Description
Teaching labs need supplies that students can learn in minutes. The Keithley 2231A-30-3 power supply gives three isolated outputs and a USB link, so a class can share a few units and still log results on a PC. Lost in HCM lists it for rental and sale, and it arranges service on request.
A three-rail supply for teaching and design labs
The Keithley 2231A-30-3 power supply suits teaching and design work for several reasons.
The listing names education beside research, design verification and automated test. So this model fits all four. Channels 1 and 2 each reach 30 V at 3 A. Channel 3 supplies 5 V at 3 A, and the listing caps the unit at 195 W. Students can build an op-amp circuit on one channel and a logic circuit on another, because the outputs stay separate.
USB-only, by listing
The listing names USB and no other port, so you get one cable per unit. That keeps cabling simple for a classroom or a small R&D bench. If your station needs a serial or GPIB link, ask Lost in HCM which Keithley model matches. Next, confirm the AC line option, your leads and the software on the PC. Also ask which exact model label ships.
How the 2231A-30-3 compares with a 2230 listing
The 2230-30-3 listing gives the same channel ratings and power, but it names USB and RS-232. The 2231A-30-3 names USB only. Beyond that, the listing describes no differences. Therefore, ask Lost in HCM before you assume anything else.
Rent the Keithley 2231A-30-3 power supply, or buy it
Rent it for a semester course, a short research project or a pilot line. Buy it when the same lab runs year after year. Then, because Lost in HCM confirms each quote individually, request a quote from Lost in HCM with your dates and quantity. Browse the power supply listings for other ranges, read the Tektronix pages for Keithley background or contact SMK Vietnam. Before use, however, follow the Keithley manual for grounding and safe limits.
2231A-30-3 questions
Does the 2231A-30-3 have RS-232?
The listing names USB only. The 2230-30-3 listing names USB and RS-232.
Can several students use one unit?
Yes. Each of the three outputs is isolated, so separate circuits can share the unit. Check your lab safety rules first.
What should I confirm before I order?
Ask about the AC line option, leads, software and exact model label. Lost in HCM confirms price and availability individually.
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