Repair & Service We appreciate the opportunity to assist you with the Maintenance of your Portable and Fixed Gas Detection! Our State-Of-The-Art Service Center Provides 24 Hour turn arround on 98% of incoming monitors. Please download the attached form, including directions to send your monitor back. If you have any specific questions – please feel free to reach one of our Technicians via phone at 636.583.9393 COMPLIMENTARY LOANER PROGRAMS AVAILABLE TO OUR MAINTENANCE CUSTOMERS. Download Customer Service Form