Products


M303 Features

  • LIGHT WEIGHT
  • 2 1/4 STANDARD MOUNT OR FRONT MOUNT
  • AUTOMATIC DIMMING
  • MINIATURE REMOTE PROBE
  • SUNLIGHT READABLE DISPLAYS
  • OUTSIDE AIR TEMPERATURE (°F)
  • OUTSIDE AIR TEMPERATURE (°C)
  • AIRCRAFT VOLTAGE WITH ALARM
  • LASER ENGRAVED FACEPLATE
  • FAA-PMA APPROVED


# # #
Part Number Part Description
M303-1 View Prices MODEL 303-1 O.A.T. F & C VOLTAGE FRONT MOUNT (TEMP. PROBE INCLUDED)
M303-2 View Prices MODEL 303-2 O.A.T. F & C VOLTAGE REAR MOUNT (TEMP. PROBE INCLUDED)
655-PROBE View Prices PROBE-7FT-RB TEMP PROBE 7FT RED/BLK TWISTED (ANALOG) 301,303,307& 655 , NOTE: UNITS WITH "D" IN THE SERIAL # USE A DIGITAL PROBE
C307PS View Prices PROBE-12FT-WHT-C307PS TEMPERATURE PROBE 12FT COAX (ANALOG) 301,303,307,655 & 803
C307PSM View Prices PROBE-12FT-WHT-C307PSM TEMPERATURE PROBE 12FT COAX (ANALOG AD590MH, ENHANCE PRECISION TEMPERATURE) 301,303,307,655 & 803
D307PS View Prices PROBE-12FT-WHT-D TEMP PROBE 12FT WHITE DIGITAL (FOR UNITS WITH "D" IN THE SERIAL #; MODELS 301, 303, 307 & 655)
PROBE-NICKEL-655-NUT View Prices NUT FOR TEMP. PROBE (REQUEST ADDITIONAL O RING AND WASHER IF NEEDED)
  • Temperature range: -40°C to +100°C
    -40°F to +212°F
  • Operating Temp: -25°C to + 60°C
  • Voltage Range: 10 to 32 Volts +/- 0.2 Volts Typ.
  • LED with automatic dimming

 

 
  • Input Voltage: 14 to 28 Volts
  • Input Current: 100 mA max.
  • Weight: 5 ounces
  • Warranty: 1 year

Complete with digital probe




INSTALLATION ELIGIBILITY

  • Beech 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, 35-33 and 35-A33

 


Davtron Inc. recommends that you purchase our products through your local avionics shop and have them do your installation. They know how to handle all the log book entries you need for FAA approval. If your airframe is not listed on our PMA approval list above for the unit you're installing, you need to complete a FAA 337 form and file with your local FSDO. FAA PMA # PQ1062NM. (View a sample 337 form)





Frequently Asked Questions

 

Q: My gauge is reading 500 to 900 degrees, what is wrong?

A: There is a shorted capacitor or an open probe, C and F won't correspond to each other.

 

Q: My unit has no display, it doesn't work.

A: You probably have a burnt out ½ amp pico fuse. Surface mount unit uses a ¾ amp surface mount fuse.