Beijing Topsky Century Holding Co.,Ltd
Mission:To let the world more safer. Technical route:To solve the problem of traditional security with non-traditional technology. Customer groups:Public security and production safety
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60m distance detection drone use laser module methane
1. Long-distance detection: meet the methane and methane-containing gas leakage detection at a distance of 60 meters
2. Anti-cross interference: specific laser detection, only reacts to methane gas, not affected by environmental conditions
| Specification | Min value | Typical value |
Max. Value |
Unit | ||||||
| Storage temperature | -40 | - | 70 | ℃ | ||||||
| Operating temperature | -20 | - | 50 | ℃ | ||||||
| Working humidity | - | - | 98 | % | ||||||
| Working pressure | - | 101 | - | kPa | ||||||
| Concentration range | 0 | - | 90000 | ppm·m | ||||||
| Effective distance measurement | 0.5 | - | 60 | m | ||||||
| Basic error | ±10%@1000ppm·m | |||||||||
| Minimum resolution | 1 | ppm·m | ||||||||
| Communication Interface | ||||||||||
| TTL3.3V | Baud rate | - | 9600 | - | baud | |||||
| Indicating photoelectric performance | ||||||||||
| Operating Voltage | 2.7 | 3.3 | 5 | V | ||||||
| Working current | - | 50 | - | mA | ||||||
| Signal light electrical performance | ||||||||||
| Operating Voltage | 3.2 | 3.3 | 3.4 | V | ||||||
| Working current | - | 140 | 200 | mA | ||||||
| Optical parameters | ||||||||||
| Detection light | Near infrared (1653nm) laser safety class Class I | |||||||||
| - | 20 | 30 | mW | |||||||
| Indicating light | Green light (532nm) laser safety class ClassⅢR | |||||||||
| - | - | 5 | mW | |||||||
| Dimensions | ||||||||||
| L*W*H (max size) | 8*6*4 | cm | ||||||||
Use RTU mode, the device is a slave, the initial number of the slave is 0x01, the communication rate is 9600, 8-bit data, 1-bit stop, no parity.
1 Send the read command
Host sends reading module 01 Concentration command format:
| byte | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Description | Address | function code | Register address | Number of registers | CRC | |||
| Message | 01 | 03 | 00 | 01 | 00 | 02 | 95 | CB |
The message format returned by the module:
| byte | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Description | Address | function code | Number of bytes | Return data | CRC | ||||
| Message | 01 | 03 | 04 | 00 | 00 | 12 | 34 | F7 | 44 |