F&J SPECIALTY PRODUCTS, INC.

- Model DFHV-1S - Digital Flow Meter High Volume (100 - 120 VAC)

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Model DFHV-1S 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 4 inch (102 mm) diameter filter holder. Options include an adaptor to convert from a 4 inch diameter opening to a 1.83 inch opening for standard combination filter holders (P/N: HV1SAP).

The DFHV-1S 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
  • 100 – 120 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°F to 122°F (-8°C to 50°C)
ULTIMATE VACUUM: 80” H2O at standard temperature, pressure and zero flow restriction
POWER REQUIREMENTS: 100 – 120VAC; 50/60Hz at 6 amperes; single phase
CIRCUIT BREAKER PROTECTION: 8 amperes
ELECTRICAL CORD: All temp, 3 wire 16 gauge
FLOW CONTROL: Electronic motor speed control
HANDLE: Durable metal/plastic
DIMENSIONS: 10 ¾ ”L × 7 ¼”W × 9¾ ”H (27.3 × 18.4 × 24.7 cm)
NOISE LEVEL: Average dB 83.3 @ 1 meter
WEIGHT: Approx 12 lbs. (5.5 kg)
INSTALLATION CATEGORY: Pollution Degree 2
ENCLOSURE RATING: IPX2
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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