Multi-function hot-wire anemometer with telescopic, articulating probe Anemomaster now comes in Professional and Standard versions. The Professional model has built-in datalogging and a PC communications cable. The Standard is a affordable alternative for the contractor seeking an economical, but still highly accurate instrument. The articulating probe has been improved with enhanced durability. The new design flexes easily and will last for many years. The telescoping feature of the probe makes it easy to take traverse measurements at ceiling ducts and other hard to reach places. TM HVAC Testing Facility Maintenance Critical Environment Certificate IAQ Investigations Sleek, ergonomical design with an anti-slip grip and highly visible backlit display. Airflow rate calculation based on registered duct size Research quality at a contractor-friendly price. Generous datalogging capacity and the USB interface makes it easy to upload to your PC or laptop (up to 1500 records, only for Model 6036). Now equipped with an automatic atmospheric pressure compensation function for precise airflow measurement Telescopic, articulating probe simplifies the measuring process. Simultaneously measures and displays air velocity, air temperature, airflow rate, and pressure. Extended 2 year warranty. Hands-free Case now available! Windows 7 compatible software is included. Optional hands-free carrying case is available. Includes telescopic probe with 79 in (200cm) cable, Data processing software, USB cable, AC adapter, 6 pcs. AA batteries, carrying case, and NIST Certificate Telescopic, articulating probe Data Proces