pALERT F330 (SA222) Force Balance Accelerometer
pALERT F330 is a tri-axial FBA (Force Balance Accelerometer) accelerometer with a dynamic range more than 120dB. pALERT F330 is specific designed for applications such as EEWS (Earthquake Early Warning System) and RSHD (Rapid Structural Health Diagnostic).
- Stand-alone system with build-in trigger algorithms that does not require other datalogger for operation
- Data can be uploaded to other data centers or cloud servers
Category Vibration
Built-in Web GUI
Support Real-time Outputs of Local Intensity Scales
Digital Output x2
Time Synchronization via NTP or GPS
Modbus Protocol

- ADC: 4 channels @ 24 bit
- Algorithms: Pd, PGA, STA/LTA
- Bandwidth: DC – 100 Hz
- Data Format: CSV or miniSEED
- Display: 2 lines x 20 characters
- Frequency Response: 0.05 – 40 Hz. with 10Hz / 20Hz 1 40Hz digital filters
- Non Linear: 0.03%
- Measuring Range: ±0.5 g, ±1g, ±2 g, ±4 g (pre-configured)
- RTC Accuracy: ±60 sec/year, GPS model available upon request
- Sampling Rate: 100, 200, 500, 1,000 SPS (cofigurable)
Applications: Earthquake Early Warning System (EEWS), Rapid Structural Health Diagnostic (RSHD), Industrial Disaster Prevention
Related products
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SHAKE SS300 Smart Seismic Switch
Vibration -
AA222 Tri-Axial FBA
Sensor