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Testo Inc. 800-227-0729

info@testo.com

Testo 557 Digital Manifold

with Vacuum Gauge

Built in Vacuum Gauge

Robust valve block with 4 connections and built in sight glass

2 temperature probe inputs for simultaneous real-time

calculation of superheat and subcooling

Readings are displayed within seconds

Compact design for ease of use, transport and setup

Large, easy to read back-lit display

Rugged housing that protects the analyzer

40 refrigerant profiles stored, eliminating the use of PT charts

Features

The testo 557 four valve manifold with a built in vacuum gauge is the

next high performance, low cost Digital Manifold from Testo. The built

in vacuum gauge allows the technician to know when they have

reached the limits when evacuating a system.

Building upon the easy to use platform designed by Testo, the 557 has

2 NTC temperature probe inputs and can simultaneously calculate

superheat and subcooling in real time. The 557 is ideal for servicing,

maintaining and commissioning all types of air conditioning systems.

The 557 will also perform leak tests on AC/R systems with temperature

compensation, insuring accurate results.

The testo 557 retains the robust housing that protects the analyzer from

the everyday bumps and drops. It comes complete with 2 clamp

probes, integrated hook, built in hose holders and a hard carrying case.

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