Ultrasonic gas measuring device incorporating efficient display

Details Ultrasonic gas measuring device incorporating efficient display Ultrasonic gas measuring device incorporating efficient display

1994-03-24

1994-12-06

Arana, Louis

Measuring and testing

Gas analysis

By vibration

73 2406, G01N 2902

Patent

active

053699793

ABSTRACT:
An ultrasonic gas measuring device including a housing, walls for the housing, the walls having a gas inlet and a gas outlet provided therethrough, ultrasonic detecting means provided within the housing, the ultrasonic means having a transmitter, operatively associated with one wall of the housing, and a receiver, operatively mounted on another wall of the housing, and arranged at spaced locations within the housing, the housing incorporating gas processing device, electronic circuitry associated with the gas processing device and functioning to detect and generate a signal in cooperation with the ultrasonic detecting means representative of the concentration of the gas passing through the housing, a display operatively associated with the electronic means for displaying data relative to the concentration of gas passing through the measuring device, timer means electrically connected to the electronic means and the display means for first detecting for a short period of time the gas being measured, and then displaying upon the display means data relative to the measured gas for a longer period of time, and adaptor means connecting with the gas concentrating device, and its flow line, for tapping a small quantity of gas for diverting to the measuring device for processing, and then returning said gas to the adaptor and the main gaseous flow line.

REFERENCES:
patent: 3981176 (1976-09-01), Jacobs
patent: 4555932 (1985-12-01), Crosby, Jr.

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