Horstmann Radio Telemeter Series 2a Manual Jun 2026

Imagine a reservoir in the Pennines and a control room in Manchester. No cellular networks. No leased lines (or lines that were too expensive). The Series 2A bridged the gap using VHF radio links, sending analog sensor data as tone-modulated pulses. It was, in essence, a pre-digital SCADA (Supervisory Control and Data Acquisition) system—rugged, battery-sipping, and utterly indifferent to rain or fog.

The represents an important chapter in UK energy history. For properties that still rely on it, the original manual is a lifeline for troubleshooting. However, with the RTS switch-off approaching, treat this device as a temporary solution. horstmann radio telemeter series 2a manual

Before programming times, the internal clock must be accurate. Imagine a reservoir in the Pennines and a

Flipping through a scanned copy (original paper copies fetch $80–150 at technical book fairs) reveals: The Series 2A bridged the gap using VHF