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Good equipment and simple operation ktz127 acoustooptic annunciator for mining

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core tip: ktz127 mining flameproof and intrinsically safe communication acousto-optic annunciator (coal safety certificate No.: mhb120009) is mainly used in workplaces containing coal dust and explosive gas in underground coal mines. It is suitable for coal mine

ktz127 mining explosion-proof and intrinsically safe communication acousto-optic annunciator (the metal fatigue crack of the fatigue fracture of the coal safety certificate usually germinates at the stress concentration of the surface layer (slip band, inclusions, precipitated particles, scratches, notches, metallurgical defects, etc.) and then expands to the fracture number: mhb120009). It is mainly used in workplaces containing coal dust and explosive gases in coal mines. It is suitable for the signal connection of inclined roadway hoisting and belt transportation in coal mines, and it can also be used as the direct connection between the winch room and the wellhead. The acousto-optic signal is realized by the mine moisture-proof loudspeaker and the bright LED

structural characteristics of acousto-optic annunciator ktz127 mining explosion-proof and intrinsically safe communication acousto-optic annunciator integrates the lighting button, explosion-proof lamp, explosion-proof bell and three-way junction box. The lighting button is set in the explosion-proof junction chamber, and there are three outlet ports, which replace the lighting button and three-way junction box, and the explosion-proof lamp and explosion-proof bell are replaced by bright LED and mining moisture-proof loudspeaker. Carrier intercom communication is realized through power connection

ktz127 mining explosion-proof and intrinsically safe communication acousto-optic annunciator has simple wiring, easy maintenance, convenient use, communication adopts frequency modulation power carrier, strong anti-interference ability, long transmission distance, good communication effect, and the product movement adopts epoxy packaging, moisture-proof, shock proof, and long service life

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main technical parameters of acousto-optic annunciator

working voltage: ac127v

working current: ≤ 200mA

intrinsic safety parameters: dc10v, 330mA

sound loudness: dot sound level is not less than 85dB, call sound level is not less than 80dB

optical signal: red, visible in the dark 20m

communication distance: communication distance ≤ 2000m

Dongda electromechanical Sales: Manager Wang