Fluke FLUKE-190-504-III-S Portable Oscilloscope 500 Mhz

Product Description

The FLUKE FLUKE-190-504-III-S is a portable, four-channel oscilloscope designed for field and bench diagnostics across electrical, industrial, and HVAC/R applications. Operating at 500 MHz of bandwidth, it delivers the signal resolution required for complex troubleshooting tasks where a benchtop unit is not practical. The LCD display provides clear waveform visualization in variable lighting conditions. With vertical deflection sensitivity ranging from 2 mV/div to 100 mV/div, technicians can capture both low-level signals and higher-amplitude waveforms without switching instruments. This unit is built for licensed electricians, instrumentation techs, and industrial service professionals who require a rugged, portable measurement platform.

The FLUKE-190-504-III-S is suited for residential and commercial electrical systems, motor drive diagnostics, power quality analysis, and control circuit verification. It is particularly applicable in environments where four simultaneous signal channels are needed to compare waveforms, verify phase relationships, or diagnose variable frequency drive outputs. The portable form factor makes it practical for both in-panel work and equipment-side diagnostics without requiring a fixed test station.

Key Features

• 500 MHz bandwidth supports high-frequency signal capture for demanding diagnostic tasks
• Four independent input channels allow simultaneous multi-signal comparison
• Vertical deflection range of 2 mV/div to 100 mV/div provides broad measurement sensitivity
• LCD display delivers clear waveform readout in variable ambient lighting
• Portable design suited for field service and on-site electrical diagnostics

Compatibility

Designed as a portable oscilloscope for general-purpose electrical and electronic signal diagnostics across industrial, commercial, and trade service applications.

Installation Notes

This instrument is intended for use by qualified electrical and instrumentation technicians familiar with oscilloscope operation and measurement safety. De-energize or isolate circuits where possible before connecting probes, and follow all applicable NEC and facility lockout/tagout procedures. Verify probe ratings are appropriate for the voltage levels being measured before making contact. Do not exceed the input voltage rating of the instrument or its probes.