BK Precision 731A Anemometer

Features: Measurement units: Knots, MPH, KPH, m/ sec, ft/ min Auto power off Data Hold MIN/ MAX/ Average Back light display CE approved Plastic vane The B& K Precision model 731A is a mechanical vane on retractable cord anemometer designed to measure airflow and air temperature. Includes: 9V Battery Instruction Manual Specifications: Units of Measure: ft/ min, m/ s, 0 F, 0 C Airflow Range: 80-5900 ft/ min. ( 0.4 ~ 30 m/ sec) Temperature Range: 14 0 ~ 122 0 F ( -10 0 ~ 50 0C) Resolution: 1 ft/ min ( 0.01 m/ sec) : 0.1 0 F ( 0.1 0C) Accuracy: + -2% FS; + - 1.0 0 F ( + -0.6 0C) Operating Temp. & Humidity: 32 0 ~ 122 0F ( 0 0 ~ 50 0C) & 10~ 90% RH Storage Temp: 4 0~ 140 0F ( -20 0~ 60 0C) Power Supply: 9V NEDA 1604 Battery Battery Life: Approximately 50 hrs ( Alkaline) Dimensions ( LxWxH) : 7.13x2.8x1.5' ' ( 181x71x38mm) Weight ( including battery) : 12.4 oz. ( 350g)