Service area
Complete and Comprehensive Service in Testing

Electrostatic gun/EFT/Surge calibration

Service content

Calibration Item

Electrostatic discharge simulator (electrostatic gun)

Calibration Range

(1) Contact Discharge Current
Waveform Check :(+/-2.0,4.0,6.0,8.0) kV
•Current Peak : +/- 7.5 A ~ +/- 30 A
•Current at 30 μs : 4 A ~ 16 A
•Current at 60 μs : 2 A ~ 8 A
•Rise Time : 0.8 μs

(2) Discharge Voltage Accuracy
Check ±2.0 kV, ±4.0 kV , ±6.0 kV, ±8.0 kV,±15.0 kV

Uncertainty

0.54 % ~ 7.7 %

Calibration Item

EFT/Burst Testing Device

Calibration Range

Voltage Check :
•PeaK Voltage:±(0.25 kV to 4.0 kV)
Timing Check
•Duration Time,Td:50 μs
•Rise Time,Tr:5 μs
•Burst Duration :0.75 ms & 15 ms
•Burst Period or Frequency :300 ms (or 3 Hz)
•Spike Frequency :2.5 kHz,5.0 kHz,100 kHz

Uncertainty

4.3 % ~ 8.1 %

Calibration Item

Surge Testing Device

Calibration Range

(1)Open Circuit Output


Voltage Waveform Check :
•Wavefrom 1.2/5.0
•Voltage Peak :+/- 0.50 kV to +/-4.0 kV
•Front Time : 1.2 μs
•Time to Half Value : 50 μs
(some others : 25 μs to 60 μs)
Wavefrom 10/700
•Voltage Peak : +/-0.50 kV to +/-4.0 kV
•Front Time : 10 μs
•Time to Half Value : 700 μs


(2)Short Circuit Output
Voltage Waveform Check :
Wavefrom 1.2/5.0
•Current Peak : +/- 250 A to +/- 2000 A
•Front Time : 8.0 μs
(some others : 2.5 μs)
•Time to Half Value : 20 μs
(some others : 25 μs)
Wavefrom 10/700
•Voltage Peak : +/-12.5 A to +/-100 A
•Front Time : 5 μs
•Time to Half Value : 320 μs


(3)Surge Impulse on the Phase of EUT AC Power (Surge Phase Shifting) 0 deg, 90 deg, 180 deg,270 deg, 360 deg

Uncertainty

2 % ~ 3.8 %
1.9 deg