Overview specifications
For the first time in the industry, a model with a frequency of 100MHz, ultra-fine design of Φ 1 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～+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

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℃

SS-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)：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)：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)：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)：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.