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Battery powered inductive proximity sensor sports 70-ft range

February 8, 2021 By EE World Online Editor

Mercury United Electronics, Inc. announces the release of their complete Inductive Proximity Sensor System that allows operation of the sensor and the transmitter from just two +1.5V AA batteries with a typical transmission range around 70 feet, or 22 meters.

The typical total current draw for the combined Inductive Proximity Sensor and RF Transmitter module [MPRF-01] is 5 microamps (uA) with no target motion and only 200 microamps (uA) at a target sense rate of 1 per minute. Using two Energizer L91 Ultimate Lithium (AA) batteries, which has an electrical charge capacity of about 3.3Amper hours (Ah) will provide about 16,000 hours of operating life at a 1 per minute sensing rate or about 1,600 hours of operating life at a 10 per minute sensing rate at 6-second intervals.

A short YouTube video, demonstrating the performance advantages, can be viewed at the following link: https://youtu.be/eBN3Mg-JD64

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Filed Under: Sensor Tips Tagged With: mercuryunitedelectronicsinc

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