4. Electricity: measuring and testing
  5. Testing potential in specific environment
  6. Voltage probe

Donald R. Hyer

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Frequency transducer circuit with output calibration

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Probe assembly for an electric meter

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Patent

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Toxic gas monitor having automatic calibration

Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent

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Profile ID: LFUS-PAI-P-35444

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