Description
Heavy cables carry currents that a small clamp cannot handle. The Rohde & Schwarz RT-ZC05B probe answers that need. It is a high-current clamp probe for oscilloscopes, with 2 MHz bandwidth and a 500 A RMS maximum on the Rohde & Schwarz data. In short, it trades some speed for a much wider current range.
Trading bandwidth for range
Within the same clamp family, the RT-ZC10B reaches 10 MHz but stops at 150 A RMS. The RT-ZC05B, by contrast, stops at 2 MHz and goes up to 500 A RMS. So choose this model when the current level matters more than fast edges. For example, a traction motor cable, a welding lead or a UPS output bus usually fits that profile.
Specification summary
| Parameter | Value |
|---|---|
| Type | Current probe, clamp-on |
| Bandwidth | 2 MHz |
| Maximum current | 500 A (RMS) |
| Sensitivity | 0.01 V/A |
| Interface | Rohde & Schwarz probe interface |
| Order number | 1409.8204.02 |
Typical jobs for the Rohde & Schwarz RT-ZC05B probe
Energy and heavy-equipment plants in Vietnam often need to log large startup currents. With this clamp, a maintenance engineer can record motor inrush, then compare it with the drive’s own readings. Battery and EV teams can also view pack current during a load step. Meanwhile, facility engineers can check generator or transfer-switch behavior during a planned test.
Reading the screen
The sensitivity of 0.01 V/A means 100 A shows as 1 V. As a result, large currents stay within normal oscilloscope ranges.
Before ordering
Lost in HCM lists the probe as an option for the R&S RTM3000 family. However, check that your scope offers the matching probe interface and current firmware. Then tell Lost in HCM whether you want a rental for a single audit or a purchase for daily use. Follow the manufacturer’s manual and ratings during every test.
Get pricing
Please request a quote from Lost in HCM for the Rohde & Schwarz RT-ZC05B probe. For other options, see the oscilloscope probes category or contact SMK Vietnam. Source data sits on the Rohde & Schwarz current probe page.
RT-ZC05B questions
Is 2 MHz enough for my test?
It suits line-frequency loads, motor starts and slower converters. For fast switching edges, a 10 MHz clamp such as the RT-ZC10B fits better.
How do I pick between 150 A and 500 A clamps?
Start from the highest RMS current you expect, then add margin. If that exceeds 150 A, this model is the better fit.
Can I rent it for one audit?
Yes, Lost in HCM quotes short rentals as well as purchases.
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