Connections For Instrumentation; Sensor For Cylinder Head Temperature - Rotax 912 ULS 3 Installation Manual

21) Connections for instrumentation

These connections to be established in accordance to certification and/or national
specifications.
The certification for connections and connection lines have to be conducted by the
aircraft manufacturer to the latest requirements like FAR and EASA.
For notes regarding the electric rev-counter consult the section 17.

21.1) Sensor for cylinder head temperature

See Fig. 4, 84 and 85.
◆ NOTE:
The temperature sensor (1) is directly fitted into cylinder head i.e. a direct
temperature reading of the cylinder head material is taken.
- location:
- connection:
- grounding:
- graph of sensor resistance over temperature
(Ω)
1200
1000
800
600
400
200
Fig. 84
0
20
00227
■ CAUTION:
Effectivity: 912 Series
Edition 1 / Rev. 0
INSTALLATION MANUAL
A direct reading of the coolant temperature is not provided for.
in the cylinder head of the cylinders 2 and 3, see Fig. 4.
spade terminal 6,3x0,8 to DIN 46247
via engine block
40 60 80 100 120 140 160
The graph resistance over temperature has been determined,
and is effective at the following conditions only.
ambient temperature: 20 °C (68 °F)
tolerance:
BRP-Rotax
04868
cylinder head
2
3
(°C)
± 10%
Axes
x axis y axis z axis
mm mm mm
-200,0 241,0 -157,0
-387,0 -241,0 -157,0
1
Fig. 85
00327
page 127
May 01/2007