Basic function: DH-98 Hochiki, Detector for central air conditioning1
DH-98-I: Pipeline smoke detector using conventional Ion smoke detector SIJ-24DH
DH-98-P: Duct smoke detector using conventional optical smoke detector SLR-24DH
DH-98-HVI: High voltage wind pipe smoke detector using SIJ-24DH conventional Ion smoke detector
DH-98-HVP: High voltage wind pipe smoke detector using conventional optical smoke detector SLR-24DH
Up to 30 duct detectors can be connected together (all duct detector relays activate when one alarm is present) using the same source.
Sensors and limits the spread of smoke throughout the building's HVAC ductwork
Compatible with fire alarm system and building automation
Interchangeable
No need to clean with diaphragm or dust filter
Provides a method to test the detector without needing to disassemble it with a magnet
The back is designed with iron and the front is made of clear plastic
Designed according to UL 268A standard.
You can refer to products genuine fire alarm equipment...HERE
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