testo 557 电子歧管仪 (电子压力表组)——的维修和维护解决方案

testo 557-2 electronic manifold instrument product introduction:

testo 557 is suitable for professional repair and maintenance of air conditioning systems, refrigeration systems and heat pump systems

Kit includes main engine and 2 piped-type surface temperature probes, instrument case, factory report and battery

testo 557-2 electronic manifold Advantages at a glance:

• Built-in high precision vacuum sensor/vacuum pumping function

• 4 way control valve, more convenient operation, fast

• Through two external temperature probe real-time calculation of superheat, supercooling degree

• Air tightness test with temperature compensation

• Refrigeration/heat pump mode

订货号：0563 5572