Keithley 2281S-20-6 Battery Simulator and Precision DC Power Supply

The Keithley 2281S-20-6 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 2281S-20-6 rental Vietnam overview

Every board test depends on the power you feed it, so the supply matters. Requests for Keithley 2281S-20-6 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 2281S-20-6 rental Vietnam: about the 2281S-20-6

Keithley 2281S-20-6 rental Vietnam: keithley 2281S-20-6 overview

The Keithley 2281S-20-6, part of the Tektronix measurement portfolio, is a battery simulator and precision dc power supply for research, device characterization, battery-powered product testing and automated test.

Keithley 2281S-20-6 rental Vietnam: product images

Keithley 2281S-20-6 rental Vietnam: specifications

Manufacturer	Keithley, a Tektronix company
Model	2281S-20-6
Product type	Battery Simulator and Precision DC Power Supply
Outputs	1
Maximum voltage	20 V
Maximum current	6 A
Maximum power	120 W
Stored models	Up to 14
Maximum output resistance	100 ohm

Keithley 2281S-20-6 rental Vietnam: typical applications

Use the 2281S-20-6 within its published ratings for controlled power delivery, battery simulation, charger evaluation, high-voltage device testing or production automation as appropriate to the model.

Connection schematic

AC mains and safety interlock as applicable
   │
   ▼
2281S-20-6 Battery Simulator and Precision DC Power Supply
   │  programmed output channel(s)
   ▼
Device, battery circuit or material under test
   │
   └── remote sense / control interface as equipped

Confirm voltage, current, polarity, grounding, shielding and protection settings.

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

Setup and compatibility

Confirm the AC line option, channel configuration, voltage and current ratings, control interface, cables, fixture and software support before ordering. Teams in Vietnam often choose Keithley 2281S-20-6 rental for this reason.

Request a quotation in Vietnam

Request a quotation for Keithley 2281S-20-6. Price, lead time, condition and local availability are confirmed individually.

Manufacturer reference

Official Tektronix product reference. Reviewed 26 October 2026.

How the DC power supply works

Each channel works inside a power envelope, not just a voltage and current limit. For example, an NGP800 channel set to 32 V can deliver 6.25 A at its 200 W limit. That is why maximum voltage and maximum current rarely apply at the same time.

Supplies with source and sink capability can also absorb current from the device. As a result, you can discharge a battery or test a charger without a separate load. Regenerative models, such as the Keysight RP5900 series, go further and return that energy to the power grid.

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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 rental we arrange in Vietnam.

Keithley 2281S-20-6 rental Vietnam compared with other brands

Several makers build DC power supplies, and each line follows a different design focus. Some favor low noise, while others favor power density or system features. Next, the table shows where the Keithley 2281S-20-6 rental Vietnam offer fits.

No single brand wins on every bench, so start with the task. Instead, each line leads in its own area, from quiet linear output to kilowatt power. Pick the supply that matches your loads and your test code, and the brand question often answers itself. 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 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 2281S-20-6 rental for this reason.