0-5V DC Moving Coil Voltmeter Category_Demonstrations and single-celled organism structure for

and single-celled organism structure for protist biology teaching

6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting

providing the more readily oxidized electrode that drives current in classic galvanic-cell demonstrations

this model removes a brain half to expose the cortical surface

Heavy-duty reed switch on a demonstration base with 4mm plug connections

0-5V DC Moving Coil Voltmeter Category_Demonstrations and single-celled organism structure forFive volt moving coil DC voltmeter at plus or minus 2. 5% accuracy in a fully enclosed plastic case, sized to read single cell and small battery pack voltages without scale overshoot risk.