Patent · US Expired

Measuring instrument particularly useful for measuring waste gases from heating installations

US5309777A · kind A · utility

12Cited by
14References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 1991
Grant dateMay 10, 1994
Priority date
Expiry dateAug 28, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/0009
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention relates to a measuring instrument, in particular for measuring waste gases from heating installations, comprising at least one sensor and pump arranged in a measuring channel, a microcomputer for controlling the measuring sequence and for processing the sensor signals, which is connected to an alphanumeric display device and two control elements, wherein one control element serves for paging in a selection menu, by which one menu item is displayed on the display device, and wherein the other control element serves to input in accordance with the menu item displayed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.