- Model DFHV-1SE - Digital High Volume Air Sampler (220 - 240 VAC)



Model DFHV-1SE digital high volume air samplers provide simplicity of operation and improved accuracy. This model features a motor cooling fan within the motor housing, digital flow measurement, elapsed time and accumulated volume measurement capability. It has a bright LED display and a four button keypad. This model features operator selectable automatic flow control. Various flow and volume engineering units are available for selection. The air sampler is mounted on a rigid base with non-skid rubber feet. The air sampler is supplied with a 102 mm (4”) diameter filter holder. Options include an adaptor to convert from a 102 mm (4”) diameter opening to a 1.83 inch opening for standard combination filter holders (P/N: HV1SAP). The DFHV-1SE air sampling system is designed for periodic indoor use. Please consult the product specifications for the design temperature range and the installation category.

  • 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 – 230 VAC, 50/60Hz; single phase

  • PUMP TYPE: Two-stage, dual ball-bearing, bypass type with an independent cooling system for the motor that provides thermal overload protection.
  • MAXIMUM MOTOR CAPACITY: 94 CFM at 29.92” Hg and 68ºF (Free Air Flow); Flow rate achievable will depend on the filter media utilized
  • HUMIDITY OPERATING RANGE: 0-95% RH (non-condensing)
  • TEMPERATURE OPERATING RANGE: 18 to 122ºF (-8 to 50ºC)
  • ULTIMATE VACUUM: 80” H2O 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: 27,3 × 18,4 × 24,7 cm (10 ¾ ”L × 7 ¼”W × 9¾ ”H)
  • AVERAGE dB: 78.2
  • WEIGHT: Approx 5,5 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
  • Factory calibration or calibration check recommended once per year.

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