Reflekt / Transflekt — time-domain reflectometers (TDR) for locating LV cable faults
Country: United Kingdom · Model: Reflekt / Transflekt
Reflekt and Transflekt are LV cable fault locators based on time-domain reflectometry (TDR). Reflekt is a portable automatic instrument with IP65 and a QVGA 320×240 display, while Transflekt is a fixed monitor for 440 V, 50 Hz networks that catches intermittent faults. Transflekt ranges are 250–2000 m.
- Reflekt
- automatic TDR; single-, two- and three-phase networks, live and dead; QVGA 320×240 display; Li-Ion 4600 mAh, 4 h charge; −20…+60 °C; IP65
- Transflekt
- transient fault TDR monitor 440 V RMS, 50 Hz; ranges 250/500/1000/2000 m; resolution 1–8 m (VF 0.67); pulse 5 V, 120–960 ns; gain −20…+42 dB
- Transflekt — communication
- 4G to gateway, Wi-Fi and web server
- Connection
- crocodile clips, optional Rogowski belts
Technical specifications
| Reflekt | automatic TDR; single-, two- and three-phase networks, live and dead; QVGA 320×240 display; Li-Ion 4600 mAh, 4 h charge; −20…+60 °C; IP65 |
|---|---|
| Transflekt | transient fault TDR monitor 440 V RMS, 50 Hz; ranges 250/500/1000/2000 m; resolution 1–8 m (VF 0.67); pulse 5 V, 120–960 ns; gain −20…+42 dB |
| Transflekt — communication | 4G to gateway, Wi-Fi and web server |
| Connection | crocodile clips, optional Rogowski belts |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
Reflekt interprets complex reflectograms itself and gives a result with a confidence level, so less experienced staff can work with it. “Expert” mode opens all TDR parameters and a real-time comparison of six conductor combinations. The instrument is connected to all cores at once, without re-switching pairs, in single-, two- and three-phase networks, live and dead, and only the number of phases, the position of the link or fuse, the velocity factor and the fault type are entered. It is powered by a 4600 mAh lithium-ion battery, charged in 4 h from 12 V or the mains, temperature range −20…+60 °C. Transflekt does not stress the cable with an raised voltage that could damage it further, but waits for the defect to show up at working voltage. It continuously records voltage, current and reflectograms, and during an event sends them to a remote server. Connection is by clips without changing the circuit, with Rogowski belts if needed, ranges 250/500/1000/2000 m, resolution 1–8 m at VF 0.67, pulse 5 V with a duration of 120–960 ns, gain −20…+42 dB. Communication is by 4G to a gateway, and locally through a Wi-Fi access point and web server. Several devices allow the location to be triangulated on branched networks.
How to choose
For a field crew that needs a result on site, take Reflekt, which is compatible with Rezap Faultmaster. When the defect is intermittent and cannot be found by testing the cable, install Transflekt. It is designed for a 440 V, 50 Hz network. After that, the Snoopi gas analyzer is used to confirm the place on the ground.
Request a price and lead time
Reflekt / Transflekt — time-domain reflectometers (TDR) for locating LV cable faults. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
In which networks does Reflekt work?
In single-, two- and three-phase LV cable networks, live and dead, with IP65 and a temperature range of −20…+60 °C.
How long does the Reflekt battery take to charge?
The 4600 mAh lithium-ion battery charges in 4 h from 12 V or from the mains.
What ranges and resolution does Transflekt have?
Ranges of 250, 500, 1000 and 2000 m, resolution 1–8 m at a velocity factor VF of 0.67.
Why does Transflekt not test the cable with raised voltage?
Such a test can damage the cable further and lead to the wrong defect. Transflekt waits for the fault to show up at working voltage.
How does Transflekt send data?
Through 4G to a gateway, and locally through a Wi-Fi access point and web server.
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