The testo 549 is excellently suitable for commissioning, service and maintenance. Thanks to additional features such as the automatic heat pump mode, which eliminates the need to switch over the hoses, and the temperature-compensated tightness test function, working on refrigeration systems and heat pumps is easier than ever before.
Features of the testo 549 Basic Digital Gauge:
- Calculation of superheating/subcooling in real time with up to two external temperature probes
- 2-way valve block with three connections, three hose parkers and sight glass
- 60 common refrigerants stored in the instrument
- Display illumination for better legibility in dark surroundings
- 250 hours' battery life