Fully Anechoic Testing Chamber at 3m

EMICISPR 16-1-4, IEC/EN 61000-4-22
EMSIEC/EN 61000-4-3
Test distance3,0m
Volumeø1,5 m at 1,5m height
SpecialTable top EUT’s

The FAC-3 is Frankonia’s fully anechoic chamber solution at 3,0 m measuring distance. It is designed as full compliant chamber for measurements under free-space conditions and is based on CISPR 16-1-4 as a test site without ground plane. Without the reflections from the floor, a height scan is no longer necessary. With its specific requirements for the test site, Frankonia’s FAC-3 is supremely prepared to meet our customers’ demands.


Test site for table top EUT’s (FAC-3) or floor-standing EUT’s (FAC-3 L)

Full compliant EMI/EMS

Cost effective solution for free-space measurements

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

Turnkey solution

Typical Product Standards

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 and/or ANSI C63.4


IEC/EN 61000-4-3

Technical specifications

Chamber FAC-3 FAC-3 L
External dimension 8,705 m x 4,655 m x 3,750 m (L x W x H) 9,380 m x 5,780 m x 5,550 m* (L x W x H)
Turntable ø1,5m
Quiet Zone CISPR 16-1-4:
ø1,5 m; height 1,5 mIEC/EN 61000-4-22:
ø1,5 m; height 1,5 m (30 MHz – 1 GHz)
ø1,0 m; height 1,0 m (1 GHz – 6 GHz)
CISPR 16-1-4:
ø1,5 m; height 2,0IEC/EN 61000-4-22:
ø1,5 m; height 2,0 m (30 MHz – 18 GHz)
EUT Table top EUT’s Table top and floor standing EUT’s
Measuring distance 3,0 m
Load capacity up to 2,0 tons; special turntable systems possible
Frequency range 30 MHz to 18 GHz (option 40 GHz)

Performance & Compliance

Full compliant emission (EMI) according to CISPR 16-1-4 and ANSI C63.4 Deviation FS NSA ±3,5 dB (30 MHz to 1 GHz) – guaranteed Deviation FS SVSWR +5,5 dB (1 GHz to 18 GHz) – guaranteed

Full compliant immunity (EMS) according to IEC/EN 61000-4-3 Deviation FU 0 dB/+6 dB at 75 % of 16 measuring points (26/ 80 MHz to 18 GHz) – guaranteed

Full compliant immunity (EMS) and emission (EMI) according to IEC/EN 61000-4-22 Standard Deviation SdB c ≤ 1,8 dB

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