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location：Home>Product>Road Weather Information System>Light Transmittance Meter>Flue dust transmittance detector
Flue dust transmittance detector
Model：FT-YGT1
Brand：fengtu
1.Flue dust transmittance detector measurement principleThe detection light crosses the flue, and the single optical path measurement system consists of two parts: the transmitter and the receiver. A high-brightness LED light source is installed in the transmitter, which emits a light beam through t
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1.Flue dust transmittance detector measurement principle
The detection light crosses the flue, and the single optical path measurement system consists of two parts: the transmitter and the receiver. A high-brightness LED light source is installed in the transmitter, which emits a light beam through the diffuser and then through the flue, projecting it onto the focusing lens in the receiver and focusing it on the measuring detector; the other part is directly focused on the reference detector. By calculating the ratio of the signal intensity obtained on the two detectors, the light transmittance or light opacity value can be obtained, from which the light transmittance (or light opacity) and dust concentration value can be obtained.
2. Main features of Flue dust transmittance detector
Direct continuous measurement
Small size, light weight, compact structure
Directly display light transmittance or opacity
With lens contamination monitoring and compensation device
Automatic calibration and manual calibration, convenient and flexible
Measuring path 0.5-5 meters
With air purge passage
Long life LED signal light source
No moving parts - low maintenance
Easy installation and debugging
3. Flue dust transmittance detector technical parameters
| How it works | Crossing the flue, single light path transmission |
| light source | High brightness LED |
| Response time | 3 seconds to reach 98% of the final value |
| Measuring range | Light transmittance 0-99.99% |
| Resolution | 0.01% |
| Detectable gas | Smoke, fumes or related dusty gases |
| Optical path length | 0.3-2m standard (other lengths can be customized) |
| Average time | 1-59 seconds |
| Calibration and calibration | Manual calibration and calibration (with calibrator) |
| show | LCD display |
| Analog Output | 4-20mA current loop |
| Digital Output | RS485/232 |
| Relay output | Two-way switch output (alarm value setting) |
| Operating temperature | -20－50°C |
| Operating humidity | 0-99% (non-condensing) |
| Supply voltage | 220VAC; optional 12, 24VDC |
| Power consumption | Maximum transceiver system 18W |
| vibration | 2Hz-60Hz, maximum amplitude 2mm |
| Housing Material | Die-cast aluminum |
| Protection level | IP67 |
Address:https://www.fengtusensor.com/Light-Transmittance-Meter/Flue-dust-transmittance-detector.html
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