LH Agro® produce and market a comprehensive product line that includes advanced GPS "precision-farming" equipment, plus a selection of products manufactured by other companies. They also develop and manufacture customer-designed electronics for a large number of leading European & Overseas manufacturers of different farm machines. Initially LH limited their products to electronic Grain-loss monitors for Combines. However, semi electronic area & speed meters followed shortly thereafter. Today a very large range of advanced measuring, monitoring & controlling equipment for a wide range of modern farm machinery are manufactured.
![]()
LH CenterLine 220 Lightbar Guidance System
The CenterLine 220 provides complete guidance information in one easy to use package. Simple push-button control gets you up and running in just a matter of seconds with clear guidance prompts shown on both LED bar and graphical display. Guidance modes include straight or curved and a return-to-point feature for simple field position relocation. Moves between vehicles in minutes and all this for just £1195.00 'Great Value'
LH CenterLine
Lightbar Guidance System with Wireless Remote Control This compact lightbar guidance system is suitable for spraying, spreading, mowing and cultivation work. CenterLine takes just a few minutes to install, so it is easy to move from one vehicle to another as your needs change with the seasons. There are only two cables: a power cable to the vehicle battery, and another to the GPS receiver/antenna.

The Swath XL is a more advanced lightbar guidance system with SmartPad for set up, viewing and recording field coverage maps. In addition the Swath XL can measure and record field size, map hazards and points of interest for later downloading to PC. It's tremendous flexibility and multitude of features sets a new standard in ground based GPS guidance.

LH 4000 Spray Rate Controller
The LH 4000 crop spray controller provides an extensive range of monitoring and control features ensuring accurate and economical application of agro-chemicals and liquid fertiliser. It is developed specifically for Crop Spray Control and provides an unmatched easy operation which ensures top performance of your crop sprayer. Please note the LH 4000 is not GPS compatible. Please see the GPS compatible LH 5000 Multi-Implement Controller if you require a Precision Farming System.
![]()
The LH 5000 has been made to satisfy the wishes of farmers to have only one unit to monitor and control various implements. With the LH 5000 it is no longer necessary to keep swapping dedicated controllers each time an implement is changed. The LH 5000 may be used with DGPS and become part of a Precision Farming System.
The LH 1000 is a competitively priced tractor performance monitor and is a cost effective way of checking accuracy of chemical and fertiliser applications. The monitor displays information such as forward speed and area covered in either metric or imperial. It is as easy to use as a desk top calculator and is suitable for DIY installation.
The LH 1200 was originally developed and intended as a spray monitor. However, it's many features have proved to be attractive for many other applications. In particular the application-rate feature providing an instantly calculated kg or litre rate per hectare makes the unit extremely popular, not only with sprayers but also with machinery such as seed drills, slurry injectors and air assisted spreaders.