Description Specifications Literature Accessories Description The Alnor® Rotating Vane RVA501 is a handheld digital rotating vane anemometer that measures air velocity, air volume, and temperature in imperial or metric units. The RVA501 is an essential tool for measuring unevenly distributed or fluctuation flows through heating and cooling coils, diffusers, grilles, and filters due to the four-inch (100mm) head which automatically averages velocity and volume readings. Sweep mode quickly and reliably provides one averaged reading of velocity or volume over a large measurement area. The RVA501 model has a detachable head that makes taking measurements in tight space more convenient. Its optional telescoping probe provides safe access to hard-to-reach locations and its data logging capability allows storage of more than 12,700 readings. Ideal applications include heating and cooling coil analysis, diffuser and grille measurements, indoor air quality tests and filter face velocity measurements. Items Included Instrument Carrying case Alkaline batteries USB cable and downloading software Operation and service manual NIST calibration certificate State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Velocity Range:50 to 6,000 ft/min (0.25 to 30 m/s) Accuracy:±1.0% of reading ±4 ft/min (0.02 m/s) Duct Size Range:0 to 173.6 ft² (0 to 16m²) Volumetric Flow Rate Range:Actual range is a function of velocity and duct area Temperature Range:32 to 140°F (0 to 60°C) Accuracy:±2.0°F (±1.0°C) Resolution:0.1°F (0.1°C) Literature & Docs Operation and Service Manual Product Specifications Accessories TSI Alnor Air Cone Kit 801750 $280.00 Was: Now: $252.00 In Stock Add To Cart View More TSI Alnor RV Telescopic Rod 801748 $174.00 Was: Now: $156.60 In Stock Add To Cart View More