Keithley 2231A-30-3 Triple-Channel DC Power Supply

The Keithley 2231A-30-3 rental Vietnam service from Lost in HCM gives engineering teams in Vietnam short-term access to this DC power supply, with sale and service options on request.

Keithley 2231A-30-3 rental Vietnam overview

Every board test depends on the power you feed it, so the supply matters. Requests for Keithley 2231A-30-3 rental Vietnam often come from bring-up, burn-in, and automated test teams. In addition, rental units ship with a valid calibration certificate, so results hold up in audits.

Across this family, outputs run from 20 V precision channels to 800 V regenerative units. Some models also sink current, which lets you test chargers and simulate batteries. Others add fast logging, so you can see how a device draws power over time.

Keithley 2231A-30-3 rental Vietnam: about the 2231A-30-3

Keithley 2231A-30-3 rental Vietnam: keithley 2231A-30-3 overview

The Keithley 2231A-30-3, part of the Tektronix measurement portfolio, is a triple-channel dc power supply for research, design verification, education and automated test.

Keithley 2231A-30-3 rental Vietnam: product images

Keithley 2231A-30-3 rental Vietnam: specifications

Manufacturer	Keithley, a Tektronix company
Model	2231A-30-3
Product type	Triple-Channel DC Power Supply
Outputs	3 isolated outputs
Channels 1 and 2	30 V, 3 A each
Channel 3	5 V, 3 A
Maximum power	195 W
Connectivity	USB

Keithley 2231A-30-3 rental Vietnam: typical applications

Use the 2231A-30-3 to power electronic devices, circuit boards and modules while controlling the programmed voltage and current. Isolated multi-channel models support circuits that require several supply rails.

Connection schematic

AC mains
   │
   ▼
2231A-30-3 programmable DC power supply
   │  isolated DC output channel(s)
   ▼
Device or circuit under test
   │
   └── remote sense / PC control as required

Confirm channel ratings, polarity, grounding and interface settings before connection.

Illustrative application connection schematic. Follow the current Keithley/Tektronix manual for wiring, remote sensing, grounding, channel combining and safe operating limits.

Setup and compatibility

Confirm the AC line option, output channel requirements, remote-control interface, leads, rack accessories and software support before ordering. Teams in Vietnam often choose Keithley 2231A-30-3 rental for this reason.

Request a quotation in Vietnam

Request a quotation for Keithley 2231A-30-3. Price, lead time, condition and local availability are confirmed individually.

Manufacturer reference

Official Tektronix product reference. Reviewed 23 October 2026.

How the DC power supply works

A DC power supply compares its output with a set value and corrects any error at once. In constant voltage mode, it holds the voltage while the load draws the current it needs. When the load tries to draw more than the limit, the supply switches to constant current.

Linear supplies, such as the R&S NGL200 and NGM200 series, regulate with very low noise. Switching designs, in contrast, pack more power into a smaller case. Therefore, many benches pair a quiet linear unit for sensitive circuits with a high-power model for heavy loads.

What to look for in a DC power supply

Most buyers start with voltage and current, but those numbers tell only part of the story. Channel layout, noise, and logging also shape your results. Here is what to check before you request a quote for any model in this family. This applies to every Keithley 2231A-30-3 rental we arrange in Vietnam.

• Channel count and isolation. Models range from one output to four, and some channels float apart from each other. Also, isolated outputs let you build split rails or stack channels in series for more voltage.
• Per-channel and total power. Many supplies cap each channel and the whole unit at separate limits. For instance, the R&S HMP4040 allows 160 W per channel but 384 W across all four outputs.
• Low noise for sensitive circuits. Analog front ends, RF modules, and sensors react to ripple on the supply rail. Therefore, linear models such as the R&S NGL200 series suit those circuits better than high-power switching units.
• Source and sink operation. Two-quadrant and four-quadrant models, like the R&S NGM and NGU series, both deliver and absorb current. Because of this, they can test a charger or discharge a cell without a separate load. So, plan it early when you book a Keithley 2231A-30-3 rental in Vietnam.
• Data logging and fast capture. Built-in loggers record voltage and current, so you can prove how much power a board draws. Meanwhile, R&S FastLog on NGM models samples up to 500,000 times per second for short spikes.
• Remote control and sequencing. LAN and USB interfaces let a test script set outputs and read back values. In addition, output sequencing on models like the Keysight E36313A powers rails up in a fixed order.

Typical applications

DC power supplies sit on almost every electronics bench in Vietnam's industrial parks. However, the job decides which model fits best. Below are common tasks, such as firmware bring-up and battery tests. Each one also rewards a clear view of voltage and current.

• Firmware bring-up benches. New boards need stable rails while engineers load code and debug start-up faults. A programmable triple-output supply, such as the Rigol DP832 or Keysight E36313A, covers logic and analog rails. Our Keithley 2231A-30-3 rental units in Vietnam ship ready for this kind of work.
• Burn-in and power cycling. Burn-in racks run many boards for hours or days under steady load. Also, timer and sequence functions automate power cycling, so you can repeat start-up tests without manual switching.
• Battery drain analysis. Battery-powered devices draw tiny sleep currents and sharp bursts during radio transmission. Therefore, a DC power analyzer like the Keysight N6705C, or an R&S NGM supply, logs both in detail.
• Battery and charger testing. Chargers, battery packs, and battery management boards need a source that can also absorb current. Source and sink models handle this task, while regenerative units like the RP5900 series suit higher power.
• Automated test stations. Production testers need supplies that a script can set, measure, and switch off in seconds. Because of this, LAN-controlled models fit into ATE racks for a ramp-up, then return when the campaign ends. Rental of the Keithley 2231A-30-3 is available across Vietnam.
• High-voltage and EV components. EV parts, inverters, and DC links often need hundreds of volts at kilowatt power. For example, the Keysight DP5776AH and DP5776AL offer 5.1 kW, up to 600 V and 8.5 A.

Industries that use the Keithley 2231A-30-3 rental Vietnam

Power needs differ by sector, from microamps in a wearable to kilowatts in an EV inverter. As a result, each industry favors a different part of this family. Meanwhile, the examples below reflect common requests from teams across Vietnam.

• Electronics manufacturing (EMS). EMS plants in Bac Ninh and Binh Duong run supplies on every test and burn-in station. Therefore, multi-channel supplies with LAN control help them scale stations during a ramp-up.
• Automotive and EV components. Suppliers of EV components test DC-DC converters, chargers, and battery packs at high voltage. Because of this, they use system and regenerative supplies at FDI plants in Binh Duong. Teams in Vietnam often choose Keithley 2231A-30-3 rental for this reason.
• Semiconductors and components. Chip test and packaging sites in Vietnam need precise voltage and current to qualify parts. So four-quadrant supplies like the R&S NGU series help them source, sink, and measure in one setup.
• Consumer and IoT devices. Design centers in Ho Chi Minh City build wearable devices and sensors on tight power budgets. As a result, they rely on logging supplies and power analyzers to measure sleep and active current.
• Telecom and RF equipment. Base station, router, and RF module makers need clean rails that do not add noise to sensitive receivers. Hence, low-noise linear supplies are common on their design and production benches.
• Universities and training. Engineering faculties equip many identical benches for each semester of lab classes. Renting a batch of compact supplies, such as the R&S NGE100B series, is often simpler than a purchase. This applies to every Keithley 2231A-30-3 rental we arrange in Vietnam.

Keithley 2231A-30-3 rental Vietnam compared with other brands

Before you commit to Keithley 2231A-30-3 rental Vietnam, compare it with other common supply lines. However, the best choice depends on your loads, your channel needs, and your test software. A model that fits one bench may waste money on another.

For small benches, a compact multi-channel supply usually gives the best value. However, battery, charger, and high-voltage work calls for source and sink or system supplies. So decide on the load profile first, then compare brands on noise, logging, and software support. Specifications change, so confirm current data with each maker before you decide.

Rent or buy?

Rent when you need extra outputs for a ramp-up, a burn-in campaign, or a short project. Renting also covers gaps while your own supply is away for service. However, buy when the same model runs every day, because ownership then costs less over time.

Selection tips

• List every rail your device needs, with voltage, peak current, and start-up order. Then choose a model with enough channels and sequencing to match that list. So, plan it early when you book a Keithley 2231A-30-3 rental in Vietnam.
• Check both the per-channel limit and the total power limit. For example, a 32 V output at 200 W supplies 6.25 A, not its full rated current.
• Choose a linear supply for low-noise analog, RF, or sensor circuits. Meanwhile, high-power switching models suit motors, heaters, and other heavy loads.
• If your device charges or regenerates energy, pick a source and sink model. Otherwise the supply may trip or lose control when current flows back.
• Use remote sense leads when the load draws high current through long cables. As a result, the supply corrects for voltage drop and holds the set value at the device.
• Confirm the interface your test software uses, such as LAN, USB, or GPIB. Also ask which drivers and options come with the rental unit. Our Keithley 2231A-30-3 rental units in Vietnam ship ready for this kind of work.

Handling and care

• Switch off the outputs before you connect or move test leads. This habit protects the device and stops sparks at the terminals, especially at higher voltages.
• Wear a grounded wrist strap when you handle bare boards on the bench. Also keep the supply and the device on a common ground to avoid static damage.
• Let the supply warm up before precise measurements, as the maker's data sheet advises. Reading accuracy and output drift settle once the internal parts reach a stable temperature.
• Follow the calibration interval each maker states in its data sheet or manual. When it falls due, we can arrange service through the manufacturer or an authorized partner.
• Ship supplies in their original packing or a padded case to protect the terminals. In addition, keep them dry in the humid season, because moisture can harm high-voltage parts. Rental of the Keithley 2231A-30-3 is available across Vietnam.

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 Keithley 2231A-30-3 rental for this reason.