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Metrohm DC Live Line Indicator to 3000V DC - LLI3000

Metrohm
SKU: METROHMDCLLI3000V
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Key Features
DC Voltage Live Line Indicator Kit to 3000V DC. Ideal on Railway, Tram and Metro systems.

Related Categories

Live Line Testers and Indicators
Description

Metrohm DC Live Line Indicator to 3000V DC - LLI3000

The Metrohm LLI3000DC 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 staff and system security.

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

Other pages: 750V DC Live Line Indicator - LLI750DC 1500V DC Live Line Indicator - LLI1500DC

DC Live Line Indicator Key Features:

  • Voltage Range: 3000V DC.
  • Std Thresholds: 1000V DC.
  • Resistor Chain: 6 MΩ.
  • Operating time: 5 minutes nominal.
  • Visual indication: LED's.
  • Status: Alarm Red Flash @ 2Hz.
  • Status: Safe Green Flash @ 2Hz.
  • Audible indication: Buzzer, 3.1 kHz tone, modulated @ 2Hz, 70dBA @ 1.5 Metres.
  • Battery life: 250 Operations minimum.
  • DC Live Line Indicator Warranty: 1 year

For safety 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.

What's In The Box?

  • 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
Specification
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£1,510.80 (Inc. VAT) £1,259.00 (Ex. VAT)