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Testo 552 Digital Vacuum Gauge for the Evacuation of Refrigeration Systems

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The latest edition to testo's range of refrigeration instruments includes the 552 Digital Vacuum Gauge. This reliable vacuum measuring instrument is able to evacuate refrigeration systems and heat pumps quickly and easily, delivering highly accurate information about a system's degree of dehumidification and the removal of foreign matter (oils, foreign gases, etc.). 

The testo 552 provides highly accurate measurement results without battery replacement for up to 100 days, and a sensor that does not need to be serviced.

Features of the new testo 552:
  • Maintenance-free absolute pressure sensor.
  • Battery life of up to 2,400 hours
  • Measures evaporation temperature of water.
  • Audible alarm when a limit value is exceeded.
  • Water and dirt resistant according to IP42.
The testo 552 is the only digital vacuum gauge whose absolute pressure sensor needs no further servicing, unlike other sensor technologies. Yet it still consistently delivers highly accurate readings.
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Unit 11, 114-118 Merrindale Drive
Croydon South
VIC 3136
Tel: 1300 837 861
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