4 valve HVAC/R manifold that can simultaneously measure superheat and subcooling. Is pre-loaded with 60 refrigerant profiles eliminiating the need for manual PT charts. The built-in vacuum gauge lets you know when you have reached the limits when evacuating a system.
4 valve HVAC/R manifold that can simultaneously measure superheat and subcooling. Is pre-loaded with 60 refrigerant profiles eliminiating the need for manual PT charts. The built-in vacuum gauge lets you know when you have reached the limits when evacuating a system.
Discontinued!
This product has been discontinued and is no longer available.
This is the direct replacement:
The Testo 557 4 valve HVAC/R manifold with two NTC temperature probe inputs with BlueTooth can measure superheat and subcooling at the same time, saving you time and increasing your productivity. This 4 valve HVAC/R refrigeration system analyzer has an easy-to-read backlit display and reads and indicates vacuum in inches of mercury from the built-in vacuum gauge. The 557 can perform leak tests on AC/R systems with temperature compensation, ensuring accurate results. It comes loaded with 60 refrigerant profiles, eliminating the need for PT charts. The Testo 557 digital manifold has an easy-to-read backlit display and its rugged housing protects the analyzer from every-day wear and tear.
Testo 557 Features
| Storage temperature | -4 to 140 °F (-20 to +60 °C) |
| Operating temperature | -4 to 122 °F (-20 to +50 °C) |
| Battery type | Rechargeable batteries / batteries 4 x 1.5V, type AA / mignon/ LR6 |
| Battery life | Approx. 150 hours (no display illumination) |
| Dimensions | 11 x 5.25 x 3 inches |
| Housing material | ABS / PA / TPE |
NTC | |
|---|---|
| Measuring range | -58 to 302° F (-50 to +150° C) |
| Accuracy | 1.0° (± 1 digit) |
| Resolution | 0.1 ° |
Vacuum | |
| Measuring range | -1 to 0 bar |
High pressure probe | |
| Measuring range | -14.7 to 870 psi |
| Accuracy | 0.5% fs (±1 Digit) |
| Resolution | 0.01 bar / 0.1 psi |
| Overload | 52 bar, 5200 kPa, 5.2 Mpa, 754 psi |
Low pressure probe measurement | |
| Measuring range | -14.7 to 870 psi Number of refrigerants: 60 |
| No. of refrigerants: 60 | |
| Accuracy | 0.5% fs (±1 Digit) |
| Resolution | 0.01 bar / 0.1 psi |
| Overload | 940 psi |
Click on a category to view a selection of compatible accessories with the Testo 557 Refrigeration System Analyzer Kit W/ Bluetooth.
| Storage temperature | -4 to 140 °F (-20 to +60 °C) |
| Operating temperature | -4 to 122 °F (-20 to +50 °C) |
| Battery type | Rechargeable batteries / batteries 4 x 1.5V, type AA / mignon/ LR6 |
| Battery life | Approx. 150 hours (no display illumination) |
| Dimensions | 11 x 5.25 x 3 inches |
| Housing material | ABS / PA / TPE |
NTC | |
|---|---|
| Measuring range | -58 to 302° F (-50 to +150° C) |
| Accuracy | 1.0° (± 1 digit) |
| Resolution | 0.1 ° |
Vacuum | |
| Measuring range | -1 to 0 bar |
High pressure probe | |
| Measuring range | -14.7 to 870 psi |
| Accuracy | 0.5% fs (±1 Digit) |
| Resolution | 0.01 bar / 0.1 psi |
| Overload | 52 bar, 5200 kPa, 5.2 Mpa, 754 psi |
Low pressure probe measurement | |
| Measuring range | -14.7 to 870 psi Number of refrigerants: 60 |
| No. of refrigerants: 60 | |
| Accuracy | 0.5% fs (±1 Digit) |
| Resolution | 0.01 bar / 0.1 psi |
| Overload | 940 psi |
Click on a category to view a selection of compatible accessories with the Testo 557 Refrigeration System Analyzer Kit W/ Bluetooth.
