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 510 | Defender 520 | Defender 530+ | ||
| Model and Flow Ranges | BIO-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 Accuracy | 1% | 1% | 1% | |
| Standardized Accuracy | N/A | N/A | 1.2% | |
| 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 Sensor | No | Yes, in flow steam | Yes, in flow steam | |
| Pressure Accuracy | N/A | 3.5 mmHg (typical) 7.0 mm (max) | 3.5 mmHg (typical) 7.0 mm (max) | |
| Temperature Accuracy | N/A | 0.8°C (typical) 1.3°C (max) | 0.8°C (typical) 1.3°C (max) | |
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