Temperature responsive apparatus for detecting heat leaks

Details Temperature responsive apparatus for detecting heat leaks Temperature responsive apparatus for detecting heat leaks

1978-11-29

1980-12-09

Woodiel, Donald O.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73362SC, G01K 722

Patent

active

042377323

ABSTRACT:
A fast acting, temperature responsive apparatus provides a visual output representing a temperature difference. The apparatus is battery-operated and hand-held, and employs a low thermal mass thermistor, protectively housed in a hand-held probe, and an electrical circuit responsive to temperature differences registered by the thermistor. The circuit is "zeroed" or preset by a manually adjustable first panel control to the ambient temperature and any temperature change at the thermistor, relative to the preset ambient temperature, is visually indicated to the device user. The apparatus thus advantageously detects heat leaks, for example in the home.

REFERENCES:
patent: 3256734 (1966-06-01), Storke, Jr.
patent: 3348415 (1967-10-01), Ash, Jr.
patent: 3915003 (1975-10-01), Adams

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