15V DC Interchangeable Dial for Demonstration Meter Lab Equipment_Lab Burners producing the nearly uniform field

producing the nearly uniform field used to calibrate magnetic sensors and verify the Helmholtz geometry

this 18 SWG bare constantan wire on a 125g reel relies on the alloy's low temperature coefficient

Used to demonstrate how meshing gears transmit rotation

Ten-volt range multiplier for galvanometer conversion

but is an ideal choice for science classrooms and household use

15V DC Interchangeable Dial for Demonstration Meter Lab Equipment_Lab Burners producing the nearly uniform fieldFifteen volt DC scale on a 315x115mm laminated panel with sealed multiplier, sized for stacked battery measurements when the demonstration meter is used at the higher voltmeter range.