TECHNICKÉ LABORATOŘE OPAVA, joint stock company

is company focused on:

  • - testing of  machines, machinery sets and hydraulic for underground.
  • - certificating products in the field of machines, machinery sets and    inflammable materials for underground.
  • - calibrations of length and plane angle measuring instruments.

Performance of above mentioned laboratories and certification body is in accordance with European standards and their proficiency is confirmed by accreditations of The Czech Institute for Accreditation.

In addition to above mentioned services, TLO a.s. a specialised centre offers specialised service and expert activities, e.g. appraisals of selected mining facilities, and consulting and advisory service.


We offer  the following services:


1) Notify body services as a Notify Body No. 1384

the Notified Body No. 1384 performs the conformity assessment of the products specified in Annex No. IV of the Machinery Directive 176/2008, in Annex No. 4 , chapter


12.1. locomotives and brake-vans


2) Testing and repairs of hydraulics

  • repairs of shock and safety valves
  • tuning and setting of spring rock bump and safety valves
  • breakdown diagnostics of hydraulic circuits
  • repairs of hydraulic circuits
  • repairs of hydraulic devices and equipment


3) Measuring units and instruments

  • repairs of measuring instruments that are not calibrated; repairs of single-purpose and special measuring instruments
  • creation of permanent marking of your measuring units via pantograph
  • repairs, tuning, and service of measuring units and instruments
  • TESA official servis partner
  • trainings of operators of TESA, S.A. – Switzerland


4) Production and reconstruction of measuring instruments

  • finishing operations at production (roughing, lapping). Reconstructions of single-purpose measuring units during changes in production
  • production of one purpose measuring units and its components