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Question about metering solutions.

whjohnson

Am looking for a quick and cheap solution to a requirement to provide metering for a single appliance, in this case a dairy fridge/chiller for a farmer.

The refrigeration unit is on a 13A plug and socket. and I thing the max draw when the compressor kicks in is only around 1.5A.

The guy wishes to 'rent out' the unit for a third party to use and he needs to  know how much to charge for it's electricity consumption.

What would be the easiest solution to this? Leave the existing socket outlet alone and just insert some kind of meter in line with the appliance flex? (If such an item exists)

Or just insert a meter between the supply and the socket outlet concerned. Note: metering is not possible from the consumer unit end.

A 100A meter seems like overkill for what is actually needed.

Comments welcome.

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    if there is room for a box with some DIN rail then one of these might do it.  Not much bigger than an MCB, they can be read remotely with a computer over an RS485 interface but generally pushing the buttons and squinting at the display seems to be preferred. Many clever programming modes available but best avoided. The small direct wired one, not the one that connects to an external current clamp. Also similar things made by Finder..

    Not of course certified and sealed like a proper suppliers meter, but the price and security level of the DIN package reflects that. Depending how the charging is to be done, that may or may not matter.

    Mike

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  • 0

    if there is room for a box with some DIN rail then one of these might do it.  Not much bigger than an MCB, they can be read remotely with a computer over an RS485 interface but generally pushing the buttons and squinting at the display seems to be preferred. Many clever programming modes available but best avoided. The small direct wired one, not the one that connects to an external current clamp. Also similar things made by Finder..

    Not of course certified and sealed like a proper suppliers meter, but the price and security level of the DIN package reflects that. Depending how the charging is to be done, that may or may not matter.

    Mike

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