Mainfeatureanduse:
Thetelescopeisinnerfocusedwithsharpimage.Theruleriseasytoreadandestimatewithhighreadingprecision.
Theverticalaxisissemi-mobile,turningsmoothly,highdirectionalprecision.
Thehorizontalsdandarddeviationofonemeasurementisnotlargerthan±6",theverticalstandarddeviationofone
measurmentisnolargerthan±10".Theinstrumentismainlyusedforlowlevelcontrolmeasurement,engineering
measurement,wiremeasurementandconstructionmeasurementetc.
Themagnifyingrateofthetelescope
28x
Theeffectiveapertureoftheobjectlens
φ40mm
Theminimumgraduationofthedial
1°
Theminimumgraduationofthemarkingruler
1’
Theviewdistanceoftheopticalcenteradjuster
0.8-1.5M
Weightoftheinstrument
3.5kg
Image
Erect