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and cold surfaces
Measuring range 15 minutes
hand driven machine consisting of a substantial cast iron body with removable crank handle and one thumb screw clamp to clamp the machine to a table
2 layers of Oxford cloth and 2 layers of PVC waterproof layer are compounded
Available in clear
Demonstration Relay Unit Puppets and cold surfacesPractical Learning Tool: The Demonstration Relay Unit offers a hands on way to understand the functioning of a relay. Visual Circuitry: Clearly observe the separation between the coil circuit and the switched circuit, enhancing comprehension. Safety Feature: Illustrates the safety advantage of using relays to control high voltage circuits with low voltage ones. Electromagnetic Action: Learn how the coil's electromagnetic field attracts the armature to
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