No. 1402 TEBAL

For the determination of direction and velocity of the wind in different heights by angle measurements at predetermined time intervals. Instrument equipped with electronic angle encoders (resolution 0,1°) interface RS 232 with rechargeable battery pack for online data-transmission onto a PC and data recording software. Wide angle eyepiece, extremely bright, bent axis type main tracking telescope. Magnification 16x or 20x, fixfocus, aperture 48 mm, open sights to quickly find ascending balloon. Rotable horizontal circle (Ø 142 mm) with 2 diametrically opposite reading positions, vertical circle (Ø 128 mm). Vernier reading to 0,1° and reticule illumination. For ease of tracking the balloon all movements are frictioncontrolled by endless wormdrive screws.

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Dito, however telescope magnification 20x No. 1403 Evaluation software for the calculation of the velocity and direction of the wind No. 1402630 Accessories:   Wooden tripod No. 4100 STAWE-G Finder telescope No. 1401 TETEL Sun filter No. 8415 TESUN Double polarizing filter No. 84056 TELUM Tubular compass No. 804 TEROB Pillar base plate with metal instrument cover No. 19.1400 TEPIL