This standard specifies the instrumentation and methods for testing the lateral vibration sensitivity of vibration and shock sensors. This standard applies to linear velocity and acceleration sensors. A. The applicable frequency range is 20 to 5000 Hz; b. The applicable dynamic range (depending on the frequency): for velocity sensors: 1 to 1000 mm/s; for acceleration sensors: 1 to 1000 m/s2; c. The applicable test error limit is ±10% of the reading value. GB/T 13823.8-1994 Calibration method for vibration and shock sensors Transverse vibration sensitivity test GB/T13823.8-1994 Standard download decompression password: www.bzxz.net
This standard specifies the instrumentation and methods for testing the lateral vibration sensitivity of vibration and shock sensors. This standard applies to linear velocity and acceleration sensors. A. The applicable frequency range is 20 to 5000 Hz; b. The applicable dynamic range (depending on the frequency): for velocity sensors: 1 to 1000 mm/s; for acceleration sensors: 1 to 1000 m/s2; c. The applicable test error limit is ±10% of the reading value.

National Standard of the People's Republic of China
Calibration method for vibration and shock sensors
Testing of transverse vibration sensitivity
Methnds for the calibration of vibration and shock pick-ups Testing of transverse vibration Nensitivity Subject content and scope of application
GB/T 13823.8--94
This standard specifies the equipment and methods for testing the transverse vibration sensitivity (hereinafter referred to as transverse sensitivity) of vibration and shock sensors.
This standard is applicable to direct velocity and acceleration sensors. The applicable frequency range is 20~ 00 GHz;
b. Applicable dynamic range (depending on the rate): for velocity sensors: 1-10/s;
For acceleration sensors: 1~~1 010 m/s\c, the applicable test error limit is ±10% of the reading value. 2 Reference standards
GB/T2298 Mechanical vibration and shock terminology
GB/T13823.1 Calibration method of vibration and shock sensor Basic concepts GB/T13823.3 Calibration method of vibration and shock sensor Calibration by sinusoidal excitation comparison method (secondary calibration) GB/T13866 Vibration and shock measurement Specification of inertial sensors 3 Technical requirements
3.1 Ambient temperature
Room temperature: 20±5
3.2 Instruments and equipment
3.2.1 The special lateral sensitivity test device can make the sensor under test produce lateral vibration with the vertical point in the direction of the sensitive axis. The sensor under test can be installed at different angles around its sensitive axis and can be rotated continuously around its sensitive axis for more than 360°. 3.2.2 For general sensors, the vibration value of this test device in the non-upper vibration direction should be less than 2 times the vibration value in the upper vibration direction at the test frequency and amplitude.
3.2.3 For special sensors (such as standard accelerometers or other sensors with strict requirements on lateral sensitivity), through careful adjustment of the test device and selection of the test frequency, the vibration value in the non-main vibration direction should be less than 1% of the vibration value of the clamping force. 3.2.4 It is allowed to design and install a special fixture on the ordinary vibration generator to replace the above-mentioned special lateral sensitivity test device, but the replacement device must meet the technical requirements of the above-mentioned special fixture. 3.7.5 The test instrument should comply with (B/T 183. Specifications M Customer Standard Industry Data Free Download 3.3.1 Reference Amplitude
GB/T13823.8-94
For F speed sensor, 110mm/s, first choice: 20nm/s For card acceleration sensor: 10m/s. First choice: 1am/” 3.3.2 It is allowed to take an amplitude from the following series
For ten speed sensors: 1.2.5.10, 20.50.100. 200.500.1000mm/For acceleration sensor: 1.2.5,10.20.50.100.200.500,1000m/s. 3.4 Frequency
3.4.1 Reference frequency: 31.80.160Hz. 3.4.2 Select from the following series: - frequency (except the resonance frequency and the frequency point near it): 20,30,40,80,160.315,630.1 250.2 500.5 000 2.3.4.3 If checking the lateral sensitivity at different frequencies, select 6 frequencies evenly within the frequency range of the sensor from the following series:
20.19.80.160,315,630,1250.2500.5000Hz.4 Test method
4.1 Steps
4.1.1 Excite the sensor along the micro-axis at the reference amplitude and frequency. Measure the output amplitude of the sensor or determine its sensitivity S4.1.2 At the same 1. Measure the output amplitude of the sensor at different angles and directions, and determine its lateral sensitivity. 4.1.3 Compare the measurements and determine the maximum and minimum values ​​of the sensor's lateral sensitivity. 4.1.4 Check the lateral sensitivity at different frequencies when necessary. 4.2 Expression of results
4.2.1 The direction, amplitude and test frequency of the maximum and minimum lateral sensitivity should be reported. 4. 2.2 If the transverse sensitivity is different at other frequencies, a statement should also be made. 4.2.3 If necessary, the amplitude of the transverse sensitivity of the sensor in the direction of the same angle of rotation around its sensitive axis should be given. 4.2.4 Transverse sensitivity is usually expressed by transverse sensitivity ratio and calculated by the following formula: TSR-×100%=signal×100%bZxz.net
Where: A. - The output amplitude of the sensor when excited in the direction perpendicular to the sensitive axis: mV; A - The output amplitude of the sensor when excited in the sensitive direction: mV. The lateral sensitivity of the sensor is pc/(m+s-\) or nV/ms-); the sensitivity of the S-sensor is pC/(m-2) or mV/(m·s-*. Additional notes:
GB/T13823.8—94
This standard is proposed by China Aviation Industry Corporation. The National Technical Committee for Mechanical Vibration and Shock Standardization is responsible for this standard. This standard is drafted by the 625th Institute of China Aviation Industry Corporation. The main drafters of this standard are Zhu Xiaoyun, Li Rongsheng and Yu Shoupeng.
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