Can digitally control fans and alarms to protect mission-critical electronics Even though ambient temperature inside a product depends on the airflow, most electronic systems monitor only temperature because a board-mountable airflow sensor has not been available. Measuring 6.35 x 14.25 x 25 mm, the F600 airflow and temperature sensor changes that, being designed specifically for embedded application in telecommunications, IT, and military designs that require in situ airflow sensing at critical locations. The anemometer measures airflow over a board in real time (9-s response time), and can communicate with a host processor over several types of digital interfaces: I2C, UART, PWM, frequency, or switch output. With an overall velocity range of 100 to 1,000 fpm, the sensor is accurate to ±10% of reading from 200 to 1,000 fpm at 25°C, and it measures temperature with an accuracy of ±3°C from 15° to 60°C. The device is designed to be minimally intrusive to airflow with a ±45° acceptance angle to axis along the board plane, and requires 12-V power. It is individually calibrated and is available packaged or as an unpackaged board. ($25 ea/10,000 -- available 4 to 6 weeks ARO.) 
Rick Melloy 603-672-8900
rick.melloy@degreec.com
http://www.degreeC.com
Thursday, January 31, 2008
Board-mountable sensor measures airflow, temperature
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