Four Cylinder EGT Kit with 2 1/2″ Clamp Probes

The ET204 is a full color EGT instrument that provides simultaneous, real-time display of all four cylinders. This kit includes four Type-K ungrounded, 2 1/2″ EGT clamp type thermocouple probes, all connectors and installation hardware.

Exhaust gas temperature functionality is TSO’d and meets the temperature accuracy requirements of SAE AS8005 for a Class IIa (+/- 1%) instrument. Functional displays include:

• Real-time four cylinder temperature display
• Menu select option for fast selection of display type
• Automated rich-of-peak (ROP) leaning function
• Automated lean-of-peak (LOP) leaning function
• Single cylinder temperature monitoring while retaining graphic indications for all cylinders
• Graphic trend analysis and viewing of all cylinders simultaneously

The ET204P3 is TSO’d and STC’d as a primary replacement instrument under all flight conditions (day/night VFR and IFR).

Certification / Compliance
TSO C43c
Canadian STC
FAA STC
Certified as primary replacement

Environmental
DO-160F A1CAASXXXXXXZBXXBBBCSBA1C11XXAX

Software
DO-178B

DC Power Source
Input voltage 6 to 36 VDC
Power consumption 100mA
Load dump tolerance +60V
Direct spike tolerance +/- 60V
Cable spike tolerance > +/- 1KV

Operating Temperature
Constant operating -15ºC to +55ºC
Short term operating (1hr) -40ºC to +70ºC
Storage -55ºC to +85ºC

Signal Input
0.0V to 44.866mV, ungrounded Type-K thermocouple

Display Temperature Range
200ºF to 2000ºF

Accuracy
Temperature SAE AS8005 Class IIa +/- 1% FS

Display Units
ºF or ºC, user selectable

Display
Sunlight readable LCD
80º Viewing angle from all directions
Internal and external intensity control

Annunciator Output
100mA sink with reverse EMF protection

Interface Connector
DB-25

Software Functionality

Dimensions
2.45” X 2.45” X 0.9”

Weight (excluding harness)
4.05 oz

Finish
Black anodized 6061 aluminum