Radiodetection RD8100 Precision Cable & Pipe Locator

Model Options: RD8100 PXL
£2,475 exc. VAT


The RD8100 (successor to the RD8000) is the most advanced locator range, building on over 40 years of pedigree to deliver performance, quality and durability. Containing a unique arrangement of 5 custom manufactured, precision ground antennas, it allows you to choose the optimum level of precision for the job in hand.

With utility infrastructures becoming more complex, locate professionals require more powerful, flexible tools. Features such as Current Direction and iLOC combine with the versatile Tx Transmitter range to deliver highly responsive locates even in tough conditions.

Integrated GPS and usage-logging options automatically generate data for customer reports, or in-house quality and safety audits to promote best working practices.


  • Precision by design
    A unique arrangement of five custom manufactured, precision ground antennas deliver locate accuracy and repeatability

  • Accurate surveying with integrated or external GPS
    Save up to 1,000 survey measurements, capturing utility depth, and send to a mobile device using Bluetooth®. Add positional data with the integrated GPS option, or combine with external GNSS device using the wireless Bluetooth link to get the accuracy that you need.

  • Durable, sealed design – IP65
    Designed for the jobsite, with IP65 ingress protection.

  • Save time on site with iLOC remote transmitter control
    iLOC is an advanced Bluetooth link between the RD8100 locator and transmitter, which allows you to control the transmitter’s signal power and frequency from up to 450m away. Less time walking and more time locating.

  • Shallow locate warning - StrikeAlert™ in active & passive locating
    StrikeAlert reduces the risk of accidents by warning of the presence of shallow cables and pipes with both visual and audio warnings.

  • Locate in difficult environments with Dynamic Overload Protection
    Dynamic Overload Protection filters out interference, enabling use in electrically noisy environments such as substations or around overhead power cables.

  • eCert – Certified confidence without downtime
    Verify and certify the calibration of your locator over the internet using the RD Manager PC software package – without returning the unit to a service center. Have confidence that the RD8100 is ready for action whenever you are.

  • Enhanced Self-Test
    The integrity of the measurement system can be confirmed on-site. Self-Test applies signals to the locating circuitry as well as checking display and power functions.

  • Set-up, calibrate and update your locator from a PC - RD Manager PC software
    Download usage logging and survey measurement data for analysis, and set-up, calibrate and update your locator from a PC.
Locate Frequencies 13 13 18 18 22 22
Sonde Frequencies 4 4 4 4 4 4
Passive Modes 2 2 5 5 5 5
On-board GPS
Power Filters
Usage Logging
4 kHz 4K+CD 4K+CD 4K+CD 4K+CD
Current Direction
Fault Find
Depth in Power
Passive Avoidance
Lithium-Ion Battery O O O O O O

O = Optional


Current Direction (CD)
A powerful tool that helps operators pick out their target line from others nearby. With CD you can locate your utility quickly and eliminate wasted time following false trails.

Automatic usage logging with GPS positioning
GPS equipped RD8100 locators automatically log key locate parameters every second, providing a comprehensive picture of individual locates, or allowing you to assess usage patterns over periods of a year or more. The data generated can be used to ensure compliance with best-practice, or to identify training needs before poor work habits develop. Additionally, the data can be used for internal audits or shared with partners or clients to evidence task completion, or compliance to their requirements. Usage data can be exported in multiple file formats – for example KML for Google Maps to confirm where and when work was performed.

Combine accuracy with speed – Peak+ mode
Combine the accuracy of Peak locating with the rapid ground coverage of Guidance arrows in the new Peak+ mode. A single key press lets you check for distortion by comparing Null with Peak.

Use Power Filters™ to pinpoint and discriminate between power cables
When a signal transmitter can’t be connected, tracing individual power lines through complex networks can be a real challenge - conflicting or powerful signals confuse, or combine to create a wash of signal. With a single key press you can now utilize the harmonic properties of power signals to establish if a signal comes from one source, or from multiple cables, then trace and mark their routes.

Trace high impedance utilities with 4 kHz – and with CD
The 4 kHz locate frequency is designed for tracing high impedance lines such as twisted pair telecoms or street lighting. Since such utilities are often found in areas of dense infrastructure, you can combine 4 kHz with CD to ensure you follow the right line.

Quickly follow lines with Guidance Mode
Guidance Mode allows you to rapidly follow the path of a buried utility. Intuitive proportional arrows, a directional ‘needle’ and differentiated audio tones guide you along the target pipe or cable.

Customize the locator to your network frequencies
Up to 5 additional frequencies can be programmed into all RD8100 locators to match it to the signals found on your target networks.

Fault Find
Combine the RD8100 locator with an accessory A-frame to identify and pinpoint insulation sheath faults to within 100mm.

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