Category Archives: bench
Best Variable DC Power Supply in the US: 2026 Buying Guide
The best variable DC power supply for your US application is the one that fits [...]
300V DC Power Supply Comparison: ETOMMENS eTM-3005C vs VOLTEQ HY30005EX
Both models list adjustable 300V and 5A ranges. The useful comparison is mains compatibility, controls, [...]
How to Choose a Regulated DC Bench Power Supply
A regulated supply maintains its selected output within documented limits as input and load conditions [...]
CV and CC on a DC Bench Power Supply: What the Modes Mean
CV regulates voltage until the load reaches the selected current limit. CC regulates current by [...]
High Voltage Power Supplies in Medical Equipment: Design Requirements
Specialized supplies can power X-ray subsystems or bias radiation detectors. General laboratory supplies are not [...]
DC Power Supplies for Battery Testing: Source, Load and Protection
A source-only supply can support a validated charging or device-power test. Discharge and repeated cycling [...]
Keithley and Tektronix DC Power Supplies: How to Compare Alternatives
Compare an exact instrument and configuration rather than treating a brand as a single specification. [...]
How to Test DC Bench Power Supply Stability
Use separate checks for line regulation, load regulation, ripple, transient recovery and long-term drift. A [...]
800V DC Power Supply Comparison: ETOMMENS, Keithley and GW Instek
The eTM-8006 lists 800V, 6A and 4800W. Keithley 2260B-800-2 and GW Instek PSW 800-2.88 list [...]
How to Choose a Variable High Voltage DC Power Supply
Select voltage, current and continuous power at the real operating point, then verify output insulation, [...]