Accreditation certificate № 202306
Scope of accreditation
The laboratory is accredited to test seven product groups — from rolling-stock components to electrical equipment for nuclear power plants.
Oscillation dampers, suspension springs, brake shoes, brake triangles, couplings and components for 1520 mm gauge railways.
- Geometric dimensions and visual surface inspection
- Surface roughness
- Brinell and Rockwell hardness
- Metal macro- and microstructure
- Metal grade and chemical composition (spectral analysis)
- Hydraulic oscillation damper testing
- Suspension spring characteristics
- Brake shoe characteristics
- Gear and elastic couplings
DC, pulsating and AC motors and generators, asynchronous and universal machines.
- DC resistance of windings
- Heat-run (temperature-rise) test
- Dielectric strength of winding insulation
- Commutation check and commutator runout
- Vibration, vibration and shock strength
- Climatic tests: humidity, cold and heat resistance
- Seismic resistance and salt-mist exposure
Contactors, switches, relays, breakers, transformers, arresters, insulators and limiters.
- DC electrical resistance
- Operation of pneumatically driven apparatus
- Insulation resistance and dielectric strength
- Switching capacity
- Mechanical effects: vibration, shock, resonant frequencies
- Climatic effects
- IP protection degree (DSTU EN 60529:2018)
Panels, boards and bases with electrical devices for switching or protection at voltages up to 1000 V.
- Temperature-rise limits
- Dielectric tests
- Short-circuit withstand strength
- Protective earthing circuit
- Clearances and creepage distances
- Functional safety (EN 50126/50128/50129/50159)
- Vibration and seismic resistance
Bearings
Full-scale bench testing of bearings for railway rolling stock.
- Full-scale bench testing (DSTU 8734:2024)
- Test rig and test conditions
- Test report issuance
Compressors and compressor units for railway rolling stock.
- Compressor output (capacity)
- Compressed-air outlet temperature
- Hydraulic resistance of the air-purification unit
- Safety-valve set pressure
- Operability at extreme temperatures
- Vibration and acoustic characteristics
- Contaminants in compressed air
Valve actuators, pump units and filter-ventilation systems for nuclear power plants.
- Functional characteristics
- Insulation resistance and dielectric strength
- Torque and thrust force
- Pneumatic-drive tightness
- Seismic resistance (SOU NAEK 100:2022)
- Operability at −50…+65 °C and salt-mist exposure