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Pre-compliant 3,0 m Compact Hybrid Chamber

The CHC is Frankonia’s compact hybrid chamber solution at 3,0 m measuring distance with a Quiet Zone (QZ) of ø1,2 m. It is an optimal solution for both pre-compliance emission tests and full compliance immunity tests at 3,0 m measuring distance.
The extended version CHC L includes an absorber-lined partition wall, that offers the feature for housing and storing RF power, antennas, and floor absorbers inside the chamber.

The extended version of the CHC, called CHC-L, includes an absorber-lined partition wall that offers the feature for housing and storing RF power amplifiers, antennas, and floor absorbers inside the chamber.

EMSIEC/EN 61000-4-3, full compliant
Test distance3,0 m
Volumeø1,2 m
SpecialCompact immunity test chamber


Full compliant EMS and pre-compliant EMI solution

Cost effective solution for EMS measurements

Compact chamber design with advanced absorber lining
with long-lasting Frankosorb® absorbers (Frankonia technology)

Turnkey solution


Frankosorb® optimized hybrid absorber lining with Ferrite F006, and H450

High-performance nano thin-film technology with proven long-term stability

Available material classifications:
non-combustible acc. to DIN EN 13501-1 class A2 – s1 d0, or
hardly inflammable acc. to DIN EN 13501-1 class B (alternative)

Typical Product Standards



from 30 MHz
to 1 GHz


IEC/EN 61000-4-3

Note: We advise you about details on the individual standards and define the right anechoic chamber solution that meets your needs.

Typical Verification Standards


CISPR 16-1-4


IEC/EN 61000-4-3

Typical Specifications

Chamber CHC CHC L 
External dimension 7.355 x 3.755 x 3.300 mm (LxWxH) 8.255 x 3.755 x 3.300 mm (LxWxH)
Quiet Zone ø1,2 m
Measuring distances 3,0 m
Load capacity up to 2000 kg; special turntable systems possible
Frequency range 9 kHz/ 30 MHz to 18 GHz or 40 GHz

Performance & Compliance

Pre-compliant emission (EMI) according to CISPR 16-1-4

Full compliant immunity (EMS) according to IEC/EN 61000-4-3

Deviation FU 0/+6 dB for 12 of 16 test points (75%)
(26 MHz to 18 GHz) – guaranteed