PAB-2 periscopic artillery surveying compass

PAB - 2 - a periscopic artillery surveying compass - the main monitor fire of artillery

Surveying compass PAB - 2
Appointment:
On observation post:
- to define the main directions;
- to measure horizontal corners between the main directions and the purposes;
- to define magnetic azimuths of the directions on the purpose;
- to measure deviations and height of gaps;
- to observe the purposes;
- to define true azimuths of the direction on any points on the district;
- to do marks by the sun, to the moon and stars;
- to make an otkatka on the main tool of the battery.
On a firing position:
- to proveshivat the main directions of firing;
- to give to the main tool the direction on the set surveying compass or on a true azimuth;
- to measure corners of shelter;
- to break the front of the battery.
Main tactical specifications of a surveying compass of PAB - 2M
Increase - 8×
Field of vision:
in divisions of a goniometer - 0: 83
in meters at a distance of 1000 m from the m device - 87
Diameter of an entrance pupil is - 22 mm
Diameter of an output pupil of - 2,8 mm
Periskopichnost - 350 mm
Limits of measurement of corners:
horizontal - 60: 00 (360.)
vertical - + 3: 00
Price of division of scales of a goniometric grid - 0: 05
Price of division of goniometric and bussolny rings - 1: 00
Price of division of a goniometric and bussolny drum - 0: 01
Total value of goniometric scales of a grid - 0: 80
Limits of measurement of range on two - meter
to lath - from 50 to 400 m
Price of division of spherical level - 0: 03
The mass of a surveying compass - 2,5 kg
The mass of a surveying compass in a case of - 4,1 kg
In a set case.