ER-3QA-02D High Precision Three Axis Quartz Accelerometer
Introduction
ER-3QA-02D High Precision Three Axis Quartz Accelerometer with high precision,is composed of three A15 acceleration sensors, 24bit high precision A/D converter, 16 bit ultra low power consumption single chip microcomputer and mechanical structure. ER-3QA-02D features the digital output, high precision installation error, temperature compensation and low power consumption.
Specifications
Parameters | Unit | ER-3QA-02D1 | ER-3QA-02D2 | ER-3QA-02D3 | ER-3QA-02D4 |
Range | g | ±2 | ±4 | ±8 | ±16 |
3h stability (0g) | g | 1×10-4 | 1×10-4 | 2×10-4 | 2×10-4 |
Scale factor | v/g | 1±0.1 | 0.5±0.05 | 0.25±0.025 | 0.125±0.0125 |
Power supply | v | ±15 | ±15 | ±15 | ±15 |
Output frequency | Hz | 200 | 200 | 200 | 200 |
Electrical interface | / | Rs422 | Rs422 | Rs422 | Rs422 |
Working temperature | ℃ | -40~+60 | -40~+60 | -40~+60 | -40~+60 |
Storage temperature | ℃ | -45~+65 | -45~+65 | -45~+65 | -45~+65 |
Vibration | / | 8g 20~2000Hz 60min | |||
Shock | / | 120g, 4.5ms, 1/2sin | |||
Size | mm | 56×56×37 | 56×56×37 | 56×56×37 | 56×56×37 |
Install dimension
Wiring definition
No. 1: Power supply +15V
No. 2: Ground wire
No. 3: -15V power supply
No. 4: T+
No. 5: T -
No. 6: Ground wire
No. 7: X-axis output
No. 8: Y-axis output
No. 9: Z-axis output
Application Techniques
1.Study on the Stability of Quartz Accelerometer Head
2.Calibration Method of Accelerometer
3.Temperature Error Analysis of Quartz Accelerometer
4.What is the Quartz Accelerometer Digital Closed Loop Servo Circuit?
5.How to Improve the Impact Resistance of Quartz Accelerometer
6.What is the Effect of Temperature Coefficient on Quartz Accelerometer?