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Testo Refrigeration System Analyzers

Testo’s RSA family is growing to meet your needs
with quality and performance for every budget.

NEW!

Testo 550 • 2-way aluminum valve block • Built-in magnifying sight glass • 2 NTC temperature probe inputs • 34 refrigerant profiles on-board Learn more >

Testo 557 With built-in vacuum gauge • 4-way aluminum valve block • Built in magnifying sight glass • 2 NTC temperature probe inputs • 39 refrigerants on-board • Built in vacuum gauge Learn more >

Testo 570 Printing, datalogging,
and reporting • 4-way aluminum
  valve block • 3 NTC temperature
  probe inputs • 39 refrigerants on-board • Record up to 72 hours
  of measurement values Learn more >

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Decide which Testo RSA is right for you!