Overview
The vLoc3-ML with built-in transceiver is designed for contractors and utility companies to accurately detect and pinpoint major brands of buried passive electronic markers. The vLoc3-ML locator combines Vivax-Metrotech’s advanced line locating technology and electronic marker system (EMS) detection in a single instrument capable of detecting and measuring the depth of commercially available EMS markers.

Access the vLoc3-ML’s line locating or marker detection mode with one press of the receiver’s softkey. The intuitive operational display provides simple maneuvering of all the available features – frequency selection, marker selection, dedicated or dual marker modes and access to the main menu for other advanced features. The optional Tx-Link (radio link between receiver and transmitter) allows remote operation of the transmitter’s functions at distances over 300m/985ft.

Built on the vLoc3 digital signal processing platform, the vLoc3-ML is equipped with advanced line locating features such as Signal Direction, Vector mode, Transverse Graph mode, Plan View, Guidance Compass, Distortion Alerts, and Left/Right Guidance Arrows that make locating conductive lines and cables more intuitive.

Data acquisition tools such as internal data logging, and GPS complete a total solution. All site locate and instrument information can then be downloaded for review or further analysis on Vivax-Metrotech’s free MyLocator3 app or available online if using the VMMap app.
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Key Features

  • Dual-purpose utility and EMS marker locator
  • Color-coded EM distortion warnings
  • Offset-locate modes – Vector and Plan View
  • Optional receiver/transmitter link
  • Cloud-based data warehousing
  • Optional Bluetooth connectivity
Downloads Save
vLoc3 Series Utility Locators BrochurePDF
vLoc3-ML Sales SheetPDF
vLoc3-ML Technical SpecificationsPDF
vLoc3-ML User HandbookPDF

MyLocator3 Software

Manage a single or fleet of vLoc3 series utility locators with the free MyLocator3 app. Configure locators by turning on or off features, selecting which frequencies the user has access to and creating custom startup screens. When the locator is connected to a computer running the MyLocator3 software, the program will automatically search our database for the latest software for both the utility locator and desktop application. The utility locator connects to the computer running MyLocator3 by supplied USB cable.



  • Data transfer – MyLocator3 app will download the data collected from the locator including a timestamp, GPS coordinates, depth measurements, current on the line, and notes entered at the time of locate.
  • Software updates – MyLocator3 checks for locator software updates and app software updates whenever connected to internet.
  • Personalize – Add owner/user information, a background picture or logo, or a short message to the startup screen.
  • Lock Feature – The locator’s configurations and settings can be locked, enabling equipment or safety officers to ensure that features selected or removed by management cannot be over ridden by the user. (Requires optional lockout dongle)

VMMap App

When used with Bluetooth enabled Vivax-Metrotech receivers, the VMMap Utility Mapping app records data from the field which is instantly available online via the VMMap Cloud web portal or can be shared by using the email function in the app. Location data is obtained from the mobile phone, or an external GPS device of your choice. Depth readings, GPS coordinates, the distance between locates and more are captured as data logs and can be saved as xls, txt, shp, and kml extension files. The data is compatible with Google Maps, Asset Management, and GIS software.

The image capture feature in the app allows the user to attach a JPEG format image to the surveys. This is useful to add points of interest or a snapshot of the completed survey. Access the image files and all the data captured in the app in the VMMap Cloud web portal or email it from within the app.

The VMMap app generates maps in real time, giving confidence to the field technician that the data being collected is accurate.



  • Uses both Google and Apple Maps
  • Low and high GPS accuracy settings
  • Plug-and-play Bluetooth pairing to receivers
  • Export to various file types for use with popular GIS programs
  • Compatible with Google Maps, Asset Management, and GIS software
  • Show multiple utilities on one map with color-coded utility drop pins
  • The VMMap Mobile application is compatible with both iOS and Android devices.


Get it on Google Play

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