- Auto Lighting System[2]
- Emergency Tools[1]
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- Other Lights & Lighting Products[10]
- Speed Measuring Instruments[10]
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- Contact Person : Mr. Sun Micheal
- Company Name : Shanghai Nanhua Electronics Co., Ltd.
- Tel : 86-21-39126868
- Fax : 86-21-39126868--808
- Address : Shanghai,Shanghai,Building 9, No 1755, Wenbei Rd, Jiading District, Shanghai, China
- Country/Region : China
- Zip : 201802
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Specification
Supply voltage | DC12V-15V | Wind speed measuring range | 0~60m/s |
Measurement tolerance | (0.4+0.05 actual wind speed)m/s | Toggle speed | <0.5m/s |
Anti-wind strength | Max. wind resistance:≥60m/s | sensor output | RS232 |
Refreshing frequency | 1Hz |
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Ambient temperature | -30°C ~ +70°C | IP protection | IP65 |
Humidity | 10% ~ 95% (no coagulation) | Material | PC+ABS |
weight | 0.3kg |
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RS232 protocol
Baud rate: 300,8 bit,NOPARITY,1 stop bit
Definition of protocol: auto output 6 bit every second
0xAA | 0x03 | 0xXX | 0xXX | checksum | 0xZZ |
AA is the synchronous head, 0x03 is the length of message, the two word come next combined to one word, means the speed of wind,checksum = 0x0100-(0xXX+0xXX+0x03)check sum,0xZZ is the slack byte
2. For example: 0xAA 0x03 0x00 0x6A 0x93 0x01
Indicate: wind speed is 0x006A = 10.6m/s (data with binary number, transform to decimal system is the wind speed)
Checksum is 0x93=0x0100-(0x03+0x00+0x6A)
The picture below is the wiring method, blue wire is the ground wire, red wire to connect+12V power cable, green wire to connect RX signal cable.
wind meter