Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Seamless translucent silicon tubing in

Seamless translucent silicon tubing in a 40-inch length with 11 mm outer and 7 mm bore

Wide-range triple-scale moving-coil DC voltmeter at 0-3V

Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle

Eight nickel-plated aluminum forks spanning C 256Hz to C 512Hz in a C-major scale

the shorter focus delivering more magnification at the cost of field of view

Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Seamless translucent silicon tubing inDesigned to let students draw their own electrodes on conductive graph paper and trace equipotential lines with a multimeter, this kit makes electric field patterns visible without high voltage.