
LTME – 150: ULTRA HIGH-PRECISION MEMS ACCELEROMETER FOR STRONG MOTION SEISMIC MONITORING
The LTME-150 is a high-precision, 3-axis digital MEMS accelerometer designed for seismic health monitoring and strong motion event detection. With an exceptional dynamic range (>150 dB), ultra-low noise (0.2 μG√Hz), and a broadband response (DC to 460 Hz), it ensures high-accuracy, maintenance-free operation. Its software-selectable full-scale range (±15g), low power consumption (<100mW at 12V), and rugged IP67/IP68-rated aluminum housing make it ideal for long-term seismic monitoring.
OVERVIEW
Description
LTME-150: Ultra High-Precision Digital MEMS Accelerometer for Seismic Monitoring
The LTME-150 is a high-accuracy, 3-axis digital MEMS accelerometer designed for seismic health monitoring and strong motion event observation. With an ultra-low noise floor (0.2μG√Hz) and a dynamic range exceeding 150 dB, it provides precise, stable measurements without the need for recalibration or maintenance. Its broadband linear response extends from DC to 460 Hz, with a maximum full-scale range of ±15g, fully software selectable for adaptability in various applications.
The LTME-150 meets all requirements for strong motion event monitoring, providing superimposable data output comparable to mechanical force-balance accelerometers, even in light tremors. Its digital architecture ensures high-resolution measurements (>24-bit) with an output data rate of 50 to 1000 sps.
Why Choose LTME-150?
High-precision seismic health monitoring with ultra-low noise
Software-selectable full-scale ranges for flexible applications
Maintenance-free, long-term stability with robust IP67/IP68 housing
Compact, lightweight, and easy to install
Digital output (UART/RS232/RS422) for seamless integration
FEATURES
MEMS Technology
Dynamic Range: >150 dB
Frequency Range: DC to 460 Hz
Full-Scale Ranges: Software-selectable up to ±15g
High Accuracy & Durability
Ultra-Low Noise: 0.2 μG√Hz (rms)
Low Power Consumption (<100mW at 12V)
Good Thermal Stability
Power Supply: 5V to 36V
Robust Aluminum Housing (IP67, optional IP68)
100% Italian Product
SPECIFICATIONS
Measurement Capabilities:
Typology: Triaxial, Biaxial, and Monoaxial
Technology: MEMS
Full-Scale Ranges: ±15g (software selectable)
Dynamic Range: >150 dB
Bandwidth (-3dB): 0 to 460 Hz
Resolution: 0.06 μG/LSB
Built-in Low Pass Filter: 9 to 460 Hz
Noise Performance:
Noise in Band: 0.2 μG√Hz (rms, 0.7 max)
PSD Noise:
- @1 Hz: 0.1 μG√Hz
- @10s: 0.5 μG√Hz
Electrical & Environmental Specifications:
Power Supply: 5V to 36V DC
Power Consumption: <100mW (<10mA@12V)
Protection: Reverse voltage, overvoltage, and surge protected
Operating Temperature: -25°C to +60°C
Housing: Anodized hard-coated aluminum (IP67, optional IP68)
Synchronization: Sync pin driven by host
Installation & Mounting:
Integrated Bubble Level & Adjustable Locking Screws
Mounting Options:
- Included mounting plate
- Single ground fixing screw
Weight: <400 g
Dimensions:
- Outer Diameter: 96 mm
- Height: 50 mm

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