NDN Calibration Laboratory with accreditation!

In July 2022, our Calibration Laboratory received accreditation with the number AP 209 granted by the Polish Center for Accreditation (PCA) under the EA MLA international agreement. Thus, the Laboratory confirmed compliance with the requirements of PN-EN ISO/IEC 17025 "General requirements for the competence of testing and calibration laboratories" in the field of calibration of electrical quantities.



TBSB TEKBOX shielded bag



1 445,00 zł netto
1 777,35 zł brutto (23% VAT)


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The TBSB line of shielded bags is designed to suppress interference from ambient noise when carrying out EMC pre-compliance measurements. The shielded bags are a low cost alternative to shielded tents for test equipment such as LISNs or TEM-cells. 

The shielded bags are composed of two layers of conductive fabrics. The access opening is sealed with conductive Velcro tape. Suggestions on how to feed cables into the bags are given in the application section of this manual.


  • Outer dimensions: TBSB-105/60: 105 cm x 60 cm TBSB-70/40: 70 cm x 40 cm
  • Opening dimensions: TBSB-105/60: diagonal 80 cm TBSB-70/40: diagonal 60 cm
  • Frame: none
  • Shielding: 2 layers of conductive fabrics
  • Seal: conductive Velcro tape
  • Filter panel: none
  • Attenuation: ~ 50 dB in the range DC to 2 GHz
  • Weight: TBSB-105/60: 250 g  TBSB-70/40: 140 g


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