Testing Laboratory

LIQ’s Testing Laboratory is accredited nationally by the Portuguese Accreditation Institute (IPAC), according to NP EN ISO / IEC 17025 and is internationally recognized under the multilateral agreements (CCA and IECEE).

Its activity focuses mainly on supporting industry through the provision of conformity assessment services. Performs low voltage apparatus, lamps domestic and commercial refrigeration, appliances, stairs and ladders, material resistance and noise testing etc., enabling customers to achieve the levels of quality and safety of their products.


Electrical safety

  • Low-voltage switchgear
  • Home appliances
  • Commercial and domestic cold appliances
  • Lamps

Energy efficiency

  • Home appliances
  • Commercial and domestic cold appliances
  • Electric water heaters

Acoustic noise

  • Home appliances
  • Electric machines
  • Boilers for solid liquid or gaseous fuel

Electromagnetic compatibility

  • Household appliances
  • Electric machines
  • Electronic components


Material resistance

  • Ladders and stepladders
  • Furniture
  • IP testing and IK
  • Salt spray tests
  • Fire, heat and moisture tests
  • Vibration test