class |
IP 54 |
IP 54 |
IP 54 |
|
| Weight |
1.3 kg |
1.3 kg |
1.3 kg |
|
| Connecting thread |
5/8" |
5/8" |
5/8" |
|
| Ref.-No. |
460 772-613 |
460 747-613 |
460 789-613 |
|
| Ref.-No. set* |
467 200 |
467 225 |
467 285 |
|
* Levelling set with E-level consisting of:
- Builders' level E20/E24/E28
- 5m telescopic levelling staff with bag Ref.-No. 345 115-613
- Aluminium tripod Ref.-No. 200 215-613
