Measuring Instrument Assembly with Retainer Hook

摘要

This invention is a measuring instrument assembly having a probe for placement through an opening in an airway such as a duct for measuring physical parameters of an airstream flowing through the airway. The probe includes a hook arranged to engage an inner wall portion of the airway adjacent the opening to retain an end of the probe in a selected position inside the airway.

主权项

1. A measuring instrument probe assembly for placement through an opening in an enclosure for measuring physical parameters of an airstream flowing through the enclosure, comprising:
a housing; an elongate probe formed as a metal rod having a first end thereof connected to the housing; and a hook formed in the probe for engaging an edge of an opening into the enclosure carrying an airstream to retain a second end of the probe in a selected position inside the airstream.