Digital Bench DCA Meter, 5 Amp DC Current (DA-103) a ferrite core and a

a ferrite core and a Hall effect element

They cost more than passive probe a

100MHz maximum bandwidth

DC and AC Frequency range: DC to 300KHz

oscilloscope:

Digital Bench DCA Meter, 5 Amp DC Current (DA-103) a ferrite core and aDigital DC Current meter with large LCD display, 0. 7" (18mm) digit height 4 ranges: 2 mA x 0. 001 mA 20 mA x 0. 01 mA 200 mA x 0. 1 mA 5 A x 0. 01 A Frequency Response: 40 Hz 500 Hz, sine wave Automatic zero adjustment All ranges feature a built in fuse for over load protection Meets IEC1010 CATII 600V safety standard 9V battery operation Durable ABS plastic housing Compact size 5. 8" x 4. 0" x 2. 6" Perfect for educational use, R & D, service,