Horstmann Radio Telemeter Series K Manual Apr 2026

Long-time users often share two main stories about these units: The Rolling Reset:

The manual highlights a small arrow or indicator on the screen. This tells you which rate is currently active. If you see the arrow next to "Rate 2" or "Low," you are currently paying less for your power. Radio Accuracy:

. This device acts as a precise radio-controlled switch that listens for a specific long-wave signal (often broadcast via BBC Radio 4 transmitters) to tell your electricity meter exactly when to switch between daytime and nighttime tariffs, such as Understanding the "Series K" Manual

If you’ve found yourself staring at this box in a dark cupboard, here is the "story" told by its operation manual: The Dual Display: horstmann radio telemeter series k manual

Horstmann Radio Telemeter Series K is more than just a piece of hardware; it’s a relic from the early days of "smart" energy management in the UK. The Backstory: The "Brain" of the Meter

The meter also has a display that shows the current rate, the date, the time, and the energy consumption for each rate. Radio Telemeter series K Help - MoneySavingExpert Forum

Occasionally, if the radio signal is blocked or the transmitter is down, the telemeter might fail to switch. The manual suggests checking if the internal clock icon is flashing, which usually means it’s searching for its radio "orders". Are you looking to download a specific PDF of this manual, or do you need help interpreting a specific reading on your display? Horstmann Radio Telemeter Series K Manual - Facebook Long-time users often share two main stories about

Unlike older mechanical time switches that could drift and get out of sync (causing your "night" rate to start at 2 AM instead of midnight), the "Radio" part of the Series K ensures it is always perfectly synced with the National Grid’s clock. Troubleshooting Tales

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

The meter also has a display that shows the current rate, the date, the time, and the energy consumption for each rate. Radio Telemeter series K Help - MoneySavingExpert Forum Radio Accuracy:

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 meter display only has five digits. Once you hit 99,999 units, it rolls back to zero. Many homeowners think their meter is broken when it suddenly shows a tiny number after years of high readings. The Signal Loss:

Radio Telemeter is just a very accurate controller of when the rates are switched and nothing really to do with the meter. MoneySavingExpert Forum Horstmann Radio Telemeter Series K Manual - Facebook

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: