CHO-T
Sextant CHO-T
Type CHO-T sextant is intended for measurement of the altitude of celestial bodies both at sea and ashore, as well as for measurement of the angles between the coastal objects observable from the ship, in order to find the observer's position coordinates.

Specifications
Range of angular indications 0 - 120o
Instrumental error, no more than ±12"
Dial scale division 1o
Drum scale division 1'
Reading error for drum scale ±6"
Correction to sextant indication ±36"
Backlash between worm screw and frame, not over 12"
Galilean telescope ratings:
  magnification 3x - 4x
  field of vision 4o30 - 6o40
Mass of sextant, kg:
  less packing box 1,5
  with packing box 4,5

 

Overall dimensions of sextant with Galilean telescope, mm 300x228x137
Overall dimensions of packing box, mm 278x275x160

The sextant is supplied in conjuction with spare parts set arranged in the packing box.

- .

0 - 120o
, ±12"
1o
1'
±6"
±36"
12"
:
   3x 4x
   6o 8o
:
   6x 7x
   4o30 6o40
, :
   1,5
   4,5

 

, 300x228x137
, 278x275x160

, .