F&J Specialty Products, Inc.

- Model DFHV-1DTS - Digital Flow Meter High Volume Air Sampler (100 - 120 VAC)

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Model DFHV-1DTS digital high volume air samplers provide a durable brushless motor with the sim-plicity 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 and automatic flow control. The brushless motor eliminates the need to change brushes every 500 hours as required by brush type motors. Various factory settable flow and volume engineering units are available for selection. The pump is mounted on a rigid base with non-skid rubber feet. The air sampler is supplied with a 4 inch (102 mm) diameter filter holder. Other custom filter holder dimensions can be provided upon request. The DFHV-1DTS air sampling system is designed for periodic or continuous indoor use. Please con-sult 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
  • 100 – 120 VAC, 50/60Hz; single phase
  • Brushless motor (1000 watts)

  • PUMP TYPE: Three-stage, dual ball-bearing tan-gential discharge, type brushless motor with an independent cooling system. The motor has thermal overload protection.
  • POWER: 1000 Watts
  • MAXIMUM MOTOR CAPACITY: 110.6+ m3/hr at 760 mm Hg and 20ºC (Free Air Flow). Actual flow rate achievable will depend on the filter media utilized
  • HUMIDITY OPERATING RANGE: 0 – 95% RH (non-condensing)
  • TEMPERATURE OPERATING RANGE: 18°F to 122°F (-8°C to 50°C)
  • ULTIMATE VACUUM: 121.9” H2O at 28.40” Hg and 76ºF and zero flow restriction
  • POWER REQUIREMENTS: 100 – 120VAC; 50/60Hz at 9.2 amperes; single phase
  • CIRCUIT BREAKER PROTECTION: 12 amperes
  • ELECTRICAL CORD: All temp, 3 wire 16 gauge
  • FLOW CONTROL: PWM Electronic motor speed control
  • HANDLE: Durable metal/plastic
  • DIMENSIONS: 13.8 ”L × 9.2”W × 11.0 ”H (35.1 × 23.3 × 27.9 cm)
  • WEIGHT: Approx. 16.75 lbs. (7.59 kg)
  • INSTALLATION CATEGORY: Pollution Degree 2
  • DIGITAL FLOWMETER DISPLAYS:
    • 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.

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