Description Specifications Literature Video Description The TSI Alnor® Velometer® Thermal Anemometer AVM440 is an all-in-one meter capable of multiple functions. The easy to operate AVM440 includes the straight probe compact package. HVAC system performance, commissioning, plant maintenance, critical environment certification and duct traverses are ideal applications for the AVM440 instrument.Included Items Instrument with straight probe Hard carrying case 4 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:0 to 6,000 ft/min (0 to 30 m/s)Accuracy:±3% of reading or ±3 ft/min (±0.015 m/s), whichever is greaterResolution:1 ft/min ( 0.01 m/s) Duct Size Dimensions:1 to 250 inches in increments of 0.1 in.(1 to 635 cm in increments of 0.1 cm) Volumetric Flow Rate Range:Actual range is a function of velocity, and duct size Temperature Range:14 to 140°F (5 to 60°C) Accuracy:±0.5°F (±0.3°C) Resolution:0.1°F (0.1°C) Literature & Docs Videos TSI Alnor Velocicalc Instrument Set up for a Duct Traverse | FLW, Inc Performing a Duct Traverse Using TSI Alnor VelociCalc | FLW, Inc. Accessories