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Accelerometer

Your Leading Accelerometer Supplier

 

Qingdao ZITN Technology is a premier manufacturer of high-end sensors, hybrid integrated circuits(HIC), HTHP MWD/LWD solution,DTS/DAS solutions. We ZITN Technology are recognized as a national-level specialized, sophisticated, and distinctive company, and a Shandong Provincial Manufacturing Champion, underscoring our leadership and innovation in the field.

 

Over 23 years of dedicated innovation, we have developed two flagship product series known for "High-Precision & High-Reliability" and "High-Temperature & High-Reliability," serving extreme environments in aerospace, and deep-earth/sea exploration. Ousolutions are trusted by over 800 clients across more than 30 countries worldwide.

 
 
Why Choose Us?

One-stop solution

We provide a full industrial chain from chip design to system integration. All key steps are completed in-house. This ensures high efficiency, strong quality control, and fast delivery.

Professional team

We have more than 350 employees, with over 40% technical specialists. Many team members are national and regional high-level experts. We invest over 20% of our resources in R&D every year.

Advanced R&D and manufacturing base

Our self-owned industrial park covers more than 20,000 square meters. It supports both research and mass production. We can develop and produce high-precision and high-reliability sensors and ICs.

Advanced equipment

We operate multiple specialized workshops for microelectronics and sensors. Over 2,000 sets of advanced equipment support our work. This ensures stable production and strong industrialization ability.

 

Types of Accelerometers：

Piezoelectric accelerometers

A piezoelectric accelerometer is a type of accelerometer that works by sending an electrical signal from the sensor when it experiences a sudden acceleration. The construction of a piezoelectric accelerometer involves a sensing crystal to which a seismic weight is attached. When the sensor experiences an acceleration, the weight exerts a force on the crystal. The piezoelectric crystal converts the force acting upon it to electrical signals, which can be measured to find the acceleration. Piezoelectric accelerometers are highly effective at measuring shocks and vibrations.

 

Piezoresistance accelerometers

A piezoresistance - or piezoresistive - accelerometer is a type of accelerometer that works by varying their resistance based on the acceleration they experience. The change in acceleration can be measured to understand the rate of acceleration experienced by the sensor. Piezoresistive accelerometers are less sensitive than piezoelectric accelerometers, as they are not best at measuring low-frequency impacts. However, they work best at high amplitudes and find their application in vehicle crash testing and weapons testing.

 

Capacitive accelerometers

Capacitive sensors work by changing their capacitance based on the acceleration they experience. Their construction involves two capacitive plates and a diaphragm. As the sensor experiences acceleration, the diaphragm moves and changes the distance between the capacitive plates. This results in the capacitance of the sensor to change, and this change in capacitance can be measured and translated to the rate of acceleration on the sensor. Capacitive MEMS (microelectromechanical system) accelerometers are used in most smartphones today.

 

Triaxial accelerometers

A triaxial accelerometer is a type of accelerometer that can measure acceleration in three orthogonal directions (or the three perpendicular planes – X, Y, and Z). This feature enables triaxial accelerometers to measure all the vibration components affecting the object. A triaxial accelerometer houses three sensing elements, oriented perpendicular to each other. They find their use in measuring building vibrations, turbines, and high-speed machinery.

 

 

The Role of Accelerometers：

 
 
01
 

Orientation sensing:

In smartphones and tablets, accelerometers detect the device’s orientation, allowing the screen to rotate automatically based on how you hold the device.

 
02
 

Stability control:

In automotive safety systems, accelerometers detect sudden changes in vehicle motion, triggering airbag deployment during a collision. They are also part of electronic stability control systems, helping to prevent rollover accidents.

 
03
 

Navigation:

Accelerometers are integral to inertial navigation systems without GPS signals. These systems use the cumulative data from accelerometers to track a vehicle’s or person’s position over time, known as dead reckoning.

Quartz Flexure Accelerometer

 

Applications of Accelerometers：

Consumer electronics: There are accelerometers in smartphones, which are applied to screen rotation, gaming dynamics, and motion-based operations. Pedometers and activity monitors track user activity levels and calories expended; some are given features like tracking the user’s sleep.

 

Automotive industry: These sensors improve the stability control systems of the vehicle; engaging safety interventions when there is; a rollover or collision.

Aerospace:

In aviation, accelerometers are helpful in navigation systems; and in giving out data on stability and orientation of flight.

Industrial and robotics:

These devices are central in robotics for actions such as navigation and path planning. They can track the motion with high accuracy during manufacturing activities to some extent.

Medical devices:

Wearable health monitoring devices work with an accelerometer to monitor physical activity and Health check-ups.

 

Certificate

 

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FAQ

Q: MEMS accelerometer is current output or voltage output?

A: Some are voltage output, some are current output, depending on your parameter settings or the location of the jumper terminals.

Q: How to understand the scale factor in an accelerometer?

A: An accelerometer is a sensor that measures acceleration. To put it simply, the input of the sensor is acceleration and the output is the number of electrical pulses. The ratio between the number of electrical pulses output and the acceleration input is the scale factor. Therefore, the output The acceleration is obtained by multiplying the number of electrical pulses by the scaling factor.

Q: What is the main difference between accelerometers and gyroscopes?

A: Accelerometers measure linear acceleration, while gyroscopes measure angular velocity or orientation. Often, they are used together in applications like smartphones and drones to provide comprehensive motion data.

Q: Can accelerometers work underwater?

A: Yes, many accelerometers are designed to operate in harsh environments, including underwater applications. However, specific types and models may have limitations based on their construction and environmental ratings.

Q: How do I calibrate an accelerometer?

A: Calibration can often be performed by placing the accelerometer on a stable surface to record zero acceleration, followed by rotating it to ensure all axes are properly aligned and responsive.

Q: What are the signs of a malfunctioning accelerometer?

A: Common signs include erratic readings, failure to detect motion, or consistent inaccuracies, such as indicating a tilt when the device is flat.

Q: Are there safety concerns when using accelerometers in vehicles?

A: While accelerometers themselves are safe, incorrect installation or malfunction can lead to issues such as false triggers in vehicle stability systems. Regular maintenance and checks are advisable.

Q: Can accelerometers measure vibration?

A: Accelerometers measure vibration by monitoring acceleration and converting it into voltage. They are usually mounted on equipment to measure vibration on machines operating at greater than 60 Hz. On machines at 60 Hz or less an accelerometer integrated to velocity is usually used to identify any irregularities.

As one of the most professional accelerometer manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy high-grade accelerometer for sale here from our factory. We also accept customized orders.

Digital Output Quartz Flexure Accelerometer, MEMS Accelerometer, Quartz Flexure Accelerometer