Why Mesa’s Defender Series?
» High accuracy. Calibrators in Mesa’s Defender Series are backed by Proven DryCal technology and have a reading uncertainty of less than 1%.
» Durability. All DryCal calibrators are field-proven and have provided IH professionals with reliable performance for decades.
» Real-time flow data. Calibrator flow data is captured in real-time with our DryCal Pro software, directly uploaded to a PC, and exported to a Microsoft environment.
» Convenient mail-in factory calibration. An annual NIST-traceable calibration by Mesa’s ISO-accredited facility provides a defensible audit trail and full refurbishment.
» Trusted accreditation. Mesa Labs is a fully accredited ISO-17025 facility with a 0.08% Scope of Accreditation for gas flow by NVLAP of NIST.
All Defender series products offer single, continuous, and burst reading options. The series is highlighted as a calibration method in the OSHA Technical Manual.
By connecting your computer to the Defenders RS-232 port, you’ll get real-time flow and data capture using DryCal Pro Software. Check out our product line:
Defender 510 • Volumetric Primary Flow Standard
The Defender 510 is the base model of the Defender series. This model is primarily used for
- Personal Sampling Pump Calibration
- Volumetric Flow Calibration
Defender 520 • Enhanced Volumetric Primary Flow Standard
The Defender 520 is the intermediate model of the Defender Series. This model provides:
- Flow Calibration where you want to know Temperature/Pressure
- A more affordable option
Defender 530+ • Standardized Primary Flow Standard
The Defender 530+ is the most enhanced model of the Defender Series. This model provides:
- Standardized (Mass Flow) Readings
- Ambient Air and Industrial Flow Standard Applications
- Options to use Standardized or Volumetric Flow Applications
100-250 Pelican 1200 Case
Hard, heavy-duty carry case with custom foam; fits 1 Defender.
100-251 Pelican 1520 Case
Hard, heavy-duty carry case with custom foam; fits 2-3 Defenders.
100-112 PC Card
Provides a serial port for a laptop computer.
100-113 Serial Cable
RS-232 cable for product to PC connection.
100-222 Adapter/Charger Universal
Universal 100-240V, 12VDC, single charge for use in multiple countries. Comes with one plug configuration of your choice US, UK, European, or Australian.
100-215 Plug Configuration
For use with universal adapter; plug configurations: US, UK, European, or Australian.
100-420 Tubing by the Foot
High Flex PVC, plain 1/4″ ID, 3/8″OD; up to 25 feet.
100-413 Leak Test Caps (Pack of 10)
Plastic, yellow; for suction and pressure fittings during self leak test.