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Home > Products > Opticals > Optical Instrument Selection Guide
    

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  CST/berger brands can be found anywhere construction, surveying, leveling, and layout work is being performed.
 

CST/berger is the premier manufacturer of quality surveying and construction laser instruments

 

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Selecting the Right Instrument

Will it be necessary to measure vertical angles?
For horizontal work only a level instrument will be adequate. If vertical plumbing, aligning or measuring is involved, a level-transit will be required.

How large is your job site?
The answer to this will determine what magnification is required, as well as the diameter-working range required.

What accuracy is needed?
All instruments have accuracy tolerances based on the instrument"s construction, magnification and distance involved. For very precise work, a high-powered instrument may be required even for short-range applications.

Is automatic leveling important?
Automatic levels are easier and faster to set up for leveling, which may be important if you have several setups on one job site.
Levels and Transit-Levels     

Model
Magnification
Leveling Accuracy
@ 75 feet
Horiz. Angle
Vertical Angle
Working Range
Up to
54-

135
20X
1/4"
——
——
200'
54-

136
20X
1/4"
——
——
200'
54-
 140
20X
1/4"
15 min.
——
200'
54-

190B
20X
1/4"
15 min.
——
200'
54-

200B
20X
1/4"
15 min.
1°
200'
54-
 300B
22X
1/8"
5 min.
1°
250'
54-

300LP
22X
1/8"
5 min.
1°
250'
 

Specialty

Model
Magnification
Leveling Accuracy
@ 100 feet
Horiz. Angle
Vertical Angle
Working Range
Up to
56-

SCT1
20X
1/8"
1 min.
1 min.
250'
56-

DGT2
30X
1/16"
2 sec.
2 sec.
400'
56-

DGT10
30X
1/16"
5 sec.
5 sec.
400'
 

Automatic Levels

Model
Magnification
Leveling Accuracy
Horiz. Angle
Compensator Setting
Working Range
Up to
55-
 CAL26
26X
1/16" at 150'
1°
±0.8"
325'
55-

PAL22
22X
3/32" at 150'
1°
±0.8"
250'
55-

PAL24
24X
1/16" at 150'
1°
±0.8"
300'
55-

PAL26
26X
1/16" at 200'
1°
±0.5"
325'
55-

SAL20N
20X
1/8" at 100'
1°
±0.8"
200'
55-

SAL24N
24X
1/16" at 150'
1°
±0.8"
300'
55-

SAL28N
28X
1/16" at 200'
1°
±0.5"
350'
55-

SAL32N
32X
1/16" at 250'
1°
±0.3"
400'
 
 
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