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MINI ANEMOMETER- PSYCHROMETER WITH CFM/CMM & ENTHALPY USER’S MANUAL DAF3009 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...
Return for Repair Policy ......15 INTRODUCTION Thank you for purchasing General Tools & Instruments’ DAF3009 Mini Anemometer-Psychrometer with CFM/CMM & Enthalpy.
The DAF3009 is a one-piece vane anemometer-psychrometer that can measure all parameters needed to install, test or fine-tune the performance of an HVAC/R system. KEY FEATURES • Measures: Ambient temperature Dew Point and Wet Bulb temperatures Wind Chill Index (WCI)
Fig. 2 shows all possible indications on the unit’s LCD. Fig. 1. The controls, indicators and physical structures of the DAF3009 A. Vane and sensor protection cap B. Vane C.
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A. Low battery icon B. Upper readout C. Air speed mode indicator D. Airflow volume mode indicator E. RH mode indicator F. Enthalpy mode indicator Fig. 2. G. Air speed units All possible display indications H. RH unit I. Enthalpy units J.
The backlight will turn off after 15 seconds if no front-panel button is pressed during that period. Pressing any button begins another 15 seconds of backlight. To power off the DAF3009, press and hold the button for at least 2 seconds.
Allow a few seconds for the reading to stabilize. The DAF3009’s factory default air speed measurement unit is feet/minute (ft/m). To change the air speed unit, begin by pressing the UNIT button. This will cause ft/m to begin flashing on the right side of the upper readout.
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When you press the UNIT button to save your preferred air speed unit, °F—the DAF3009’s factory default temperature measurement unit—will begin flashing on the right side of the lower readout. To keep °F as the temperature measurement unit, begin by pressing the UNIT button.
MODE button. Note that the term AREA now appears at the left of the lower readout. To calculate airflow volume, the DAF3009 must “know” the area of the grille or duct through which air is passing. Before entering that area, you should enter your preference for using the metric or Imperial unit for airflow volume—cubic meters/minute...
You can now measure the area of your grille and duct and enter it into the DAF3009. The meter can accept any area from 0.1 ft to 99.9 ft . Users of metric units must convert their cm measurements to ft before entering them.
The session begins when you power on the DAF3009; it typically ends 5 minutes after you finish making measurements with the activation of the APO function. The value of being able to quickly determine the fastest and slowest fans of a group, or the average of a group of fans, should be obvious.
Enthalpy is a measure of the amount of energy needed to change the state of a substance from a solid to a liquid or from a liquid to a gas. The most common application for the DAF3009’s enthalpy- calculating algorithm is measuring the enthalpy of vaporization of air in an HVAC/R system duct.
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Air Speed Measurement Resolutions: 1 ft./min (0.1 m/s) Temperature Measurement Range: 32° to 122°F (0° to 50°C) Temperature Measurement Accuracy: ±1.8°F (1°C) from 68° to 104°F (20° to 40°C); ±3.6°F (2°C) elsewhere in range Temperature Measurement Resolution: 0.1° Airflow Volume Measurement Range: 0 to 591,000 CFM (0 to 16,740 CMM) Relative Humidity (RH) Measurement Range: 0 to 100% RH Measurement Accuracy:...
6. Install the new battery so the side with the text and + marking faces up. Remove the battery if you do not expect to use the DAF3009 for an extended period of time (months or years). Replace the vane and sensor protection cap (Fig. 1, Callout A) following each measurement session.
General will extend your warranty an additional 60 days if you register at www.generaltools.com/ProductRegistry. This limited warranty does not apply to damages that General determines to be from an attempted repair by non-authorized personnel or misuse, alterations, normal wear and tear, or accidental damage.
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