| Products > Test Equipment |
| New Uni-T UT61 series (UT61e+) |
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| Fungus:
--- Quote from: Monkeh on February 27, 2021, 06:00:05 am ---The Aneng has an almost certainly equally false CAT rating --- End quote --- Definitely false! But nobody expects a $25-$30 Chinese meter to have a real CAT rating. A lot of people think the much more expensive Uni-T might be. Worse: Some versions of the older UT61E had proper fuses, etc. People might expect a newer "UT61E+" to be an improvement but it looks like a step backwards from a "full fat" UT61E. The only step forwards I see is gold plated test leads, which every meter should have. They make a huge difference. |
| rf-loop:
--- Quote from: Monkeh on February 27, 2021, 04:52:51 am ---The fuses in the UT61E+ are a standard size, on the order of billions in use. --- End quote --- AsianFuse AF63C-10A in UTC61E+ is not fuse like "on the order of billions in use." It is afaik 264/(250) VAC 6kA Icu ceramic 10A fuse. Size 6,3 x 25mm But much much better than in most totally cheap meters where in worst case is 5x20mm normal class fuse with very low Icu. Example normal class tube 5x20mm, Littelfuse series 201P, 250VAC, 0.08kA Icu. Yes max interrupting capability 80A or even worse, 10A Littelfuse type 217, 250VAC and max Icu 35A !!! and kind of these two they belong to this "on the order of billions in use.". Of course AF63C in 61E+ is not at all in same class where is Littelfuse FLU 011. what is 11A / 1000VDC/VAC, 20kA Icu, Size 10.3 x 38.1mm Designed specially for protection in multimeters. |
| Wytnucls:
AsianFuse AF63C is the same as the BS1362 used in every British and most Hong Kong plugs. They cost less than a British pound each. It is a fast/medium ceramic fuse with a breaking capacity of 6kA at 240 VAC (264 V peak). The fuse is not rated for DC, AFAIK. It will blow within 30 minutes at 1.9x nominal current. https://docs.rs-online.com/9819/0900766b8002b71e.pdf |
| Fungus:
--- Quote from: Wytnucls on February 27, 2021, 09:51:22 am ---AsianFuse AF63C is the same as the BS1362 used in every British plug. They cost less than a British pound each. It is a fast/medium ceramic fuse with a breaking capacity of 6kA at 240 VAC (264 V peak). The fuse is not rated for DC, AFAIK. It will break within 30 minutes at 1.9x nominal max current. --- End quote --- Yep, they're not expensive. Almost as cheap as glass fuses in any sort of quantity. What's the burden voltage on those things compared to a glass fuse? Is there a reason to not put them in multimeters apart from saving $0.10? |
| rf-loop:
--- Quote from: Wytnucls on February 27, 2021, 09:51:22 am ---AsianFuse AF63C is the same as the BS1362 used in every British plug. They cost less than a British pound each. It is a fast/medium ceramic fuse with a breaking capacity of 6kA at 240 VAC (264 V peak). The fuse is not rated for DC, AFAIK. --- End quote --- Much better than I have seen in one cheap Chinese "Victor" where was 5x20mm just like some Littelfuse 217 or similar and without even any sign about manufacturer. When Icu is 35 or 80A it can not break even our home electrical outlet short circuit current peak. So it can not protect even in CAT II. |
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