Fluke 190-104-III ScopeMeter handheld oscilloscope
The Fluke 190-104-III is a handheld oscilloscope for field troubleshooting, for making measurements on real installations and systems, not just on a bench in a workshop. It is used to view electrical signals as waveforms, enabling the detection of faults, monitoring operation, and comparing signals across multiple measurement points.
What makes this type of instrument particularly relevant is the combination of four fully isolated inputs and its high safety rating. In practice, this means you can work with measurements in environments where there might be different reference points and high voltages, without the instrument being tied to a single common ground like a standard bench oscilloscope. This is a significant advantage when working with industrial equipment, automation, power electronics, and troubleshooting systems.
With a 100 MHz bandwidth and four channels, you can monitor multiple signals simultaneously, for example, to observe the interaction between control signals, power supply, and feedback. These are precisely the types of tasks where you quickly need to assess whether a signal looks correct, or if there is noise, dropouts, or irregularities.
As a handheld ScopeMeter, it is also designed for practical daily use. It can be used on-site where the fault occurs, and measurements can be saved and transferred for further analysis. This makes it suitable for documenting a fault, comparing with previous measurements, or taking data back to a PC.
This version includes, among other things, four probes, a battery pack, power supply, carrying system, and USB cable, so it's ready for field use.
Specifications
- 4-channel handheld oscilloscope
- 100 MHz bandwidth
- Fully isolated, floating inputs
- Safety rating CAT III 1000 V / CAT IV 600 V
- Up to 1.25 GS/s real-time sampling rate per channel when all channels are used simultaneously
- Supplied with BC190/830 power supply, mains cable, BP291 Li-ion battery pack, 4 x VPS421 probes, hand strap, hanging strap, USB cable, and printed instructions
See datasheet from the manufacturer
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