UKAS & BSI

Accredited

On-Site

Calibration

Rapid

Turnaround

All Major

Brands

Account

Managed

39 Years

Experience

UKAS & BSI

Accredited

On-Site

Calibration

39 Years

Experience

Live Line Tester Calibration

Specialised high voltage calibration services

Live line testers are essential pieces of test equipment for engineers maintaining live high voltage networks. Using these instruments, technicians can easily verify if conductor rails have been successfully isolated from the mains supply before maintenance work is carried out on the system, this is essential for technician safety and used extensively across worldwide electrified rail networks.

Most live line testers do not report any measurements of voltage but use an audible alarm or red led indicator to show the status of the power line under test. These units perform tests on systems up to 1100V DC and are made up of two voltage poles encapsulated in a robust enclosure to ensure they perform well in field-based applications. Threshold voltage is around 300v and the items are sometimes provided as part of a full test kit including a proving unit, carrying case and other safety critical accessories.

Calibrationhouse as part of the Seaward Group benefits from 40 years of experience in design, manufacturing, and calibration of live line testers, particularly its LLT model which is the preferred choice of Network Rail and many other rail industry suppliers. We recommend our LLT and other such devices are calibrated at 12 monthly intervals to make sure threshold voltages have not drifted.

Owing to the high voltage required to calibrate these devices, many calibration suppliers may find it difficult to test these items onsite. Calibrationhouse through specialised test equipment does however have the facility to offer live line tester calibration at a customers premises, which will significantly cut down equipment downtime. Rapid laboratory turnaround calibration is also available should this be a better option for certain customers with shutdown periods.

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