GASTRON (Gas Detector System) Model GTD-2000EX - Explosion Proof Combustible Gas Detector Model GIR-3000 - Infrared Flammable Gas Detector Model GTD-2000TX - Explosion Proof Toxic Gas Detector Model GTD-5000F - Explosion Proof Type Sampling VOC Gas Detector Model GTD-5100F - Explosion Proof Type Sampling Flammable Gas Detector Model GTF-1100U - UV/IR Flame Detector Model BExCP3A / BExCP3B Series - Manual Call Point System Model ASC-100 - Safety Controller G-Finder Single Gas Portable Detector Model GTL-200 - Explosion Proof Type Sounder & Beacon Combination Sampler