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Achieve Precision and Stability with AC-1 Quartz Accelerometer: The Perfect Solution for Aerospace Inertial Navigation

Achieve Precision and Stability with AC-1 Quartz Accelerometer: The Perfect Solution for Aerospace Inertial Navigation

AC-1 quartz flexible accelerometer series is a high-precision military inertial navigation class accelerometer with excellent long-term stability, repeatability, start-up performance, environmental adaptability and high reliability. It can be used for both static and dynamic testing, and it is also a standard vibration sensor and inclination sensor.

The output current of the product has a linear relationship with the force or acceleration received. Users can select the appropriate sampling resistance through calculation to achieve high precision output. And according to user needs built-in temperature sensor, used to offset value and scale factor compensation, reduce the impact of environmental temperature.

  • Part No, :

    AC-1
  • Order(MOQ) :

    1
  • Description

Product Series and Parameters

 

Parameters AC-1A AC-1B AC-1C Unit
Range ±50 (10Ω) g
Threshold /Resolution 1 2 3 μg
Bias K0/K1 ≤ ±1 ≤ ±3 ≤ ±5 mg
Scale factor K1 1.05 ~ 1.30 mA/g
Class II nonlinearity coefficient K2/K1 ≤ ±10 ≤ ±15 ≤ ±20 μg/g2
0g 4 hours short time stability ≤10 ≤10 ≤15 μg
1g 4 hours short time stability ≤10 ≤10 ≤15 ppm
Bias drift Sigma K0 (1σ, one month) ≤10 ≤20 ≤30 μg
Repeatability of scale factor Sigma
σK1/K1 (1σ, one month)
≤15 ≤30 ≤50 ppm
Class II nonlinearity
Coefficient repeatability σK2/K1(1σ, one month)
≤ ±10 ≤ ±20 ≤ ±30 μg/g2
Bias thermal coefficient ≤ ±10 ≤ ±30 ≤ ±50 μg/℃
Scale factor thermal coefficient ≤ ±10 ≤ ±30 ≤ ±50 ppm/℃
Noise (sample resistance 840Ω) ≤5 ≤8.4 ≤8.4 mv
Natural Frequency ≤75 Hz
Bandwidth Ф25.4X26 Hz
Vibration ≤76 Hz
Shock Ф25.4X27 8ms, 1/2s in
Temperature range (Operating) ≤77
Temperature range (saved) Ф25.4X28
Power ≤78 V
Consume current Ф25.4X29 mA
Temp. sensor ≤79 Optional
Size Ф25.4X30 mm
Weight ≤80 g

Production process


Product dimension

Quartz Flexure Accelerometer Dimensions

Quartz Flexure Accelerometer Dimensions

 

Mark: Default temperature sensor: PT1000 (AD590 Optional); Point 10 is the high power. The point 9 is the low power. The point 9 and power ground use one platinum resistance; the value is 1K, the thermal coefficient is less than 5ppm.

Quartz Flexure Accelerometer Dimensions

Install hole is U type

Quartz Flexure Accelerometer Dimensions

Install hole is U type, 8 Pin

Quartz Flexure Accelerometer Dimensions

The outline is square


Application Scenarios

Quartz flexural accelerometer application
The AC-1 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 AC-1 Quartz Accelerometer used for?
A:The AC-1 is a high-precision quartz flexible accelerometer designed for inertial navigation systems and high-accuracy vibration/inclination measurements. It is suitable for aerospace, aviation, shipborne, and weapon systems.

Q2: What are the available measurement ranges?
A: The standard measurement range is ±50g with a 10Ω sampling resistor. Other ranges may be available upon request.
 
Q3: What is the bias and its stability over time?

 

A: Initial bias: ≤ ±1 mg (AC-1A), ≤ ±3 mg (AC-1B), ≤ ±5 mg (AC-1C)
Short-term (4h) stability: ≤10–15 μg
Bias drift (1 month): ≤10–30 μg
Bias instability (Allan variance): ≤10 μg
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