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EI P-300M Magnetic Float Sensor

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Part# 10-05097
MFR Model# P-300M


The P-300M is a PMA’d fuel level sensor designed by E.I. to replace a resistive sensor. The P-300M works off magnetics and is a much more accurate and reliable sensor. It is not affected by vibration, corrosion, wear, varnish build up, poor wiper tension or any of the many other problems affecting resistive sensors.
The P-300M work only with E.I. instruments. The float travel must be specified. If an existing sensor is to be replaced, ship you old sensor to E.I.
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.

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Please note, Pilotshop's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Pilotshop assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are these P-300M magnetic float sensors FAA approved?

This product is TSO'd and STC'd as an accessory to EI products.

Q: Are these resistive or capacitive? One wire or three wire.

Per the manufacturer, P/N 10-05097 is neither resistive nor capacitive but instead magnetic. The unit uses three wires.

Q: Are P-300M fuel sensors comparable with Dynon HDX?

Dynon recommends using Dynon sensors with their systems. They do not recommend using other brands.