What Are The Features And Specifications Of EDM 700 Systems?

EDM 700 SystemsOverview of the EDM 700 System

The Engine Data management 700 system is one of the accurate and advanced piston engine- monitoring devices in the market. The EDM 700 System uses latest microprocessor technology to monitor up to 24 critical parameters in any at a speed of four times per second in line with thermocouple having an accuracy of more than 0.1 percent or of 2 F.

The EDM 700 System is capable of collecting data and displaying it in a more useful manner. It is used for monitoring voltages and temperatures, adjusting air/fuel mixture and diagnosing engine malfunctions.

The EDM 700 System is also capable of displaying temperature in an analog format and digitally. The EGT which is based on probes that are located adjacent to the exhaust outlet for the TIT probe and each cylinder. In case it is installed, it is located next to a turbo charger. It is not a must for the probes to be collocated with the main probes; hence EDM 700 System may not be at a point of indicating the same as that of aircraft primary instruments.

1. Features of the EDM 700 System

The essential and optional features of the EDM 700 System are as follows:-

• Has a data retrieval software
• Has Fast response probes
• Ability to record and store data more than 20 hours.
• It shows both leaned temperature at peak and below peak
• Has a battery voltage having an alarm
• Automatic scanning and hands-free (primary only)
• Normalize view
• 24 standby programmable alarm limits
• All programming is conducted from the front panel
• Shock cooling is taken care of on every cylinder
• EGTs is constant to 1 degrees Fahrenheit
• DIF is low to high EGT and having an alarm
• Post-flight data retrieval
• Index rate is user selectable
• It has a MAP
• FAA that is necessary for primary temperatures instruments
• It has an RPM Sensor
• Carburetor temperature
• Oil temperature
• Alarm of low fuel quantity
Fuel Flow Instruments
• Outside temperature
• Alarm of low fuel time

2. Technical specifications

o EGT Probes 5050 MM-111 of 2.0 0z, each/ 0.13lbs
o MAP and RPM of 1.5 oz., each/.09 lbs.
o CHT probe 5050 of 1.5 oz., each/ 0.09 lbs.
o TSO C43b, Temperature Indicator, EGT-701 of 14.5 oz. / 0.9lbs
o Wire P.N. WK,-24 Harness 8 ft. of 14.0 oz. each/ 0.9 lbs.
o FAA of DO-160C, TSO-C343B, DO-178B Level C and STC, SA 2586 NM
o Display Size of 2-1/4” in the panel mount, 7.5” deep and optional 3-1/8” display
o Serial Data recording
o Power connector
o Volts
o Span
o 6 probes or EGT 4
o 6 probes or CHT 4
o Shock cooling
o EZTrends
o CHT/EGT Harness


When the Digital EGT Gauge Is Said To Be Excessively Hot & How It’s Work?

Digital EGT GaugeIntroduction to the Digital EGT Gauge

The digital EGT Gauge is a type of meter that is used for screening the fumes gas temperature of the inner burning motor together with the thermocouple-sort pyrometer. Exhaust gas temperature gauges (EGT gauges) are mostly found in particular planes and autos. A pilot or a driver is able to acquire the thought concerning the Air-fuel proportion of the vehicle by taking an observation of the EGT.

A capable motor is known to be experiencing warmth which makes it hard to get nearer it. This warmth that is formed from burning fumes gas temperature also known as EGT is measured in the diesel section. The exhaust gas temperature gauge is said to be imperative because when the in-chamber temperatures get highly hot, they are at a position that makes it easy to dissolve cylinders, make general ruin in the motor, annihilate turbos and break heads. In addition, it is advisable for the diesel to have a particular level of warmth to run, but high EGT should not be placed nearer it.

1. When EGT Is Said To Be Excessively Hot

An exhaust gas temperature gauge is said to be excessively hot at the point where diesel fuel is being showered into a burning chamber, admission of air is lighted which has been contracted and is able to attain a temperature of at least 900 degrees Fahrenheit. It is observed that a fire front of at least 4000 degrees Fahrenheit is made at the instant where the diesel touches off. This fire front that is superheated warms up the air surrounding it making high chamber weights of almost 3000 psi each and every time. This weight and high Temperature Sensor Aircraft recorded pushes the cylinder down causing torque and pull. It is noted during the process that despite the fact of conducting the process in the diesel motor, the intermediate consuming specifications of the diesel fuel maintain the fuel consuming up to 40 degrees Fahrenheit of the crank angle also known as the crankshaft’s pivot.

2. Source of the Heat

Apart from the energy stroke of the motor, fuel ignition’s vitality pushes the cylinder down. Majority of this vitality is converted to work as the rest is converted to warmth where part of it is consumed by the chamber dividers, barrel head(s) and cylinders. Anything that remains, get constrained from the motor alongside the fumes stroke. This warmth provides an output that is read by the EGT test connected in the ventilation system.ii1

Fumes gas temperature in the Digital Gauges test can be supported in the in-chamber temperature as long as the motor has a radical fuel tuning. Also, it is observed that high fumes gas temperatures put the turbochargers, fumes valves and motor on a colossal level of strain and are capable of prompting segment disappointment which is the main reason why EGT-to shield things are screened from breaking, splitting and dissolving.

Aircraft Fuel Gauge: Best Way to Monitor Engine Health and Air/Fuel Mixture

Aircraft Fuel GaugeIt is obvious how you or your close friend may have been frustrated when you were driving and you ran out of gas while you were driving. Of course, there are various inconveniences and delays especially when you were a far off from the nearest gas station. You must have learned a good lesson of always checking fuel before starting your journey.

It becomes a real tragedy and disaster when an aircraft runs out of fuel while in flight, especially in small aircraft. Due to the advancement in technology, if the plane happens to run low on gas, they can be refueled while still in flight. However, you need a very accurate device to gauge fuel in an aircraft having in mind that lives can be lost in case it is empty. Let’s understand how this aircraft fuel gauge works.

How Does Aircraft Fuel Gauge really Works?

For smaller aircraft, they usually use less complicated float level gauge which uses magnetic couplings and other potentiometers which show fuel levels to the pilot. In larger planes, capacitors are usually mounted in airplane’s fuel tank. The capacitors show the information into the computers which calculate the levels of fuel that’s consequently shown on the fuel gauge.

In cases where the pilot is supposed to know every level of fuel in the tank, multi-level sensors are installed to transmit the information to the pilot. The fuel system also indicates the pressure, any air/fuel mixture, and temperature of the engine which is transmitted to their respective sensors. The sensors show the injection rate of the fuel and also show any harmful condensation in the engine.

The Aircraft fuel gauge is very important to the pilot to determine the health of the engine. In case there is any malfunctioning of the engine, the pilot is able to detect it on the fuel gauge. Basically, the aircraft fuel gauge is connected to various Aircraft Level Sensors that are installed in the engines and fuel tanks.

A. Common Challenges Associated with Fuel Levels in an Aircraft

One of the main practical challenges that may arise as a result of inaccurate measurement of fuel levels is the tragedy that will result in loss of lives. Most of the times, aircraft fuel gauge is affected by the height in altitudes. Altitudes mostly affect the density, volumes, and transmission of fuel levels to the fuel gauge which consequently affects capacitors.

Turbulence is also a major challenge, especially in larger aircraft. It disables the capacitors in their fuel tank and hence they cannot transmit any information to the gauge.

In conclusion, in cases of any challenge in the Fuel Gauges pilots are trained to estimate the levels of fuel depending on the plane’s consumption rate and the existing fuel in the engine. However, they may not know the health of the engine in case there is any malfunction, fuel leaks, excess consumption, air/fuel mixture and any fuel blockage. Therefore, you need a functional fuel gauge.

Usage and Significance of Probes & Sensors In Aircraft System

Aircraft SystemProbes 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.

Characteristics and Operations of Sensor Systems in an Aircraft

Sensor SystemsHave 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 Sensor Systems 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 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.

What are the Features of EGT Probe & How It Works?

EGT ProbeAccording to research and study done about sensors or probes, there has been a conclusion that an Engine monitor is just as good as its own probe. This is the reason why various different electronic companies are daily adapting to trends and taking probe manufacturing very serious. An Exhaust Gas Temperature (EGT) probe is a temperature detector that is mounted on exhaust or turbine that relies on thermocouples and therefore it does not require electricity for it to work.

A thermocouple is a temperature sensor that is made up of 2 different types of wires that are joined at some point that measures the temperature temperatures in Celsius or Fahrenheit.

Outstanding Features of an EGT Probe

The following are some of the characteristics of a genuine Exhaust Gas Temperature:

• It has a voltage display – an EGT which is single channeled can measure battery voltages of at most 30V which is designed with a programmable alarm that senses high or low voltages, failure in drive belts or faulty batteries.
• Has a settable high alarm
• Time display meter – this determines the actual time of ignition
• It has a service-interval reminder which is inbuilt
• It contains both an audible and a LED visual alarm – the audible one can be turned on or off when viewing something while the visual one grows red at an occurrence of an alarm condition
• External alarm output that’s for remote indicators
• Have LCD that have graphics that are sunlight readable
• It has a high voltage protection for harsh environments vehicles and also has voltage reversal

Basic Layout of an EGT

When you see an EGT you will see the following:

• An Audible alarm
• LED alarm
• A harness – it connects power, thermocouple and external alarm
• Down button – adjust the contrast
• Menu button – enables you to access the menu system
• Up button – increases the contrast to maximum
• An LCD that displays the graphics

How Does an EGT Really Work?

The thermocouple is the heart of EGT. When the temperature increases at its junction, the metals that meet expand producing electrical pulses. Basically, the level of voltage being generated by these pulses is dependent on the type of metal of thermocouple and the amount of heat.

The sensor is usually connected to a Fuel Gauges that registers the level of temperature that is generated during the throttle or normal functioning of the engine. If there is damage the red Led light will glow. Just know the lower the ETG the more efficient is your engine.

In conclusion, an EGT Probe is one of the most important sensors that can warn you as a driver in situations that can damage your engine and will actually guide you on the level of fuel to use. However, it is advisable that you don’t use excess EGT which can destroy your engine.

How RPM Sensor Is Important In Aircraft System?

RPM SensorAn aircraft RPM censor is one of the most important instruments inside of an aircraft. This specific instrument measures the RPM of the Bendix in the Magneto, or the Bendix inside the Slick Magneto. More recently, they have been used in the Dual Magneto, but this is not a popular application.

The Bendix Magneto can easily be repaired if something goes wrong with it. Typically, you can tell there is something wrong with the Magento by the report sent back from the sensor. Since aircraft is not a popular focus of manufacturers, the most popular options are made by J.P. Instruments.

What Does the Magneto Run Off of?

The Magneto does not run off of the aircraft’s battery. Instead, the power to the magneto comes from the spark plugs, which work like a miniature generator. The Bendix Magneto acts as a small generator would, but inside of the aircraft. It also serves as a transformer, a breaker switch, and a distributor guide, which provides a high amount of power back to the spark plugs.

The RPMs are relayed into the cockpit and read by a sensor. The pilot is able to gauge the function of the components it is attached to, to ensure that the aircraft is operating normally.

Why Do You Need an RPM Sensor?

The RPM sensor inside of the aircraft is essential to the safety of flying your plane. Any sudden drop in RPMs on the sensor Fuel Gauges can alert the pilot of a significant problem or deficiency with the spark plugs of the craft.

Generally, the magneto wears equivalent to the rate of the point faces. The system was designed this way so that the pilot can monitor the wear of the components and ensures that all aspects of the plane are functioning on the same timing structure. If there is a fluctuation in the RPM sensor, this could mean that there is significant wear to the components that could result in equipment failure.

The pilot can also tell if the cam follower has adequate lubrication by monitoring the RPM sensor. They will have warning before the aircraft engine develops delayed timing, or if the fuel is not being burned properly.

When to Replace the RPM Sensor

If you notice any deviation in the RPM reading, you should first have all of the components connected to it checked. Some of them may need to be replaced. If you have replaced all of the parts that are associated with the RPM Sensor, and it is still providing a fluctuating reading, you should probably replace the RPM Sensor.

Replacing the sensor is a lot easier than you may think. All you have to do is remove the vent plug from the magneto plug. Insert the right aircraft flight instruments (which will vary depending on your specific aircraft). Feed the wiring bundle toward the firewall, but do not detach it. Make sure you have enough slack in the wiring bundle and plug the connector according to the package instructions.