the fast calibration of personal sampling pumps
Accurate, reliable & Portable primary calibrators for rapid calibration of air sampling pumps in the occupational health and safety area.
Proven by the proven Drycal® technology for fast 1% accurate calibration of a sampling pump, the Defender 510, the Defender 520 with temperature and pressure measurement and the Defender 530 for standardized or standardized display of flow.
2 models, 3 flow standards
Defender 510 - Volumetric Primary Flow Standard
Defender 520 - Volumetric Primary Flow Standard with Temperature and Pressure Measurement
Measuring ranges:
Low: 5-500ccm
Medium: 50-5,000ccm
High: 300-30,000ccm
Single, continuous or 10 compartment measurements
Volumetric accuracy (% of reading) 1
Temperature & Pressure Sensors in Flow
Temperature values: C ° / F °
Pressure measurements: MmHg, PSI, kPa
Volumetric flow rate Measured values: mL/min, L/min, cc/min, Cf/min
1/4" hose connection
This Instrument is manufactured and calibrated by a company accredited to the ISO 17025, ANSI Z540, and NIST Handbook 150 standards. Traceability to the International System of Units (SI) and NIST is verified by accreditation to the ISO/IEC 17025 by NVLAP under Code 200661-0
