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High-Precision Quartz Accelerometer ± 70g for Static & Dynamic Test AC-2 Inertial Navigation Sensor

High-Precision Quartz Accelerometer ± 70g for Static & Dynamic Test AC-2 Inertial Navigation Sensor

AC-2 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-2
  • Order(MOQ) :

    1
  • Description

Product Series and Parameters

Parameters AC-2A AC-2B AC-2C Unit
Range (40ohms) ±70 g
Threshold /Resolution 2 3 4 μg
Bias K0/K1 ≤ ±3 ≤ ±3 ≤ ±5 mg
Scale factor K1 0.8 ~ 1.20     mA/g
Class II nonlinearity coefficient k2/k1 ≤ ±10 ≤ ±15 ≤ ±20 μg/g2
0g 4 hours short time stability ≤10 ≤15 ≤20 μg
1g 4 hours short time stability ≤10 ≤15 ≤20 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 ≤ ±20 ≤ ±30 ≤ ±50 ppm/℃
Noise (sample resistance 840Ω) ≤5 mv
Natural Frequency 400 ~ 800 Hz
Bandwidth 800 ~ 2500 Hz
Vibration 6g 20~2000Hz
Shock 100g 8ms, 1/2s in
Temperature range (Operating) -55 ~ +85
Temperature range (saved) -60 ~ +120
Power ±12 ~ ±15 V
Consume current ≤ ±20 mA
Temp. sensor Optional  
Size Ф25.4X30 mm
Weight ≤80 g

Production process


Product dimension

quartz accelerometer design


Application Scenarios

Quartz flexural accelerometer application
The AC-2 quartz accelerometer is mainly used in high-precision inertial navigation and control systems in aerospace, aircraft, ships and weaponry. It can also be used for vibration testing, vibration isolation and tilt measurement of precision instruments and equipment.
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quartz accelerometer for Aerospace
Aerospace
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Aviation
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Weapon

FAQ

Q1: What is the measurement range of the AC-2 accelerometer?
A:The AC-2 provides a measurement range of ±70g (with 40Ω sampling resistance), suitable for high dynamic environments.

Q2: Is the AC-2 suitable for aerospace and applications?
A: Yes. The AC-2 is a high-precision, inertial-grade accelerometer widely used in aerospace, marine, and weapon system navigation.
 
Q3: Does the AC-2 include temperature compensation?
A: Yes. It offers an optional built-in temperature sensor (e.g., AD590 or PT1000) for thermal drift compensation.
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