What does it mean when U.FAIL and L.FAIL lamps turn on at the same time on Hioki ST5520-01?
If the U.FAIL and L.FAIL lamps turn on simultaneously, the set upper and lower limits (comparators) and range setting may not match. Set the lower limit based on the set range’s accuracy range.
Why the COMP lamp does not turn on on Hioki ST5520-01?
If the COMP lamp does not turn on, the upper or lower limit value may not be set when the measured value is displayed. Set the upper or lower limit value.
General| Brand | Hioki |
|---|---|
| Model | ST5520-01 |
| Category | Test Equipment |
| Language | English |
Explains hazard levels (DANGER, WARNING, CAUTION), symbols, and measurement categories for safe operation.
Perform inspections of probes and instrument operation before first use to ensure safety and detect damage.
Avoid unstable surfaces, do not remove instrument case, and handle with care to prevent damage or injury.
Avoid shorting live lines, check cord condition, do not bend excessively, and observe connection precautions.
Connect the power cord and measurement leads following safety guidelines.
Perform checks on accessories, instrument, and insulation resistance tests before initial use.
Configure the test voltage (25V-1000V) and resistance measurement range (manual or auto).
Switch between FAST/SLOW measurement speeds and set the test duration.
Configure the comparator function for pass/fail criteria and judgment methods.
Verify contact integrity and check for short circuits before applying test voltage.
Configure the instrument to automatically send measured values to a computer after tests.
Remotely control the instrument and acquire data using communication commands.
Detailed information on communication commands, syntax, parameters, and examples.
Guidance for resolving common instrument issues before contacting service.
Lists error messages, their meanings, solutions, and references for troubleshooting.
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