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Also known as a multitester, or a VOM (Volt-Ohm meter), a multimeter is an electronic measuring instrument used to measure voltage, current, and resistance. Includes handheld and tabletop testing devices.

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Meter displays OL in voltage continuity mode with or without probes?

Quite an expensive Voltmeter device , did this from day one

OL means ‘over load’ but it isn’t even connected to anything

i suspect it is faulty but wanted to find out if anyone else has experienced this and maybe it’s simple

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It seems to say OL and need power cycle even with no probes attached or both probes attached - even when connected to each other or the same wire.

is there anything I can try ?

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Hi @cristianan ,

What is the make and model number of the meter?

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Hi @jayeff

It’s a Voltcraft R-200 I purchased from Conrad Electronic

I have written them a bunch of times and to voltcraft but to no avail...

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OL does not mean "Over Load", it means "Open Loop". The meter is fine, it is an open circuit, meaning it has no voltage to measure.l

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when I make lighting cable megger test display show OL, what does mean OL?

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This is a common misunderstanding but OL means open line. It means that what is being measured is not making it’s way from black probe to red probe.

You will always see this in diode mode, ohm mode and continuity mode when the probes are not touching each other / not connected.

For example when measuring a circuit you may get OL when a resistor is completely blown or when you measure two pads of where a resistor should have been present.

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Might have bad probes too, it can happen

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Hi,

Showing my age and age of my DMM.

Was wondering what new mode "continuity" was in a DMM then realized that it is mho mode.

Cheers.

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Hi @cristianan

If it only displays OL when in the Volts or Continuity measuring ranges and not when selecting other functions such as capacitance or current then as you say the meter has a fault with these two functions.

You say that “I have written them a bunch of times and to voltcraft but to no avail... “.

I’m not sure if you mean that you just wanted to get technical advice from them or not but as there is a 3 year Voltcraft manufacturer’s warranty on the meter and if the warranty period is still valid I suggest that you contact Conrad about claiming a manufacturer’s warranty repair or replacement.

If I am reading it correctly there is also a 2 year guarantee by Conrad on their “electronic items” so you should be covered either way if the meter is less than 2 years old.

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If you’re ohming something and it reads “OL” then your loop is open, in other words the path is not continuous (broken/separated)

If you’re in the voltage setting and it reads “OL” then the voltage you’re measuring is too high for your meter to read.

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