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LDM-100(D) is an in-situ dust analyzer based on the laser backscattering principle, which is mainly used to measure smoke and dust within the conventional ranges.
LDM-100(D) is an in-situ dust analyzer based on the laser backscattering principle, which is mainly used to measure smoke and dust within the conventional ranges.
Principle
This monitor adopts the laser backscattering principle to measure the dust concentration. The embedded laser signasource traverses the flue and irradiates the dust particles. in this process, the irradiated dust particles will reflect laselsignals. And the detector can calculate the concentration of the dust based on a specific algorithm by detecting theintensity of the reflected laser signal.
| Measuring Type | In-situ |
| Principle | Laser backscattering |
| Flue Diameter | 0.8~20m |
| Range | 0~100mg/m³ to 0~2000mg/m³ (Customisable) |
| Lower Detection Limit | 2mg/m³ |
| Zero Drift | ≤±2%F.S./24h |
| Span Drift | ≤±2%F.S./24h |
| Precision | ≤±1%F.S. |
| Response Time | ≤10s |
| Working Temperature | -20~+50℃ |
| Flue Temperature | 0~400℃ |
| Power Consumption | 24V DC 0.3A |
| Inst. Air | 100L/min |
| Alarm Output | Dry contact |
| Signal Output | 4~20mA, RS485 |
| Calibration Method | Manual |
| Enclosure Rating | IP66 |
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