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Mining Explosion-Proof and Intrinsically Safe Voice Acousto-Optic Signal Device
  • Mining Explosion-Proof and Intrinsically Safe Voice Acousto-Optic Signal Device
Mining Explosion-Proof and Intrinsically Safe Voice Acousto-Optic Signal Device

Mining Explosion-Proof and Intrinsically Safe Voice Acousto-Optic Signal Device

The device is applicable to the signal contact of belt transport and winches transport in coal mines containing explosive gases. It facilitates production and improves economic efficiency, having great popularization prospects and values. And it contains several functions of the old type, like dotting button, explosion-proof lights, explosion-proof bell, and three- way connection.


Product Details

The internal wiring of this product adopts plug-in terminal type, which is easy to replace and easy to maintain carrier,

This product adopts frequency modulation dynamic which has strong anti-interference ability, and the transmission distance is far and clear

The product adopts the modular structure and is sealed with epoxy resin. It is damp proof, shockproof and easy to maintain

The speakers use high frequency and waterproof horn, with high audio frequency and long transmission distance


Supply voltage: 127V

Operating current: 0.2A

Intrinsically safe parameters

Operating voltage: DC9.1V

Working current: ≤150mA

Sound loudness: no less than 85dB

Optical signal: the light signal is red, and the intensity of the

signal is visible at 20m in the dark

Communication distance: 2km

Online number: ≤10pcs