Biaxial accelerometer ASC RAIL-2151LN

capacitiveMEMSIP68

Product overview
The ASC RAIL-2151LN is a biaxial, capacitive MEMS analog accelerometer designed for demanding rail applications. It provides a differential analog voltage output (±4 V FSO) and supports a flexible supply voltage range. The sensor is delivered in a robust stainless-steel housing with high ingress protection and an integrated cable which can be configured in length and with different connectors.

Key features

• Sensor technology: MEMS capacitive
• Number of sensitive directions: Biaxial
• Output signal: Differential analog voltage (±4 V FSO)
• Supply voltage: 6 to 40 VDC
• Measurement ranges available: ±2 g, ±5 g, ±10 g, ±25 g, ±50 g, ±100 g, ±200 g, ±400 g
• Robust stainless-steel housing (V2A, material number 1.4301)
• Protection class: IP68

Technology
The ASC RAIL-2151LN is based on proven MEMS capacitive sensing with integrated electronics to provide a stable differential voltage output and a wide supply voltage range for flexible installation and system integration.

Standards & testing
The RAIL-series sensors are tested and documented according to EN 50155 to simplify integration and documentation for railway operators.

Applications
Designed for rail transport applications, especially for bogie stability tests and monitoring of vehicles and vehicle components in harsh environmental conditions.

Technical specifications

• Sensor type: Accelerometer (analog)
• Sensor technology: MEMS capacitive
• Number of axes: Biaxial
• Output: Differential analog voltage, ±4 V FSO
• Supply voltage: 6 to 40 VDC
• Measurement ranges: ±2 g, ±5 g, ±10 g, ±25 g, ±50 g, ±100 g, ±200 g, ±400 g
• Noise density: 7 to 400 µg/√Hz
• Frequency range (±5%): DC to 1000 Hz
• Housing material: Stainless steel (V2A, material number 1.4301), non-flammable
• Ingress protection: IP68
• Temperature range: -40°C to +100°C
• Standards: EN 50155 (railway)
• Cable: Integrated cable with configurable length and connector options