An accurate, portable solution for gas flow measurement awarding us with the International Design Excellence Award.

BIOS Defender & Definer Series

Introducing the Defender: your accurate, portable solution for gas flow measurement. Connect this meter to a source of gas, and it will deliver accurate readings of gas flow, with variants to also measure gas pressure and temperature.

Industrial Design

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Engineering

Mechanical Design
Enclosure Design
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Electrical Engineering

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The Defender has specific design features for industrial hygiene and the monitoring of environmental pollution and, therefore is highly suitable for the calibration of air sampling and pollution equipment. This product is designed for ease of operation-enabling technicians to achieve the right gas flow measurement quickly with the press of a single button.