Holder for Plug-in Components, Holding rod with 4-mm connector sockets to accommodate and connect components with two plugs matching a 19-mm or 50-mm grid or conductor loops for verifying the Biot-Savart law, Diameter of rod: 10 mm, Dimensions: 110x20x135 mm3
Digital Multimeter E, Compact 3-1/2-digit LCD, 24 mm, max. 1999 for measuring voltage, current and resistance as well as for diode and hFE gain testing, AC voltage: 2 V − 600 V, Operating voltage: 9 V battery 6F22, Dimensions: 90x190x35 mm3 approx.