The testo AC and Refrigeration System Analyzer (RSA) is easy to use yet provides the most accurate readings for set-up and service of all air conditioning/refrigeration systems and heat pumps. The instrument provides fast, real-time superheat and sub cooling readings.
Compact design, hardened housing and extremely convenient operation for ease-of-use, transport and setup.
- Real-time superheat and subcooling calculations
- Confidently charge at outdoor temperature down to 55°F
- 31 refrigerant profiles built in for automatic P/T calculations
- Digital readout of temperatures and pressures
- 2 NTC temperature probe inputs
- Accurate up to 580 PSI / max pressure up to 870 PSI
- Large easy-to-read back-lit display
- Vacuum indication
- Altitude compensation
- Magnified sight glass
testo 550 RSA Deluxe Kit Includes: testo 550, (2) clamp probes, batteries, certificate and hard carry case. Limited Time Special: $355.99