REGULATEURS EUROPA provides electrically driven governor test stands for permanent installation. The purpose of the rig is to assist in adjusting, servicing and testing the performance of hydraulic speed governors and hydraulic actuators. Our test stands have been designed to simulate diesel engine operating conditions; the governor and test stand forming a closed loop system. For the setting–up and testing of hydraulic actuators the test stand can also operate in open loop mode. In that instance the drive speed is set at, and controlled from, the stand itself.