The Model 451189 thermo-anemometer displays both air flow or air velocity and temperature in CFM or CM units with up to eight-point averaging for both flow and velocity. Air velocity measurements are displayed as 80 ft./min. to 6,900 ft./min. The instrument's remote vane sensor comes with a 39" coiled cable. Temperature measurements range from 14°F to 122°F with a resolution of 0.1°F and an accuracy of 1°F. Other features include minimum, maximum and average readings, data hold, auto power off, and low-battery indication. With a battery and carrying case, price is $199.
Company: EXTECH INSTRUMENTS CORP.
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