Testo 557 Digital Manifold

4-valve refrigeration system analyzer with a remote vacuum probe for faster and more reliable evacuations.

Testo 557 Digital Manifold
Testo 557 Application Photo
Testo Refrigeration App
Testo Refrigeration Systems Product Video

Retired products cannot be ordered

The Testo 557S Digital Manifold Kit is the suggested replacement

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Manufactured

By Testo

Includes

FREE Ground Shipping on orders of $1,000 or more
FREE Lifetime Tech Support

Product Manual Product Specs

Features

Ranges
- Pressure: -14.7 to 870 psi (-1 to 60 bar)
- Temperature: 58 to 302°F
- Vacuum (indication): 0 to 20,000 Micron
Accuracy:
- Pressure: ±0.5% f.s.
- Temperature: ±0.9 °F
- Vacuum (indication): ±10% of rdg +10 microns
Measures high side / low side pressures and temperatures
Simultaneous, real-time super heat and sub-cooling
External vacuum probe for faster and more reliable evacuation of the system
App integration via Bluetooth for fast and convenient remote monitoring and reporting via email
Refrigerant update in the instrument via App
60 refrigerant profiles on board
4-way valve block with 1/4 in. and 3/8 in. ports
5 year warranty with registration
IP42 splash-proof rated

What's in the Box

(2) NTC temperature clamp probes
External vacuum probe
Batteries
Case
Certificate of conformity
User's manual

The Testo 557 Digital Manifold is a four valve refrigeration system analyzer that 557 includes the latest technological updates including App integration via Bluetooth that opens up new possibilities for efficient analysis and documentation. The wireless connection allows users to read data on a Smartphone or Tablet, quickly and conveniently. Using the App, you can e-mail measurement reports directly from the customer job site. The App also allows you to update the stored refrigerants.

The 557 includes a remote vacuum probe for faster and more reliable evacuations and is suitable for all refrigeration systems or heat pumps. This compact manifold has a 4-way valve block, large backlit display and sight glass. Two NTC thermistor clamp probes provide superior accuracy of simultaneous, real-time superheat and sub-cooling readings.