EMC tests



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Immunity tests

Performs tests to determine that an EUT gives intended performance when subjected to disturbances or interfering signals.

Anechoic chamber for EMC immunity
Screened room

Test specifications:
1) for Consumer, Industrial, Medical, and Railway electronics equipment/devices:
Tests Standards Specifications
Electrostatic discharge (ESD) IEC61000-4-2 Contact 30 kV max.
Air 30 kV max.
Radiated frequencies IEC61000-4-3 Frequency range 26 MHz - 6 GHz
Field strength 20 V/m max.
Modulation 400 Hz/1 kHz, 80%AM
Electrical fast transients / Bursts IEC61000-4-4 Voltage peak 4.8 kV max.
Rise time / Duration 5 ns/50 ns
Power ports (CDN) 125 VDC, 32 A
280 VAC, 32 A, 1 φ
280 VAC, 32 A, 3 φ
Signal and control ports (Capacitive coupling clamp) Cable dia.: 32 mm max.
Surges IEC61000-4-5 Voltage peak 6.6 kV max.
Rise time / Duration 1.2 μs/50 μs
Power ports (CDN) 125 VDC, 32 A
280 VAC, 32 A, 1 φ
280 VAC, 32 A, 3 φ
Interconnection lines Shielded lines, Unshielded unsymmetrical lines (except Unshielded symmetrical lines)
250 VAC, 250 VDC/1.5 A
High-speed communication lines (LAN) 2 kV max.
Coupling to 1, 2 or 4 pairs
ISDN, 10/100/1000 Base-T
Telecommunication Surges IEC61000-4-5 Voltage peak 7.7 kV max.
Rise time / Duration 10 μs/700 μs
Outdoor unshielded symmetrical communication lines 250 VAC, 250 VDC/0.5 A
Conducted radio-frequencies IEC61000-4-6 Frequency range 10 kHz - 230 MHz
Voltage level 10 Vrms max.
Modulation 400 Hz/1 kHz, 80%AM
Power ports(CDN) 240 VAC, 16 A, 1 φ
240 VAC, 16 A, 3 φ
Signal / control ports(EM clamp) Cable dia. 32 mm max.
Power frequency magnetic field IEC61000-4-8 Magnetic field level 30 A/m
Power frequency 50 Hz/60 Hz
Inductive coil 2 m x 2 m
Voltage dips, short interruptions and voltage variations IEC61000-4-11 Power supply lines 230 VAC, 16 A, 1 φ
Harmonics IEC61000-4-13 Sweep frequencies 13 Hz - 2.8 kHz
Individual harmonics 2nd – 40th order
Test level (harmonic voltage) 0.1% - 30% of power supply voltage
Power supply lines 240 VAC, 16 A, 1 φ
Conducted low-frequency IEC60945 ed.3 Frequency range 50 Hz - 12 kHz
Test level 1% - 10% of Power supply voltage
Power supply lines (Isolation transformer) 35 VDC, 30 A
250 VAC, 16 A, 1φ
2) for Automotive electronics equipment/devices:
Tests Standards Specifications
Radiated electromagnetic fields ISO 11452-2 Frequency range 200 MHz – 4 GHz
Electric field 200 V/m max.
Bulk current injection (BCI) ISO 11452-4 Frequency range 1 MHz - 2 GHz
Current 200 mA max.

Test facilities:
1) 10 m Anechoic Chamber (Labotech EMC Center)
Internal dimensions(D×W×H) 22.0 m x 14.0 m x 9.0 m
Entrance dimensions(W×H) 3.0 m x 3.0 m (flush, stepless entryways)
Measuring room dimensions(D×W×H) 6.8 m x 4.0 m x 2.7 m
Measuring room door dimensions (W×H) 1.2 m x 2.0 m (flush, stepless entryways)
Turntable Dia. 5.0 m/2.0 m dual type
Max. load 3 t/1 t
Frequency range 30 MHz - 18 GHz
Power supply (CVCF) 100/115/220/230 VAC, 1 φ/3 φ, 50/60 Hz, 18 kVA, 50 A max.
0 - 282 VDC, 40 A max.
100 VAC, 1 φ, 60 Hz, 20 A max.
Additional services Water supply (hose nipple: GHN-0619, internal dia.: 19 mm);
Water-drainage;
Exhaust gas pipe;
Spectrum analyzer screen projector;
Underground pit (Cable entry from Turntable: 150 mm);
Cargo lift (max. load: 200kg);
Vertical ground plane for conducted emission measurements (2 m x 2 m);
Test table (Styrofoam, 1.5 m x 1 m, H=0.8 m, max load 200 kg);
Fork truck (450 kg);
Intercom (between chamber and measuring room);
Monitoring cameras.
2) 3 m Fully Anechoic Chamber (Labotech EMC Center)
Internal dimensions(D×W×H) 7.0 m X 4.0 m X 2.8 m
Entrance dimensions(W×H) 1.5 m X 2.0 m
Turntable Dia. 1.2 m
Max. load 300 kg
Frequency range 30 MHz - 6 GHz
Power supply (CVCF) 100/115 VAC, 1 φ, 50/60 Hz, 2 kVA, 20 A max.
220/230 VAC, 1 φ, 50/60 Hz, 4 kVA, 20 A max.
220/230 VAC, 3 φ, 50/60 Hz, 6 kVA, 15 A max.
0 - 35 VDC, 30 A max.
Measuring room dimensions(D×W×H) 5.0 m X 2.3 m X 2.4 m
Measuring room door dimensions(W×H) 1.0 m X 2.0 m
Additional services Test table(1.5 m X 1 m, H=0.8 m)
Monitoring cameras: 4 sets (fixed: 2, movable: 2)
Sloped entryways
3) 10 m Anechoic Chamber (Kishu Lab.)
Internal dimensions(D×W×H) 21.5 m x 13.5 m x 8.0 m
Entrance dimensions(W×H) 3.0 m x 3.0 m (flush, stepless entryways)
Measuring room dimensions
(D×W×H)
8.9 m x 3.8 m x 3.5 m
Turntable Dia. 5.5 m / 2.0 m dual type
Max. load 3 t / 0.5 t
Frequency range 30 MHz - 6 GHz
Power supply CVCF, 1 φ/3 φ, 40 kVA
Additional services Water supply/drainage: 2 sets;
Exhaust/intake air pipe: 2 sets;:
Exhaust gas pipe: 2 sets;
Spectrum analyzer screen projector;
Monitoring camera: 2 sets (fixed: 1, movable: 1);
Fork truck: 500 kg, 1 m x 1 m.
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