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Keithley 2100,2000, etc or Chinese bench multimeters?
KungFuJosh:
--- Quote from: nctnico on October 28, 2024, 05:55:03 pm ---Around 16:00 he compares the GDM-9061 against the Siglent SDM3065 and the Siglent does seem to drift a bit.
--- End quote ---
Yeah, and the Siglent only had 5 minutes of warm up time. That's not enough for either of the meters to be perfectly stable.
Next questions: Which reading was more accurate? What's the certified value for his ref? Is it in cal still? Is that reference really that stable?
That Instek looks pretty nice though. Might look good on my bench next to my SDM3065X. 😉
--- Quote from: temperance on October 28, 2024, 07:18:44 pm ---Also check the price for extra PC software if you need that. Tek's Kickstart software will cost you €177 annually or over €500 for a perpetual license. EasyDMM for a Signlent is free.
--- End quote ---
Yes, but EasyDMM sucks compared to TestController, which is also free.
temperance:
--- Quote from: KungFuJosh on October 28, 2024, 07:21:46 pm ---
--- Quote from: nctnico on October 28, 2024, 05:55:03 pm ---Around 16:00 he compares the GDM-9061 against the Siglent SDM3065 and the Siglent does seem to drift a bit.
--- End quote ---
--- Quote from: temperance on October 28, 2024, 07:18:44 pm ---Also check the price for extra PC software if you need that. Tek's Kickstart software will cost you €177 annually or over €500 for a perpetual license. EasyDMM for a Signlent is free.
--- End quote ---
Yes, but EasyDMM sucks compared to TestController, which is also free.
--- End quote ---
I never tried EasyDMM.
djsb:
The dual measurement function of the GDM-9061 could be useful. It also has the GPIB option but no multiplexer option. The better displays on the Siglent and GW-Instek are a plus over the limited Keithley displays. I have an Instek GPP-4323 which it would sit nicely alongside.
KungFuJosh:
--- Quote from: djsb on October 28, 2024, 08:06:43 pm ---The dual measurement function of the GDM-9061 could be useful. It also has the GPIB option but no multiplexer option. The better displays on the Siglent and GW-Instek are a plus over the limited Keithley displays. I have an Instek GPP-4323 which it would sit nicely alongside.
--- End quote ---
The Siglent and the Keithley DMM6500 all support dual measurements. I think you should consider a modern model from those 3, and then it's hard to go wrong. Siglent is the least expensive, then the Instek, and most expensive (of course) is the Keithley. Personally, I want all 3. 😉
tautech:
--- Quote from: KungFuJosh on October 28, 2024, 07:21:46 pm ---
--- Quote from: nctnico on October 28, 2024, 05:55:03 pm ---Around 16:00 he compares the GDM-9061 against the Siglent SDM3065 and the Siglent does seem to drift a bit.
--- End quote ---
Yeah, and the Siglent only had 5 minutes of warm up time. That's not enough for either of the meters to be perfectly stable.
Next questions: Which reading was more accurate? What's the certified value for his ref? Is it in cal still? Is that reference really that stable?
That Instek looks pretty nice though. Might look good on my bench next to my SDM3065X. 😉
--- Quote from: temperance on October 28, 2024, 07:18:44 pm ---Also check the price for extra PC software if you need that. Tek's Kickstart software will cost you €177 annually or over €500 for a perpetual license. EasyDMM for a Siglent is free.
--- End quote ---
Yes, but EasyDMM sucks compared to TestController, which is also free.
--- End quote ---
Yet EasyDMM is easier to use should you not have any programming skills.
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