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.
Specifications
• 1% Volumetric Accuracy
• 1.2% Standardized Accuracy for 530+ Model Only
User Selectable Measurement Units:
| Model | Volumetric | Standardized | Temperature | Pressure |
| Defender 510 | ml/min, L/min, cc/min, cf/min | N/A | N/A | N/A |
| Defender 520 | ml/min, L/min, cc/min, cf/min | N/A | °C °F | mmHg, PSI, kPa |
| Defender 530+ | ml/min, L/min, cc/min, cf/min | smL/min, sL/min, scc/min, scf/min | °C °F | mmHg, PSI, kPa |
| Part Number | Model | Flow Range | Temperature and Pressure Sensor | Pressure Accuracy | Temperature Accuracy |
| BIO-200-510L | Defender 510 | 5 - 500 cc/min | No | N/A | N/A |
| BIO-200-510M | Defender 510 | 50 - 5,000 cc/min | No | N/A | N/A |
| BIO-200-510H | Defender 510 | 300 - 30,000 cc/min | No | N/A | N/A |
| BIO-200-520L | Defender 520 | 5 - 500 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
| BIO-200-520M | Defender 520 | 50 - 5,000 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
| BIO-200-520H | Defender 520 | 300 - 30,000 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
| BIO-200-530L | Defender 530+ | 5 - 500 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
| BIO-200-530M | Defender 530+ | 50 - 5,000 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
| BIO-200-530H | Defender 530+ | 300 - 30,000 cc/min | Yes, in flow steam | 3.5 mmHg (typical) 7.0 mm (max) | 0.8oC (typical) 1.3oC (max) |
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