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Mesa BIOS Defender

Mesa BIOS Defender

Backed by Proven DryCal® Technology for fast,1% of reading calibrations of personal sampling pumps, the Defender 510, the enhanced Defender 520, and the standardising Defender 530.

Size 5.5"H x 6"W x 3"D
140 mm x 150 mm x 75 mm
Weight 29 oz. / 820 g
Flow Ranges  
   DryCal Defender Low (L) Flow: 5 to 500 ccm
   DryCal  Defender Medium (M) Flow: 50 - 5,000 ccm 
   DryCal Defender High (H) Flow: 300 - 30,000 ccm
   Volumetric ±1.0%
   Standardized ±1.2%
User-Selectable Measurement Units
   Volumetric Flow mL/min, L/min, cc/min, cf/min
   Standarized Flow smL/min, sL/min, scc/min, scf/min
   Pressure mmHg, PSI, kPa
   Temperature ºC, ºF
   Approximate Time per Reading 1-15 seconds
   Reading Styles Single (manual), Continuous or Burst, with averaging function user-selectable from 1 to 100 measurements
Gas Compatibility Use with non-corrosive, non-condensing, non-combustible gases, less than 70% humidity
Flow Modes Suction or Pressure
Measurement Cell Style Integrated
Temperature & Pressure Sensors In the flow stream
Press: 3.5 mmHg (typical), 7.0 mm (max)
Temp: 0.8 °C (typical) 1.3 °C (max)
Battery System  
   AC Adapter/Charger 12 DC, >250 ma, 2.5 mm, center positive
   Battery 6V rechargeable, sealed lead-acid, 6-8 hours typical operation
   Battery Operational Time  (5 cycles/min), 3 hours backlight on, 8 hours backlight off
Pressure & Suction Fittings ¼” ID Hose Barb
Display Backlit graphical LCD
Storage Temperature 0-70 °C
Ambient Humidity 0-70% - non-condensing
Operating Pressure  (Absolute) 15 PSI
Warranty Instrument: 1 year, Battery: 6 months
Data Port  Serial RS-232 (for use with DryCal Pro software)
Data Cable 1 meter (Defender Data Port to PC Serial Port)
Protective Case Soft side or Pelican cases available
Laboratory Accreditation Instruments are 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.
Instrument Certification RoHS and CE Compliant
I want to measure Flow
Products Flow Calibrators
Applications Flow Calibration

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