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The Iwatsu SS Series Rogowski Coil Current Probe is the best and ideal solution for measuring current through placing a coil around the current flow to be measured (the coil loop) and detecting a change in magnetic flux generated by the current flow to be measured. 

• This instrument is designed to measure the current (current waveform) in conductors to be used. The Rogowski Coil Current Probe measures current through placing a coil around the current flow to be measured (the coil loop) and detecting a change in magnetic flux generated by the current flow to be measured.  According to the Ampere’s law, in the Rogowski Coil, commonly known that the integration of flux along with closed loop measured as current magnetic field is equal to the current that flows inside of Rogowski Coil

		Sensor part temperature range	-40ºC to 125ºC(Sensor cable included)
		Peak Voltage	10kV peak
Model	Frequency bandwidth [-3dB]	Coil length [mm]	Sensitivity [mV/A]	Peak Current [A]	Peak di/dt [kA/μs]	Noise level [mV rms]	Absolute maximum di/dt
							Peak [kA/μs]	RMS [kA/μs]
SS-293L	1Hz to 20MHz	700	5	1,200	32	3.5	80	3.0
SS-293S	1Hz to 10MHz	300			60
SS-294L	0.8Hz to 20MHz	700	2	3,000	80	2.0
SS-294S	0.8Hz to 10MHz	300
SS-295L	0.6Hz to 20MHz	700	1	6,000		1.4
SS-295S	0.6Hz to 10MHz	300
SS-296L	0.4Hz to 20MHz	700	0.5	12,000		1.2
SS-296S	0.4Hz to 10MHz	300