Model Number: 100RU Item Number: 1430110 Easy set up and alignment Single compact housing Calibrated obscuration test filter included 3 selectable alarm thresholds: 25%, 35% or 50% Microprocessor...
Model Number: 50RU Item Number: 1430100 Easy set up and alignment Single compact housing Calibrated obscuration test filter included 3 selectable alarm thresholds: 25%, 35% or 50% Microprocessor...