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Home » Products » Survey & Drawing Instruments » South Automatic level

South Automatic level

South Automatic level
South Automatic level
Product Code : 09
Product Description
Automatic Level NL Series

Specifications

Model
NL 20
NL 22
NL 24
NL 26
NL 28
NL 30
NL 32
Standard deviation for 1 km 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
1o 20'
1o 20' 1o 20' 1o 20' 1o 20' 1o 20' 1o 20'
Minimum focus
0.5mm
0.5mm 0.5mm 0.5mm 0.5mm 0.5mm 0.5mm
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
1o or 1gon
1o or 1gon 1o or 1gon 1o or 1gon 1o or 1gon 1o or 1gon 1o or 1gon

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
  • Prism for viewing circular level

ROORKEE SURVEY HOUSE

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