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HVI Live Line Indicator 750V DC

Part No : LLI-750DC

Quick Overview

Live Line Indicator 750V DC

Availability: In stock

£845.00
OR

Details

High Voltage Instruments LLI 750V DC Live Line Indicator 

 

The High Voltage DC Live Line Indicator (LLI) is a battery operated electronic unit that has been specifically designed to test DC systems - with particular relevance to Mass Transit Railway (Metro) & Tram based models. Although usually applied to overhead catenaries they can also be used on “third rail” installations. Proving that the system is de-energised – and can thus be safely earthed – is important to both maintenance staffand system security.

Three versions are available to cover the most common system voltages of 750V, 1500V and 3000V DC.

The DC LLI gives both visual (high intensity flashing red LED’s) and audible (70dB) alarm should a conductor under test indicate as live. Each version has a threshold setting of approximately 33% of system voltage, above which the line is deemed to be energised.

The unit is first armed with the test button which will cause the alarms to activate and upon releasing the button the red LED’s will be replaced by green ones and the audible alarm will stop. The green condition will remain active for about 5 minutes during which time the unit can be applied to the line under test and if the threshold is exceeded the warning alarms will again be activated. Pressing the test button also performs a battery check.

A universal “star wheel” adaptor is also available to connect to other operating poles and alternative clamps are available to suit various earthing systems, e.g. buried rail.

 

Live Line Indicator Kit

Each complete kit comprises: 

 

DC Live Line Indicator with earth lead & clamp 

Bowthorpe Rod Adaptor incorporated into indicator case moulding 

Universal Star-wheel Adaptor 

Hook, Y and straight electrode 

Polymer Cleaning Kit 

Instruction manual 

Carry Satchel

 

 

 

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