The Series K typically works with a meter that shows two different readings: one for the "Normal" (day) rate and one for the "Low" (night) rate. The Switch Indicator:
In the late 20th century, electricity suppliers needed a way to manage high-demand periods. Instead of relying on a human to manually flick a switch at your house, they used the Radio Telemeter Series K horstmann radio telemeter series k manual
Radio Telemeter is just a very accurate controller of when the rates are switched and nothing really to do with the meter. MoneySavingExpert Forum The Series K typically works with a meter