| Working principle | laser backscattering measurement |
| Determination of object | Industrial waste gas, dust |
| Mechanical properties | Shell: Full Metal Jacket |
| Appearance size:205mm×160mm×160 mm (H×W×D) | |
| Weight:2 kg | |
| Protection grade:IP66 | |
| Optical properties | working wavelength:(650±20)nm |
| Performance measurement | Measuring range:(0~100,500,1000,2000,4000)mg/m3, Can be set |
| Zero drift:±2%F.S./24h | |
| Span drift:±2%F.S./24h | |
| Error of indication:±2% F.S. | |
| Response time:≤ 10s | |
| Duct diameter:(0.7~20)m | |
| Power requirements | DC24V/0.3A |
| environmental working conditions | Working temperature: -20℃~50℃ |
| Interface characteristics | Analog output: (4 ~ 20) mA |
| Digital interface: RS485 | |
| 1 way relay output: alarm indication (LSS2004-A type) relay ratings:2A 30VDC |
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| 4 analog input: integrated temperature, pressure, flow and other parameters, and converted into digital output. |