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AC-7 Quartz Inertial Accelerometer ± 60g High Precision Navigation Sensor

AC-7 Quartz Inertial Accelerometer ± 60g High Precision Navigation Sensor

AC-7 quartz flexible accelerometer series is a small, high temperature resistant seismic type accelerometer. The product has excellent repeatability, starting performance, high temperature seismic resistance and high reliability characteristics, which can be used for both static testing and dynamic testing, and is also a standard vibration sensor. The product adopts unique miniaturization, high temperature resistant seismic design, advanced packaging process and special circuit, the output current of the product is proportional to the input acceleration, the user can select the appropriate sampling resistance through calculation, to achieve high precision output. And according to the user requirements of the built-in temperature sensor, can be used to compensate for the partial value and scale factor, to reduce the impact of environmental temperature.

  • Part No, :

    AC-7
  • Order(MOQ) :

    1
  • Description

Product Series and Parameters

 

Parameters AC-7A AC-7B AC-7C Unit
Range ± 60 ± 60 ± 60 g
Threshold value 10 10 10 μg
Deviation K0/K1 ≤ ±10 ≤ ±10 ≤ ±10 mg
Scale factor K1 1.2 ±0.2 1.2 ±0.25 1.2 ±0.25 mA/g
Class II nonlinearity coefficient K2 ≤ ±20 ≤ ±20 ≤ ±20 μg /g2
0g 4 hours short time stability ≤20 μg
1g 4 hours short time stability ≤20 ppm
Deviation value comprehensive repeatability σK0 (1σ, one month) ≤ 40 ≤ 40 ≤ 40 μg
Repeatability of scale factor
σK1/K1 (1σ, one month)
≤ 50 ≤ 50 ≤ 50 ppm
Nonlinearity coefficient comprehensive repeatability K2/K1
(1σ, one month)
≤ ±20 ≤ ±20 ≤ ±20 μg /g2
Deviation value temperature coefficient ≤ ±30 ≤ ±30 ≤ ±30 μg /℃
Scale factor temperature coefficient ≤ ±50 ≤ ±50 ≤ ±50 ppm /℃
Noise (sample resistance 840Ω) ≤ 4 ≤ 5 ≤ 5 mv
Natural frequency 350 ~ 800 Hz
Bandwidth 800 ~ 2500 ≥ 350 ≥ 350 Hz
Vibration 5g 20~2000Hz
Shock 150g (0.5ms) 150g (5ms) 150g (5ms) 1/2sin
Temperature range (Operating) -40 ~ +85
Temperature range (saved) -60 ~ +120
Power supply ±12 ~ ±15 ±15 (±0.5) ±12 ~ ±18 V
Consume current (under static condition) ≤ ±20 ≤ ±100 ≤ ±16 mA
Size Ф18.2X23 Ф18.2X23 Ф18.2X20.6 mm
Weight ≤30 g

 

 


Production process


Product dimension

 

AC-7A and AC-7B

 Outline 1 for square

Outline 2 for triangle

 

Outline 3 for inverted triangle

 

Outline for square

 


Application Scenarios

Quartz flexural accelerometer application
The AC-7 quartz accelerometer is suitable for inertial measurement in military high-precision inertial navigation systems, as well as vibration isolation/vibration testing of precision equipment in aerospace, aviation, shipbuilding and weaponry. It can also be used as a standard vibration and tilt sensor.
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FAQ

Q1: What is the output type of the AC-7 Quartz Accelerometer?
A:The AC-7 provides an analog current output with a scale factor of approximately 1.2 mA/g. Users can select appropriate sampling resistors to obtain precise voltage readings.

Q2: What is the measurement range of this accelerometer?
A: The measurement range is ±60g for all AC-7 models (AC-7A, AC-7B, and AC-7C).
 
Q3: What are the main application fields of this product?
A:It is designed for aerospace, aviation, weapon systems, and high-precision vibration/isolation testing instruments. Suitable for both static and dynamic acceleration measurements.
Bias instability (Allan variance): ≤10 μg
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