Tektronix TCP305A AC/DC Current Probe

The Tektronix TCP305A rental Vietnam service from Lost in HCM gives engineering teams in Vietnam short-term access to this current probe, with sale and service options on request.

Tektronix TCP305A rental Vietnam overview

Current shows how hard a circuit really works, yet a voltage probe cannot see it directly. The Tektronix TCP305A rental Vietnam fills that gap on the bench, the line, and in the field. As a result, teams find overload, saturation, and timing faults much sooner.

Lost in HCM offers these probes, amplifiers, and shunts for rent or sale on a quote basis. Rental units ship with a valid calibration certificate. In addition, we can arrange service through the manufacturer or an authorized partner for units you own.

Tektronix TCP305A rental Vietnam: about the TCP305A

Tektronix TCP305A rental Vietnam: tektronix TCP305A overview

The Tektronix TCP305A measures AC and DC current using a clamp-style sensor. Its specified bandwidth is DC to 50 MHz, with 50 A DC continuous current capability under the manufacturer’s operating conditions.

Tektronix TCP305A rental Vietnam: product images

Tektronix TCP305A rental Vietnam: specifications

Manufacturer	Tektronix
Model	TCP305A
Measurement type	AC and DC
Bandwidth	DC to 50 MHz
Current capability	50 A DC continuous
Connection / required interface	TCPA300 required
Required amplifier	TCPA300, separately specified; not assumed included
System DC accuracy	±3% of reading
Probe construction	Split-core clamp
System qualification	Bandwidth and current specifications apply with the specified amplifier

Current limits depend on frequency, pulse duration and operating conditions. Consult the manufacturer manual for derating and conductor-voltage ratings.

Tektronix TCP305A rental Vietnam: measurement applications

This split-core probe measures current together with the TCPA300 amplifier. The amplifier provides the required probe drive and signal conditioning. Select the probe and range for the expected DC level and changing current; confirm pulse limits separately for transient measurements. Teams in Vietnam often choose Tektronix TCP305A rental for this reason.

Connection schematic

Single insulated DUT conductor → TCP305A clamp
TCP305A → TCPA300 amplifier (required)
Amplifier output → correctly terminated oscilloscope input

Illustrative connection diagram, not an internal service circuit. De-energize the circuit before fitting or removing the probe where required by the manual. Check conductor insulation, voltage category, jaw closure and current limits. Clamp around one conductor for its individual current; enclosing both supply and return can cancel their magnetic fields.

Setup and compatibility

Specify the TCPA300 and compatible oscilloscope connection when requesting a complete system. Follow the amplifier manual for output termination and scaling. Degauss and zero the measurement system before use. The reference photo shows a family of probes and amplifiers; this listing is for the named probe.

Request a quotation in Vietnam

Request a quotation for Tektronix TCP305A. Include your oscilloscope model, current range, waveform frequency, conductor size and required accessories. Price, condition and local availability are confirmed individually. This applies to every Tektronix TCP305A rental we arrange in Vietnam.

Manufacturer references

Official Tektronix datasheet. Reviewed 19 October 2026.

How the current probe works

An AC current probe works like a small transformer around the conductor. The changing magnetic field induces a signal in the probe core. Therefore, these probes read AC and pulse current well, but they cannot see DC or very slow changes.

AC/DC probes add a Hall-effect sensor inside the core to track DC and low frequencies. Meanwhile, the transformer part handles the fast edges. As a result, one clamp covers DC to many megahertz, though it needs power from the scope, an adapter, or an amplifier.

What to look for in a current probe

Before you rent or buy, list the peak current, the fastest edge, and the conductor size. Then check whether you need DC. The features below explain what to compare, from bandwidth and range to interface, isolation, and safety ratings. So, plan it early when you book a Tektronix TCP305A rental in Vietnam.

• AC only or AC and DC. AC-only probes and Rogowski loops skip DC, so they suit pulses and ripple. However, AC/DC models such as the TCP0030A and TCP303 also show DC offset, inrush, and slow load changes.
• Bandwidth and rise time. Bandwidth sets the fastest current edge the probe can follow. For example, the CT6 reaches 2 GHz, and the TICP100 reaches 1 GHz. Meanwhile, the A621 stops at 50 kHz, which suits mains work.
• Current range and peak limits. Check both RMS or continuous current and the peak pulse limit. For instance, the TCP404XL handles 500 A DC continuous, while the CT6 handles 120 mA RMS. Also, respect amp-second limits on long pulses.
• Scope interface and power. TekVPI probes such as the TCP0020 and TCP0150 draw power from a compatible scope. However, the TCP303 needs a TCPA300 amplifier, and the CT probes need a 50 Ω input. So confirm the full system first. Our Tektronix TCP305A rental units in Vietnam ship ready for this kind of work.
• Jaw size and loop fit. The probe must close around your conductor without strain. For example, the A621 takes conductors up to 54 mm, while the CT6 takes a 0.8 mm wire. Flexible Rogowski loops also wrap around bus bars and thick cables.
• Isolation and shunt choice. IsoVu probes in the TICP family read current across a TICS shunt with galvanic isolation. Therefore, they suit high-side switching nodes. Shunt values from 5 mΩ to 5 Ω then set the current range and circuit loading.

Typical applications

Current probes appear wherever engineers must see how much current flows and when. The tasks below cover most rental and purchase requests in Vietnam. They range from power supply checks to motor drive, battery, and fast switching work. Rental of the Tektronix TCP305A is available across Vietnam.

• Power supply and inrush tests. Engineers capture inrush, ripple, and load steps on switch-mode supplies. So AC/DC probes like the TCP0030A show both the DC level and fast transients. As a result, teams confirm fuse and part ratings.
• Motor drive and inverter checks. Drives and inverters switch high currents in each phase. Therefore, engineers use TCP303, TCP404XL, or Rogowski probes on the phase leads. Then they compare current with gate signals on the same scope.
• GaN and SiC switching analysis. Wide-bandgap devices switch very fast at high voltage. So teams pair TICP IsoVu probes with TICS shunts in the power loop. That setup measures switching current while the probe stays isolated.
• Battery and EV current profiles. Battery packs and chargers draw large DC currents that change with load. For example, high-current AC/DC probes record charge and discharge profiles. In addition, the data supports efficiency and thermal studies. Teams in Vietnam often choose Tektronix TCP305A rental for this reason.
• Pulse and noise troubleshooting. Fast current pulses often cause noise and false triggers in a system. So compact current transformers such as the CT1, CT2, and CT6 capture short spikes on thin wires. Engineers then trace the noise to its source.
• Mains and power quality work. Facility teams check load current on mains wiring and panels. Therefore, large clamps like the A621 and A622 and flexible TRCP loops suit this job. Always follow the CAT rating on each probe.

Industries that use the Tektronix TCP305A rental Vietnam

Any product that converts or switches power needs current checks at some stage. That is why probes and shunts appear in labs, factories, and field teams. Here is how each sector in Vietnam uses them in design and production work.

• Power electronics. Makers of supplies, chargers, and inverters in Binh Duong and Dong Nai validate switching current every day. So they keep AC/DC probes on design benches. They also rent isolated probes and shunts for new GaN designs. This applies to every Tektronix TCP305A rental we arrange in Vietnam.
• Automotive and EV. EV, e-motorbike, and component plants in Vietnam test drives, chargers, and battery systems. Therefore, they need high-current AC/DC and Rogowski probes. Portable setups also help when engineers work at the vehicle.
• Electronics manufacturing services. EMS plants in Bac Ninh, Bac Giang, and Hai Phong measure board current during debug and failure analysis. As a result, compact AC/DC probes see daily use. Teams often rent extra units during production ramps.
• Renewable energy. Solar inverter and energy storage projects need current data on high-power converters. For example, flexible Rogowski loops wrap around thick cables and bus bars. Meanwhile, AC/DC probes check the DC link.
• Industrial automation. Factories run motors, drives, and servo systems that sometimes trip or overheat. So maintenance engineers use clamp probes to read phase current at the machine. This helps them find overload and imbalance faults. So, plan it early when you book a Tektronix TCP305A rental in Vietnam.
• Education and research. Universities and research labs in Vietnam teach power electronics with hands-on tests. Therefore, they need safe, reliable current probes for many benches. Rental helps them equip a lab for one course or project.

Tektronix TCP305A rental Vietnam compared with other brands

Before you choose, compare the Tektronix TCP305A rental Vietnam with other well-known current probe lines. However, the best fit depends on your scope, conductor, and current levels. So start with range and bandwidth needs, and then compare interface and local support.

If your team already uses Tektronix scopes, these probes connect with little new training. Other makers offer strong current probes too, especially for their own scopes. Even so, confirm current specs with each maker before you compare. Specifications change, so confirm current data with each maker before you decide.

Rent or buy?

Rent a current probe for a design validation, a failure analysis, or a short power study. Rental also gives access to high-current probes, IsoVu systems, and amplifiers for one project. Then you return them, so capital stays free for other test needs.

Selection tips

• Choose AC/DC when you need DC levels, inrush, or slow changes. Otherwise, an AC-only probe or a Rogowski loop may cover pulses and ripple well.
• Match bandwidth to your fastest current edge, not just the switching frequency. So fast GaN or SiC edges may need an isolated probe and shunt instead of a clamp. Our Tektronix TCP305A rental units in Vietnam ship ready for this kind of work.
• Check peak, RMS, and continuous current limits together. Also review the amp-second limit for long pulses, because going past it can saturate the core.
• Confirm how the probe connects, such as TekVPI, BNC, or a separate amplifier. Then make sure your scope supports that interface and the needed input impedance.
• Measure the conductor or bus bar before you choose a jaw or loop size. For instance, thick cables may need a large clamp or a flexible Rogowski loop.
• For a shunt setup, pick a resistance that gives a usable voltage at your current. However, a higher value adds more loading and heat to the circuit.

Handling and care

• Close probe jaws gently and keep the core faces clean, because dirt adds error. Also store each probe, amplifier, and shunt in its case between jobs. Rental of the Tektronix TCP305A is available across Vietnam.
• Respect the voltage and CAT rating on every probe, since bare conductors can carry hazardous voltage. In addition, wear an ESD strap when you handle IsoVu tips and shunts.
• Let AC/DC probes warm up for the time the maker states. Next, degauss and zero the probe before precise DC readings, and repeat after any overload.
• Follow the calibration interval each maker states, which is often one year. Rental units ship with a valid calibration certificate, and we can arrange service through the maker or an authorized partner.
• Ship probes in padded cases with cables coiled loosely and jaws closed. In addition, keep them dry during Vietnam's humid wet season, because moisture harms sensors.

Frequently asked questions

Request a quote

Tell us the model, options, dates and delivery site, and we will reply with a quote. You can request a quote online or call 0902 327 669. Teams in Vietnam often choose Tektronix TCP305A rental for this reason.