Overview specifications
For the first time in the industry, a model with a frequency of 100MHz, ultra-fine design of Φ1 mm, as well as a high temperature of 150° has been added to the lineup for a total of 46 models!

Features

You can select the coil wire diameter and coil length, and use it for a variety of current measurement targets, from narrow parts such as between IC leads to a large bus bars.

Applicable scope

  • Switching current waveform and pulse response characteristics of power devices
  • Inverter system current measurement
  • AC current measurement (at large DC offset)
  • Impulse large current measurement
  • Busbar large current measurement

SS-660 Series use cases
SS-280A Series use cases
SS-620x Series use cases

Features and main specifications of each Series

SS-680 Series
Rogowski coil current probe SS-680
SS-680 sensor unit

Maximum peak current: 600A (for SS-685)
Maximum frequency bandwidth (-3 dB): 100MHz
Withstand voltage: 1.2kV
Sensor cable length:1.5m
Sensor unit operating temperature range-10°C to 70°C

SS-660 Series
Rogowski coil current probe SS-660
SS-660 sensor unit

Coil wire diameter: 1 mm (max)
Maximum peak current: 600A (for SS-665)
Maximum frequency bandwidth (-3dB): 30MHz
Withstand voltage: 600V
Sensor cable length: 1.5m
Sensor unit operating temperature range -40℃~125℃

Base model: SS-660 Series　

High withstand voltage model(600V→1.2kV)

　　
Rogowski coil current probe SS-660
Made-to-order product

Coil diameter: 1.2mm (max)
Maximum peak current: 600A
Maximum frequency bandwidth(-3dB): 30MHz
Withstand voltage:1.2kV
Sensor cable length: 1.5m
Sensor unit operating temperature range-40℃~125℃

NEWSS-280A-H Series
Rogowski coil current probe SS-280A-H
SS-280A-H sensor unit

Coil wire diameter: 1.7mm (max)
Maximum peak current: 12kA (for SS-289A)
Maximum frequency bandwidth (-3dB): 30MHz
Withstand voltage: 1.2kV
Sensor cable length: 1.5m
Sensor unit operating temperature range-40℃~150℃

SS-280A Series
Rogowski coil current probe SS-280A
SS-280A sensor unit

Coil wire diameter: 1.7mm (max)
Maximum peak current: 12kA (for SS-289A)
Maximum frequency bandwidth (-3dB): 30MHz
Withstand voltage: 1.2kV
Sensor cable length: 1.5m
(3m is available: Please contact us)
Sensor unit operating temperature range -40℃~125℃

SS-620S Series
Rogowski coil current probe SS-620S
SS-620S sensor unit

Coil wire diameter: 3mm (max)
Maximum peak current: 12kA
Maximum frequency bandwidth (-3dB):
　100mm coil length type: 25MHz
Withstand voltage: 5kV
Sensor cable length: 3m
Sensor unit operating temperature range-40℃~125℃

SS-620M Series
Rogowski coil current probe SS-620M
SS-620M sensor unit

Coil wire diameter: 3mm (max)
(2.5mm is available: Please contact us)
Maximum peak current: 12kA
Maximum frequency bandwidth (-3dB):
　200mm coil length type:20MHz
Withstand voltage:5kV
Sensor cable length: 3m
Sensor unit operating temperature range-40℃~125℃

SS-290S Series
Rogowski coil current probe SS-290S
SS-290S sensor unit

Coil wire diameter: 8.5mm (max)
Maximum peak current: 12kA
Maximum frequency bandwidth (-3dB)
　300mm coil length type: 20MHz
Withstand voltage: 10kV
Sensor cable length: 3m
Sensor unit operating temperature range-40℃~125℃

SS-290L Series
Rogowski coil current probe SS-290L
SS-290L sensor unit

Maximum peak current: 12kA
(120kA is available: Please contact us)
Maximum frequency bandwidth (-3dB)
　700mm coil length type: 10MHz
Withstand voltage: 10kV
Sensor cable length: 3m
Sensor unit operating temperature range-40℃~125℃

Rogowski coil current probe introduction video


A Rogowski coil current probe and normal clamp type probe were compared.