550-1 RSA Basic Kit

Testo AC and Refrigeration System Analyzers (RSA)

are easy to use yet provide the most accuratereadings for set-up and service of all air conditioning/refrigeration systemsand heat pumps. These instruments provide fast, real-time superheat and subcooling readings. Models 556 and 560 have great time saving features likedata logging and wireless probes. TestoåÕs RSAåÕs are truly your digitalwindow into the system!

KEY POINTS ( testo550)
å¥ Real-time superheat and subcooling calculations
å¥ Confidently charge at outdoor temperature down to 55°F
å¥ 31 refrigerant profiles built in for automatic P/T calculations
å¥ Digital readout of temperatures and pressures
å¥ 2 NTC temperature probe inputs (1probe std)
å¥ Accurate up to 580 PSI / max pressure up to 870 PSI
å¥ Large easy-to-read back-lit display
å¥ Vacuum indication
å¥ Altitude compensation
å¥ Magnified sight glass

 

KEY POINTS ( testo 557)

å¥ Robust valve block with 4 connections and built in sight glass

å¥ 2 temperature probe inputs for simultaneous real-time calculation of superheat and subcooling

å¥ Compact design for ease of use, transport and setup

å¥ Large easy to read back-lit display

å¥ Robust housing that protects the analyzer

å¥ 40 Refrigerants stored eliminating the use of PT charts

*The following 40 refrigerants come pre-loaded in the Testo 557.

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R12	R404A	R416A	R434A
R123	R406A	R417A	R437A
R1234YF	R407A	R420A	R438A
R134A	R407C	R421A	R502
R22	R408A	R421B	R503
R290	R409A	R422A	R507
R401A	R410A	R422B	R600
R401B	R411A	R422D	R600A
R402A	R413A	R424A	R744 (CO2)
R402B	R414B	R427A	R718 (water