Description
The High Voltage DC Live Line Indicator (LLI-750) 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. The DC LLI-750 gives both visual (high intensity flashing red LED’s) and audible (70dB) alarm should a conductor under test indicate as live.
- Voltage Range: 750V DC.
- Std Thresholds: 250V DC.
- Resistor Chain 1.5MΩ.
- 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.
