Very Early Smoke Detection Apparatu
High-sensitivity air intake sensing
VESDA Laser Compact (VLC-505) | |||
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Type approval 11-15 (Analog type, 1 air intake input, air pipe maximum length 50m) | |||
Ambient temperature |
0 ~ 39℃ | color | Gray |
Relative humidity | 0 to 95% | Size | 225(W) X 225(H) X 85(D)mm |
Rated voltage | DC 24V | IP rating | 30 |
Current consumption | Monitoring 225mA / Alarm 245mA | Weight | 1.9kg |
Detection method | A method of measuring the scattering of light in a laser chamber by sucking smoke particles through an air intake pipe | Accessory material | VSP-005 (Filter) / VSP-515 (Terminaion Card) / VSP-501 (Aspirator) |
Sensitivity range | 0.005 to 20% obs/m | Threshold Setting Range |
Bounding 0.005% ~ 1.990% obs / m Execution 0.010% ~ 1.995% obs / m Fire 0.015% ~ 20.00% obs / m |
※ The VLC-505 / Laser Compact detector can install one air intake pipe and LED lamp on the front side to visually check the fire phase, normal or error status.
Real-time measurement of "current smoke concentration in the air" using a pipe network "Active" early detection of signs of fire Early detection of smoke.
Comparing VESDA and existing fire detectors | |||
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Division | Existing fire detector | ||
General detector | Analog detector | ||
Sensitivity (%/m) | 4 to 10 (% / m) | 3 to 8 (% / m) | 0.005 (% / m) |
Fine smoke detection | X | X | X |
Alarm classification | Simple alarm | Multi-level (2) Alarm | Multi-level (3 ~ 4) Alarm |
Data Management | No function | No function Data storage Data storage, transmission | Data storage, transmission |
Environmental conditions (high / low temperature) | Influence | Influence | Influence Influence Influence Influence |
Equipment life | 5 to 10 years | 5 to 10 years | More than 10 years |
Fire Alarm Point | General Location: Fire Progress Stage | General Places: Fire Progress Stage | General Places: Early Stage of Fire |
Air-conditioning system: Fire spreading stage | Air-conditioning system: Fire spreading stage | Air-conditioning system: Early stage of fire | |
Maintenance | 5 ~ 10 years | Failure check failure | Failure Self diagnosis |
Automatic environment calibration technology | X | X | Notify operator of dust, humidity, air flow, etc. |
Adjust sensitivity depending on environment | X | X | Adjustment of random sensitivity according to the application place of clean room, factory, etc. |
Adjust sensitivity depending on environment | X | X | Sensitivity can be set according to day / night environment |