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Amprobe 溫溼度風速計-TMA 40A
The Amprobe TMA40A provides three measurements in one: Air Velocity or volume, Relative Humidity and Temperature. With three ways to view your measurement results. Choose between single point measurement, multiple points up to 99, or the added feature of data logging up to 2400 data points. User sets the measurement interval time from 1 to 200 seconds. The TMA40A has a flexible cord to position vane where you need to measure. For accurate CFM results, the user simply inputs the area of the air source. TMA40A ships with RS232 interface cable, Software CD, hard carrying case and user manual.
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Three measurements in one meter.
Air velocity (FPM) or air volume (CFM), RH, Temperature.
Large backlight digital display.
Flexible measurement vane for accessing difficult areas.
RS-232C Output for data result usage.
Measure multiple points up to 99.
Data Logging of Measurements, 2400 data points.
Set display results for Metric or English.
| Function | Range | Resolution | Accuracy |
| Air velocity | 0.4 m/s → 32 m/s | 0.1 m/s | +/- 3 % |
| Air volume | .0 → 99999 (cfm/cmm) | 0.1 CMM - 1 CFM | +/- 3 % |
| Temperature | -4 °F → 158 °F (-20 °C → 70 °C) | 0.1 °F (0.1 °C) | +/- 0.6 % |
| Relative humidity | 0 → 100 % | 0.1 % | +/- 3 % @ 77 °F (25 °C) |