190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 21-1
21 ENGINE/AIRFRAME SENSOR INSTALLATION
21.1 Engine/Airframe Sensor Options
Table 21-1 lists the types of engine/airframe sensors that may be used for the various engine/airframe
inputs. Many of these sensors are included in the Garmin G3X™ avionics Sensor Kits (Section 21.2
). Each
of the sensors must be correctly installed and configured (Appendix H.4.19
for GDU™ 37X display
systems and Section 30.4.32
for GDU 4XX systems) before use.
NOTE
In addition to the engine sensors listed in Table 21-1, the G3X system can also work with
many other sensors (not listed) that output a compatible signal, refer to the sensor
specifications to establish compatibility.
Table 21-1 Compatible Engine/Airframe Input Sensors
SENSOR TYPE
COMPATIBLE
SENSORS
GARMIN PART
NUMBER*
NOTES
Bus Current
10-29 Vdc input N/A
Amploc KEY100 Hall effect
sensor
N/A +/- 100 A
UMA 1C4 shunt 909-D0000-00 +/- 100 A
Other ammeter shunt or
Hall effect sensor types
N/A
Uses custom user-defined
calibration (millivolts to amps)
Carburetor
Temperature
Rotax 965531 N/A
Rotax 966385 N/A
50-150C Thermistor (e.g.
VDO 320-XXX series)
N/A
Type K Thermocouple N/A
MS28034/
MIL-T-7990 RTD
N/A
UMA 1B10R RTD 494-70005-00
UMA temperature sensors without
the "R" designation are not
compatible
Coolant Pressure
Garmin GPT 75G 011-05783-20 0-75 psiG
Kavlico P4055-5020-3 N/A 0-75 psiG
Any voltage-output
pressure transducer
N/A
Uses custom user-defined
calibration (voltage to pressure)
Custom Analog
Parameter
Any voltage-output sensor N/A
Uses custom user-defined sensor
calibration
*Items with a Garmin part number may be included in a G3X Sensor Kit (Section 21.2), and are available
individually from Garmin Dealers
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