TESTO 557s Measuring set incl. instrument and wireless v temp. sensor and service case

Testo 557s – pressure gauge stand with 4-way valve block

0564 5571

Easier and more flexible measurement and documentation

The testo 557s digital pressure gauge with Bluetooth and 4-way valve block gives you all the tools you need for commissioning, servicing and maintaining refrigeration units, air conditioning systems and heat pumps.

Fast and accurate measurements

• Ideal for refrigeration systems, air conditioning and heat pumps

• Large graphic display that makes reading easy and clear

• Ready-made measurement programs guide you step by step and can automatically calculate important system parameters such as overheating, pressure drop and emptying.

Maximum flexibility and ease of use

• Bluetooth sensors for temperature, pressure and humidity automatically connect to the pressure gauge station

• The testo Smart app enables digital documentation directly on site, setting of your own favorites and automatic updates with the latest refrigerants

Reliable and robust

• The testo 557s delivers consistently high performance under all conditions

• Combines proven Testo quality with a very robust design, ready for tough working environments