KXB127 mine explosion-proof and intrinsically safe language alarm

KXB127 mine explosion-proof and intrinsically safe language alarm sound and light alarm device language uses mainly for coal mine gas and coal dust explosion hazards in the Track Inclined - tunnel, crossing fork, bend and Crossroads, throttle and other places on and off . Is mine roadway transportation safety warning necessary equipment. Features product designed for voice and red, green warning lights, together with the corresponding safety tips speech, effectively improve coal mine safety. This product uses the digital language integrated circuits and circuit design, circuit design is simple, easy to install, stable and reliable. The main technical parameters Rated working voltage 127VDC Working current 150mA intrinsically safe power supply maximum output voltage UO 15.1ADC intrinsically safe power supply noise LO 450mA maximum current output mode voice prompts, its distortion ≤15% alarm voice prompts level 85dB (A) alarm issued clearly visible in the dark optical signal within 20m Dimensions 404mm * 215mm * 320mm Weight about 17Kg