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 Temp 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, Digital Gauges, Adapters and Cables, and Classic Scanners. Visit Here :- https://www.jpinstruments.com/
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Have you ever wondered what makes your flight comfortable and perfect? Of course, your answer will be a qualified pilot and partly you are right. However, you need to consider also the aircraft you flew in. There are tiny devices that made the pilot show his expertise, these devices are called sensors. As a matter of fact, sensor system turns out to be the most important parts of an aircraft. The control systems of flight and engine operation are basically controlled by propulsion, space and engine sensors. No matter how qualified your pilot is the aircraft will need sensors for it to take flight even in the toughest conditions. Top Characteristics of Sensor Systems Virtually there are many sensors that come together to form a system of the sensor. To be precise an aircraft can have between 75 and 100 sensors. Some of the sensors installed in commercial jets include: • Magnetic compass • Altitude both aneroid and electronic • Electronic and aneroid airspeed • Satellite GPS • Radio compass • Cabin and cargo air pressure • Cargo temperature • Fuel, fuel tanks and fuel pumps temperatures • Weight sensors in the landing gear • Fuel pressures and flow • Turbine temperature, pressure and fuel burn etc. Basically, Aircraft Level Sensors are most fixed in cabins and engines. It is quite clear that we cannot know the characteristics of them all. For example, air pressure sensors have a pressure regulator safety valve, control sensors that enable the plane fly in higher altitudes of more than 5,000 feet, and air pressure filter. A magnetic radio compass antenna is characterized by its less weight, less mechanism and its high rejection of any precipitation. How do Sensor Systems Operate? Modern aircraft are fitted with sensors that play a major role in the safety of the plane, passengers, and cargo on board: 1. Temperature sensors – this basically measures the temperature of various engines, record cylinder, exhaust gas, oil/fuel, fluid, PC Interface Cables etc. A change in temperature creates a certain current that causes a resistance that is sensed by the sensors and recorded. 2. Liquid level sensors – this is most placed and installed in reservoirs, tanks, and gearboxes. Any level of change is shown in the cockpit. 3. Flow sensors – it measures any rate of flow of any liquid like fuel and oil. These sensors have electronics that connect with EGT Gauge that displays any flow rate in the pipes. 4. Proximity sensors – it usually senses any door e.g. landing gear door, cargo bay door or other that opens or closes. It senses any extension or retraction of the landing gear. In conclusion, every sensor systems are important to pilots during any flight and he can relax when all are indicating green. However, he takes action on any sensor that is abnormal since the safety of the plane is not guaranteed. Next time you are taking flights know that sensors are part of your safe arrival. Visit Here :- https://www.jpinstruments.com/ |
AuthorJ.P.Instruments was founded in 1986 in Huntington Beach, California, USA. Its founder, Joseph Polizzotto, is now the current CEO. Archives
May 2019
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