Need assistance with one of our products? Get in touch with our Technical Support Team who are on hand to provide support from 9:00 to 17:00 hrs (London/Paris), Monday to Friday. If you require support outside this time, we will aim to get back to you as soon as possible.

Please phone the following number, and select ‘OPTION 2’:

+44 (0) 141 488 3664

Or you can contact us by email:

If you have a general enquiry, please email us at

Product and Installation Manuals

Distributed Electrical Sensing (DES) Interrogator – Product Manual

DES Interrogator Man

Distributed Mechanical Sensing (DMS) Interrogator – Product Manual

Passive Secondary Converter Single-Phase (PSC-1) – Installation Manual

Passive Secondary Converter Three-Phase (PSC-3) – Installation Manual

Overhead Line Sensor (OHLS) – Installation Manual

Secondary Connected Module (SCM) – Installation Manual

Sheath Photonic Current Transducer (S-PCT) – Installation Manual

Photonic Strain and Temperature Sensors – Product Manual

Low Voltage Photonic Current Transducer (LV-PCT) – Installation Manual