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Optional accessories include a tripod and ac adapter for continuous long-term monitoring. features: measures air velocity fpm, m/s, kph, mph and knots and air temperature contact temperature measurement with type j/k thermocouple option thermistor sensor for fast air temperature readings low friction ball-bearing, rotating vane probe ensures high accuracy readings real-time data logger with integrated sd memory card user selectable sampling rate from 1 to 3600 seconds easy-to-read backlit lcd display data hold and min/max functions tripod mount on probe and instrument for long-term monitoring low battery indicator and auto shut off package contents: data logging vane thermo-anemometer vane probe hard carrying case batteries","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"Gec","href":"/python/html6/menu_brand_products/1000/62000/menu_brand_products_Gec_1_45c38c3fa6.html"},{"label":"R4000SD","href":null}],"content":{"product":{"mpn":"R4000SD","manufacturer":"Gec","brand":"Gec","brand_url":"/python/html6/menu_brand_products/1000/62000/menu_brand_products_Gec_1_45c38c3fa6.html","title":"The r4000sd measures air velocity, air temperature and has a built-in contact thermometer. 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