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Choosing a uni-t multimeter
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NE666:

--- Quote from: bdunham7 on August 19, 2024, 03:16:44 pm ---Could you explain exactly what a "substation with relay protection" is?

--- End quote ---

A mains utility switching and distribution site. "Relay protection" refers to the systems used therein to trip high voltage / high current circuit breakers in the distribution path automatically, in the event of a fault being detected e.g overload, phase to ground short etc.

That is to say, as others have said, it's not a place to be bringing toy instruments to work.
Furna:

--- Quote from: Fungus on August 19, 2024, 03:17:13 pm ---
--- Quote from: skander36 on August 19, 2024, 03:01:42 pm ---With ut195m you are at 30 euro away from Brymen 867 which is a no-brainer choose ...

--- End quote ---

Is even that level of meter necessary? Brymen makes many meters for under 100 Euros.

eg. https://brymen.eu/shop/bm2807-cse/

--- End quote ---

I am not a fun of those web sites that looks like the manufacturer's one and are more expensive than an authorized distributor ...

Anyway Brymen BM2807 CSE is rated 600V only; BM867s is what could satisfy the OP that speak about 1000V.

But really the emplyer should provide what the employee need to carry on the duties.
Furna:

--- Quote from: tszaboo on August 19, 2024, 03:25:42 pm ---
--- Quote from: skander36 on August 19, 2024, 03:01:42 pm ---
With ut195m you are at 30 euro away from Brymen 867 which is a no-brainer choose ...

--- End quote ---

Very good point on that. Just checking, is it tested by third parties?

--- End quote ---

BM869s is for sure "UL Listed", not sure about BM867s anyway Brymen is a very reputable company.
bdunham7:

--- Quote from: NE666 on August 19, 2024, 03:40:25 pm ---A mains utility switching and distribution site. "Relay protection" refers to the systems used therein to trip high voltage / high current circuit breakers in the distribution path automatically, in the event of a fault being detected e.g overload, phase to ground short etc.

That is to say, as others have said, it's not a place to be bringing toy instruments to work.

--- End quote ---

I know what it means generally, but I'm thinking the OP might mean something else.  Electrical substations usually have a lot more than 1000V in at least part of their wiring.  Here in the US they typically don't have any low voltage at all except for perhaps control systems. 
skander36:

--- Quote from: Furna on August 19, 2024, 03:53:28 pm ---
--- Quote from: tszaboo on August 19, 2024, 03:25:42 pm ---
--- Quote from: skander36 on August 19, 2024, 03:01:42 pm ---
With ut195m you are at 30 euro away from Brymen 867 which is a no-brainer choose ...

--- End quote ---

Very good point on that. Just checking, is it tested by third parties?

--- End quote ---

BM869s is for sure "UL Listed", not sure about BM867s anyway Brymen is a very reputable company.

--- End quote ---

Both meters are on the same platform and certifications. The 869s has some features extra.
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