THE Energy Regulatory Commission (ERC) cautioned the public about the sale and use of electric watt-hour meters without its authorized seal or those bearing fake seals, stickers, and false meter test ...

but a handheld meter is ideal for the most accurate results. While there are only two types of light to measure (incident and reflective), there are three types of meters a photographer can use ...

Both our electrical meter and our gas meter are located ... which picks out the packets from a reasonably large list of meter types, and pushes them through the USB interface.