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GD-D2000A Digital Strong Motion Acceleration Monitor
The GD-2000A is a remote real-time strong motion acceleration monitoring system. It consists of three accelerometers and a recorder. Inside the accelerometer, there are three accelerated detectors, each containing microelectromechanical chips that handle unidirectional motion. Combined, they measure vibrations in 3D space.
The system records critical data including PGA (Peak Ground Acceleration), PGV (Peak Ground Velocity), PGD (Peak Ground Displacement), and SI (Spectral Intensity). When a strong vibration occurs, the monitor promptly records and triggers an alarm, which can be sent to mobile devices via SMS.
| GLS-3 Strong Motion Vibration Accelerometer Sensor Technical Specification | ||
|---|---|---|
| 1 | Range | ±2g |
| 2 | Measurement Direction | Unidirectional, bi-directional or tri-directional |
| 3 | Sensitivity | 2.5 V/g |
| 4 | Dynamic Range | ≥120dB |
| 5 | Linearity | Better than 1% |
| 6 | Passband (-3dB) | 0~120Hz |
| 7 | Resolution | 0.01 mg |
| 8 | Parasitic Resonance Frequency | >500 Hz |
| 9 | Horizontal Sensitivity | ≤1% |
| 10 | Quiescent Current | 10mA (unidirectional), 40mA (tri-directional) |
| 11 | Noise | <10μV |
| 12 | Power Supply | 9~18V DC |
| 13 | Zero Drift | (-40~+70)ºC, 200μg /ºC |
| 14 | Working Temperature | -40ºC to +70ºC |
| 15 | Relative Humidity (RH) | 90% |
| 16 | Size | ¢116mm × 64mm |
| 17 | Weight | 0.64 kg |
| 18 | Dust Proof Grade | IP67 |
Specializing in the manufacturing and development of high-resolution geophysical instruments. Our expertise includes Resistivity Meters, IP instruments, Resistivity Imaging, Seismic instruments, and magnetic instruments. We also provide comprehensive solutions for borehole cameras, borehole loggers, and various drilling equipment such as core drill rigs and water well rigs. Additionally, we provide precision surveying equipment including GPS, Total Stations, and Echo sounders.
