gas tester

The orange box in the middle of the picture is a gas tester which can help ensure the safety of workers.

In mud logging, instruments such as gas testers and analyzers are used to detect the presence of gas or oil in the drilling fluid.

Every applicant for a certificate of competence as a first class coal mine manager is required to be the holder of a current gas tester certificate.

As part of the refresher course, he was fitted for a respirator, learned about gas testers and other new diagnostic equipment, and was retrained in advanced first aid, including CPR.

The case grew out of recent cases in Milwaukee and elsewhere in which businesses sold military and aircraft parts, computer supplies and gas testers to Iran in violation of bans.