PROCON ELECTRONICS LD 102 Vehicle Loop Detector 11-26 VAC/DCPROCON ELECTRONICS LD 102 Vehicle Loop Detector 11 26 VAC DC The PROCON ELECTRONICS LD 102 is a compact, single channel inductive loop detector designed for vehicle access control systems. It detects the presence of vehicles by sensing changes in inductance caused by metal masses passing over or resting on an embedded loop. Key Features: Brand: PROCON ELECTRONICS Model: LD 102 Type: Single channel vehicle loop detector Power Supply: 1126 VAC DC Loop