GM8904 BENETECH Handheld Anemometer is used to agree on the communication protocol between the anemometer (lower computer) and the host computer (computer or smart device).GM8904 Anemometer price is available in sensotech website.
Working current
| unit |
Minimum |
Typical value |
Maximum |
| mA |
7 |
8 |
10 |
| Operating Voltage |
| unit |
Minimum |
Typical value |
Maximum |
| V |
3.6 |
5 |
9.5 |
Wind speed measurement error
| unit |
Measuring range |
Resolution |
Threshold |
Accuracy |
| m / s (m / s) |
0 ~ 4 5 |
0 .1 |
0. 8 |
± 3% ± 0. 1 dgts |
| ft / min (feet per minute) |
0 8 8 0 0 |
19 |
157 |
± 3% ± 1 0dgts |
| knots (nautical miles / hour) |
0 ~ 8 8 |
0. 2 |
1.6 |
± 3% ± 0. 1 dgts |
| km / hr (km / h) |
0 ~ 1 4 0 |
0.3 |
2.9 |
± 3% ± 0. 1 dgts |
| mph (miles / hour) |
0 ~ 1 0 0 |
0.7 |
1.8 |
± 3% ± 0. 1 dgts |
| Air temperature measurement error |
| unit |
Measuring range |
Resolution |
Accuracy |
| ℃ |
-1 0 ℃ ~ 50 ℃ |
0.2 |
± 0.2 ± |
| ° F |
14 ° F ~ 122 ° F |
0.36 |
± 3.6 ° F |
Communication interface
| Interface definition |
| Account |
DC power input (3.6 ~ 5V) |
| green |
RXD |
| white |
TXD |
| black |
GND |
