Usage and Significance of Probes & Sensors In Aircraft System
Probes and Sensors In generic terms, a probe is an instrument with a pointed metal tip that is inserted into something to test for conditions. A sensor is a device that perceives and reacts to the data the probe provides and then displays the information in a readable display. In other words, the probe gathers the information and then sends to the sensor for analyses and measurement. Aircraft Systems When most people look in the cockpit on an aircraft, they see a random collection of numbers, dials and arrows. The experienced pilot, however, knows the value of every single measurement. Those displays tell the pilot how well the engine is performing during flight. Probes and sensors are responsible for some of the information displayed on the cockpit. Depending on the aircraft, when it was built, how it’s being used, and other factors, certain factors are measured. Probes collect the information and send it to a sensor to process and display a reading. Some of the information an aircraft might depend upon probes and sensors to display includes gas, pressure, and RPM. J.P. Instruments Since 1986, J.P. Instruments (JPI) has been a leader in aircraft engine data management systems. It offers a wide range of probes and sensors. Its selections includes: o CHT Probes, which measures cylinder heat temperature. This helps the pilot protect the engine against the danger of extreme heat. o CDT Probes, which measure compressor discharge temperature. This helps the pilot keep track of the intercooler and lets them know when to clean its core. o EGT Probes, which measure exhaust gas temperature. This tells the pilot what’s going on during the exhaust stroke after the exhaust valve opens. It can detect irregular combustion events. o IAT Probes, which measure induction air temperature. Like CDT probes, this helps the pilot keep track of the intercooler and them know when to clean its core. o TIT Probes, which measure turbine inlet temperature. This can help a pilot determine whether an engine might fail. o CRB Probes, which measure carburetor temperature. This provides the pilot with necessary information about the engine’s cooling system and possible icing. o OAT Probes, which measure outside air temperature. This affects density and pressure altitude. o Fuel Flow Transducer, which measures hydrocarbon fuel flows. This pertains to fuel consumption. o Oil Temperature Probes. This can determine oil pressure, a loss of which is an emergency. o RPM Sensor, which essentially measure performance. o Manifold Pressure Sensors, which measures internal combustion. This impacts performance. Pilots and mechanics recognize JPI for its high quality, excellent service, and reliability. JPI remains committed to providing customers with highest quality products and service and customer service remains its priority. As well, JPI offers Single and Twin Engine Management Systems, Fuel Flow Instruments, GPS Moving Maps, Slim Line Gauges, EGT Gauge, Adapters and Cables, and Classic Scanners.
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