Testifire 2001 Smoke, Heat and CO Detector Test SetTESTIFIRE2001 001: The Testifire 2001 is a professional multi stimulus fire alarm detector tester designed to support efficient functional testing of smoke, heat, and combined detectors. The TESTIFIRE2001 001 is used by fire alarm engineers, maintenance contractors, and facilities teams who need consistent, repeatable testing without contaminating detectors or disrupting occupied buildings. Its single cordless testing head reduces equipment changes on