Description:
Name: DC bell
Model Number: M-0424
Main technical index:
1, working voltage: 3--6v
2, solenoid coil resistance is 10--20 ohm
3, the bell is ringing clear in the range of 15m
Uses:
It can be as the primary school science, junior middle school physics learning electromagnetics demo DC bell structure and studying the working principle of bell, DC bell is actually a kind of application of the electromagnet can also meet the pumping gas disk, it is placed in the bell jar, and pumping gas, will see is the sound of the bell clapper in percussion, but almost can't hear the voice that vacuum may not sound, sound propagation medium is required.
The shipment will be arranged in 1-3 working days( not including customized product), and takes about another 3-9 working days to reach you.

• Name: DC bell
• Color: As the picture show
• Model Number: M-0424
• working voltage: 3--6v
• solenoid coil resistance is 10--20 ohm

Name: DC bellWDQY