Miniaturized High Precision Large Number Inertial Pilot Accelerometers For Use with threshold value 5μg
Miniaturized, high precision, a large number of inertial pilot accelerometers for use
KSJB3 series quartz flexible accelerometer is a small, high precision, a large number of inertial navigation level accelerometer, the product has excellent long-term stability, repeatability, starting performance, environmental adaptability and high reliability and other characteristics, can be used for static testing can be used for dynamic testing, is also a standard vibration sensor and inclination sensor.
The product adopts a unique miniaturized design and packaging process, the output current and the force or acceleration are linear, the user can choose the appropriate sampling resistance by calculation, to achieve high precision output. The built-in temperature sensor can be used to compensate the offset value and scale factor to reduce the impact of ambient temperature according to user needs.
Applications: Inertial measurement of inertial navigation system and vibration isolation test and inclination test of precision instruments and equipment in aerospace, aviation, ships, weapons and other fields.
1．Square flange dimensions
Pin definition:
1, Signal output
2, air
3, power -15V
4, power +15V
5, power and signal ground
6, 7, 8, empty
9, -9V or pt1000
10, +9V or pt1000
2．Triangular flange dimensions
3．Dimensions of inverted triangle flange
4.technical parameters
| Number | Parameters | KSJB3-01 | KSJB3-02 | KSJB3-03 |
| 1 | Scope | ±60g | ±60g | ±60g |
| 2 | Threshold value | 5μg | 5μg | 5μg |
| 3 | deviation value K0/K1 | ≤±5 mg | ≤±7 mg | ≤±5 mg |
| 4 | scale factor K1 | 1.0±0.2 mA/g | 1.0±0.2 mA/g | 0.6±0.2 mA/g |
| 5 | Second order nonlinear coefficient K2 | ≤±20μg /g2 | ≤±30μg /g2 | ≤±20μg /g2 |
| 6 | 0g 4 hours short-term stability | ≤10 μg | ≤20 μg | ≤20 μg |
| 7 | 1g 4 hours short-term stability | ≤10 ppm | ≤20 ppm | ≤20 ppm |
| 8 | deviation value synthesis repeatability σK0 (1σ,one month) | ≤15 μg | ≤50 μg | ≤50 μg |
| 9 | Scale factor integrated repeatability σK1/K1 (1σ,one month) | ≤15ppm | ≤50 ppm | ≤50ppm |
| 10 | Comprehensive repeatability of nonlinear coefficients K2/K1(1σ,one month) | ≤±20 μg /g2 | ≤±30 μg /g2 | ≤±30 μg /g2 |
| 11 | deviation value Temperature coefficient(The mean value of the whole temperature zone) | ≤±15 μg /℃ | ≤±50 μg /℃ | ≤±50 μg /℃ |
| 12 | Scale factor Temperature coefficient(The mean value of the whole temperature zone) | ≤±15 ppm /℃ | ≤±80 ppm /℃ | ≤±50 ppm /℃ |
| 13 | Noise(The sampling resistance is 840Ω) | ≤5mv | ≤8.4mv | ≤8.4mv |
| 14 | Natural frequency | 350~800 Hz | 350~800 Hz | 350~800 Hz |
| 15 | bandwidth | 800~2500 Hz | 800~2500 Hz | 800~2500 Hz |
| 16 | Random vibration | 10g(20-2000Hz) | 10g(20-2000Hz) | 10g(20-2000Hz) |
| 17 | strike | 150g,4.5ms,1/2sin | 150g,4.5ms,1/2sin | 150g,4.5ms,1/2sin |
| 18 | Operating temperature range | -55～+85℃ | -55～+85℃ | -55～+85℃ |
| 19 | Storage temperature range | -60~+120℃ | -60~+120℃ | 60~+120℃ |
| 20 | Power supply | ±12~±15V | ±12~±15V | ±12~±15V |
| 21 | Current consumption | ≤±20mA | ≤±20mA | ≤±20mA |
| 22 | Temperature sensor | User customizable | User customizable | User customizable |
| 23 | dimension | Ф18.2X23mm | Ф18.2X23mm | Ф18.2X23mm |
| 24 | weight | ≤30g | ≤30g | ≤30g |
5.Note
1. Scale factor is adjusted according to user requirements;
2.Temperature sensor: divided into AD590, pt1000, 18B20,
3. Test cycle: divided into 1 month, 3 months, 6 months, 12 months, according to user requirements for testing;
4. According to user installation requirements; The dimensions can be slightly adjusted according to user requirements, and other test requirements can be carried out according to customer requirements.
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