Testo has introduced the new 552 Digital Vacuum Gauge for the evacuation of heat pumps, air conditioning systems, and refrigeration systems. With the 552, the absolute pressure sensor needs no cleaning, unlike traditional thermistor sensors.

Testo digital manifolds are designed for accurate charging and troubleshooting of air conditioning, heat pump, and refrigeration systems. They accurately measure temperature and pressure to instantly calculate superheat and subcooling.

For complete details on the rebate offer and for redemption forms and guidelines, visit www.2toughtofail.com.

Publication date: 5/6/2013