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Radiodetection RD7000+ Precision Cable & Utilities Locator

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The RD7000+ from Radiodetection offers the ability to locate specific underground power cables, telecoms cables and pipes in complex underground utility networks, providing a fast and effective means of locating and mapping underground utilities. Effects such as different soil types and proximity to other cables and pipes can affect readings however, the RD7000+ remains accurate and precise with a host of ground-breaking new f...

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The RD7000+ from Radiodetection offers the ability to locate specific underground power cables, telecoms cables and pipes in complex underground utility networks, providing a fast and effective means of locating and mapping underground utilities. Effects such as different soil types and proximity to other cables and pipes can affect readings however, the RD7000+ remains accurate and precise with a host of ground-breaking new features.

The RD7000+ is designed to be a lightweight, energy efficient meter, which can also be used for extended periods of time. Despite its lightweight ergonomics the RD7000+ is also rugged enough to be operated in practically all weather conditions. The RD7000+ ease of use is highlighted by its large backlit screen and simple user interface, which displays clear information and makes operating the RD7000+ extremely simple.

The product family includes four powerful locators and three transmitters, offering different power outputs, and being optimised for various applications. The RD7000+ family consists of:

SL/SLM – Construction Industry

The SL/SLM series of RD7000+ have a broad range of standard frequencies and rugged construction making this range into a reliable and versatile locator. The SLM model adds the ability to locate RF markers and document surveys using the Survey CERT software. This product is aimed at operators who require a simple operating, accurate locator.

The SL models have a compass as standard, four active and two passive frequencies, correcting the majority of locating tasks. In addition to Peak mode, combined Peak and Null mode, the screen view allows quick identification of distorted signals, caused by ground conditions or nearby utilities.

DL/DLM – Water & Pipeline Industry

The DL series is designed for the water industry and supported by a wide range of pipe location accessories. These locators are designed to detect active and passive frequencies as well as FOUR DIFFERENT SONDE SIGNALS. This makes the DL version of the RD7000+ ideal for both standard pipe, cable and RF marker (DLM models), but also for locating deep, underground dirty water pipes and drains where sondes can be used. The DL/DLM locators can also locate Cathodic Protection System (CPS) signals applied to pipelines making the DL/DLM locator even more versatile.

With the four different sonde frequencies, the DL/DLM locators can locate pipes made from different materials including cast iron, plastic, clay, fibre, concrete and brick. The DLM model allows users to document surveys using Survey CERT.

Featuring compass and dynamic overload protection as standard, the DL & DLM aid pipe and cable location in electrically noisy environments.

PL/PLM – Power Industry

The PL range of cable locators identifies the target cable reliably, even in areas of large scale cable in complex electrical networks.

One of the challenge when working in the power industry is operating the cable locator near to high voltage environments where the presence of strong EMF signals can overpower the locator when trying to pinpoint buried cables.

The PL range is designed for use in these areas where excessive magnetic fields, generated by high voltage equipment and cables can make accurate underground cable locating difficult. The dynamic overload protection reduces the effect of this electrical noise allowing for uncompromised locating accuracy.

Additionally the PL locators can indicate depth in power mode. This is done on live cables without the use of the transmitter and is useful where connection of the transmitter to a power cable may not be possible or hazardous. The built in compass aids correct alignment with the target cable, maximising depth measurement accuracy.

TL/TLM – Telecoms Industry

Large bundled pairs of cables require specialised location equipment to find and trace a signal.

As the telecom industry continues to install highly insulated copper and fibre based cables, tracing and locating bundled cables becomes more difficult. The TL range of locators allow the operator to use higher frequency locate signals, which can pinpoint high impedance, small diameter cables. The TLM models can be used to locate telecom utility markers an the internal data logging system allows locator usage to be analysed to aid in compliance and the identification of training needs.

The majority of telecom cables have no earth, but are sheathed. The use of high frequencies allows tracing without the need of earth connections. Once the correct cable or pipe is identified a Radiodetection A-frame can be used to locate cable sheath faults to with 10cms, using the 8 KHz fault find mode.

RD7000+ Locators:

The RD7000+ range offers four lightweight, easy to use locators, optimised for use in construction, pipeline, power and telecom industries. These locators are ergonomically designed to provide the operator with a device which is responsive and intuitive, while the large backlit LCD screen provides clear information in any light condition. The interface has easily identifiable icons, which are consistent across both the locator and transmitter range for ease of operation.

Centros™: RD7000+ locators are Centros™ enabled. Centros™ is a measurement engine based on more than 30 years of continuous development, combining new and innovative algorithms with tried and tested software in a high performance microprocessor. Centros™ improves locator accuracy and repeatability, delivering timely responsiveness.

Compass: Allows the target line to be quickly and easily followed by indicating the orientation of the target cable or pipe and the locator on the screen. This helps to improve accuracy when measuring depth.

Dynamic Overload Protection: Extends the RD7000+ locator capability into areas where other locators fail by automatically filtering out large and unwanted signals aiding accurate location even in electrically noisy environments.

Peak/Null Mode: Helps to identify the effects of distortion due to ground effects or nearby utilities. Simultaneous display of peak bar graph response and proportional null arrows allow a quick assessment of locate conditions.

Remote Calibration: Using the Windows software, locators can be checked for correct calibration and operation over the Internet without the need to return the RD7000+ for service. A calibration certificate can be saved, emailed or printed or a service can be booked should any issue be detected.

Extended Warranty: Radiodetection offers a free upgrade to a 3 year extended warranty on RD7000+ locators and transmitters (product must be registered within 3 months of service). Registration also offers free product software and feature upgrades.

Marker Locator: The RD7000+ marker locator models detect all commonly used RF utilities markers. TruDepth™ automatic depth estimation without the need for two step measurements allows for faster & more accurate surveys. Combined mode allows scanning for cables, pipes and markers simultaneously.

Data Logging: On board memory (PLM and TLM models) can store over a year’s worth of locate history at one second intervals. Data can be backed up to a PC at any time giving virtually unlimited record keeping for the life of the product. Retrieved data can be analysed for compliance or training requirements.

Additional Locator Features

  • Four different locator types, optimised for different industries (construction, power, pipeline, telecoms)
  • 50Hz to 200KHz frequency range
  • Peak mode
  • Null mode
  • Real sound
  • TruDepth™
  • Strike alert
  • Current measurement
  • CPS (DL/DLM models) power and radio passive location modes
  • SurveyCERT™
  • Data logging and CALSafe™ (PLM & TLM models)
  • Depth measurement in power mode
  • Fault Find (PL/PLM & TL/TLM models)
  • Auto gain with manual control
  • Selectable 50/60Hz
  • Selectable metric/imperial units
  • Selectable battery type
  • Selectable frequency and function set
  • Selectable antennae modes
  • Selectable language
  • Settings saved on power off
  • USB connectivity for software upgrades and data logging
  • Bluetooth connectivity to external devices
  • Compatible with RD8000 accessories


Based on a fully digital platform, the family of Radiodetection transmitters has been designed to support the range of RD7000+, RD8000 cable and pipe locators. The transmitter is available in three powers of 1watt, 5watts and 10watts. The 5 & 10watt transmitters feature Fault Find as standard.

All model feature constant current across their entire bandwidth in direct connect, clamp or inductive mode. The transmitters are light (2.9kg), well balance and IP54 rated, for use in demanding conditions. Each model has a removable accessory tray and weatherproof battery compartment. A large backlit LCD screen provides the operator with clear information.

90V Output Capacity: All transmitters have both 30V and 90V output options, resulting in higher signal current being delivered on high impedance target lines than typical transmitters which only offer a 50V output. Higher signal levels are easier to locate and travel over longer distances.

SideStepauto™: This feature allows the transmitter to deliver the optimum frequency based on ground impedance. This optimises the active frequency, helping to improve locator accuracy an extend battery life.

All transmitters feature direct connection and induction frequencies compatible with locators across the RD7000+ and RD8000 range and can easily be customised to match the receiver. A multimeter function enables quick measurements of output voltage, line voltage, current, impedance and power.

Transmitter Features:

  • Three power versions – 1 watt, 5 watts, and 10 watts
  • 8KHz Fault Find – locates faults from short circuits up to 2MΩ
  • Current Direction Fault Find – for long distance fault finding
  • 5 Current Direction (CD) paired low frequencies
  • Current delivered at 30V, or 90V high voltage mode for impedance operation
  • 256Hz to 200KHz active frequency range
  • Selectable modes support specific RD7000+ & RD8000 locator model frequency range
  • 8 inductive frequencies
  • SideStepauto™
  • 250V transient overvoltage protection
  • Multimeter function
  • 8-D cell battery cassette (Rechargeable Li-Ion battery pack (Optional))
  • Accessory tray
  • Plug and play accessories
  • External 12V operation (using Radiodetection isolation transformer)
  • Click-touch splash-proof sealed keypad
  • High contrast LCD screen.
Download Attachment
pdfRD7000+ Datasheet (1.52 MB )

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