Quick view RAE Systems RAE Systems RAEGuard 2 PID Compare PN#D03-0009-000: Kit, RAEGuard 2 PID, UL, 0.01 - 100 ppm isobutylene (C4H8) equivalent The RAEGuard 2 PID Fixed Detector for VOC’s The RAEGuard 2 PID is a fixed photoionization detector (PID) that measures a broad range of volatile...