An anemometer is a device for measuring velocity of the air flow. CFM Vane Anemometer and CFM-CMM Thermo-Anemometer from Extech Instruments, HVAC ventilation air balancer, and HVAC digital analyzer and ventilation rate monitor from TIF Instrument.
Extech 407113 Heavy Duty CFM Metal Vane Anemometer features: Withstands temperatures to 175°F (80°C) and airspeed to 7880ft/min; Display Air Flow (CFM) or Air Velocity plus Temperature; Air Flow displayed in 3 modes: - Instantaneous value - Up to 20 point average or - 2/3 flow value; Built-in RS-232 PC Interface, etc.
Extech 407117 Heavy Duty CFM Mini-Metal Vane Anemometer features: Telescoping probe easily fits into high temperature ducts; Display Air Flow (CFM/CMM) or Air Velocity plus Temperature; 20 point averaging for airflow; Telescoping 0.5" (13mm)D metal mini-vane sensor extends up to 1.9ft (59cm) long; MIN/MAX readings; Data hold and Auto power off; Built-in RS-232 PC Interface.
Extech 407117-NIST- NIST Calibration Certificate –Heavy Duty CFM Mini-Metal Vane Anemometer features: Telescoping probe easily fits into high temperature ducts; Display Air Flow (CFM/CMM) or Air Velocity plus Temperature; 20 point averaging for airflow; Telescoping 0.5" (13mm)D metal mini-vane sensor extends up to 1.9ft (59cm) long; MIN/MAX readings; Data hold and Auto power off; Built-in RS-232 PC Interface.
Extech 407119 Heavy Duty CFM Hot Wire Anemometer features: Accurately measures Air Flow (CFM/CMM) or Air velocity plus °F/°C Temperature; Air velocity measurements as low as 40ft/min; Telescoping probe is ideal for use in ducts and ventilating systems; extends up to 4ft (1.22m) long; Built-in RS-232 PC Interface, etc.
