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| nctnico:
--- Quote from: ResistorRob on February 28, 2021, 10:11:07 pm --- --- Quote from: bdunham7 on February 27, 2021, 05:31:53 am ---I didn't realize it was a fashion show! If you want 6.5 digits, BK has the 5493C. I don't know where you are looking at prices, but the 5493C will be more than the GW-Instek--it's twice as accurate. --- End quote --- Why do people in construction spend $50,000 on a new truck when a $10,000 will do the same thing? Or pay extra for nicer wheels, nicer paint, or other unnecessary things? An Ugly Pontiac Aztec will get you from point A to point B, but 99% of people wouldn't want one. --- End quote --- That is because you'd also have to wear this hat: |
| floobydust:
We know nothing of the price point for these new Keysight instruments? The playing field has a lot of competition now. |
| tszaboo:
--- Quote from: floobydust on February 28, 2021, 10:35:45 pm ---So you'd have the DMM sitting on ohms function but the mux is left at another pogo pin with HV -DC on it and then the DMM dies. The Ohms current-source can have weak protection on some models/makes of bench meters. --- End quote --- Yeah, you remember, when you could program the BNC on the back to be input complete? Now it's just "VM comp". And honestly, I dont get it why we lost that functionality. It's probably just laziness, or nobody at keysight actually used a 3458A themselves. |
| Kleinstein:
The 34450 is a rather different construction that the 6 digit Keysight meters. It uses an SD ADC chip, like most modern meters in this range. The high Z mode is only up to 1.2 V. This can be a rather simple construction. The internals are likely more similar to the Sigilent SDM3055 or maybe even a handheld than to a Keysight 34460. For 5.5 digits the SD ADC chips are well good enough and they are cheap and low power and they interface nice with 2.5 V to 5 V reference chips. It is more that a similar design could be upgared to a low end 6 digit meter. The AC mode also seems to be with a classic RMS chip and not Keysight's true volt digital RMS. The main similarity to the 6 digit ones maybe the case and some software parts - though for some reason even the screen is different. |
| bdunham7:
--- Quote from: ResistorRob on February 28, 2021, 10:11:07 pm ---Why do people in construction spend $50,000 on a new truck when a $10,000 will do the same thing? Or pay extra for nicer wheels, nicer paint, or other unnecessary things? An Ugly Pontiac Aztec will get you from point A to point B, but 99% of people wouldn't want one. I suspect you are in the 1% that would and don't understand aesthetic appeal. I do electronics for fun and having my bench be visually appealing just adds to the enjoyment. I do see beauty in a lot of vintage test equipment but that Fluke meter is just hideous. The Instek GDM-9061 is 6.5 digit count with 0.0035% accuracy and costs $807 at tequipment.net. BK 5493C is also 6.5 digits and 0.0035% accuracy and costs $834 at the same vendor. So you are mistaken that the BK is cheaper and more accurate. Both have comparable features such as histogram and trending. Don't get your feelings hurt because one person doesn't like one of your suggestions. I tend to be way more visual than your average person and went my gear to look as nice as well as it functions, so I understand it might be hard to wrap your head around if you are more old school and just want something that works and could care less about what the thing looks like. Thanks for your suggestions, but they just aren't what fits my personal requirements. Back on topic... being the visual person that I am I really love these new Keysight products. The prices seem good for what you get with the exception of the function gen. At a minimum I think I will definitely pull the trigger on that power supply. --- End quote --- I was simply responding to your stated desire to acquire a reasonably priced meter that would last a long time. I'm not a Fluke or BK Precision salesman. I'm not oblivious to aesthetics in general, but I find your apparent revulsion at the appearance of a rather ordinary Fluke DMM to be a bit hysterical, thus my amusement. "Egads, get that hideous thing off my bench!" What is it that provokes such a reaction? Is it the light earth tones? The 'dated' 7-segment VFD? Is it too square? I guess I sort of combine aesthetics, ergonomics and function when I think about tools. A good looking display to me is one I can see clearly. What looks good to you? Just to be accurate, I never said the BK was 'cheaper' than anything else. As you've noted, it is more expensive than even the GW Instek that seems to be closest to it in specs, although I'd read those specs pretty carefully before I came to any conclusions. Just be aware as you are shopping that my experience with other models from Instek and BK (I haven't seen either of these two in person) is that in real life they will underperform models from HPAK and Fluke with the same or even worse specs. That doesn't necessarily make them a bad value. And as far as my feelings being hurt, they weren't until you suggested I would be caught dead driving an Aztek. That's a low blow! |
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