Resistance thermometer and disposable probe

Details Resistance thermometer and disposable probe Resistance thermometer and disposable probe

1975-04-28

1976-04-13

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

338 28, G01K 724

Patent

active

039496090

ABSTRACT:
A battery operated thermometer by which a person's temperature is measured by a thermistor which varies the current flow through a resistance bridge circuit, and the temperature is shown by adjusting a dial to adjust a meter to a null point. A quick connector is employed to connect the disposable probe in the bridge circuit. The probe consists of a pair of conductor wires in an insulating sheath and having bared ends held by pressure only in conductive contact with a thermistor chip by a plastic tip which shrinks to press the bared ends against the chip.

REFERENCES:
patent: 2611836 (1952-09-01), Crawford
patent: 3431781 (1969-03-01), Wiggin
patent: 3469449 (1969-09-01), Keller
patent: 3485102 (1969-12-01), Glick
patent: 3535935 (1970-10-01), Raudszus
patent: 3550448 (1970-12-01), Ensign
patent: 3570313 (1971-03-01), Frank et al.
patent: 3681991 (1972-08-01), Eberly

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