Iwatsu® Rogowski Coil Series

SS-280A Series

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-281A SS-28XA Manual Rogowski Current Probes Overview Image	110 Hz - 30 MHz	max. 30 A peak	3.5 mV rms	200 mV/A	2 kA/µs	80 kA/µs	1.0 kA/µs
SS-282A SS-28XA Manual Rogowski Current Probes Overview Image	65 Hz - 30 MHz	max. 60 A peak	2.5 mV rms	100 mV/A	4 kA/µs	80 kA/µs	1.5 kA/µs
SS-283A SS-28XA Manual Rogowski Current Probes Overview Image	32 Hz - 30 MHz	max. 120 A peak	2.0 mV rms	50 mV/A	8 kA/µs	80 kA/µs	1.5 kA/µs
SS-284A SS-28XA Manual Rogowski Current Probes Overview Image	9 Hz - 30 MHz	max. 300 A peak	1.8 mV rms	20 mV/A	20 kA/µs	80 kA/µs	1.5 kA/µs
SS-285A SS-28XA Manual Rogowski Current Probes Overview Image	6 Hz - 30 MHz	max. 600 A peak	1.8 mV rms	10 mV/A	40 kA/µs	80 kA/µs	1.5 kA/µs
SS-286A SS-28XA Manual Rogowski Current Probes Overview Image	3 Hz - 30 MHz	max. 1200 A peak	1.8 mV rms	5 mV/A	80 kA/µs	80 kA/µs	2.0 kA/µs
SS-287A SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 3000 A peak	1.4 mV rms	2 mV/A	80 kA/µs	80 kA/µs	2.0 kA/µs
SS-288A SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	80 kA/µs	80 kA/µs	2.0 kA/µs
SS-289A SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 12000 A peak	1.4 mV rms	0.5 mV/A	80 kA/µs	80 kA/µs	2.0 kA/µs
SS-280A SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 30000 A peak	1.4 mV rms	0.2 mV/A	80 kA/µs	80 kA/µs	0.5 kA/µs

SS-280A-H Series (High Temperature)

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-281A-H SS-28XA Manual Rogowski Current Probes Overview Image	110 Hz - 30 MHz	max. 30 A peak	3.5 mV rms	200 mV/A	2 kA/µs	80 kA/µs	1.0 kA/µs
SS-282A-H SS-28XA Manual Rogowski Current Probes Overview Image	65 Hz - 30 MHz	max. 60 A peak	2.5 mV rms	100 mV/A	4 kA/µs	80 kA/µs	1.5 kA/µs
SS-283A-H SS-28XA Manual Rogowski Current Probes Overview Image	32 Hz - 30 MHz	max. 120 A peak	2.0 mV rms	50 mV/A	8 kA/µs	80 kA/µs	1.5 kA/µs
SS-284A-H SS-28XA Manual Rogowski Current Probes Overview Image	9 Hz - 30 MHz	max. 300 A peak	1.8 mV rms	20 mV/A	20 kA/µs	80 kA/µs	1.5 kA/µs
SS-285A-H SS-28XA Manual Rogowski Current Probes Overview Image	6 Hz - 30 MHz	max. 600 A peak	1.8 mV rms	10 mV/A	40 kA/µs	80 kA/µs	1.5 kA/µs
SS-286A-H SS-28XA Manual Rogowski Current Probes Overview Image	3 Hz - 30 MHz	max. 1200 A peak	1.8 mV rms	5 mV/A	40 kA/µs	40 kA/µs	2.0 kA/µs
SS-287A-H SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 3000 A peak	1.4 mV rms	2 mV/A	40 kA/µs	40 kA/µs	2.0 kA/µs
SS-288A-H SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	40 kA/µs	40 kA/µs	2.0 kA/µs
SS-289A-H SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 12000 A peak	1.4 mV rms	0.5 mV/A	40 kA/µs	40 kA/µs	2.0 kA/µs
SS-280A-H SS-28XA Manual Rogowski Current Probes Overview Image	2 Hz - 30 MHz	max. 30000 A peak	1.4 mV rms	0.2 mV/A	50 kA/µs	50 kA/µs	0.5 kA/µs

SS-290 Series

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-293L SS-29x Manual Rogowski Current Probes Overview	1 Hz - 10 MHz	max. 1200 A peak	3.5 mV rms	5 mV/A	32 kA/µs	80 kA/µs	3.0 kA/µs
SS-293S SS-29x Manual Rogowski Current Probes Overview	1 Hz - 20 MHz	max. 1200 A peak	3.5 mV rms	5 mV/A	60 kA/µs	80 kA/µs	3.0 kA/µs
SS-294L SS-29x Manual Rogowski Current Probes Overview	0.8 - 10 MHz	max. 3000 A peak	2.0 mV rms	2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-294S SS-29x Manual Rogowski Current Probes Overview	0.8 - 20 MHz	max. 3000 A peak	2.0 mV rms	2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-295L SS-29x Manual Rogowski Current Probes Overview	0.6 - 10 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-295S SS-29x Manual Rogowski Current Probes Overview	0.6 - 20 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-296L SS-29x Manual Rogowski Current Probes Overview	0.4 - 10 MHz	max. 12000 A peak	1.2 mV rms	0.5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-296S SS-29x Manual Rogowski Current Probes Overview	0.4 - 20 MHz	max. 12000 A peak	1.2 mV rms	0.5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-297L SS-29x Manual Rogowski Current Probes Overview	0.2 - 10 MHz	max. 30000 A peak	1 mV rms	0.2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-297S SS-29x Manual Rogowski Current Probes Overview	0.2 - 20 MHz	max. 30000 A peak	1 mV rms	0.2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-298L SS-29x Manual Rogowski Current Probes Overview	0.1 - 10 MHz	max. 60000 A peak	1 mV rms	0.1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-298S SS-29x Manual Rogowski Current Probes Overview	0.1 - 20 MHz	max. 60000 A peak	1 mV rms	0.1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-299L SS-29x Manual Rogowski Current Probes Overview	0.1 - 5 MHz	max. 120000 A peak	1 mV rms	0.05 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-299S SS-29x Manual Rogowski Current Probes Overview	0.1 - 5 MHz	max. 120000 A peak	1 mV rms	0.05 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs

SS-620 Series

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-622S SS-62x Manual Rogowski Current Probes Overview Image	25 Hz - 25 MHz	max. 60 A peak	5.0 mV rms	100 mV/A	4 kA/µs	80 kA/µs	3.0 kA/µs
SS-622M SS-62x Manual Rogowski Current Probes Overview Image	25 Hz - 20 MHz	max. 60 A peak	5.0 mV rms	200 mV/A	TBD	80 kA/µs	3.0 kA/µs
SS-623S SS-62x Manual Rogowski Current Probes Overview Image	10 Hz - 25 MHz	max. 120 A peak	5.0 mV rms	50 mV/A	6 kA/µs	80 kA/µs	3.0 kA/µs
SS-623M SS-62x Manual Rogowski Current Probes Overview Image	10 Hz - 20 MHz	max. 120 A peak	5.0 mV rms	50 mV/A	8 kA/µs	80 kA/µs	3.0 kA/µs
SS-624S SS-62x Manual Rogowski Current Probes Overview Image	4 Hz - 25 MHz	max. 300 A peak	5.0 mV rms	20 mV/A	16 kA/µs	80 kA/µs	3.0 kA/µs
SS-624M SS-62x Manual Rogowski Current Probes Overview Image	4 Hz - 20 MHz	max. 300 A peak	5.0 mV rms	20 mV/A	20 kA/µs	80 kA/µs	3.0 kA/µs
SS-625S SS-62x Manual Rogowski Current Probes Overview Image	2 Hz - 25 MHz	max. 600 A peak	5.0 mV rms	10 mV/A	32 kA/µs	80 kA/µs	3.0 kA/µs
SS-625M SS-62x Manual Rogowski Current Probes Overview Image	2 Hz - 20 MHz	max. 600 A peak	5.0 mV rms	10 mV/A	40 kA/µs	80 kA/µs	3.0 kA/µs
SS-626S SS-62x Manual Rogowski Current Probes Overview Image	1 Hz - 25 MHz	max. 1200 A peak	3.5 mV rms	5 mV/A	60 kA/µs	80 kA/µs	3.0 kA/µs
SS-626M SS-62x Manual Rogowski Current Probes Overview Image	1 Hz - 20 MHz	max. 1200 A peak	3.5 mV rms	5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-627S SS-62x Manual Rogowski Current Probes Overview Image	0.8 Hz - 25 MHz	max. 3000 A peak	2.0 mV rms	2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-627M SS-62x Manual Rogowski Current Probes Overview Image	0.8 Hz - 20 MHz	max. 3000 A peak	2.0 mV rms	2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-628S SS-62x Manual Rogowski Current Probes Overview Image	0.6 Hz - 25 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-628M SS-62x Manual Rogowski Current Probes Overview Image	0.6 Hz - 20 MHz	max. 6000 A peak	1.4 mV rms	1 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-629S SS-62x Manual Rogowski Current Probes Overview Image	0.4 Hz - 25 MHz	max. 12000 A peak	1.2 mV rms	0.5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-629M SS-62x Manual Rogowski Current Probes Overview Image	0.4 Hz - 20 MHz	max. 12000 A peak	1.2 mV rms	0.5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs

SS-630 Series

Image	Notepad	Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
		SS-630S	0.2 Hz - 20 MHz	max. 30000 A peak	1.1 mV rms	0.2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
		SS-630M Rogowski Current Probes Overview	0.2 Hz - 25 MHz	max. 30000 A peak	1.1 mV rms	0.2 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs

Order number

Bandwidth (-3 dB)

Current

Noise

Sensitivity

Peak di/dt

Absolute Max. di/dt - Peak *

Absolute Max. di/dt - RMS *

SS-630S

0.2 Hz - 20 MHz

max. 30000 A peak

1.1 mV rms

0.2 mV/A

80 kA/µs

3.0 kA/µs

SS-630M

Rogowski Current Probes Overview

0.2 Hz - 25 MHz

max. 30000 A peak

1.1 mV rms

0.2 mV/A

80 kA/µs

3.0 kA/µs

SS-660 Series

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-662 Rogowski Current Probes Overview SS-66x Manual	110 Hz - 30 MHz	max. 60 A peak	5.0 mV rms	100 mV/A	4 kA/µs	80 kA/µs	3.0 kA/µs
SS-662P Rogowski Current Probes Overview SS-66x Manual	110 Hz - 30 MHz	max. 60 A peak	5.0 mV rms	100 mV/A	4 kA/µs	80 kA/µs	3.0 kA/µs
SS-663 SS-66x Manual Rogowski Current Probes Overview	65 Hz - 30 MHz	max. 120 A peak	3.5 mV rms	50 mV/A	8 kA/µs	80 kA/µs	3.0 kA/µs
SS-663P Rogowski Current Probes Overview SS-66x Manual	65 Hz - 30 MHz	max. 120 A peak	3.5 mV rms	50 mV/A	8 kA/µs	80 kA/µs	3.0 kA/µs
SS-664 SS-66x Manual Rogowski Current Probes Overview	32 Hz - 30 MHz	max. 300 A peak	2.5 mV rms	20 mV/A	20 kA/µs	80 kA/µs	3.0 kA/µs
SS-664P Rogowski Current Probes Overview SS-66x Manual	32 Hz - 30 MHz	max. 300 A peak	2.5 mV rms	20 mV/A	20 kA/µs	80 kA/µs	3.0 kA/µs
SS-665 SS-66x Manual Rogowski Current Probes Overview	17 Hz - 30 MHz	max. 600 A peak	2.0 mV rms	10 mV/A	40 kA/µs	80 kA/µs	3.0 kA/µs
SS-665P Rogowski Current Probes Overview SS-66x Manual	17 Hz - 30 MHz	max. 600 A peak	2.0 mV rms	10 mV/A	40 kA/µs	80 kA/µs	3.0 kA/µs
SS-666 Rogowski Current Probes Overview SS-66x Manual	9 Hz - 30 MHz	max. 1200 A peak	1.8 mV rms	5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs
SS-666P Rogowski Current Probes Overview SS-66x Manual	9 Hz - 30 MHz	max. 1200 A peak	1.8 mV rms	5 mV/A	80 kA/µs	80 kA/µs	3.0 kA/µs

SS-680 Series

Order number	Bandwidth (-3 dB)	Current	Noise	Sensitivity	Peak di/dt	Absolute Max. di/dt - Peak *	Absolute Max. di/dt - RMS *
SS-683 SS-68x Manual Rogowski Current Probes Overview Image	65 Hz - 100 MHz	max. 120 A peak	1.8 mV rms	10 mV/A	30 kA/µs	150 kA/µs	3.0 kA/µs
SS-684 SS-68x Manual Rogowski Current Probes Overview Image	32 Hz - 100 MHz	max. 300 A peak	1.8 mV rms	5 mV/A	85 kA/µs	150 kA/µs	3.0 kA/µs
SS-685 SS-68x Manual Rogowski Current Probes Overview Image	15 Hz - 100 MHz	max. 600 A peak	1.8 mV rms	2 mV/A	150 kA/µs	150 kA/µs	3.0 kA/µs
SS-686 Rogowski Current Probes Overview SS-68x Manual	8 Hz - 100 MHz	max. 1200 A peak	1.8 mV rms	1 mV/A	90 kA/µs	90 kA/µs	3.0 kA/µs
SS-687 Rogowski Current Probes Overview SS-68x Manual	5 Hz - 50 MHz	max. 3000 A peak	1.8 mV rms	0.5 mV/A	90 kA/µs	90 kA/µs	3.0 kA/µs
SS-688 Rogowski Current Probes Overview SS-68x Manual	3 Hz - 30 MHz	max. 6000 A peak	1.8 mV rms	0.2 mV/A	90 kA/µs	90 kA/µs	3.0 kA/µs
SS-689 Rogowski Current Probes Overview SS-68x Manual	2 Hz - 30 MHz	max. 12000 A peak	1.8 mV rms	0.1 mV/A	90 kA/µs	90 kA/µs	3.0 kA/µs

Mechanical

Order number	Operating Range (° C)	Coil length
SS-280A Series	-40°C to +125°C	80mm
SS-280A-H Series	-40°C to +150°C	80mm
SS-290 Series S	-40°C to +125°C	300mm
SS-290 Series M	-40°C to +125°C	700mm
SS-620 S Series	-40°C to +125°C	100mm
SS-620 M Series	-40°C to +125°C	200mm
SS-660 Series	-40°C to +125°C	80mm/84mm
SS-680 Series	-40°C to +125°C	14mm

* These are "Absolute maximum di/dt ratings" and values must not be exceeded

Application Notes:

THE BASICS OF ROGOWSKI COIL CURRENT PROBE

HIGH SPEED SW CURRENT MEASUREMENT

LOW FREQUENCY CHARACTERISTICS OF ROGOWSKI COIL PROBE AND DROOP

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