Online's range of non-intrusive, ATEX & IECEX rated ultrasonic signallers detect, signal and log the passage of any pipeline pig, onshore and offshore.

Events are signalled as they occur via a graphical display and high brightness LEDs positioned around the perimeter of the display. The unit logs the time and date of up to 99 events. Logged events can be viewed locally on the display or transmitted remotely.

• Can result in both time and cost savings during pigging operations.
• Suitable for all pig types - no transmitters or magnets are required to confirm passage or location in the receiver.
• ATEX & IECEX certified non-intrusive Passive signaller.
• Improved user interface.
• Quick and easy installation using ratchet straps or stainless steel banding.
• Suitable for gas and liquid pipelines.
• Main housing can be mounted remotely up to 10 metres from sensor for use on buried pipelines or where access is limited.