- Replacement tip for 55500
- Features Mastercool's Heated Sensor technology
- Detects all Refrigerants (CFC's, HCFC's, HFC's)
The Mastercool 55500-SEN is a replacment sensor head for the Mastercool 55500. This sensor features Mastercool's Heated Sensor technology t odeliver fast and accurate results while eliminating non-refrigerant false alarms.