Tektronix AM503B

For direct measurement of direct and alternating currents up to 15 MHz (with A 6303) or up to 50 MHz (with A 6302) in combination with oscilloscopes with a sensitivity of 10 mV DC. Measurement amplifier with 12-step attenuator, measurement ranges from 20 mA/div to 100 A/div, pulse current measurement up to 500 A possible (with A 6303), output impedance 50 ohms. CURRENT CLAMP AMPLIFIER