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Keithley Micro Ohmmeter 1978
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Manual for Keithley Micro Ohmmeter 1978
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Documents & Manuals
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Work Order Templates
Pre-built workflows to keep your asset running smoothly.
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Procedures
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Parts
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Keithley Micro Ohmmeter 1978
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Maintenance Plans for Keithley Micro Ohmmeter Model 1978
Integrate maintenance plans directly into your work orders in MaintainX.
Top Cover Removal
Preparation
Turn off power to the Model 580
Disconnect the line cord from the Model 580
Remove all test leads from the terminals of the Model 580
Remove test lead pouch
Top Cover Removal
Turn the unit over
Remove the four screws from the bottom of the case
Turn the unit over again
Front Panel Calibration
Pre-Calibration Checks
Ensure CALIBRATION switch is in the ENABLED position
Verify instrument is in DRIVE (_S-_), POL+, and line frequency is set
Connect calibration resistor to the Model 580 as shown in Figure 3-2
Calibration Procedure
Press SHIFT and REL simultaneously until 'CAL' appears, then release
Ensure CAL annunciator appears on the front panel display
Apply known resistance to the first range to be calibrated (e.g., 190m to 200m range)
Adjust display to read exact resistance value using POLARITY and TRIG
Line Fuse Replacement
Preparation
Unplug the line cord and remove all test leads from the Model 580 terminals
Accessing the Fuse
Remove the top cover as explained in paragraph 1.2
Is the Model 5802 IEEE-488 Interface installed?
Removing IEEE-488 Interface
Lift the IEEE-488 board up until it disengages from the connector and support post
Fuse Replacement
Replace the blown fuse with a '/, A, 250V, 3AG, Slo-Blo (Keithley Part Number FU-20)
Parts for Keithley Micro Ohmmeter 1978
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Capacitor, 1.0uF, 50V, Polyester
C-237-1
Capacitor, 10uF, 25V, Aluminum Electrolytic
C-314-10
Capacitor, .luF, 50V, Ceramic
C-365 -.1
Capacitor, .0022uF, 100V, Silver Mica
C-22 -.0022
Capacitor, 330uF, 6.3V, Aluminum Electrolytic
C-378-330
Capacitor, 1.0uF, 50V, Polyester
C-237-1
Capacitor, 10uF, 25V, Aluminum Electrolytic
C-314-10
Capacitor, .luF, 50V, Ceramic
C-365 -.1
Capacitor, .0022uF, 100V, Silver Mica
C-22 -.0022
Capacitor, 330uF, 6.3V, Aluminum Electrolytic
C-378-330
Capacitor, 1.0uF, 50V, Polyester
C-237-1
Capacitor, 10uF, 25V, Aluminum Electrolytic
C-314-10
Capacitor, .luF, 50V, Ceramic
C-365 -.1
Capacitor, .0022uF, 100V, Silver Mica
C-22 -.0022
Capacitor, 330uF, 6.3V, Aluminum Electrolytic
C-378-330
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