User manual

2. Intended purpose20
2. Intended purpose
This chapter gives the areas of application for which the
product is intended.
Use the product only for those applications for which it was
designed. Ask Testo if you are in any doubt.
testo 417 is a compact measuring instrument for
measuring flow velocities and temperatures by means of an
integrated 100mm vane with temperature probe.
The product was designed for the following
tasks/applications:
· Measuring volumetric flow rates at inlets/outlets
· Measuring the temperature of flows
The product should not be used in the following areas:
· Areas at risk of explosion.
· Diagnostic measurements for medical purposes