بادسنج پره ای مدل testo 410 testo 410 – Vane Anemometer The testo 410-1 pocket anemometer measures air flow and air temperature quickly, easily and accurately. The integrated 1.5 inch vane makes this economical air flow instrument ideal for fast air velocity measurement spot checks. The testo 410-2 handheld anemometer with humidity measures air flow, … ادامه خواندن بادسنج پره ای مدل testo 410