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Not ideal for low current
3.0
Purchased this DL3021 for both higher and low power applications. I work on several projects that have current usage under 10mA. So the first thing I did was power up the load, connect it to my power supply at 5v, type in 600 ohms constant resistance (~8.3mA) and turn on the tap. And guess what? Nothing happened, it was like the load was off. It starts to work at 9-10ma and is stable after about 12ma. I called Rigol and they confirmed this is as designed. The load works great at higher power but this was a deal breaker for me and I ended up returning the unit a couple of days later and getting a different brand not sold at TEquipent. Oh, and as other people have mentioned in their reviews, the UI is annoying but usable. All the UI issues mentioned are still present.
Verified Purchase Paul on Jun 09, 2020 I found this helpful (1)