The TestoKool 523 is a low-cost digital gauge set for contractors. It provides precise high and low side pressures (up to 725 psi, 0.1 psi resolution, 0.5 percent FS accuracy) and saturation ...
The Testo 552 digital vacuum gauge is designed for the evacuation of heat pumps, air conditioning, and refrigeration systems. This innovative digital vacuum gauge utilizes a sensor that requires no ...
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