Temperature compensated adapter for a DMM

Details Temperature compensated adapter for a DMM Temperature compensated adapter for a DMM

1998-02-27

2000-05-30

Bennett, G. Bradley

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374208, 439329, G01K 100, H01L 3510

Patent

active

060684003

ABSTRACT:
An adapter suitable for use with a handheld multimeter and a thermocouple probe contains a temperature sensor and input connectors suitable for mating with standard thermocouple probes. Both of these are closely coupled thermally to an isothermal domain. Plugs suitable for mating with the input jacks of a handheld multimeter are disposed within the adapter on the other side of a high thermal resistance zone. Conductors connect these outputs to the input connectors and to the leads of the temperature sensor. A four output version of the adapter is shown for use with a three lead temperature sensor, and a three output version is shown for use with a two lead temperature sensor. The output plugs can paired to be more compact and easier to use through the use of dual-signal single-axis banana plugs.

REFERENCES:
patent: 4669049 (1987-05-01), Kosednar et al.
patent: 4718777 (1988-01-01), Mydynski et al.
patent: 4776706 (1988-10-01), Loiterman et al.
patent: 5090918 (1992-02-01), Zoelick et al.
patent: 5492482 (1996-02-01), Lockman et al.
patent: 5648712 (1997-07-01), Hahn
patent: 5735605 (1998-04-01), Blalock
patent: 5836692 (1998-11-01), Pompei

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