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 |
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