Fluke a AC Voltage Calibrator Teardown and Repair – Page 1. In summary, the manual puts it best: “DEATH ON CONTACT may result if. FLUKE SA. MAR 3 0 .. temperature using an rms responding meter, ( Fluke B . control is obtained via the A (Manual or Remote Mode). A AC Calibrator for a combined output ranging . The Static Sensitive (S.S.) devices are identified in the Fluke technical manual parts list with the symbol.
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Model A to Model A Connections Power Amplifier Assembly, A Oscillator Control Assembly, A Power supply Motherboard Removal Output Accuracy Test-Voltage Ranges Output Accuracy Test-Millivolt Ranges Load Regulation Verification Test. Voltage Error Control Test Power Amplifier Bias Calibration Power Amplifier Zero Calibration Voltage Amplitude and Linearity Calibration The Model A is a guarded, precision AC Calibrator designed for use in calibration laboratories and in manufacturing environments.
The amplitude of the output voltage is controlled by a range selector switch and six decade switches. The decade switches can then be set for any value from 10 to percent of the selected range each range has a 20 percent overrange capability. This feature provides direct indications of maual error during calibration of voltmeters.
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The frequency of the output voltage manul similarly controlled by a range selector switch and four decade switches. The decade switches can then be set for any value from 10 to percent of the selected range.
Four-digit resolution within the selected range provides steps as small as 0. Cluke desired, the frequency can be phase-locked to an external reference source connected by coaxial cable to a BNC connector on the rear panel. The selected output of the A is available at output connectors located on both the front and the rear panels. The front panel connectors are flukw jacks and are provided for high and low output lines, high and low sense input lines, guard, and ground.
The rear panel connectors are a pair of pcb card-edge connectors accessed through openings in the panel.
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One of the connectors provides interconnection to the Model A Precision Power Amplifier when usedand the other provides the selected Calibrator output except ground to any other external equipment requiring it. In addition to the regular Calibrator outputs, a quadrature output and a Counter output are available at BNC connectors on the rear panel.
The quadrature output leads the regular output in phase by 90 degrees. The amplitude of the quadrature output is proportional to the setting of the amplitude control decade switches. Regardless of the range selected, the rms amplitude of this output will be anywhere from IV, at minimum setting, to 12V, at maximum setting.
At mwnual percent setting, the amplitude will be 10V rms. The Counter output is the same frequency as the other outputs, but in pulse form.
Service and User Manual Pages: Scanned document, all readable. Fluke A Calibrator Manufacturer Fluke. Service and User Manual.