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Anechoic Chamber & Shielding Room

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5-Meter Anechoic Chamber

SAC-5M is a semi-anechoic chamber designed for a test distance of 5 meters. It mainly consists of a 5-meter main anechoic chamber, an operation control room and a power amplifier room. It is used for radiation immunity tests at a distance of 3 meters and compliance tests for radiation emissions at distances of 5 meters or 3 meters. The SAC-5M is mainly designed to meet the testing requirements of large-sized electronic products. On the basis of ensuring all the functions of the 3-meter chamber, the quiet zone can be expanded to a diameter of 3 meters or more.

Main application areas

It can be widely used for electromagnetic compatibility testing in IT products, household appliances, medical equipment, automotive parts, small military electronic products, industrial electronic products, communication fields, and more. After adding special interfaces, special product testing can be carried out, such as water meters, gas meters, electricity meters, etc.

Key Parameters

Performance indicators
Performance parameters Frequency range Test area Test height Performance requirements Reference standard Test method

Normalized Site Attenuation

NSA

30MHz-1GHz 3.0m (or larger size) H=2.0m Better than ± 3.5dB CISPR16-1-4 2010 3m/5m central axis testing

Field Uniformity

FU

30MHz-1GHz 1.5mx1.5m H=0.8m~2.3m 0~5.5dB

IEC61000-4-3 and

EN61000-4-3

3m central axis testing

Site Voltage Standing Wave Ratio

SVSWR

1GHz~18GHz 5.0m (or larger size) H=2.5m ≤5.5dB CISPR16-1-4 3m/5m central axis testing
Background Noise 30MHz~18GHz / ≤20dB

CISPR 22 Class B

CISPR 25 Class 5

Case Studies