Accelerometers for Aerospace/Defence Applications

Our advanced, off-the-shelf line of high-performance, rugged, lightweight, uniaxial and triaxial transducers is based on the best sensor technology available and includes piezoelectric, ISOTRON, DeltaTron, piezoresistive, and variable capacitance accelerometers. A number of GIT transducers are available with Transducer Electronic Data Sheets (TEDS). TEDS-equipped transducers host all pertinent specifications inside the transducer itself, in a special format defined by IEEE 1451.4.

Dedicated accelerometers available for,
  - Engine Testing
  - Structural Dynamics
  - Flight Testing
  - Environmental Testing

Engine Testing
	8324 Well suited for high temperature vibration measurement of gas turbine engines. It can be used in test-cell or on engines mounted on aircrafts and helicopters. It utilizes a compression type, high-temperature element to provide excellent temperature stability and a wide operational bandwidth.
	4505A Designed for vibration measurement on gas turbine in test-cell. The piezoelectric, ThetaShear accelerometer features low sensitivity to transverse effects. It has a lightweight titanium housing and small physical dimensions combined with a relatively high sensitivity. It has a hexagonal, isolated casing for ease of mounting.
	6222 Piezoelectric accelerometer designed for vibration measurement of gas-turbine engines used in aircraft and industrial applications. Features high sensitivity in a low-profile package with a ruggedized connector and standard ARINC 3-point mounting. Designed for continuous operation to +500F (260C) with long Mean Time Between Failure (MTBF).
	6233 Piezoelectric accelerometer designed for high-temperature vibration measurement on gas-turbine engines. Features high sensitivity, a ruggedized connector, and 3-point mounting. Designed for continuous operation to +900F with long MTBF.
	6237M70/M71 Piezoelectric accelerometer designed specifically for use in extremely high temperature environments such as those experienced on aircraft gas turbines. Designed for continuous operation at +650C/+1200F with long MTBF. Small and lightweight permitting installation in cramped locations with minimal structural support.
	2248 Small piezoelectric accelerometer for vibration measurement of gas turbine to high temperatures. The small size and light weight of this accelerometer permit installation in cramped locations with minimal structural support.
	6240M10 Designed for extremely high temperatures on jet engines. Continous operation at +650C/+1200F for normal environment of jet engine installation maintenance. Intermittent operation up to +760C/+1400F for experimental engine test. Its small size makes it suitable for installation in confined spaces, and its high-sensitivity makes it suitable for low-level vibration analysis.
	8540 Rugged, miniature, high-sensitivity piezoresistive absolute pressure transducer. Designed to measure static or dynamic pressure. Its small diameter makes it suitable for flush mounting for measuring skin pressures on aircraft, and inlet distortion pressures in turbine engines. Its high frequency response permits use on small-scale models in wind tunnels.

Structural Dynamics
	4506 Miniature, DeltaTron triaxial piezoelectric accelerometer housed in robust titanium with a single integrated Microtech compatible connector. Specifically designed for the aerospace industry in GTV systems and for flutter measurements. It is used to measure the response of the structure. Multiple accelerometers are used to adequately measure the response of test vehicles.
	4507 & 4508 Miniature DeltaTron single axis accelerometers consisting of a ThetaShear accelerometer and a DeltaTron preamplifier in a lightweight titanium housing with integrated 10 32 UNF connectors. Specifically designed for the aerospace industry in GTV systems and for flutter measurements. It is used to measure the response of the structure. Multiple accelerometers are used to adequately measure the response of test vehicles.
	2222 World's most popular miniature piezoelectric accelerometer for vibration measurement on mini-structures and small objects. Its light weight effectively minimises mass loading.
	22 World's smallest piezoelectric accelerometer, designed specifically for vibration measurement on small objects such as scaled models. Its light weight (0.14 gm) eliminates mass loading effects.

Flight Testing
	4511 Specially developed for a leading European civil and military helicopter manufacturer and originally designed for Health Usage Monitoring of helicopter gearboxes, Type 4511 is flight-test certified, and all processes and materials comply with MIL-STD-11268. The primary design objective has been reliability under extreme conditions yielding very high robustness versus mechanical, electrical and environmental influences.
	4326 Miniature triaxial, piezoelectric accelerometer that provides a low sensitivity to extraneous environmental effects achieved through the patented ThetaShear design. Light weight (13 g) to minimse mass loading. All three individual sensors are isolated from each other and from the mounting surface by a hard anodized isolator.
	4393 Miniature DeltaShear, Uni-Gain charge accelerometer fitted with a subminiature connector, for high-level, high-frequency vibration measurements and for measurements in confined spaces or on delicate structures.
	4394 Miniature DeltaTron, Uni-Gain accelerometer with a ceramic insulated base. Fitted with a subminiature connector for measurements on lightweight structures where relatively high-level, high-frequency vibrations are encountered.
	2220 Miniature piezoelectric accelerometer designed specifically for high-temperature vibration measurement on mini-structures and small objects. Hermetically sealed and ideal for use in extreme environments. Its light weight eliminates mass loading.
	2221 Piezoelectric accelerometer designed specifically for vibration measurement on small structures and objects. Epoxy sealed and ideal for use in a controlled environment. Its light weight (12 g) effectively minimises mass loading.
	2223 Triaxial piezoelectric accelerometer designed specifically for vibration measurement of three orthogonal axes on large structures and objects. All three individual sensors are isolated from each other and from the mounting surface by a hard anodized isolator.
	2228 Small, triaxial, piezoelectric accelerometer designed specifically for vibration measurement in three orthogonal axes on small structures and objects. Its light weight (15 g) effectively minimises mass load.
	8507 Rugged, miniature, high-sensitivity piezoresistive pressure transducer. Small size, plus high sensitivity and high-resonance frequency make it suitable for wind-tunnel and flight-test applications.
	8515C A low profile, 0.030 inch (0.76 mm) absolute pressure transducer, with easy surface mounting capabilities and high sensitivity. Ideal for measurements on aerodynamic surfaces during flight test. Other uses are helicopter or turbine blade pressure measurements. A rubber fairing is available for airflow smoothing for flight test applications.

Environmental Testing
	8309 For measurement of very high-level, continuous vibration and mechanical shock up to150 kms2 and 1000 kms2 peak, respectively. Of sturdy construction for withstanding very high-level, continuous vibration and shock.
	2255 Miniature, lightweight piezoelectric accelerometer with integral electronics, designed specifically for far-field high-g shock measurement on structures and test articles. Features an electronic second order low-pass filter between the sensor and the amplifier input stage to prevent saturation due to accelerometer resonance.
	4393 Miniature DeltaShear, Uni-Gain charge accelerometer fitted with a subminiature connector, for high-level, high-frequency vibration measurements and for measurements in confined spaces or on delicate structures.
	4374 Designed to measure the vibration of very lightweight structures where high-level, high-frequency vibration signals are commonly encountered, and where the use of heavier transducers would alter the mode of vibration, invalidating measurements. Typical application areas are measurements on thin vibrating panels, model testing, work in confined spaces and measurement of moderately high-level shock.
	4394 Miniature DeltaTron, Uni-Gain accelerometer with a ceramic insulated base. Fitted with a subminiature connector for measurements on lightweight structures where relatively high-level, high-frequency vibrations are encountered.
	4500 & 4501 Cubic, ThetaShear, piezoelectric accelerometers providing a low sensitivity to extraneous environmental effects. Lightweight, aluminium housing. Designed with particular emphasis on low mass and small physical dimensions, combined with relatively high sensitivity and the greatest possible flexibility in mounting.