| Products > Test Equipment |
| Siglent SPD3303D review |
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| FrankBuss:
Yes, the lock key is a limited version of the "limit" function which some of the Rigol power supplies have, see minute 18:46 in this video: |
| Salas:
Panel keys lock is alright, does the job. The X series have a good enough UI by now too. I like the compact form factor and silent operation of our Siglent vs the Rigol. Also the relays for series. No need for wire jumpers to change modes. I am also happy with the after sales service. A friend has the Rigol and its way too bulky and noisy for me, also the screen characters are small and many. A crowded display. All same color. If Siglent could retro-fix the S series firmware for all digits selection to be changing with the rotary I would be happy. If they could be also adding set and out display sections like on the X it would be perfect. They are the same PSUs except there is also network in the X. That could mean a different controller chip inside though. |
| leonerd:
--- Quote from: Helix70 on April 06, 2016, 08:57:55 pm ---With the new firmware, the display makes much more sense, and can set the set points independently of the measured output. --- End quote --- Oooh - is that the thing I was suggesting way back a year ago or so? Do you have any pictures you could show us of the new display form? --- Quote from: Helix70 on April 06, 2016, 08:57:55 pm ---It is also worth noting that the 2.5/3.3/5V channel is overload protected, but the current limit is not adjustable. A pity, but you do have 2 other channels with full control. --- End quote --- Yeah - I'm really not sure I consider this to be a 3-channel power supply. It's more like 2-and-a-bit. CH3 is not a real channel. |
| nidlaX:
Has anyone noticed whether or not the fan speed will drop when you enable the output? I know that the fan speed varies according to the temperature of the main heatsink, but the fan speed on my unit always drops considerably when the output is enabled compared to when it's disabled. It makes me wonder if there is a power rail issue. |
| Zbig:
Mine does the same. Perhaps the fan is powered straight from the rectified output to ease on the regulator? Haven't checked, though. |
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