Defender CalibratorsThree models of the popular Defender primary flow calibrator are available with three versions of each including a low, medium and high flow version of each Defender calibrator. 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, give you the flexibility to do as much as you need with the greatest flexibility. The Defender Series has it all. The range features the Defender 510 with Volumetric Primary Flow, the Defender 520 with Enhanced Volumetric Primary Flow and the Defender 530 with Standardized and Volumetric Primary Flow. Each calibrator has; • 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. • A range of carrying options to suit field use too.
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