FLUKE 5200A MANUAL PDF

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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The equipment should be connected as shown in Figure with both inner covers installed. Internal Sensing 52000a automatic on the A millivolt ranges. The name of the signal on this line is OP operate.

Instruction

Repeat steps f and g above with the load applied. The output stage operates in conjunction with a bootstrap amplifier to produce the 1-to- V rms output to the attenuator.

Connect a rms differential voltmeter to the A output terminal. Therefore, the length and type of connecting cable may sig- nificantly affect accuracy at the higher frequencies. Each cable should be 12 inches long with a BNC male connector on one end and a GR double banana plug on the other. Load Regulation Verification Test. Overload Test If desired, the frequency can be phase-locked to an external reference source connected by coaxial cable to a BNC connector on the rear panel.

5200a 5 A line regulation may be checked using the following procedure: The Oscillator Control Assembly uses the amplitude control voltage to adjust the oscillator amplitude in the proper direc- tion.

Remove the five screws under the side decals that secure the front handles and front panel to the mainframe. The A can operate from any one of four possible line voltages.

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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. Voltage Error Control Test Refer to paragraph If the positive peaks of the quadrature amplifier and the Amplitude Control voltage are not in balance, U3 will provide a correcting input cur- rent to the summing amplifier on pcb A8.

Any error manusl the dc level of the output signal fed back to the signal input negative side of the input stage, is detected by Ul, which compensates by altering the dc level of the reference input positive side. The Oscillator comprises a summing amplifier, a quadrature amp- lifier, an oscillator amplifier and their associated resistors and capacitors.

Coax Test Cables 2 ea. Set the A output to volts on the volt range.

As shown in Figurethe quadrature amplifier output is fed from the Oscillator assembly to the y-input of an analog multiplier U3 contained in the Oscillator Control assembly. See schematic diagram A, sheet 1. Set the A to the frequency and voltage desired.

To test and verify these voltages care is required to insure that ground, guard, shield, thermal, and line related currents are not present, and that external rf radiations do not enter into the measurement signal level.

Troubleshooting Notes Model A to Model A Connections If the original container is not available, a new container can be obtained from the John Fluke Mfg. Repair as required and repeat the test beginning with step flhke.

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Final claim and negotiations with the carrier must be completed by the customer. Perform the test Mnaual in sequence, insuring the equipment set-up procedure in paragraph has been performed prior to starting the test.

Remove the top and bottom covers. Allow the A to operate with the covers in place for at least 5 minutes before continuing. Location of the individual pcbs within the instrument com- partment is illustrated in Figure Factory authorized calibration and service for each Fluke product is available at various world-wide locations.

The attenuation on the V range is accomplished by a resistor voltage di- vider consisting of resistors R8, R9 and RIO. Front Panel Controls, Indicators and Terminals Model A to Model A Connections Connect two cables of the same length approximately 2 feet 2500a the A output and the El and E2 inputs of the phase meter as shown in Figure This section contains information regarding install- ation and operation of the Model A AC Calibrator.

Placing each load across a GR double banana plug facilitates their use. The A is equipped with a pair of auxiliary outputs which appear at BNC connectors on the rear panel as shown in Figure Refer also to the guard connection information contained in paragraphand the sense connection information contained in paragraph Position of each switch is 5200z in window above switch; windows form a readout that displays selected voltage.

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