Guth Laboratories has developed high precision, all electronic simulators to calibrate and standardize preliminary and evidential breath analyzers used by law enforcement, DOT, NRB, and educational institutions. Guth Laboratories Inc., serving the international market, has available domestic and foreign alcohol breath test simulators and certified alcohol reference solutions used to establish standards. Guth Simulators are listed with UL (Underwriters Laboratories) and SCC (Standards Council of Canada). The model 34C is the only simulator certified for use in hospitals and clinics.

Guth Laboratories, Inc. also has available alcohol breath test accessories, supplies, and service, including fuel cell sensors, sanitary mouthpieces, the smallest hand carried preliminary breath tester (PBT).

			Dry Gas Cylinder With Guth Laboratories 30 plus years of experience in the breath testing field we are able to offer an exceptional product manufactured in an ISO accredited gas production facility. All standards are NIST traceable and approved by NHTSA. see more...
			Dry Gas Regulator Regulator designed for use with any Guth Labs Dry Gas cylinder. see more...