Defender 510 & 520 Calibration For Air Sampling

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Bios Defender Series

The primary Flow Calibration Standard. Fast, Accurate and Field Portable

Easy As 1.2.3..

1. Turn it on
2. Connect it to your pump
3. Start taking readings

The new replacement for the popular and proven DC-Lite. With a wide range of major improvements it is the easiest flow calibrator on the market today. Calibrations within 1 minute and no messy liquids.

Everything you love about Bios DryCalR technology in a new series of true primary flow standards that make it easier than ever to calibrate your air sampling pumps.

Simpler Flow Range

Just three models each of the 510 & 520 covering a wide flow range from 5ml/min up to 30 litres/minute, reducing the need for more than one calibrator.

Low 5-500 ml/min
Medium 50-5000 ml/min
High 300-30,000 ml/min

Durable, Rugged and Lightweight
The robust case, interior shock absorbers and improved internal valve design make this a highly durable and portable machine. With its modern, sleek design and rubber handgrips it is also easy to handle.

Simple Operation
Large, backlit display with zoom feature and an easy to use menu. Set the unit to take hands-free continuous readings while you quickly and accurately set the flow rate of your air sampling pumps.

Highly Accurate Across the Whole Flow Range
1% accuracy, backed by NIST traceable calibration certificate. The Defender 520 Model also displays ambient temperature and pressure conditions eliminating the need for additional instrumentation.

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