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Defender 510
Volumetric Primary Flow Standard

Defender 520
Enhanced Volumetric Primary Flow Standard

Defender 530+
Standardized & Volumetric Primary Flow Standard

Instantly calibrate your air samplers using Quick Start - there is no preparation involved, no messy soap bubble solutions. Alternatively, set your Defender to take hands-free, continuous measurements while you quickly set the flow rate on your pumps. Defender’s many user-selectable options makes customizing your calibrations easy, giving you exactly what you need in the format you prefer. All you have to do is choose between the 510, the 520 or the 530.

 Defender 510Defender 520Defender 530+
Model and Flow RangesBIO-200-510L: 5 - 500 cc/min
BIO-200-510M: 50 - 5,000 cc/min
BIO-200-510H: 300 - 30,000 cc/min
BIO-200-520L: 5 - 500 cc/min
BIO-200-520M: 50 - 5,000 cc/min
BIO-200-520H: 300 - 30,000 cc/min
BIO-200-530L: 5 - 500 cc/min
BIO-200-530M: 50 - 5,000 cc/min
BIO-200-530H: 300 - 30,000 cc/min
Volumetric Accuracy1%1%1%
Standardized AccuracyN/AN/A1.2%
User
Selectable
Measurement
Units

Volumetric

Standardized

Temperature

Pressure

ml/min, L/min, cc/min, cf/min

N/A

N/A

N/A

ml/min, L/min, cc/min, cf/min

N/A

°C °F

mmHg, PSI, kPa

ml/min, L/min, cc/min, cf/min

smL/min, sL/min, scc/min,scf/min

C °F

mmHg, PSI, kPa

Temperature and Pressure SensorNoYes, in flow steamYes, in flow steam
Pressure AccuracyN/A3.5 mmHg (typical)
7.0 mm (max)
3.5 mmHg (typical)
7.0 mm (max)
Temperature AccuracyN/A0.8°C (typical)
1.3°C (max)
0.8°C (typical)
1.3°C (max)
Model Item Quantity Unit Price Line Total
Defender 510 Low Flow - Defender 500 Series Defender 510 Low Flow - Defender 500 Series
$ 0.00
Defender 510 Medium Flow - Defender 500 Series Defender 510 Medium Flow - Defender 500 Series
$ 0.00
Defender 510 High Flow - Defender 500 Series Defender 510 High Flow - Defender 500 Series
$ 0.00
Defender 520 Low Flow - Defender 500 Series Defender 520 Low Flow - Defender 500 Series
$ 0.00
Defender 520 Medium Flow - Defender 500 Series Defender 520 Medium Flow - Defender 500 Series
$ 0.00
Defender 520 High Flow - Defender 500 Series Defender 520 High Flow - Defender 500 Series
$ 0.00
Defender 530+ Low Flow - Defender 500 Series Defender 530+ Low Flow - Defender 500 Series
$ 0.00
Defender 530+ Medium Flow - Defender 500 Series Defender 530+ Medium Flow - Defender 500 Series
$ 0.00
Defender 530+ High Flow - Defender 500 Series Defender 530+ High Flow - Defender 500 Series
$ 0.00
$ 0.00

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