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The Defender™ Series
New in 2010: Defender 530
The Defender Series

Backed by Proven DryCal® Technology for fast, ±1% of reading calibrations of personal sampling pumps, the Defender 510, the enhanced Defender 520, and the standardizing Defender 530, giving you the flexibility to do as much as you need while you work to defend lives. The Defender Series has it all.

Defender 510 • Volumetric Primary Flow Standard

Defender 520 • Enhanced Volumetric Primary Flow Standard

Defender 530 • Standardized and Volumetric Primary Flow Standard

  • a broad dynamic flow range
  • choice of single, hands-free continuous, or user -specified "Burst" measurements
  • the temperature and pressure conditions of the calibration process (520 model)
  • standardizing readings (530 model)
  • time intervals between measurements for checking personal sampling stability over a typical sampling period.
  • a field-friendly, rugged and lightweight design featuring a large, illuminated liquid crystal display and intuitive menu navigation
  • RoHS- and CE-compliance

Click the below application note for more information


  Defender 510 Defender 520 Defender 530
Model & Flow Ranges 510L, 5 -500 ccm
510M, 50-5000 ccm
510H, 300-30,000 ccm
520L, 5 -500 ccm
520M, 50-5000 ccm
520H, 300-30,000 ccm
530L, 5 -500 ccm
530M, 50-5000 ccm
530H, 300-30,000 ccm
Volumetric Accuracy 1% 1% 1%
Standardized
Accuracy
N/A N/A 1.2%
User-Selectable Measurement Units
Volumetric mL/min, L/min,
cc/min, cf/min
mL/min, L/min,
cc/min, cf/min
mL/min, L/min,
cc/min, cf/min
Standardized N/A N/A smL/min, sL/min,
scc/min, scf/min
Temperature N/A °C    °F °C    °F
Pressure N/A mmHg, PSI, kPa mmHg, PSI, kPa
Temperature and
Pressure Sensor
No Yes, in flow stream Yes, in flow stream
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)