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RFT LUF 80MHz reverberation chamber successfully delivered

2019-04-22

In mid-December 2018, the reverberation chamber RC-LUF80 of Compliance Direction was successfully delivered by RuiFeng RF Technology (Shanghai) Co., Ltd. (referred to as RFT Company).  It has the international leading technology level and the lowest usable frequency is 80MHz. The swing wall type (breathing wall) is used as mixer, which is the largest breathing wall type reverberation chamber in the world today. The reverberation room is equipped with auxiliary equipments such as two-axle four-drive chassis dynamometer, high-definition back-projector and fresh air system. It meets the EMC test requirements of various passenger vehicles, small and medium commercial vehicles, large airborne equipment and large military subsystems.


Project highlights

With the unique oscillating wall stirrer from COMTEST in the Netherlands, the reverberation chamber has a larger uniform test area than conventional mixers. The immunity test of large equipment can be carried out according to the standard IEC61000-4-21 and DO-160G (airborne equipment). The test uniform field area is over 7.0mx6.0mx3.0m.

Performance meets standard requirements:

Frequency Range FU
80MHz~400MHz ≤4.0dB~3.0dB
400MHz~18GHz ≤3.0dB
Vehicle test

The reverberation chamber was originally designed to take into account the testing needs of the vehicle:

The reverberation chamber takes into account the needs of the entire vehicle from the door, the sill, the load-bearing ground, etc.

Configuration of Dutch COMTEST original import 3mX3m double open door;

5 tons automatic lifting threshold;

Floor load more than 5 tons;


Ground configuration dynamometer system:
dynamometer system
Two-axis four-wheel drive
2 drive shafts for front, rear and 4WD; 4 independent controllable drums
Meet the test requirements of all types of passenger cars and small and medium commercial vehicles
Maximum speed
100km/h
Vehicle weight tested
Max 4000kg
wheel base
1.9m ~ 3.5m adjustable

Vehicle exhaust system:
Fresh air system
Design
5 sets of 5 air conditioners and 2 exhaust fans to form a fully open fresh air system
Discharge all kinds of gas produced by DUT in time to ensure laboratory safety
Emissions
10000m³/h

The vehicle test can be completed according to SAEJ551-16 (vehicle immunity) and SAEJ1113-27 (automotive electronics).

Other typical applications:

 Radiation Emission Test

 Radiation immunity test

 Shielding effectiveness test

 Autopilot

 Various types of wireless testing

 Antenna test

 Complex electromagnetic environment
Standards compliant:
 IEC61000-4-21
 DO-160G (airborne equipment)
 SAEJ551-16 (vehicle immunity)
 SAEJ1113-27 (automotive electronics)


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