- Model DFHV-1S-BL-TE - Digital High Volume Air Sampler (220 - 240 VAC)



Model DFHV-1S-BL-TE digital high volume air samplers provide simplicity of operation and improved accuracy. This model features a 450 watt brushless vacuum blower, digital flow measurement, elapsed time and accumulated volume measurement capability. It has a bright LED display and a user friendly four button keypad. Various flow and volume engineering units are available for selection at the time of order placement. The pump is mounted on a rigid base with non-skid rubber feet. The air sampler is supplied with a 102 mm (4”) diameter filter holder.

  • Display in English or metric units set at factory
  • Choices of flow/volume units:
    • SLPM: SL
    • SCMH: SCM
    • SCFM: SCF
  • State of the Art microprocessor electronics
  • Automatic Flow Control
  • Auto Shut-off on time or volume
  • Flowrate and volume totalizations displayed are corrected to a factory settable Reference Temperature and Pressure (4 options available)
  • Elapsed time meter
  • Auto zero calibration feature of flow sensor
  • Bright LED display
  • Flow rate accuracy within ± 4.0% F.S.
  • RS-232 Communication Port w/Operator selectable download frequency for real-time data
  • 220 – 240 VAC, 50/60Hz; single phase
  • Brushless Motor (450 watts)

  • PUMP TYPE: The pump is a 450W brushless blower with 3 phase commutation for more precise speed control
  • MAXIMUM MOTOR CAPACITY: 36 CFM at 29.92” Hg and 70ºF (Free Air Flow)
  • HUMIDITY OPERATING RANGE: 0-95% RH (non-condensing)
  • TEMPERATURE OPERATING RANGE: 18 to 122ºF (-8 to 50ºC)
  • ULTIMATE VACUUM: 58.9” H2O (4.34 Hg) at standard temperature, pressure and zero flow restriction
  • POWER REQUIREMENTS: 220 – 240VAC; 50/60Hz at 3 amperes; single phase
  • ELECTRICAL CORD: All temp, 3 wire 16 gauge
  • FLOW CONTROL: Electronic motor speed control
  • HANDLE: Durable metal/plastic
  • DIMENSIONS: (10”L × 8 ¼”W × 9¾ ”H) (25.4cm L x 21.0cm W x 24.8cm H)
  • AVERAGE dB: 78.6 at 31.4 CFM
  • WEIGHT: Approx 5,43 kg (12 lbs.)
  • INSTALLATION CATEGORY: Pollution Degree 2
    • Flowrate: Corrected to Ref. T and P
    • Elapsed Time: hhh:mm
    • Volume: Corrected to Ref. T and P
  • FLOW CALIBRATION: Factory calibration or calibration check recommended once per year.
  • FILTER HOLDER OPTIONS: The standard 102 mm filter holder design can be custom modified to provide 110 mm, 120 mm, 130 mm and 150 mm filter media.

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