Auto Level
EV-DSC400 Series
Features:
Chinese patent, excellent shockproof function
Excellent sealed structure for using in any weather
Exclusive closed magnetic field, magnetically-dampened compensator
Friction-braked rotation and endless horizontal drive
|
ITEM |
Model |
DSC420 |
DSC422 |
DSC424 |
DSC426 |
DSC428 |
DSC430 |
DSC432 |
|
Standard deviation for 1km double run levelling |
2.5mm |
2.0mm |
2.0mm |
2.0mm |
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 |
36mm |
36mm |
36mm |
38mm |
38mm |
|
Field of view |
1º20' |
1º20' |
1º20' |
1º20' |
1º20' |
1º20' |
1º20' |
|
Minimum focus |
0.3m |
0.3m |
0.3m |
0.3m |
0.3m |
0.3m |
0.3m |
|
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 |
±0.8" |
±0.6" |
±0.6" |
±0.6" |
±0.5" |
±0.5" |
±0.5" |
|
Sensitivity of bubble |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
8'/2mm |
|
Horiz circle-reading |
1º or lgon |
1º or lgon |
1º or lgon |
1º or lgon |
1º or lgon |
1º or lgon |
1º or lgon |
|
Instrument weight |
1.70kg |
1.70kg |
1.70kg |
1.70kg |
1.70kg |
1.70kg |
1.70kg |
|
Tripod |
M16 or 5/8" |
M16 or 5/8" |
M16 or 5/8" |
M16 or 5/8" |
M16 or 5/8" |
M16 or 5/8" |
M16 or 5/8" |
Evian Manufacture Co., Limited was founded in 1999 which specialized in manufacturing and supplying the various of Bubble Level Vials (such as tubular bubble levels, circular leve vial, block level, hot shoe camera bubble level, washer spirit level vial, ect), spirit levels, tape measure, and other hand tools, ect.
Evian have owned production line as well as design department, all of our staff are well trained and working very hard and careful, which gives guarantee of stable quality, big production capability. Our all production process perform with ISO9001 management operation system. Moreover, EVIAN has strong marketing term which always pay great attention to develop innovative products and keep our company stand on top of the industry. Otherwise we also have the professional international export department which performa to export our high-quality bubble levels and other hand tools to the worldwide especially (Europe, USA, SOUTH America, MIDDLE-EAST MARKET) with our best service and exact delivery time.
Because of our best quality, innovative products, good service and exact delivery time, ect we have a very good credit in the heart of our all old clients. Here we sincerely wish to establish long term cooperation with the new clients based on the principle of mutual benefit, credit, equitableness.
