Description
Some precision work needs more voltage and less current. The Keithley 2280S-60-3 power supply trades amps for volts, with up to 60 V and 3.2 A on one output and a 192 W rating. Lost in HCM lists it for rental and sale, so a lab can pick the range that fits its device.
Trading current for voltage
The 2280S-32-6 sister listing gives 32 V and 6 A at the same 192 W. This model moves the other way, so it suits devices that need a higher rail but draw modest current. Examples include 48 V class modules, sensors and converter inputs under characterization. Meanwhile 60 V times 3.2 A equals 192 W, so the full ratings do work together.
| Rating | Listed value |
|---|---|
| Outputs | 1 |
| Maximum voltage | 60 V |
| Maximum current | 3.2 A |
| Maximum power | 192 W |
| Connectivity | USB, GPIB and LAN |
| Voltage programming accuracy | 0.02% plus a model-dependent offset |
| Current measurement resolution | Down to 10 nA |
Noise to plan for
The listing gives output noise below 2 mV RMS for this model, against below 1 mV RMS for the 32 V unit. If your circuit is very sensitive, weigh that gap against the extra voltage. For most digital and power-stage work, the Keithley 2280S-60-3 power supply stays quiet enough.
Measure while you power
Current measurement resolution reaches down to 10 nA, according to the listing. Therefore one instrument can both feed a device and show how much it draws. Ask Lost in HCM which range delivers the finest step. Also read the datasheet for the offset behind the 0.02% voltage programming accuracy.
Setting up the Keithley 2280S-60-3 power supply
Confirm the AC line option, the leads, the rack arrangement and your control software first. Then check polarity, grounding and protection settings, because 60 V can harm a part wired the wrong way. USB, GPIB and LAN all work for scripts, so match the port to the drivers on your test PC.
Request a quote
Rent for a design review or a qualification sprint. Buy when the unit will serve a station for years. In both cases request a quote from Lost in HCM with your dates and site. Other options sit in our power supply listings, and Tektronix publishes the Keithley manuals. You can also contact SMK Vietnam.
Choosing the 60-3
When should I choose the 60-3 over the 32-6?
Choose it when your device needs a rail above 32 V and draws no more than 3.2 A.
Is its noise figure higher?
The listing gives below 2 mV RMS for this model, against below 1 mV RMS for the 2280S-32-6.
Can I rent it before buying?
Yes. Lost in HCM lists rental and sale, and the quote sets the period and accessories.
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