Miniaturized Quartz Flexible Accelerometer

Miniaturized Quartz Flexible Accelerometer is a high-performance miniaturized, high-precision, and wide-range accelerometer specifically developed for military inertial navigation systems. With its optimized structural design and advanced manufacturing processes, it integrates excellent long-term stability, superior repeatability, rapid and reliable start-up performance, strong environmental adaptability, and high operational reliability-core characteristics that make it well-suited for both static and dynamic testing scenarios in harsh military environments. Beyond its primary function as an inertial navigation accelerometer, it also serves as a standard vibration sensor and inclination sensor, realizing multi-functional integration and providing versatile measurement solutions for various military equipment.

Adopting a unique miniaturized structural design and advanced high-reliability packaging technology, the product effectively reduces its overall volume and weight while ensuring structural robustness, making it easy to install and integrate into compact military equipment such as guided weapons, unmanned aerial vehicles, and armoured vehicles. In terms of performance, the output current of the accelerometer maintains an excellent linear relationship with the applied force or acceleration, with minimal non-linear error, ensuring high-precision measurement results even in extreme working conditions.

To further enhance measurement accuracy, users can calculate and select an appropriate sampling resistor according to specific application requirements, thereby optimizing the output precision and adapting to different measurement ranges and accuracy standards. Additionally, in response to the impact of ambient temperature changes on measurement performance, the product can be equipped with a built-in high-sensitivity temperature sensor according to user needs. This sensor real-time collects temperature data to dynamically compensate for the bias and scale factor of the accelerometer, effectively reducing the influence of temperature fluctuations on measurement accuracy and ensuring stable and reliable performance in a wide temperature range (-40℃ to 85℃ typically).

With its outstanding comprehensive performance, the product meets the strict technical requirements of military inertial navigation systems, providing stable, accurate, and reliable acceleration, vibration, and inclination measurement support for military equipment, and further improving the operational accuracy and reliability of the entire equipment system.

1. Excellent Turn-on Repeatability Performance: The product features exceptional turn-on repeatability, which is achieved through precise quartz resonant structure design and strict production process control. Each time the accelerometer is powered on, it can quickly stabilize at the standard working state, with minimal deviation in initial output parameters. This excellent repeatability ensures consistent measurement accuracy in long-term cyclic operation and frequent start-stop scenarios, effectively avoiding measurement errors caused by unstable turn-on performance, and laying a solid foundation for high-reliability data acquisition.

2. Miniaturized Structure Design with Ultra-light Weight: Adopting an innovative micro-structure design, the accelerometer achieves extreme miniaturization while ensuring structural stability and measurement performance. Its outline size is optimized to the greatest extent, and the overall weight is only 30 grams, which is significantly lighter than traditional accelerometers of the same precision level. This compact and lightweight design makes it easy to integrate into space-constrained and weight-sensitive equipment, such as miniaturized inertial navigation systems, portable measurement devices, and small unmanned aerial vehicles, without compromising the overall performance of the host equipment.

3. Superior Temperature Characteristics with Full-Temperature Mean Stability: The quartz accelerometer exhibits excellent temperature characteristics, especially in terms of full-temperature mean stability. It is equipped with a high-precision built-in temperature compensation system, which can real-time monitor and compensate for the impact of ambient temperature changes on the sensor's bias and scale factor. Even in a wide operating temperature range (typically -40℃ to 85℃), the product can maintain stable mean output performance, with minimal temperature drift. This advantage ensures reliable and accurate measurement results in harsh environments with large temperature fluctuations, such as aerospace, outdoor industrial testing, and military fields.

4. Low Noise and High Resolution: With advanced signal processing technology and optimized quartz sensing structure, the accelerometer achieves ultra-low noise output and high measurement resolution. The low-noise design effectively suppresses the interference of internal and external noise sources on the measurement signal, ensuring the clarity and stability of the output data. Meanwhile, its high resolution enables the sensor to capture tiny changes in acceleration, even in the micro-acceleration measurement scenario, and can accurately convert subtle force or acceleration changes into measurable electrical signals. This feature makes the product particularly suitable for high-precision measurement scenarios that require capturing small signal changes, such as precision inertial navigation, vibration monitoring, and tilt measurement.

1. Military Field - Inertial Navigation Systems

It is mainly used for inertial measurement of military inertial navigation systems. As a core component of military navigation equipment, the quartz accelerometer provides high-precision acceleration data for inertial navigation systems, supporting the accurate positioning, navigation, and attitude control of military equipment such as tanks, armored vehicles, guided missiles, and military aircraft, ensuring the operational accuracy and reliability of military equipment in complex and harsh battlefields.

2. Aerospace Field

It is applied in the vibration isolation testing and inclination testing of precision instruments and equipment in the aerospace field. For aerospace equipment such as satellites, space stations, and launch vehicles, the quartz accelerometer can accurately detect the vibration amplitude and frequency during equipment operation, as well as the inclination state of precision components, helping to optimize the vibration isolation design of equipment and ensure the stable operation of precision instruments in the extreme environment of space and during launch.

3. Aviation Field

It is used for the vibration isolation testing and inclination testing of aviation precision instruments and equipment. In civil and military aircraft, the quartz accelerometer monitors the vibration of key components (such as engines, avionics systems) in real time, and detects the inclination state of aircraft components, providing data support for the maintenance, performance optimization, and safety monitoring of aviation equipment, ensuring the safe and stable flight of aircraft.

4. Shipbuilding Field

It is applied in the vibration isolation testing and inclination testing of precision instruments and equipment on ships. For various types of ships (such as warships, cargo ships, and cruise ships), the quartz accelerometer can accurately measure the vibration generated by the ship's navigation and engine operation, as well as the inclination state of shipborne precision equipment, helping to improve the stability of shipborne instruments and equipment and ensure their normal operation under complex marine conditions.

1. Signal output 2. Empty 3. Power supply -15V 4. Power supply +15V 5. Power supply and signal ground 6. Empty 7. Empty 8. Empty 9. -9V or pt1000 10. +9V or pt1000

Triangular flange overall dimensions

Inverted triangular flange overall dimensions

1. Superior Performance & Reliability

Our quartz accelerometer is engineered to deliver exceptional performance metrics that set it apart from competitors. It features excellent turn-on repeatability, ensuring consistent initial output parameters and stable measurement accuracy even in frequent start-stop and long-term cyclic operation scenarios. With a miniaturized structure design (only 30 grams) and advanced packaging technology, it achieves ultra-light weight and compact size without compromising structural robustness or measurement precision. Additionally, its superior temperature characteristics-equipped with a high-precision built-in temperature compensation system-minimize temperature drift and maintain stable full-temp mean performance in a wide operating range (-40℃ to 85℃), ensuring reliability in harsh environments.

2. High Precision & Sensitivity

Designed with a precise quartz resonant structure and optimized signal processing technology, our accelerometer boasts low noise and high resolution. It effectively suppresses internal and external noise interference, ensuring clear, stable output signals, while its high resolution enables accurate capture of tiny acceleration changes-even in micro-acceleration measurement scenarios. The linear relationship between output current and applied force/acceleration, combined with the flexibility for users to select appropriate sampling resistors, further enhances measurement precision, meeting the high-accuracy requirements of inertial navigation, vibration testing, and inclination testing.

3. Versatile Application Adaptability

Our quartz accelerometer is highly versatile, perfectly适配 inertial measurement of military inertial navigation systems, as well as vibration isolation testing and inclination testing of precision instruments and equipment across aerospace, aviation, shipbuilding, ordnance, and other high-end fields. Its compact, lightweight design makes it easy to integrate into space-constrained and weight-sensitive equipment (such as miniaturized inertial navigation systems, portable measurement devices, and small UAVs), while its robust environmental adaptability ensures stable performance in extreme conditions-from high-altitude low-temperature environments to marine high-humidity, high-vibration scenarios.

4. Customizable & User-Centric Design

We prioritize user needs, offering customizable solutions to meet specific application requirements. Upon request, we can integrate a built-in temperature sensor to compensate for bias and scale factor, further reducing the impact of ambient temperature on measurement accuracy. Our design also focuses on ease of installation and integration, helping users save time and costs in system deployment. Additionally, strict quality control throughout the manufacturing process-from raw material selection to final product testing-ensures each accelerometer meets consistent high standards of reliability and durability.

5. Proven Industry Experience & Support

With years of experience in developing and manufacturing high-precision quartz accelerometers, we have established a solid reputation in the industry. Our professional technical team provides comprehensive support-from pre-sales consultation to after-sales maintenance-ensuring that users receive timely assistance and solutions for any application or technical issues. Choosing our quartz accelerometer means partnering with a reliable provider committed to your project's success.

1. Core Sensing Mechanism: The core component of the accelerometer is a high-quality quartz flexible pendulum, which consists of a quartz flexible beam and a pendulum mass. When external acceleration is applied to the accelerometer, the pendulum mass generates an inertial force under the action of inertia, which acts on the quartz flexible beam and causes elastic deformation of the beam. The magnitude of this deformation is directly proportional to the applied acceleration, laying the foundation for subsequent signal conversion.

2. Signal Conversion Process: The quartz flexible pendulum is paired with a fixed electrode to form a capacitance sensing structure. When the quartz flexible beam deforms under the action of inertial force, the distance between the pendulum and the fixed electrode changes, resulting in a tiny change in the capacitance value of the sensing structure. The internal high-precision detection circuit captures this tiny capacitance change and converts it into a current signal, realizing the conversion from mechanical acceleration (mechanical quantity) to electrical signal (electrical quantity).

3. Closed-Loop Feedback Regulation: To ensure high measurement accuracy and stability, the accelerometer adopts a closed-loop control system. After the detection circuit converts the capacitance change into a current signal, the feedback circuit processes the signal and generates a feedback force (electromagnetic force or electrostatic force). This feedback force is equal in magnitude and opposite in direction to the inertial force of the pendulum, pulling the pendulum back to the initial equilibrium position, thereby reducing measurement errors caused by excessive deformation of the quartz beam.

4. Temperature Compensation (Optional): If the accelerometer is equipped with a built-in temperature sensor (optional), the sensor will collect real-time ambient temperature data during operation. The supporting temperature compensation algorithm will dynamically adjust the bias and scale factor of the accelerometer according to the collected temperature data, effectively offsetting the impact of temperature fluctuations on the quartz material and circuit performance, and ensuring that the measurement accuracy remains stable even in extreme temperature environments.

In summary, the wide range quartz accelerometer relies on the high sensitivity of the quartz flexible structure, the precision of signal conversion and the stability of closed-loop feedback, realizing high-precision measurement of acceleration in both static and dynamic scenarios, which is suitable for military inertial navigation, high-impact testing and other high-demand fields.

Q1: What is the operating temperature range of the quartz accelerometer, and how does it ensure stable performance in extreme temperatures?

A1: The standard operating temperature range of our quartz accelerometer is -40℃ to 85℃, which can be customized according to specific application needs. To ensure stable performance in extreme temperature environments, the product is equipped with a built-in high-sensitivity temperature sensor (optional) and a professional temperature compensation circuit. The sensor collects ambient temperature data in real time, and the compensation circuit dynamically adjusts the bias and scale factor of the accelerometer, effectively offsetting the impact of temperature drift on measurement accuracy. In addition, the quartz crystal material itself has excellent temperature stability, which further enhances the product's adaptability to extreme temperature conditions.

Q2: What is the difference between this quartz accelerometer and traditional accelerometers in terms of miniaturization and weight?

A2: Compared with traditional accelerometers of the same precision level, our quartz accelerometer adopts a unique micro-structure design and advanced high-reliability packaging technology, which greatly reduces the overall volume and weight. The standard weight of the product is only 30 grams, and the outline size is optimized to the greatest extent, making it more suitable for space-constrained and weight-sensitive equipment (such as miniaturized inertial navigation systems, small UAVs, and portable measurement devices). While achieving miniaturization and light weight, we also ensure the structural robustness and measurement precision of the product, which is a key advantage that traditional accelerometers cannot match.

Q3: What is the difference between this quartz accelerometer and traditional accelerometers in terms of miniaturization and weight?

A3: Compared with traditional accelerometers of the same precision level, our quartz accelerometer adopts a unique micro-structure design and advanced high-reliability packaging technology, which greatly reduces the overall volume and weight. The standard weight of the product is only 30 grams, and the outline size is optimized to the greatest extent, making it more suitable for space-constrained and weight-sensitive equipment (such as miniaturized inertial navigation systems, small UAVs, and portable measurement devices). While achieving miniaturization and light weight, we also ensure the structural robustness and measurement precision of the product, which is a key advantage that traditional accelerometers cannot match.

Q4: What maintenance work is required during the use of the quartz accelerometer?

A4: The quartz accelerometer has high reliability and stability, and requires minimal daily maintenance. During use, please pay attention to the following points: 1. Avoid severe collision or impact, so as not to damage the internal quartz structure and mass block; 2. Keep the product away from strong electromagnetic interference sources (such as high-voltage equipment, large motors) to prevent interference with the output signal; 3. For products equipped with a built-in temperature sensor, regularly check the sensor's working status to ensure the effectiveness of temperature compensation; 4. When not in use for a long time, store the product in a dry, clean environment with a temperature of 0℃ to 40℃ and a relative humidity of ≤60% to avoid moisture or dust affecting the product performance. If any abnormal output is found, please contact our technical support team in time for inspection and maintenance.

Hot Tags: Miniaturized Quartz Flexible Accelerometer, China Miniaturized Quartz Flexible Accelerometer manufacturers, suppliers, factory, q flex accelerometer, SG 2 Wide range Quartz Accelerometer, SG 6 Miniaturized Quartz Accelerometer, High temperature accelerometer, SG 3 Miniaturized Quartz Flexible Accelerometer, Miniaturized quartz accelerometer