美國EXTECH品牌風速計(Airflow Meters)：
型號如下：HD300;AN400;AN200;AN100;380340;45170;HD350;407113;407119;407123;451126 ;45118;45160
| HD300 - CFM/CMM Thermo-Anemometer with built-in InfaRed Thermometer Built-in IR Thermometer measures non-contact surface temperature | |
| AN400 - Cup Thermo-Anemometer Pocket size Air Velocity meter and Thermometer | |
| AN200 - CFM/CMM Mini Thermo-Anemometer with built-in InfaRed Thermometer Large display of Airflow or Air Velocity with built-in InfraRed Thermometer | |
| AN100 - CFM/CMM Mini Thermo-Anemometer Large display of Airflow or Air Velocity | |
| 380340 - Battery Operated Datalogger Universal datalogger with RS-232 interface and PC Software | |
| 45170 - Hygro-Thermo-Anemometer-Light Meter Pocket size rugged 4-in-1 meter for Humidity, Temperature, Air Velocity and Light | |
| HD350 - Pitot Tube Anemometer + Differential Manometer Measures Air Velocity/Airflow in difficult-to-reach or tight locations | |
| 407113 - Heavy Duty CFM Metal Vane Anemometer Anemometer for measuring temperature up to 175°F (80°C) and airspeed to 7880ft/min | |
| 407119 - Heavy Duty CFM Hot Wire Thermo-Anemometer Accuray measure Air Flow (CFM/CMM) or Air velocity plus °F/°C Temperature | |
| 407123 - Heavy Duty Hot Wire Thermo-Anemometer Airflow meter with escoping probe designed to fit into small openings | |
| 451126 - CFM/CMM Vane Anemometer Datalogger Datalogging vane anemometer measures Air Velocity, or Air Volume and Temperature | |
| 45118 - Mini Thermo-Anemometer Waterproof pocket size with Air Velocity, Temperature and Windchill | |
| 45158 - Mini Thermo-Anemometer with Humidity Waterproof pocket size with Air Velocity, Temperature, Relative Humidity, Dew Point, and Windchill | |
| 45160 - 3-in-1 Humidity, Temperature and Airflow meter Ergonomic pocket size housing, large dual LCD |
