Refrigeration System Analyzer Rentals

These Refrigerant System Analyzer rental instruments measure vacuum, calculate superheat/subcooling in real time, and can perform leak tests.

Testo 557

Refrigerant System Analyzer

Testo 557

With its dual temperature probe inputs the Testo 557 can simultaneously display subcooling and superheat measurements in real time. It is also capable of performing a leak test, measuring vacuum, and has a four valve manifold. There are also 40 built in refrigerant profiles that allow PT calculations to be performed automatically. The large backlit LCD display is easy to see and the instrument can run for up to 150 hours on 4 AA batteries. All Testo 557 rentals come with the standard accessories.

-14 to 725 psi
resolution 0.1 psi
accuracy ±0.5% FS
-58 to 302 °F
resolution 0.1 °F
accuracy ±1.0 °F
-1 to 0 bar
resolution 1 mbar
accuracy ±1% FS
  • Simultaneous superheat and subcooling real time measurements
  • Dual temperature inputs
  • Four valve manifold
  • Leak test mode
  • Large backlit display
  • Input power 4 AA batteries
  • Runtime 150 hours
  • Operating temperature 14 to 122 °F
  • Storage temperature -4 to 140 °F
  • Dimensions 11″ x 5.25″ x 3″
  • Weight 3 lbs
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  • Refrigeration System Analyzers
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