Description
If your bench already runs Rohde & Schwarz scopes, the connector can matter as much as the ratings. The Rohde & Schwarz RT-ZC20B probe is a clamp-on current probe for up to 30 A RMS at 100 MHz. Also, Rohde & Schwarz states that its oscilloscope current clamps handle both DC and AC current. Then again, this B version plugs into the Rohde & Schwarz probe interface. Lost in HCM offers it in Vietnam for rental or purchase.
Same ratings, different connector
On paper, the RT-ZC20B matches the RT-ZC20: 100 MHz, 30 A RMS and 0.1 V/A. So the difference lies in the connection. The plain RT-ZC20 uses BNC and the RT-ZA13 external supply. By contrast, the RT-ZC20B listing names only the Rohde & Schwarz probe interface.
Why the interface matters on a busy bench
The RT-ZC20B listing names no separate supply box. In practice, fewer parts on the bench usually means a faster setup and fewer loose cables. Still, check that your oscilloscope offers the Rohde & Schwarz probe interface before you order. Lost in HCM can confirm the exact kit in its quote. That way, the Rohde & Schwarz RT-ZC20B probe arrives ready for the scope you own.
Typical work for the Rohde & Schwarz RT-ZC20B probe
- Switching current in DC-DC and PFC stages.
- Current loops in motor control boards.
- Start-up current of embedded and automotive modules.
- Power analysis paired with a voltage probe.
For power analysis, deskew the current and voltage probes first. Then the computed power lines up with the real waveform.
Renting first, buying later
Teams often rent for a verification phase and then buy once the workload grows. So request a quote from Lost in HCM with your scope model, current range and dates. Next, view more oscilloscope probes or visit the Rohde & Schwarz current probe page. For help, contact SMK Vietnam.
Your RT-ZC20B questions answered
Which oscilloscopes accept the RT-ZC20B?
The listing names the Rohde & Schwarz probe interface only. So check that your scope has it, and Lost in HCM can confirm before quoting.
Do I still need the RT-ZA13 supply?
The listing names no external supply for the B model, unlike the RT-ZC20. Still, confirm the kit in the quote.
How does it compare with the RT-ZC15B?
Both handle 30 A RMS at 0.1 V/A. Yet the RT-ZC20B reaches 100 MHz, while the RT-ZC15B stops at 50 MHz.
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