- The 4-valve digital manifold testo 557s features a large, backlit display, a robust, dustproof and waterproof housing, advanced measurement menus and calculation functions.
- By connecting to a smartphone or tablet via Bluetooth, the app not only can display measurement results in higher resolution, but it can also record measurement data, create reports, and send them by email.
- With excellent operability and durability, it reduces the time and improves the efficiency of test runs, servicing, and maintenance of air conditioners and freezers.
- It is dustproof and waterproof (IP54) and has a compact and robust body.
- It is easy to operate and has a graphic display.
- Professional calculation functions and measurement modes: saturation temperature, superheat, supercooling, vacuum mode, airtight test mode
- For managing refrigerant in refrigeration and air conditioning equipment.
- For heat pump refrigerant management.
Specifications in detail
Measurement range: Gauge pressure -0.1 to +6MPa, temperature -40 to +150℃, vacuum 0 to 20000micron/0 to 26.66hPa
Pressure resistance: +6.5MPa
Calculation items: Saturation temperature (evaporation temperature/condensation temperature), degree of superheating/degree of supercooling
Compatible refrigerants: Approximately 90 types including R32, R410A, R22, R407C
Adopts 4 valves that can simultaneously connect low pressure, high pressure, vacuum pumps, and cylinders
Connection diameter: 1/4 inch flare x 3, 3/8 inch flare x 1
Measurement pressure (MPa): -0.1 to +6
Pressure range (MPa): -0.1 to 6.0
Minimum scale (MPa): 0.001
TESTO 0564 5571 55
