Sell Working alarm - Tien Thanh 2 in electric bell best price
0
ratings
SGD 7.32
Ships from | Vietnam |
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Product Description
Application:
Used to ring alarm for factories, schools, fire alarms...
Some standard bell sizes
2 inch electric bell
3 inch electric bell: capacity 60db
4 inch electric bell Power: 75dB (around: 400- 600m2)
6 inch electric bell Power: 85dB (around: 600- 1000 m2)
8 inch electric bell Power: 97dB (using 1000 -1500 m2)
10 inch electric bell Power: 100dB) used for an area with a total area of 1000 -2000 m2