SG20 explosion-proof audible and visual alarm is of explosion-proof design. The product is stable, long service life; internal use of bright LED light-emitting diodes, multi-angle clearly visible, can effectively warn the staff to take timely measures to avoid accidents; has a small size, light weight, easy to install, durable, waterproof, shock-resistant, corrosion-resistant, etc.
LED driver chip
SG20 explosion-proof acoustic and visual alarm can be widely used in metallurgy, petroleum, petrochemicals, mining, chemical industry, light industry, coking, municipal, coal gas, pharmaceuticals, sewage treatment and many special industries, Coking, municipal, gas, pharmaceutical, sewage treatment and many special industries and fields.
SG20 explosion-proof audible and visual alarm is of explosion-proof design. The product is stable, long service life; internal use of bright LED light-emitting diodes, multi-angle clearly visible, can effectively warn the staff to take timely measures to avoid accidents; has a small size, light weight, easy to install, durable, waterproof, shock-resistant, corrosion-resistant, etc. SG20 explosion-proof acoustic and visual alarm can be widely used in metallurgy, petroleum, petrochemicals, mining, chemical industry, light industry, coking, municipal, coal gas, pharmaceuticals, sewage treatment and many special industries, Coking, municipal, gas, pharmaceutical, sewage treatment and many special industries and fields.
◆ When SG20 explosion-proof sound and light alarm is connected to DC power supply, the oscillation circuit works;
◆ Dedicated LED driver chip controls the light flashing, while the dedicated music chip drives the buzzer to emit intermittent fire sounds to ensure safety.
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