ASMT (SWSC-103-1): Wireless Bluetooth Sensor

The SWSC-103-1 Wireless Tri-Axial Accelerometer and Signal Conditioning Module forms part of TTC’s ASMT wireless signal conditioning product line. This module is a fully self-contained system that operates on battery power and is designed to be attached to the external airframe using electro-cleavable adhesive or alternatively, by screw mounting. The SWSC-103-1 module communicates with the MWTR-103 Miniature Wireless Transceiver module that can be used to integrate multiple wireless sensors into TTC’s line of Miniature Distributed Data Acquisition Units. The AC-coupled accelerometer channels provide anti-alias filtering, 12-bit digitization and programmable DSP-based IIR digital filtering of the raw accelerometer signals. DSP-based low-pass IIR channel filters have a 6-pole Butterworth characteristic and programmable –3dB frequency ranging from 1.56 Hz to 50 Hz. The accelerometer channels also provide programmable gain from 1x to 16x allowing full-scale acceleration measurements from +2.5 g to +40 g.

The SWSC-103-1 channel sampling rate is automatically set by control software to 98% of the host system format sample rate up to 200 sps. The low-pass, –3dB frequency of the accelerometer channels are then fixed at one fourth of the programmed SWSC-103 data sampling frequency, thus providing programmable cut off frequencies of up to 50 Hz. All three acceleration channels are output to the MWTR-103 controller via a Bluetooth 2.0 radio link for insertion into the system PCM serial output data stream. Additional capabilities include, on-board battery charging, monitoring of battery voltage and internal temperature and discrete bi-level inputs and outputs.

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ASMT (SWSC-103-1): Wireless Bluetooth Sensor

• Wireless, Tri-Axial MEMS-Accelerometer and Integrated Signal Conditioning Module
• Fully self-contained
• Integral Li-Ion battery and charger
• Programmable Digital IIR Presample Filtering
  • - 6-pole Butterworth characteristic
  • - Automatic adaptive filter –3dB frequency based on format sample rate
• Programmable Acceleration Input Range from ±2.5g to ±40g Full scale. >10,000 settings
• ± 0.5% System Accuracy
• All Accelerometer data samples are Time Stamped
• Auxiliary Functions including:
  • - Battery voltage monitoring
  • - Internal temperature monitoring
  • - 2 x Bi-level signal inputs
  • - 2 x Bi-level signal outputs
• Compatible with MCDAU/WDAU-20XX and MARM-2000 operating to 20Mbps
• TEDS (Transducer Electronic Data Sheet) capable
• Windows 95/98/NT/2000/XP/Vista Software Included

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ASMT (SWSC-103-1): Wireless Bluetooth Sensor

• Flight Test Instrumentation
• Ground Vehicles
• Munitions
• Missiles/PGM
• Research Measurements and Experiments

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