Why are you double posting on a channel that reviews handheld DMMs? If you are not qualified to do these repairs, don't. If HIOKI no longer services it, time for a new system. I doubt they would provide you any information on it, so you are left to spend time reverse engineering an obsolete unit.
Impressive! I feel reluctant to tell you that I own the DT4282 model. I've had a few moments where I considered sending that one to you and especially now that I've seen the 4252 survive your tests. For now, I think it'll stay on my bench, but should I change my mind, I'll let you know! Thanks for the testing!
+TechnologyCatalyst I thought about getting one for my own use when I was looking for a better meter. I may try and test the current input on this one. I like that they offer their high end meter without current. The meter is packed so tight in that area.
@@joesmith-je3tq You noticed that too huh? It was the prime reason why I ended up getting a dt4255 and dt4281 pair (although used, wonder if they will end up having problems and/or defects when they arrive, hope I don't end up with a faulty 4281). I do have a bm829s for current measurements since it has a seemingly more robust current circuit than every other dmm I have seen, but quite frankly I do not find any reason why one would want to use a multimeter to measure high currents while breaking the circuit. Better use a clamp for that, accuracy is overrated once you leave the mA range. Anyway, hioki did get a dt4261 out, which seems to have a more robust Amps range than their other modern dmms, seems to be using dedicated pcb layers close to the amps and com inputs. It seems to be quite a mess on the capabilities it has though. Some design decisions do not make sense (at least to me).
One thing i do not like at Hioki - at high frequency not read correct voltage.Otherwise it is awesome Once again i need to thank you,it was a pleasure to watch at this video. In the future do you plan to buy Hioki dt4282 ?
You have to write to Japan to get response back. If they would increase diode range to at least 2.5V and improve bargraph it would be great! Old 3801-50 model was also great, they used ball bearings for range switch... Looking forward to see their high-end model tested as well as Fluke 28 :)
+sepertude Without running the 28II on the same setup the 87V was ran, it's hard to say. But again, watching Dave's video, my guess is that it would fail fairly early on.
I thought your rules are that if a meter arcs over inside then that counts as a fail. Unless you've changed the rules the Hioki should have failed at 10kv. I hope someday you run a Brymen through the full range of tests and see exactly where it fails.
+Gooberslot most meters shorts once they start arcing... This meter didn't so he could have still ran higher voltage with the arcing but it may have caused more damage.
![[ENG SUB]How to Use Hioki GENNECT CROSS with DT4261 Wireless DMM- Tutorial & Review (Part 2/3)](/img/n.gif)
Where can I find those dust covers for the banana inputs?
I am curious. Where would you ever measure 15 Kilovolts?
Wait, wasn't I just measuring 15kV??
You could publish the results table? Thank you.
+jose carlos sanchez www.eevblog.com/forum/testgear/hear-kitty-kitty-kitty-nope-not-that-kind-of-cat/msg688012/#msg688012
Dear friends I need to repair hioki 2003 3256-50 digital hitester multimeter video. Not properly working.
Why are you double posting on a channel that reviews handheld DMMs? If you are not qualified to do these repairs, don't. If HIOKI no longer services it, time for a new system. I doubt they would provide you any information on it, so you are left to spend time reverse engineering an obsolete unit.
Impressive! I feel reluctant to tell you that I own the DT4282 model. I've had a few moments where I considered sending that one to you and especially now that I've seen the 4252 survive your tests. For now, I think it'll stay on my bench, but should I change my mind, I'll let you know! Thanks for the testing!
+TechnologyCatalyst I thought about getting one for my own use when I was looking for a better meter. I may try and test the current input on this one. I like that they offer their high end meter without current. The meter is packed so tight in that area.
@@joesmith-je3tq You noticed that too huh? It was the prime reason why I ended up getting a dt4255 and dt4281 pair (although used, wonder if they will end up having problems and/or defects when they arrive, hope I don't end up with a faulty 4281). I do have a bm829s for current measurements since it has a seemingly more robust current circuit than every other dmm I have seen, but quite frankly I do not find any reason why one would want to use a multimeter to measure high currents while breaking the circuit. Better use a clamp for that, accuracy is overrated once you leave the mA range.
Anyway, hioki did get a dt4261 out, which seems to have a more robust Amps range than their other modern dmms, seems to be using dedicated pcb layers close to the amps and com inputs. It seems to be quite a mess on the capabilities it has though. Some design decisions do not make sense (at least to me).
One thing i do not like at Hioki - at high frequency not read correct voltage.Otherwise it is awesome
Once again i need to thank you,it was a pleasure to watch at this video.
In the future do you plan to buy Hioki dt4282 ?
+Anonymous Nameless You never know what I may run. My plan is to run a few pocket meters next.
+joe smith
Sounds good.I follow you on eevblog.
You have to write to Japan to get response back.
If they would increase diode range to at least 2.5V and improve bargraph it would be great!
Old 3801-50 model was also great, they used ball bearings for range switch...
Looking forward to see their high-end model tested as well as Fluke 28 :)
+sepertude After seeing Dave's test on the 28, I can't see much reason to run one. I would like to have a look at the high end Hioki.
What is your opinion on Fluke 28? Better protection than 87V?
Here is Hioki DT4281 www.eevblog.com/forum/testgear/hioki-dt4281-multimeter-teardown-and-first-impression/
+sepertude Without running the 28II on the same setup the 87V was ran, it's hard to say. But again, watching Dave's video, my guess is that it would fail fairly early on.
+sepertude It's tight. Real Tight!
I thought your rules are that if a meter arcs over inside then that counts as a fail. Unless you've changed the rules the Hioki should have failed at 10kv.
I hope someday you run a Brymen through the full range of tests and see exactly where it fails.
+Gooberslot most meters shorts once they start arcing... This meter didn't so he could have still ran higher voltage with the arcing but it may have caused more damage.