Mastercool 52246 Compact Superheat Subcool Calculator
Mastercool 52246 Compact Superheat Subcool Calculator. Pre-programmed with 37 common refrigerants (R-410A is one!). Clamp-on K-Type thermocouple included to achieve accurate temperature measurementACHIEVE SUBCOOL OR SUPERHEAT READINGS IN 3 EASY STEPS...1.) Enter refrigerant2.) Enter pressure from gauges3.) Clamp thermocouple on proper tube