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Mesa Labs BIOS Defender 520

Mesa Labs BIOS Defender 520



The Mesa Labs Defender 520, backed by Proven DryCal® Technology for fast, ±1% of reading calibrations of personal sampling pumps, gives you the flexibility to do as much as you need while you work to defend lives. Consider the Defender 520 as a replacement for the discontinued BIOS Drycal DC-2 Air Flow Calibrator.

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CleanAir Engineering provides world-class service, support, and technical expertise alongside every instrument rental. All air monitoring equipment is inspected or calibrated before shipping from one of our four technical centers. Each rental includes additional accessories and components, providing added convenience and reliability to ensure the success of your project. Contact us for more information.