A2L Compatible the TIF XP-1A is suitable for use with mildly flammable refrigerants such as R32 and R1234YF. Featuring a mechanical pump that ensures that moving air from the immediate environment is continuously flowing over the sensing tip for it to sample. The sensing tip is monitored by the microprocessor 4000 times a second and can detect leaks down to 3g of refrigerant per year. The kit comes complete with 2 sensors (each with a 20 hour life), a hard carry case and a three year warranty. Detects all halogenated refrigerants Variable frequency audible alarm 14” Flexible stainless steel probe with Teflon™ liner Constant power indication