The 660 detector is a solar blind IR detector. It can be set for high speed or standard speed detection.
IR 660 Detector
The 760 detector is a solar blind IR5 detector, using 5 IR bands for sensitive but versatile detector. It can be set for standard, intermediate or long range (up to 60 meters) detection ranges. It can detect hydrocarbon and hydrogen fires.
Multi-Spectrum IR 760 Detector
The 860 detector is available in two versions, standard UV/IR for hydrocarbons, or UV/IR2 for additional detection of silane, hydrogen and hydrazine fires.
UV/IR 860 Detector