pALERT Q332 Tri-Axial Digital Accelerograph – High-Performance Seismic & Vibration Monitoring Solution
pALERT Q332 is a cutting-edge tri-axial digital output all-in-one accelerograph. Embedded with a Quartz MEMS (Micro-Electro-Mechanical System) accelerometer, pALERT Q332 convinces with its ultra-low noise, high stability, and ideal power consumption. The Quartz MEMS technology results both in high accuracy, durability, and long-term stability that are not achievable with conventional sensor technologies.
OVERVIEW
Description
pALERT Q332 is a next-generation tri-axial digital accelerograph designed for high-precision seismic and vibration monitoring. Built with advanced Quartz MEMS accelerometer technology, the system delivers ultra-low noise performance, exceptional stability, and optimized power efficiency, making it ideal for both permanent installations and mission-critical monitoring applications.
Unlike conventional sensor technologies, Quartz MEMS provides superior accuracy, long-term reliability, and durability, ensuring consistent performance even in demanding environments.
The pALERT Q332 supports a broad spectrum of applications, including Earthquake Early Warning (EEW), seismic observation networks, structural health monitoring, and industrial vibration analysis, making it a versatile solution for research institutions, infrastructure operators, and industrial facilities.
With up to 132 dB dynamic range, sampling rates up to 1000 samples per second, and support for multiple international seismic intensity scales—including MMI, JMA, KMA MMI, CEA, and CWB—the Q332 delivers comprehensive monitoring capabilities for both regional and site-specific deployments.
Product Specification
| Feature | 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, ±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) | 50 SPS, 100 SPS, 200 SPS, 500 SPS, 1000 SPS (configurable) |
| Frequency Response | 0.05 – 40 Hz (with 10Hz / 20Hz / 40Hz digital filters) | DC – 460 Hz |
| LED Display | 2 lines x 20 characters | LED 2 lines x 20 characters |
| Trigger Algorithm | Pd, PGA, STA / LTA | Pd, PGA, STA / LTA |
| Power Supply | 10 – 30 VDC | 10 – 30 VDC |
| Power Consumption | 2W@12VDC | 2W@12VDC |
| Operating Temperature | -20°C to 70°C | -20°C to 70°C |
| ADC | 4 channels@24 bit | 4 channels@24 bit |
| Data Format | CSV / miniSEED | CSV / miniSEED |
| RTC Accuracy | ±60 sec/year, supporting NTP synchronization. Optional: GPS model available upon request |
±60 sec/year, supporting NTP synchronization. Optional: GPS model available upon request |
| Storage | 16 GB microSD Card (expandable) | 16 GB microSD Card (expandable) |
| Waterproof | IP67 | IP67 |
| Weight | 1.8 kg | 1.8 kg |
| Dimension (L x W x H) | 205 x 160 x 80 mm | 205 x 160 x 80 mm |
APPLICATIONS
Applications
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High-tech facility vibration and VC curve monitoring
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Industrial disaster prevention systems
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Earthquake Early Warning Systems (EEWS)
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Rapid Structural Health Diagnostics (RSHD)
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Seismic observation networks and arrays
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Infrastructure monitoring for buildings, bridges, and dams
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Micro-tremor monitoring for sensitive industrial equipment
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On-site and national earthquake monitoring networks
FEATURES
Key Features
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Integrated backup power using built-in 18650 battery
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Built-in Web GUI for configuration and real-time waveform viewing
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Modbus protocol support for industrial integration
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Accurate time synchronization via NTP or GPS
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Three digital outputs for external control and alarm triggering
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High dynamic range (up to 132 dB)
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Sampling rate up to 1000 SPS
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Compact, all-in-one design for easy deployment
USE CASES
Ideal Use Cases
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Regional seismic monitoring arrays
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Structural health monitoring of buildings, bridges, and dams
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Vibration monitoring in semiconductor and high-tech manufacturing plants
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On-site earthquake monitoring and alert systems
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National and municipal earthquake monitoring networks















