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pALERT Q332/S303 (Palert220/Palert+) Tri-axial Quartz MEMS Accelerometer

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pALERT Q332/S303 (Palert220/Palert+) Tri-axial Quartz MEMS Accelerometer

pALERT S303/pALERT Q332 is an advanced version of pALERT network accelerometer. It is reinforced in device protection to IP67, upgrading CUP computing speed, and increasing internal memory for waveform storage.
pALERT S303/pALERT Q332 embeds with Pd technology developed by Prof. Yih-Min Wu of National Taiwan University (NTU). Designed to reduce earthquake damages and by Pd technology, pALERTS303/pALERT Q332 can determine a seismic event within 3 seconds after P waves are first captured and then issue warnings depending on that estimated S waves are devastating or not.
  • Provides three triggering algorithms: Pd, PGA, and STA/LTA
  • Offers 10Hz, 20Hz and 40Hz low pass filters which are user configurable to filter out high-frequent noise generated by non-seismic vibrations
  • Intensity scales for MMI US, KMA Korea, JMA Japan, CWB Taiwan, and CEA China are available for displaying upon users’ configuration

 

Categories , ,
  • Backup Power via Built-in 18650 Battery

  • Built-in Web GUI & Waveform Viewer

  • Modbus Protocol

  • Digital Output x3

  • Time Synchronization via NTP or GPS

pALERT S303 pALERT Q332
Sensor Type Tri-axial MEMS Accelerometer
Optional: 4th-axial vertical Geophone (built-in/externally)
Tri-axial Quartz MEMS Accelerometer
Optional: 4th-axial vertical Geophone (built-in/externally)
Measuring Range ±2 g, ±4 g (customized) ±1 g, ±2 g, ±4 g, ±15 g 
Dynamic Range >100 dB >132 dB
Sample Rate 100 SPS, 200 SPS, 500 SPS, 1000 SPS (configurable) 100 SPS, 200 SPS, 500 SPS, 1000 SPS (可configurable)
Trigger Algorithm Pd, PGA, STA/LTA Pd, PGA, STA/LTA
Data Format CSV / miniSEED CSV / miniSEED
ADC 4 channels @24-bit 4 channels @24-bit
Power Supply 10 – 30 VDC 10 – 30 VDC
Power Consumption 2 W@12 VDC 2 W@12 VDC
Operating Temperature -20°C to 70°C -20°C to 70°C

Applications: Industrial Disaster Prevention, Earth Early Warning System (EEWS), Rapid Structural Health Diagnostic (RSHD), High-Tech Plant VC Curve Monitoring

Best Suited: Seismic Monitoring for Regional Array, Onsite & National Earthquake, Micro-tremor Monitoring for High-tech Industry, Structural Health Monitoring for Buildings, Bridges, or Dams

pALERT Q332 Datasheet PDF

pALERT S303 Datasheet PDF

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