Check the listing for details. Dwyer Series 470 Thermal Anemometer Unknown Condition. As is Pick One Read Disc. Condition: Used. Listed at 19.99 USD. Cost is for 1 of the 3 Buyers choice if still available. Please specify what one you wish to purchase I don’t know anything about these so don’t know their working status Sold AS-IS This Dwyer Series 470 Thermal Anemometer is perfect for those in need of a reliable tool for measuring air flow and anemometer. The brand, Dwyer, is known for producing high-quality instruments, and this one is no exception. It is suitable for use in various settings, including business and industrial environments. The anemometer is designed to accurately measure air flow, making it an ideal tool for those in the HVAC industry. It has been well-maintained, and its functionality is not affected by its unknown country/region of manufacture. This item is a great pick for those who need a reliable and efficient tool for measuring air flow.