Specification:
Standard Dev. Over 1km 1.5mm
Image erect
Magnification 28X
Objective aperture 36mm
Field of view 1'20'
Stadia ratio 100
Additive constant 0
Compensator range +/- 15'
Compensator setting accuracy +/-0.3"
Application:
The dumpy Levels are designed for service
as an entry level instrument and performs well
as consumption levelling instrument.