Altimeter — Manual
Figure 4: Back view of the 57 mm instrument with connections.
(a) Standard 80 mm model.
Figure 5: Back view of the 80 mm instrument with connections.
2.2.1
Static Pressure - Pst
Indu Altimeter must be connected to the static pressure source. Static pres-
sure source is usually obtained from pressure sources located on the fuselage
side surfaces or from the static port on the pitot tube.
Locate the existing tube, cut it at an appropriate place and insert a T junction.
Install a new tube from junction to the instrument.
It is highly recommended to keep the static tubing as short as possible. The
tubing must avoid sharp bends and twists. The tubing must be airtight.
(b) 80 mm backup model until SN
21074.
12
2.2 Connections
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