|
|
|
National Stock Number:
6660-01-445-4594
Federal Supply Class:
6660
National Item Identification Number:
014454594
Description:
THEODOLITE,METEOROLOGICAL
Detail:
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.
|
Manufacturer Information:
| 20-9128 | 63848 | WARREN INDUSTRIES INC | | AN/PMN-1 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |
|
Techincal Specification:
| AUTOCOLLIMATION EYEPIECE | NOT INCLUDED | | CIRCULAR LEVEL | INCLUDED | | DETACHABLE TRIBRACH QUICK RELEASE MECHANISM | NOT INCLUDED | | DOUBLE CENTER | PROVIDED | | GRADUATION UNIT ON HORIZONTAL/VERTICAL CIRCLE | MILS | | HORIZONTAL BASE AUTOMATIC CENTERING DEVICE | NOT INCLUDED | | HORIZONTAL BASE DETACHABLE TRIBRACH | INCLUDED | | ILLUMINATED FEATURE | INCLUDED | | MINIMUM GRADUATION | 1.000 MILLISECONDS BREAKDOWN SCALE OR 1.000 DEGREES BREAKDOWN SCALE | | OPTICAL PLUMB | INCLUDED | | OVERALL LENGTH | 15.000 INCHES NOMINAL | | PLOTTING DEVICE | NOT INCLUDED | | SIGHTING DEVICE TYPE | TELESCOPE | | TRIPOD | INCLUDED | | UNIT TYPE | DIRECTIONAL |
|