CLARKE-HESS Model 5002 Phase Verification Bridge Set

Description

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Up for sale is a used CLARKE-HESS Model 5002 Phase Verification Bridge Set.
It has not been tested.
Original Manufacturer Description:
The Model 5002 Phase Verification Bridge set are passive devices that are used in conjunction with Model 5500-2 Phase Standard and an output null indicator such as a true rms voltmeter, an oscilloscope or a wave analyzer to verify that the Phase Standard is continuing to operate within its specified phase accuracy limits. Each bridge has two input terminals for the two output terminals of the Phase Standard and an output terminal to which the null indicator is connected. An impedance (a resistor or a capacitor) is connected between each input terminal and the output terminal.
The set comprises four bridges:
(1) 5002A. A one-to-one resistive bridge. Nominal loading of 50kW at its two inputs at balance. Usable from 1Hz to 50kHz. Inherent phase error less than ±1m° to 1kHz and ±2m° to 50kHz.
(2) 5002B. A one-to-one capacitive bridge. Nominal loading of 900pF at its two inputs at balance. Usable from lkHz to 200kHz. Inherent phase error less that ±2m° from 1kHz to 50kHz and less than ±8m° to 200kHz. (May be used below lkHz if special precautions are observed)
(3) 5002C. A ten-to-one capacitive bridge. Nominal loading of 900pF and 90pF at its two inputs at balance. Usable from lkHz to 200kHz. Inherent phase difference from the Standard C Bridge between 5kHz and 50kHz is less than ±2m°.
(4) 5002D. A hundred-to-one capacitive bridge. Nominal loading of 1000pF and l0pF at its two inputs at balance. Usable from lkHz to 200kHz. Inherent phase difference from the Standard.
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