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Micropelt claims that it has launched a commercial energy harvester that can outperform primary batteries as an energy source for wireless applications.

The TE-Power Probe can replace or largely extend the life of the batteries of modern Wirelesshart, ISA100 and similar transmitters.

Mounting the device to a hot side of 20C above ambient is said to result in a milliwatt net output, equal to about three AA cells per year.

Between 25C and 90C, 10mW net are generated, equivalent to as much as 30 AA cells of energy as an annual budget for a 3V application.

The TE-Power Probe collects thermal energy at the most optimal hotspot in proximity to its instrument to be powered.

As a result, the thermoelectrically harvested power is maximised in favour of more energy and better flexibility for the connected application.

The Thermoharvester with its cylindrical 2in (52mm) diameter and 4.2in-long aluminium body connects to the heat source via a threaded copper thermal input pin.

The TE-Power Probe is offered with different levels of power conditioning, including Thermogenerator DC output, externally configurable 1.6V to 5V and fully regulated discrete voltages including 2.4V, 3.6V and 4.5V.

The TE-Power Probe is priced at EUR730 (GBP630) for single units and will be sold through Mouser, starting with the 4.5V version.

‘This Thermoharvester eliminates all the battery-related operational costs of wireless sensors while giving them virtually infinite service life,’ said Fritz Volkert, Micropelt’s chief executive officer.


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