Vane Digital Anemometer:
Features:

Price:
Power Supply : 9V battery
Mounting Type : Handheld
Usage : Field and laboratory measurement of air flow
Application : Measurement of air velocity, flow and temperature
Features : Hold function, Min/Max/Avg value memory, Auto power off
Response Time : Approx 1 second
Power Supply : BatteryPowered
Mounting Type : Handheld
Usage : Environmental Monitoring HVAC System Testing Light and Sound Measurements
Application : Air Velocity Humidity Temperature Light and Sound Measurement
Features : 5in1 multifunctional meter Lightweight and Portable Design Large LCD Display Fast Response Time
Response Time : Fast Response
Power Supply : Battery powered
Mounting Type : Handheld
Usage : Measurement of air velocity and air flow in various environments
Application : Air velocity and air flow measurement
Features : Portable Compact Easy to use
Response Time : Fast response time not explicitly stated in image
Power Supply : 3V CR2032 Battery
Mounting Type : Handheld
Usage : Portable device for environmental measurements
Application : Airflow and weather monitoring
Features : Measures wind speed temperature humidity and light levels
Response Time : Instantaneous