HI-Q Environmental Products Company, Inc. products

The HVP-6000AFC-Series high volume air samplers are housed in a clear-anodized aluminum outdoor shelter. The unit incorporates a touch screen user interface with a maintenance-free, 2 or 3 stage centrifugal blower powered by a brushless, variable speed, maintenance-free motor. The speed of the motor is controlled by a programmable logic controller (PLC) that accepts a signal from a mass flow sensor mounted in the sample air flow stream. The touch screen displays the operator’s Pre-Set Flow Rate, Instantaneous Flow Rate, Total Volume of Air Sampled, Elapsed Sample Time, Barometric Pressure, and Ambient Temperature.

HI-Q Environmental Products Company’s steel constructed, two-component polyurethane painted Air Flow Calibrator (AFC) housings incorporate a precision machined venturi tube to create a pressure differential across a fixed orifice. By varying the air flow velocities, the pressure differentials are measured & recorded against a laminar flow element whose calibration is certified and traceable to the National Institute of Standards and Technology (N.I.S.T.). The AFC’s overall internal simplicity of operation reduces the frequency of re-calibration to once or twice per year depending on (individual) regulatory protocol. AFC-XX series air flow calibrators are intended to be used open to air.

HI-Q Environmental Products Company’s “FHA-Series” adapters are designed to reduce overall pressure drop found during the calibration of standard 4” diameter and 8” x 10” filter paper sampling applications. The FHA’s unique design reduces the overall paper to adapter fitting contact, thereby allowing the maximum obtainable free cross-sectional surface area through which unrestricted air can pass. This is done to duplicate the conditions of ambient air, open face, sampling procedure’s and to reduce the overall error in calibration.

Air Flow Calibrators are generally used to verify the displayed sample flow rate accuracy of complete air sampling systems. Along with the flow measuring device to be calibrated, it is recommended that a “Complete” system for calibration should also include the actual filter holder and filter media in order to duplicate realistic pressure drops experienced in a true sampling environment. The following adapters allow a technician to connect an Air Flow Calibrator at the end of (open to air) an “In-Line” High, Medium or Low Volume Air Sampling calibration set up.

Through the implementation of a baro-metric pressure sensor, thermocouple, precision machined venturi tube and differential pressure sensor, HI-Q’s D-AFC- Series microprocessor based air flow calibrators are used to measure, record, & display instantaneous flow rate (i.e.: CFM, LPM, or CMH), temperature (degrees C or F), and barometric pressure (“Hg or mm Hg). Through onboard calculations the user may also select to display the flow rate or total volume in “Standard Units” (ie: SCFM, SLPM, SCMH or SCF, SL, SCM). The total volume of air sampled is displayed (resettable) in standard and actual units.

The HFC-Series, HI-Volume Air Flow Calibrators, have eliminated the need for cumbersome orifice plates and water manometers. The HFC-XXC series units utilize a precision machined Venturi tube coupled with a pressure differential gauge giving a direct reading in the volumetric units of your choice (i.e. SCFM @ stp) . The unit is calibrated against an in-line N.I.S.T. traceable laminar flow element. The primary calibrator meets the requirements of MIL Std. 45662A. HFC-XX series units are intended to be used open to air.

The V-FLO-XX series units incorporate a flowmeter and a precision-machined venturi tube to create a pressure differential across a fixed orifice which floats the indicating ball in the flowmeter. By varying the flow velocities, the pressure differentials are measured & recorded against a laminar flow element whose calibration is certified and traceable to the National Institute of Standards and Technology (N.I.S.T.). The recorded volumetric flow units are then marked directly on the attached flowmeter scale. HI-Q’s V-FLO models are accurate within ±5% of full scale reading. The standard V-FLO-XX body is six inches long and threaded on both ends with 3/8” female NPT. The complete unit includes one male (outlet) & one female (inlet) 3/8” quick disconnect fitting. The V-FLO-XX, venturi flow meters are intended for in-line use.

This selectable 12/24 Volt DC Portable Power Source is an excellent source of power for emergency response or routine remote site VDC powered air samplers.

HI-Q Environmental Products Company’s adjustable height lab jack can be used in supporting & elevating air sampling equipment and calibration devices with an extension range between 3½” to 14”. The LABJACK’s sturdy frame can support equipment weighing up to 45 lbs. on its 6¼” x 7½” platform.