Electrode assembly test unit and method

Details Electrode assembly test unit and method Electrode assembly test unit and method

1992-04-30

1993-12-07

Wieder, Kenneth A.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

204401, 324425, G01N 2700, G01N 2726

Patent

active

052686329

ABSTRACT:
A test unit for a monitoring device includes reference and measuring electrodes coupled to a preamplifier and a temperature compensating resistor for the preamplifier. The test unit has components corresponding to those of the monitoring device as well as a power supply and a voltmeter coupled to the output of its preamplifier. Cables are provided for substituting either or both electrodes of the monitoring device for the electrodes of the test device, and a switch is provided for substituting a temperature compensation resistor of the monitoring device for the temperature compensation resistor of the test device. A cable is adapted for connection to either preamplifier for supplying it with operating potentials derived from the power supply and for coupling the output of either preamplifier to the voltmeter.

REFERENCES:
patent: 3966413 (1976-06-01), Marinenko
patent: 4048041 (1977-09-01), David et al.
patent: 4120658 (1978-10-01), Bruttig
patent: 4124475 (1978-11-01), Zetter et al.
patent: 4189367 (1980-02-01), Connery et al.
patent: 5022980 (1991-06-01), Tanaka et al.
patent: 5046028 (1991-09-01), Bryan et al.

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