YZ Systems is a manufacturer of natural gas sampling, odorization and detection equipment. Beginning in 1990, YZ introduced their odorant injection system. Soon after followed the family of skid-mounted systems complete with an injection pump, an odorant meter, a low-powered microprocessor controller, complete with audit-trail and performance software.

	YZ also manufactures the DTEX odorant level detection system. The DTEX system integrates the human nose (the only instrument in the world that can truly smell) with the most advanced electronics available to create and implement a complete odorant level-testing program.
DTEX