... 3.Support AC, DC 4.Save 60,000 data Hand-held wind speed and direction monitor Product Description: Have ... 2.Have real-time display system, connect the meter with the computer and show parameter curve on ... ,can look for the recorded data in the meter or computer .6. When the power failure, ... , the different probes socket are interchangeable9. The meter has 32 channels, can install 32 measurement at ...