TASI TA642 series TA642A TA642B TA642C Portable Digital Wind Speed Meter Air Volume Tester

Features:
1. Multiple measurement functions, can switch between different measurement units
2. 8 wind blades design, with low-friction high-precision bearings, more responsive
3. 1000 sets of data can be recorded and viewed directly on the machine; TA642B can export and generate charts by communicating the data recorded by the host computer with the computer software via USB interface
4. Upper and lower alarm thresholds can be set, when the measurement is higher or lower than the set threshold, the screen red background light is on and the measured value flashes alarm prompts
5. VA high-definition color screen display, with background lighting