557 RSA Kit

Four valve manifold with a built-in vacuumgauge, including 2 clamp probes, integrated hook, calibration protocol, built-inhose holders, batteries and hard carrying case.

The testo 557 four valve manifold with a built invacuum gauge is the next high performance, low cost Refrigeration SystemAnalyzer from testo. The built in vacuum gauge allows the technician to knowwhen they have reached the limits when evacuating a system. Building upon theeasy to use platform designed by testo, the 557 has 2 NTC temperature probeinputs and can simultaneously calculate superheat and subcooling in real time.The 557 is ideal for servicing, maintaining and commissioning all types of airconditioning systems. The 557 will also perform leak tests on AC/R systems withtemperature compensation, insuring accurate results. The testo 557 retains therobust housing that protects the analyzer from the everyday bumps and drops.

TechnicalData

Probes

Efficient, robust NTC air probe Meas. range -58 to +302 °F Order number:0613 1712

Waterproof NTC surface probe for flat surfaces Meas. range -58 to +302 °F Order number:0613 1912

Pipe probe with Velcro for 3 in. maximum pipe diameter Meas. range -58 to +160 °F Order number:0613 4611

Clamp probe (NTC) Meas. range -40 to 257°F Order number:0613 5505

Pipe clamp probe (NTC) for pipe diameters 0.19 inches to 2.55 inches. Order number:0613 5605

Accessories