The Testifire was the 1st multicriteria detector tester that you can buy. It makes testing both equally one and multi-sensor detectors more simple and more efficient. Testifire 1001 checks sensors by producing heat and smoke, as well as the Testifire 2001 tests sensors by producing warmth, smoke, and carbon monoxide https://angelotkyna.oblogation.com/33214417/5-simple-statements-about-testifire-fire-alarm-testing-gear-explained