GasTech, Gas Detectors, models:

Cannonball 3	Dilution Manual
D-Guard	Manual
D-Guard2	Operator'S Manual Instruction Manual
D-Guard2S	Operator'S Manual
F-GUARD UVIR	User Manual
F-Guard-IR3-H2	User Manual
F-Guard-IR3-H2-HD	User Manual
F-Guard-UV-IR-F-HD	User Manual
F-Guard-UV-IR-HD	User Manual
G-Shield Fire	Instruction Manual
GTD2000-Tx	Operator'S Manual
GTF220	Manual