Mesa Labs Defender 520
Rental Available
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.
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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
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