Digtal and Light Weight Seismograph
Application
It is more widely used in research areas such as intensive earthquake networks and natural seismic observations, reservoir induced earthquake monitoring, mining earthquake monitoring and oil and gas exploration, and other broadband zone earthquake observations and underground formation. Wait for scientific investigations
Features
1. Integrates a variety of functions such as integrated broadband seismic meters, collection, storage, data transmission, and detection
2. Inside contains 32 -bit collectors, small broadband zone seismic meters, data storage units, network communication, and GPS timing units
3. The signal conversion of vertical, east -west, and north after the coordinate is transformed.
4. The collector is used to collect the voltage signal of the output of the sensor, including three high -resolution, large dynamic range, and full balance differential channels of fast real -time data flow output, and has high time and time -conservative accuracy.
Technical sheet
| Sensor | Collector |
| Structure | Three points, capacitance energy, 54.7UVW Structure | ADC | 16 The |
| Sensitivity | Difference: 1000 (Vs / m) | Dynamic range | Greater than 135 dB @ 100 sps |
| Tape width | 0.0167 Hz ～ 80Hz 0.0083 Hz ～ 80Hz | Sampling rate | 50sps,100sps,200sps,500sps (Multiple sampling rates are simultaneously output) |
| Dynamic range | Greater than 155dB (1-10 Hz) | Digital filter | Linear phase FIR / minimum phase FIR |
| Nolinear | Better than 0.1% | Degree of distortion | Better than-100 dB |
| Cross sensitivity | Better than 1% | DAC | 16 bits, with a maximum output current of ± 5 mA |
| Output | ± 5V (dual-end) | Calibration signal type | Pulse, sine wave, and pseudorandom codes |
| Enter the limit speed (1Hz) | >10mm/s | Starting mode | Timed, instruction |
| Zero set | Automatic, remote | joggle | LAN Ethernet |
| Parasitic resonance | ≥100Hz | Data communication protocol | Low-latency and real-time data network service Jopens.TCP/IP,FTP |
| Open, lock | Power on automatic open swing, power off automatic lock swing | number of channels | 5-channel, 3-channel XYZ output, and 3 channel UVW |
| Self noise | From 40s to 15 Hz was lower than the NLNM | Sensor control | Zero, open swing, lock swing |
| Complete performance | | | |
| Time service | GPS timing unit / IRIG encoded input | Storage medium | 8GB industrial grade, wide temperature CF card |
| Time lock error | Less than 0.01ms (GPS timing) | Recording mode | Event trigger record, continuous waveform record record |
| Clock stability | Better than 0.5ppm | Data format | EVT,mini SEED.GEOPEN |
| Event trigger | STA / LTA, level, and timing | Data transmission mode | Low latency real-time data flow, support Reconnect, and FTP data download |
| Output sensitivity | 74.5nV/count | Remote monitor and control | Parameter setting, working status monitoring |
| Supply electricity | +12V(9V～ 20V) The average power consumption is less than 2W | Size | φ150mm×205mm |
| Storage environment | -55℃~ 80℃ | Weight | 5.5kg |
| work environment | temperature:-40℃~60℃ Humidity: 0~ 100% | Case protection | IP67 |
Product Photo
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Digtal Seismic Instruments Light Weight Seismograph Broadband Images
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