Saelig Introduces EMI Tent Enclosures For Benchtop Precompliance Tests At Under $2000

December 27, 2017 ECD Staff
TekBox TBST120/60/60/2 Shielded Tent from Saelig
TekBox TBST120/60/60/2 Shielded Tent from Saelig

Saelig has announced the TekBox TBST120/60/60/2 Shielded Tent which provides an economical RF/EMI-attenuated environment for a variety of bench-top “EMI quiet” applications. The TBST-120/60/60/2 is a compact shielded tent, designed to suppress interference from ambient noise during EMC pre-compliance measurements. With outer dimension of 4’ x 2’ x 2’ it can accommodate pre-compliance test equipment such as LISNs or TEM-cells or others as well as the device under test, yet easily fit on a test bench.

The TBST-120/60/60/2 shielded tent has been designed with two layers of conductive fabric, suspended on rigid aluminum supports, the double-layer design significantly improving the tent’s shielding effectiveness. A filter panel mounted at the side provides one 240V/10A AC filter, two 240V/10A DC filters, and four coaxial feed through adapters with screw caps. The front opening provides access to the test space and is closed using conductive hook-and-loop tape in order to avoid compromising the shielding efficacy.

When measuring the conducted noise spectrum of a powered device being tested in an unshielded setup, conducted noise to be measured is often hidden below the ambient noise level, making accurate measurements impossible without eliminating the interference. Most shielded environments have previously been prohibitively expensive for many situations, but the TekBox shielded solution is now available at under $2,000.

Specifications:

  • Outer dimensions: 47.25” x 24” x 24”
  • Opening: 33.5” x 13.8”
  • Frame: 0.8” x 0.8”extruded aluminum supports
  • Shielding: 2 layers of conductive fabric
  • Seal: conductive Velcro tape
  • Suspension: Velcro strips
  • Filter panel: 1 x 240V/10A AC filter; IEC socket
  • 2 x 240V/10A DC filter; cables with female Banana couplers­­­
  • 3 x N- female feed through connector with screw caps
  • 1 x BNC-female feed through connector
  • Attenuation: >58 dB in the range DC to 1.5 GHz
  • Weight: 23.75 lb.

Applications include wireless device testing, EMC pre-compliance testing, secure communications, satellite communications, medical equipment shielding, operator safety, etc.

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