Defender 510 & 520
Accurate, Reliable & Portable Primary Calibrators
for Fast Calibration of Air Sampling Pumps
Backed by Proven DryCal® Technology for fast,1% of reading calibrations of personal sampling pumps,the Defender 510 and Defender 520 give you the flexibility needed to enable you to do your work – defending lives. The Defender Series has it all.
Mesa Labs is a fully accredited ISO-17025 facility with a 0.08% Scope of Accreditation for gas flow by NVLAP of NIST.
For use with non-corrosive, non-condensing, non-combustible gases, less than 70% humidity.
2 Models, 3 Flow Rates to Choose From
Defender 510 • Volumetric Primary Flow Standard
Flow Range:
Low: 5-500ccm
Medium: 50-5,000ccm
High: 300-30,000ccm
- Single, Continuous and Burst reading options
- Accuracy Volumetric (% of reading) 1%
- Volumetric Flow Readings – mL/min, L/min, cc/min, cf/min
- Data Port: Serial (RS-232)
- 1/4” Barbed Plastic Compression Fittings
Defender vs. the Competition
World renowned NIST expert in fluid flow measurement Dr. George Mattingly tested the stated accuracy of the Defender against the competition. See how the Defender did in the following report: Total Published Accuracy
Specification Sheets, Manuals & Documents
Defender 520 • Enhanced Volumetric Primary Flow Standard
Flow Range:
Low: 5-500ccm
Medium: 50-5,000ccm
High: 300-30,000ccm
- Single, Continuous and Burst reading options
- Accuracy Volumetric (% of reading) 1%
- Temperature & Pressure Sensors in flow stream
- Temperature Readings: C°, F°
- Pressure Readings: mmHg, PSI, kPa
- Volumetric Flow Readings – mL/min, L/min, cc/min, cf/min
- Data Port: Serial (RS-232)
- 1/4” Barbed Plastic Compression Fittings
