Main telescope 21 power right angle elbow; lcd digital readout; accuracy and resolution to 10 arc seconds; rs232-c serial port; cross wire and readout night illumination
No other part numbers with same form, fit, and function found.
A telescopic instrument used in determination of wind direction and speed by optical tracking of free moving balloons. Two telescopes are generally provided, one for finding the object and the other for tracking. Sighting through the scopes is by means of right angle eyepieces. Vernier scales are used for fine reading of the horizontal and vertical circles. Some instruments are designed with auxiliary devices for plotting the observed positions at the time of observations. Illumination may be provided for observations at night. Excludes transit and transit, pocket.
Classification: Parts and accessories for surveying
NSN 6135-01-438-9450
NSN 6610-01-322-4331
NSN 6150-01-358-3407
NSN 5905-00-470-8269
NSN 6220-00-258-2967
NSN 5999-01-024-9383
NSN 6610-01-460-4864
NSN 6110-00-965-5447
NSN 5985-01-335-0388
NSN 5930-01-399-4527
NSN 6150-01-363-5964
NSN 6610-01-033-1327