Free Testo 550 A/C Troubleshooting Guide
Testo 550 Kit 1
Testo 550 Clamp Probe
The airside performance test kit is designed for the field calculation of heating and cooling system capacity or output. The 416 mini vane performs a high accuracy, non air density dependent measurement of airflow and the 605-H2 provides a means to measure the change in enthalpy across the indoor coil of a A/C unit, heat pump, or heat exchanger.
NOTE: Humidity stick included but not shown.