Testo 549 Digital Refrigeration Manifold


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The Testo 549 digital manifold is used for maintenance and service work on refrigeration systems and heat pumps.

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0560 0550


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£ 219.00

(£ 262.80 inc VAT.)

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The Testo 549 Digital Refrigeration Manifold Kit (Replaces the Testo 550-1) enables users to perform a range of measurements including pressure, vacuum and temperature using just this one instrument, saving time and improving accuracy.

Two temperature-compensated pressure sensors measure high and low pressure quickly and precisely, and automatically calculate the temperatures. A glance at the instrument display is enough, and you see the measurement result. Two temperature inputs guarantee you the simultaneous calculation and display of superheating and subcooling. The temperature can additionally also be displayed on the Testo 549 By simply pressing a button, you can switch between the measurement tasks at your will.

  • Robustness and extremely convenient operation.
  • Measurement of low and high pressure as well as calculation of temperatures.
  • Simultaneous calculation Of superheating and subcooling in real time.
  • 60 refrigerants already stored in instrument.
  • Display: Illuminated LCD, response time: 0.5s.
  • IP class: 42.
  • Storage temperature: -20 to +60 °C.
  • Operating temperature: -10 to +50 °C.
  • Power Supply: 4 x 1.5 V, type AA/mignon/LR6 rechargeable or standard batteries.
  • Battery life: ca. 250 h.
  • Weight: 1060 g (without batteries).
  • Dimensions: 200 x 113 x 62 mm.
  • Testo 549 Warranty: Two years.


Includes: Testo 549 manifold, plier probe, batteries, instruction manual and calibration protocol.


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Testo 549 Digital Refrigeration Manifold