Last month, this column focused on the available types of leak testers, as well as supplier relationships. This month’s primer will continue with “must-ask” questions that should be answered before making a decision on a leak tester.
Resolution. When evaluating leak testers, there may be claims such as 0.0001-psi resolution. Be aware that this refers to an individual component—the analog-to-digital (A-to-D) converter stated in pounds per square inch.