- Model DFHV-200 - Digital Flow Meter High Volume Air Sampler (100 - 120 VAC)


The DFHV-200 (120VAC) and the DFHV-200E (230VAC) Digital Flow Meter Series air samplers are high volume air samplers with a two stage, thermally protected electric motor driven vacuum blower and a 7-foot long electrical cord. The motor driven blower is contained in a very durable lightweight plastic polycarbonate housing with a sturdy stable base, having non-skid rubber feet. The flow rate is adjustable by use of a motor speed controller.

The DFHV-200 series has a bright LED display for flowrate, elapsed time and accumulated volume and a four button keypad.

Various flow and volume engineering units are available for selection.

  • State-of-the-art Microprocessor Controlled Electronics
  • Accurate flow sensor
  • Flow rate and Volume totalizations displayed are corrected to a factory settable Reference Temperature and Pressure (4 options available)
  • Very accurate elapsed time meter
  • Very durable polycarbonate plastic housing
  • Lightweight 14.4 lbs. (6.5 kg)
  • Variable speed control up to full flow
  • Thermally Protected Motor
  • Powerful 3 H.P. dual ball bearing tangential discharge brushed vacuum blower
  • Bright LED display
  • Standard 4-inch (102 mm) diameter filter holder; also accommodates optional 110 mm, 125 mm, 140 mm and 150 mm filter holders

Pump Type: Three stage, through flow, dual ball bearing 3.0 H.P., tangential discharge brushed vacuum blower motor.
Maximum Motor Capacity: 120 CFM at 29.92” Hg at 68ºF (Free Air Flow); Flow rate achievable with filter media will depend on the air flow resistance of the filter media utilized.
Power Requirements:
    DFHV-200 100-120VAC; 50/60Hz; single phase
    DFHV-200E 200-240VAC; 50/60Hz; single phase
Power Cord: 5’8”; 14 gauge, 3 conductor
Circuit Breaker: 20 amp (able to reset)
Flow Control: Variable Speed up to full flow
Noise Level @ 1 meter: ~96dB (max rpm )*
Dimensions: 19” L x 16” H x 10.25” D (48.2cm L x 40.6cm H x 51.4 cm D)
Weight: 14.4 lbs (6.5 kg)
Handle: Durable plastic/built into housing
Particulate Holder: A durable plastic 4-inch (102 mm) diameter holder is standard
Digital Flowmeter Displays:
    Flowrate: Corrected to STP
    Elapsed Time: hhh;mm
    Volume: Corrected to STP

Model FJ-125MM – 125 mm Diameter, Aluminum
Model FJ-140MM – 140 mm Diameter, Aluminum
Model FJ-150MM – 150 mm Diameter, Aluminum
Model FJ3104P Combination Filter Holder Holds 3.4”D × 1.2”H charcoal filter and 4” (102 mm) diameter filter paper

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