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  • PH12 mine self - security display screen
  • PH12 mine self - security display screen

PH12 mine self - security display screen

PH12 mine safety LED display (short for display screen), suitable for coal mine roadway with good ventilation, prompt underground pedestrians to walk safely.

  • Tel:86-537-2902388
  • Mobile:+8618053706580
  • Email:sales@dongdamachinery.com
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Product Introduction

Overview of PH12 mine safety screen

PH12 mine safety LED display (short for display screen), suitable for coal mine roadway with good ventilation, prompt underground pedestrians to walk safely.

Main parameters of PH12 mine self - security display screen

A) Input power: DC 12.5V;

B) Working current: ≤95mA;

C) Allowable voltage fluctuation range ±3%;

D) The intensity of optical signal should be ≤20m in darkness

E) Ampere parameters: Ui:DC12.5V Ii:95mA Ci:0 F Li:0mA

PH12 mine self - security screen suitable environment

A) Ambient temperature: 0℃~40℃;

B) Atmospheric pressure: 80kPa~106kPa;

C) Average air relative humidity: ≤95% (+25℃);

D) Underground coal mines with explosive mixtures of methane and coal dust, but without corrosive gases that destroy insulation.

PH12 mine - based security screen working principle

The display screen is composed of light-emitting diodes indicating "no pedestrians while driving" to remind underground pedestrians to walk safely.

Installation and use of PH12 mine safety display screen and precautions

PH12 mine - based security screen installed and used

The model, specification and electrical parameters of the circuit and components in the circuit shall not be modified during maintenance.

It is strictly prohibited to open the cover and maintain it live;

The product shell has two lifting nose, which can be easily installed on the wall of the roadway.

Can be connected with the equipment specified in the specification.

PH12 mine self - security display screen random accessories

A) One INTRINSICALLY safe LED display screen for PH12 mine

B) Product qualification certificate; 1

C) Operating instructions; 1

D) Packing list; 1

PH12 mine - based security screen after - sales service

Products from the date of delivery, within a year due to the quality of the product itself, our company to implement three guarantees.

PH12 mine - type self - security display screen picture