
MicroStrain Inc. has released the latest version of its Agile-Link wireless nodes, which feature real-time streaming rates up to 4 KHz. According to the company, this is a significant increase in sample rate, which opens up many new applications for wireless sensor networks. The Agile-Link nodes which support high-speed streaming rates are: G-Link wireless triaxial accelerometer node, V-Link wireless voltage node and SG-Link wireless strain gauge node. These nodes offer flexibility with low-duty cycle mode and stand-alone data-logging capability. Applications include condition-based monitoring of machinery for predictive maintenance; impact and crash testing; measuring torque, strain and load on rotating equipment; and vibration monitoring and modal analysis. Specifications include:
Support of simultaneous streaming of real-time, high-speed data from up to 16 nodes RF communications band: 2.4 GHz direct sequence spread spectrum, IEEE 802.15.4 radio standard Wireless communications range: 70 m line-of-sight with standard antennas or 300 m line-of-sight with high-gain antennas Real-time streaming rates up to 4 KHz Data-logging sample rates up to 2048 Hz 2 MB Flash memory storing up to 1,000,000 data points Internal lithium ion rechargeable battery and advanced energy saving features* Open serial protocol enables users to develop high speed applications in LabVIEW other operating modes are supported in LabVIEW, Visual Basic and C++ using low-cost software development kit
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