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MRT-500

Underground cable and pipe locator

 

The MRT-500 device is an underground cable and pipe locator, which makes it possible to trace distribution networks quickly, easily and accurately.

  • Energised Cables
  • De-energised Cables
  • Low Voltage, Medium Voltage and High Voltage Lines
  • Metallic and non-metallic pipeline

Specially designed for contractors, maintenance departments, civil works, GIS, etc., to locate and trace the cables of their distribution networks. It is also valid for locating and tracing underground pipe networks.

In addition, thanks to its compatibility with the GridGIS Map Creator digitisation app (developed by Ariadna Grid), it allows the underground network to be digitised accurately.

Main features

  • Receiver with 5 Sensors, strategically distributed
  • Visual and acoustic indication of cable/pipe
  • Measurement of the depth and current amplitude
  • Depth measurement accuracy (<3% up to 2m; <5% up to 10m)
  • Detects 4 active and 2 passive frequencies
  • Up to 10 mts depth (factory configurable for higher values)
  • Operation time >20h
  • Transmitter with 10W of power, user-adjustable
  • Correct performance > 10 km in length
  • Rechargeable internal battery in both devices

 

Others applications

Underground piping networks maintenance (optional)

The MRT-500 device with its different accessories, allows to locate and to trace pipes, in an agile and effective way. It is suitable for both METALLIC and NON-METALLIC pipes, allowing maintenance teams to know exactly where the pipe they need to work on runs, before digging. Avoiding perforate the routes of other services

Metal Piping

  • Direct connection to any accessible point of the pipe
  • No need for guides or probes
  • CPS mode with polarity of the induced signal allows to see the direction of the current and to discriminate returns.

 

Non-metallic piping

  • Specific guide and probe accessory pack for non-metallic piping

 

Electric distribution network digitisation (optional)

 

Once the network assets have been located, the next step in the digitisation of electrical networks is to know where the connection lines run between the different assets.

Merytronic has developed a complete solution, consisting of the MRT-500 device together with the GridGIS Map Creator app. This solution makes it possible to locate and trace the network while recording the data in the digitisation app. Thanks to the app, existing data can be downloaded from the company’s GIS system on a map of the terrain, edited and expanded during field work and uploaded to the system once the work has been completed. This process is carried out in a simple way, thus avoiding transcription errors.

 

Piping networks digitalisation (optional)

 

The MRT-500 device and its digitalisation app GridGIS Map Creator, help to carry out the digitalisation of distribution networks for Oil&Gas companies in an agile and efficient way.  It is suitable for metallic and non-metallic pipes.

Thanks to the app, existing data can be downloaded from the company’s GIS system on a map of the terrain, edited and expanded during field work and uploaded to the system once the work has been completed. This process is carried out in a simple way, thus avoiding transcription errors.

 

There is an advanced version of the locator, the MRT-700, with more features and functionalities.

 

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Ariadna CI-DE

Identification of De-energised cable

The cable identifier Ariadna CI-DE device allows to identify any type of de-energised cable, in a RELIABLE, SIMPLE and SAFE way.

Specially designed for maintenance tasks involving the handling of electrical cables, it is an effective tool that allows operators to easily and without error identify de-energised cables from other conductors in trenches, manholes, panels…

It doesn’t require calibration before using it, factory calibrated.

MAIN FEATURES

  • De-energised cable identifier
  • Single-phase and three-phase cables
  • Signal injection by Direct connection or Induction clamp
  • Cable length > 50 km (direct connection)
  • Induction signal amplitude and polarity detection
  • Identification sound alert
  • Operation time > 24 h (level 2)
  • Rechargeable battery on the transmitter (CI-DE Tx)
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MRT-700 CI

Underground cable locator as a cable identifier

 

The technology used for current injection in underground cable locators must be different from that of cable identifiers for electrical safety. In both cases the injected signal and the electrical circuit are different.

The conventional locators can be fitted with a sensor for pre-identification of the cable using the same injected signal as in the tracer, with a good hit rate in some cases.

MERYTRONIC’s underground cable and pipe locator, MRT-700, can be ordered with a cable identifier for de-energised cables, providing 100% reliable identification. In this case we are talking about two devices in one.

This combined solution is very useful for companies working with underground cables. It is very common to find many cables in the same trench when tracing a line. Which one is the correct? That’s where the MRT-700-CI plays a key role – in addition to tracing the cable, you can identify the line unambiguously, saving a lot of time and avoiding accidents.

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2 Pole vertical fuse rail / fuse disconnector for DC

The vertical 2 pole fuse base (BBAV and BBAV-P) is available for sizes: NH 1-1XL-2XL-3L, and current: 160/250/500 A

The vertical 2 pole fuse disconnector (BBCV) is available for sizes: NH 1XL-2XL-3L, and current: 250/500 A

The fuse base version (BBAV-P) provides a front side protection degree (without fuse) of IP20 whereas lateral protection. Adittionally, the fuse disconnector version (BBCV) provides two fuse-holders that allows a very simple and effective way at insertion / extraction of the fuse.

Mounting on the standard 185/370 mm busbar system.

 

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Fuse switch disconnectors for DC

LV fuse switch disconnectors type NHC, for DC 1000V up to 250 A.

All the thermoplastic components have V-O flammability class materials.

1 POLE

Size: NH 1/2

Current: 160/250 A

2 POLES

Size: NH 00

Current: 160 A

 

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MRT-700 FF

Fault pinpointing on cables and pipes

 

The MRT-700 (*) device has the functionality of Fault pinpointing on cables and pipes. These faults are caused by the deterioration of the coating on the pipe and damage in the cable isolation, whereby the metal part of the cables and pipes may come into contact with the ground.

By combining the MRT-700 device with the A-frame connected to the receiver, it is possible to identify and locate the exact point of the faults. A special frequency – 8KFF – (Fault Locating Frequency) is injected to perform this detection work. High accuracy (<5 cm)

The MRT-700 allows simultaneous cable route tracing and fault pinpointing.

(*) MRT-700 device must be ordered with integrated Fault Detection Functionality.

 

Main Features

  • MRT-700TX, generation of a special 8KFF frequency.
  • MRT-700RX:
    • Developed for fault frequency detection
    • 2 display modes: Basic and Advanced (Dual)
    • Connector for A-frame
  • A-frame:
    • Sensor for fault detection
    • Robust A-frame with 2 pins for measuring voltage drop to earth

 

OTHER FUNCTIONALITIES

 

The MRT-700, with fault pinpointing functionality, can be ordered with the following extras:

 

 

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