Automatic Level China Engineering Lab Training System Suppliers
Excellent sealed structure for using in any weather Exclusive closed magnetic Field, magetically-dampened compensator Firction-braked rotation and endless horizontal drive Prism for viewing circular vial
|
Standard deviation for 1km double run leveling |
2.5mm |
2.0mm |
2.0mm |
1.5mm |
1.5mm |
1.5mm |
1.0mm |
|
Image |
Erect |
Erect |
Erect |
Erect |
Erect |
Erect |
Erect |
|
Magnification |
20X |
22X |
24X |
26X |
28X |
30X |
32X |
|
Objective aperture |
34mm |
34mm |
34mm |
38mm |
38mm |
38mm |
38mm |
|
Field of view |
1o20' |
1o20' |
1o20' |
1o20' |
1o20' |
1o20' |
1o20' |
|
Minimum focus |
0.5m |
0.5m |
0.5m |
0.5m |
0.5m |
0.5m |
0.5m |
|
Multiplication constant |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
|
Additive constant |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Compensator range |
+/-15' |
+/-15' |
+/-15' |
+/-15' |
+/-15' |
+/-15' |
+/-15' |
|
Compensator setting accuracy |
+/-0.6" |
+/-0.6" |
+/-0.6" |
+/-0.6" |
+/-0.6" |
+/-0.6" |
+/-0.6" |
|
Sensitivity of bubble |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
|
Horiz.circle-reading |
1oor 1 gon |
1oor 1 gon |
1oor 1 gon |
1oor 1 gon |
1oor 1 gon |
1oor 1 gon |
1oor 1 gon |
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