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Energy Harvesting Sensor Collects from Multiple Sources

Thu, 06/10/2010 - 9:49am

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EH-Link hybrid energy harvesting wireless sensor nodeMicroStrain announced the release of the EH-Link hybrid energy harvesting wireless sensor node that collects energy from multiple sources including strain, vibration, thermal gradients, ambient light,and thermal and electromagnetic fields. It also features an on-board triaxial accelerometer, relative humidity sensor, temperature sensor, and signal conditioning for a Wheatstone bridge which is compatible with strainload cells, torque sensors, pressure transducers, and magnetic sensors. EH-Link has two energy harvesting inputs and is compatible with piezoelectric, electro-dynamic, solar, RF field, and thermoelectric harvesters. The primary input can operate from AC or DC sources from 3 V to 20 V. The ultralow voltage (ULV) input can be powered from Peltier thermoelectric generators (TEGs), or thermopiles. The ULV input can operate from as low as 0.02 V DC and up to 0.6 V DC, making the nodefrom temperature differentials below 5 °C with TEGs. It can also operate in ambient light levels well below that required for solar cell use with traditional electronic

MicroStrain, Inc.
802-862-6629, www.microstrain.com

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