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High performance MEMS based accelerometer

High performance MEMS based accelerometer

High performance MEMS based accelerometer

Product catalog summary
Overview
Meggitt Sensing Systems specializes in various measurement products including LVDTs, inertial systems, inclinometers, accelerometers, IMUs, MEMS sensors, and conditioners. The Sensorex® high-performance MEMS accelerometer, Model SX40000, is designed for demanding environments and offers high performance at an optimized cost.

Characteristics
The SX40000 accelerometer is available in ranges of ±0.1g, ±0.25g, ±0.5g, and ±1g. It supports USB 2.0, RS485 Modbus RTU, and 4-20mA outputs. It is designed to withstand severe environments with long-term stability and high performance, conforming to EMI 50121-3-2 V2006 and EN 61326-1 V2013 standards.

Applications
This accelerometer is suitable for linear acceleration/deceleration measurements, automatic train position control, and low-frequency vibration measurements such as seismic monitoring.

Technical Specifications
  • Maximum non-linearity: <0.05% of full scale
  • Resolution: <0.01mg
  • Operating temperature: -40°C to +85°C
  • Power supply: +4.5 to +30VDC
  • Adjustable bandwidth: 0.01Hz to 10Hz
  • Auto-test feature with results transmitted to digital outputs

Mechanical Characteristics
  • Dimensions: 95x51x38 mm
  • Housing material: Anodized aluminum
  • Weight: <220g
  • Sensitive axis alignment: <±5mrad

Electrical Characteristics
  • Power consumption: <60mA (single axis), <100mA (twin axis)
  • Output signals: RS485, USB 2.0, 4-20mA
  • Initial bias calibration error: <±0.02mg (digital), <±0.04mg (analog)
  • Output noise: <0.05mgrms
  • Cross-axis sensitivity: <±5mg/g

Operating Conditions
  • Railway standard: EN50155 V2007
  • EMC: 50121-3-2 V2006 (railway), EN 61326-1 V2013 (industrial)
  • Operating temperature: -40° to +85°C
  • Storage temperature: -55° to +85°C
  • Vibration resistance: 10grms/20-2000Hz
  • Shock resistance: 200g/6ms
  • Protection: IP67
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Catalog excerpts

High performance MEMS based accelerometer-1

Aerospace Energy Measurement Railway High performance MEMS accelerometer, single & twin axis Model SX40000 Characteristics  Range: ±0.1g, ±0.25g, ±0.5g, ±1g  USB 2.0, 2 wires RS485 Modbus RTU, 4-20mA  Specially designed for severe environments (shocks, vibrations, electromagnetic perturbations)  Very long term stability  High performances  Conform to: EMI 50121-3-2 V2006/ EN 61326-1 V2013 Applications Meggitt (Sensorex) selected the best MEMS cells available on the market and associated them to the digital signal compensation and processing stage to obtain an accelerometer that matches the key performances of servo-accelerometers, at an optimized cost. - Maximum non linearity: <0.05% de PE Resolution < 0.01mg Operating temperature -40°C/+85°C Power supply can span from +4.5 to +30VDC. This unit is available in different ranges, ±0.1g, ±0.25g, ±0.5g & ±1g. Signals (directly proportional to the acceleration) are made available to the end-user as 420mA, RS485 and USB outputs. Specifically designed to operate in stringent vibratory environments, one of the key parameters of our MEMS accelerometer is its adjustable bandwidth between 0.01Hz and 10Hz (thanks to a configurable digital filter). A complete auto test is automatically made at the start of the sensor and results are transmitted to the digital outputs and to the TOR BIT-OUT output. Meggitt Sensing Systems Our measurement product competencies: LVDTs | Inertial systems | Inclinometers | Accelerometers | IMU | MEMS sensors | Servo-inclinometer | Conditioners  Linear acceleration/ deceleration measurements  Automatic train position control (ATC, ATP, ERTMS)  Low frequency vibration measure

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High performance MEMS based accelerometer-2

Aerospace Energy Measurement Railway High performance MEMS accelerometer, single & twin axis Model SX40000 Contact Mechanical characteristics Dimensions Housing material Anodized aluminium Product identification Sensitive axis alignment with respect to enclosure Meggitt (Sensorex) Archamps Technopôle 196 Rue Louis Rustin 74166 ARCHAMPS- France Tel: 04 50 95 43 70 Fax: 04 50 95 43 75 www.sensorex.fr www.meggitt.com Electrical characteristics Power supply < 60mA (single axis) & < 100mA (twin axis) Output signals Signal output Range Initial bias calibration error < ±0.02mg (digital output) & <±0.04mg...

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All SENSOREX MEGGITT catalogs and technical brochures

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