ACTIVITIES

Mechanical resistance tests (vibration, shock, acceleration)

Climatic and corrosion tests

Pressure tests
Testing of LPG, CNG components and systems

Revisions of pressure vessels

Electrical tests and measurements

Calibration of measuring instruments (pressure, electrical quantities, weight)

MECHANICAL RESISTANCE TESTS (VIBRATION, SHOCK, ACCELERATION)

 

  • Vibration tests (sine, random, sine on random, etc.)
  • Search for resonances
  • Shock tests and accident safety
  • Combined tests (vibration, shock, temperature)
  • Linear acceleration

 

Typical test standards:

ČSN EN 60068-2-6, ČSN EN 60068-2-64, ČSN EN 60068-2-27, ČSN EN 50155, ČSN EN 61373, RTCA/DO-160, MIL-STD-810

CLIMATIC AND CORROSION TESTS

 

 

The main activities includes:

    • Climatic tests (heat, cold, temperature variation, humidity – damp heat cyclic/constant, dust, solar radiation, ozone, vacuum, IP-protection etc.)
    • Salt spray corrosion tests, cyclic corrosion tests

     

Typical test standards:
ČSN EN 60068-2-1, ČSN EN 60068-2-2, ČSN EN 60068-2-14, ČSN EN 60068-2-30, ČSN EN 60068-2-78, ČSN EN ISO 9227, ASTM B117, ASTM G85, PV1200, PV1208, PV1209, RTCA/DO-160, MIL-STD-810

PRESSURE TESTS

 

Hydraulic pressure tests:

  • hydrostatic pressure tests up to 300 MPa
  • hydrodynamic pressure tests up to 45 MPa
  • destructive tests

Component tests of LPG/CNG systems

Typical tests standards:
ČSN EN ISO 1402, ČSN EN ISO 6803, ČSN 119008, ČSN EN 14276-2, ČSN EN 378-2,
ISO 15500, ECE Regulation No. 67.01, ECE Regulation No.110

TESTING OF ELECTRICAL SYSTEMS

 

Electrical tests of aircraft systems and other products in accordance with DO-160D and MIL-STD, such as:

  • Magnetic effects
  • Power supply
  • Voltage needle pulses
  • Influence of low frequency signals conducted over power lines
  • Influence by induced signals
  • Influence of transients caused by lightning
  • Electrostatic discharge
  • etc.

Typical test standards:
RTCA/DO-160, MIL-STD-810

CALIBRATIONS

 

  • Electrical quantities (calibration of multimeters, ammeters, voltmeters, shunt meters, etc.)
    ● Direct voltage up to 1000 V
    ● DC up to 300 A
    ● Alternating voltage up to 700 V
    ● AC up to 10 A
    ● Electrical resistance up to 100 MOhm
    ● Frequency up to 50 MHz
  • Temperature (-60°C to +180°C)
  • Weight (up to 22 kg with a resolution of 1 g)
  • Devices and sensors for measuring vacuum up to 70 mbar
  • Deformation gauges up to 100 MPa

REVISIONS OF PRESSURE VESSELS

 

 

  • Revisions, inspections and tests of pressure equipment in operation.

     

    Approval applies to category NA (pressure vessels with a maximum working pressure exceeding 0,2 MPa and having a safety factor greater than 103), including also category NB (other pressure vessels, which are pressure vessels with a maximum working pressure up to and including 0,2 MPa and having a safety factor less than or equal to 103).