Based on the model of the magneto installed in your aircraft, there are several different models / types of RPM standard sensors for aircraft. The RPM standard sensors you select and use would therefore depend on the brand of magneto in your aircraft.

Typical RPM standard sensors (as manufactured by J P Instruments) include:

RPM Standard Sensor for pressurized BENDIX 1200 SERIES (JPI part # 10-05459)
RPM Standard Sensor for pressurized BENDIX 20 SERIES (JPI part # 10-05460)
RPM Standard Sensor for pressurized BENDIX DUAL MAG SERIES (JPI part # 10-05461)
RPM Standard Sen ... Read more »