testo 557 New electronic manifold (electronic pressure gauge group)
Professional repair and maintenance solutions
testo 557-1 Product Description:
testo 557 is suitable for professional repair and maintenance of air conditioning systems, refrigeration systems and heat pump systems
Kit includes engine, factory report and battery
testo 557-1 Advantages:
Built-in high precision vacuum sensor/vacuum pumping function
4 way control valve, more convenient operation, fast
Real-time calculation of superheat through two external temperature probes, the supercooling degree with temperature compensation for air tightness test refrigeration/heat pump mode
订货号:0563 5571