What to do if Fluke PM6690 don't display correct logic levels?
If your Fluke Measuring Instrument isn't displaying the correct logic levels, begin by performing the checks outlined in Chapter 2, Performance Check. If, after these checks, the issue persists, recalibrate the instrument following the adjustment instructions provided in Chapter 7, Calibration Adjustments.
How to troubleshoot Fluke PM6690 when the power supply does not operate?
If the power supply of your Fluke Measuring Instruments isn't working, first make sure that the AC power line is properly connected. After ensuring a proper connection, check the power switch to confirm it's in the 'on' position.
General| Type | Frequency Counter/Timer |
|---|---|
| Input Channels | 3 |
| Frequency Resolution | 0.001 Hz |
| Operating Temperature | 0°C to 50°C |
| Resolution | 12 digits per second |
| Time Interval Resolution | 50 ps |
| Functions | Frequency, Period, Time Interval, Ratio, Phase, Totalize |
| Interfaces | GPIB, RS-232 |
| Power Supply | 100-240 VAC |
Defines safety symbols and precautions for safe operation and repair.
Details protective ground connection requirements for safe instrument operation.
Outlines a quick test procedure to verify instrument specifications.
Covers checks for reference oscillators and acceptance criteria.
Provides safety warnings and steps for safely removing the instrument cover.
Explains the hardware functions of the main board, including input amplifiers.
Covers instrument calibration procedures and instructions for firmware upgrades.
General troubleshooting approach and definition of logic levels.
Overview of functional units and troubleshooting steps for the power supply.
Troubleshooting procedures and test points for input amplifiers.
Guidance for troubleshooting internal and external timebase references.
Steps for troubleshooting the microprocessor and memory subsystems.
Troubleshooting procedures for the microprocessor bus and interfaces.
Troubleshooting steps for the measuring logic and FPGA.
Details accessing calibration menus and performing timebase calibration.
Covers voltage calibration procedures and restoring calibration data.
Provides instructions for calibrating the frequency reference oscillator.
Details the procedure for calibrating the instrument's voltage reference.
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