Mesa Labs Defender 520
The Mesa Labs Defender 520 (High) Enhanced Volumetric Primary Flow Standard Calibrator, intermediate model of the Defender Series, featuring DryCal technology. Ideal for: volumetric flow calibration where temperature/pressure measurements are required. ±1% of reading calibrations. Available from CleanAir in High (300-30,000 ccm) flow range configuration. Each factory-calibrated instrument includes ISO-17025 NIST-traceable certifications.
All Defender Series products offer single, continuous, and burst reading options. Connect your computer to the Defender’s RS-232 port for real-time flow and data capture using DryCal Pro Software.
Consider the Defender 520 as a replacement for the discontinued BIOS Drycal DC-2 Air Flow Calibrator.
The Mesa Labs Defender 520 (High) Enhanced Volumetric Primary Flow Standard Calibrator, intermediate model of the Defender Series, featuring DryCal technology. Ideal for: volumetric flow calibration where temperature/pressure measurements are required. ±1% of reading calibrations. Available from CleanAir in High (300-30,000 ccm) flow range configuration. Each factory-calibrated instrument includes ISO-17025 NIST-traceable certifications.
All Defender Series products offer single, continuous, and burst reading options. Connect your computer to the Defender’s RS-232 port for real-time flow and data capture using DryCal Pro Software.
Consider the Defender 520 as a replacement for the discontinued BIOS Drycal DC-2 Air Flow Calibrator.
Specifications
- Approximate Time per Reading: 1-15 seconds
- Reading Styles (with averaging function user-selectable from 1-100 measurement): Single (manual), Continuous or Burst
- Gas Compatibility: Non-corrosive, non-condensing, less than 70% humidity
- Flow Modes: Pressure or Suction
- Measurement Cell Style: Integrated
- AC Adapter/Charger: 12V DC, >250ma, 2.5 mm center positive
- Battery System: 6V rechargeable, sealed lead-acid, 6-8 hrs typical operation
- Battery Operational Time (5 cycles/min): 3 hrs backlight on, 8 hrs off
- Pressure and Suction Fittings: 1/4” ID Swagelok® compression fittings, 3/8” fittings on High Model
- Storage Temperature: 0-70°C
- Ambient Humidity: 0-70%, non-condensing
- Operating Pressure (Absolute): Atmospheric, 15 PSI Max
- Display: Backlit graphical LCD
- Data Port (for PC interface): Serial (RS-232)
- Data Cable (for PC interface): 1 meter (Defender Data Port to PC included)
- Protective Case: Pelican case available
- Dimensions (H x W x D): 5.5” x 6” x 3” / 140 x 150 x 75 mm
- Weight: 29 oz / 820 g
CleanAir Engineering provides world-class service, support, and technical expertise alongside every instrument rental. All air monitoring equipment is inspected or calibrated before shipping from one of our four technical centers. Each rental includes additional accessories and components, providing added convenience and reliability to ensure the success of your project. Contact us for more information.
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