Testo 0554 4515 Offers

The Basic Combi Refrigeration Sensor delivers fast and reliable leak detection for all common refrigerants when used with the Testo 514 or Testo 515 Ex. With a sensitivity of 1-3 g/a (depends on device version) and a response time below two seconds, it quickly identifies even small leaks during routine service work, ensuring dependable performance in everyday HVACR applications. Its user-replaceable sensor design, flexible probe and intuitive display modes make it a practical and cost-efficient tool for technicians who value simplicity and accuracy.

Features

• High precision: detects refrigerant leaks from 1-3 g/a
• Fast response & recovery time: < 2 seconds for quick leak localization
• Long-life: durable sensor performance for everyday AC/R field use
• Smart flexibility: user-replaceable sensor
• Wide refrigerant range: compatible with HCFC, HFC, HFO, HCFO, HC (R290) and blends

Applications

• Replacing a worn refrigerant sensor on the Testo 514 leak detector
• Replacing a worn refrigerant sensor on the Testo 515 Ex leak detector
• HCFC, HFC, HFO and R290 leak checks on AC/R systems
• Everyday AC/R field leak detection service
• Keeping a spare sensor on hand to reduce service downtime