An aspirating detector monitors the protected space continuously by passing air through a pipe into the laser detector chamber. There it is an accurate measurement of air haze leading to a very fast and accurate detection.
Dafo has several models of aspirating detectors:
Aspirating detector with four connections for the sample tube. Up to 200 meters of pipe can be connected.
VESDA Laser Focus 500
Corpses VESDA Laser Focus 250 but has a powerful fan and can handle up to 50 meters sample tube.
VESDA Laser Focus 250
Intended for smaller installations. VLF-250 has the same sensitivity and high accuracy as VESDA Laser Plus.
Contact us for more information.