• Use environment
  a) Ambient temperature: (0~+40) ℃;
  b) Relative humidity: ≤ 95% (25 ℃);
  c) Ambient atmospheric pressure: (80~106) kPa;
  d) Places without significant vibration and impact;
  e) The surrounding medium is free of corrosive gas;
  f) Underground coal mine with danger of methane and coal dust explosion.
• Explosion-proof type: mine intrinsically safe type
  Explosion-proof sign: Ex ib I Mb

Overall dimension: 315 mm × 174 mm × 154 mm
Shell material: 304 stainless steel
Weight: about 3.5kg

• 1) Intrinsically safe parameters
  Power terminal: Ui: DC12.8 V, Ii: 1.6 A, Ci: 0 μ F,Li:0 mH;
  Ethernet electrical signal terminal: Uo: 5.8 V, Io: 50 mA, Co: 10 μ F,Lo:10 Mh.
  2) Ethernet optical interface
  a) Interface mode: SC single mode;
  b) Number of interfaces: 2;
  c) Optical wavelength: 1310 nm;
  d) Transmission rate: 100 Mbps;
  e) Emission optical power: – 10 dBm ~ 0 dBm;
  f) Maximum transmission distance: 10 km.
  3) Ethernet electrical interface
  a) Interface mode: RJ45;
  b) Number of interfaces: 2;
  c) Transmission rate: 10/100 Mbps (adaptive);
  d) Maximum transmission distance: 50 m.
• KBA12 Mining Safety explosion proof Camera

Rated working voltage: 12 V DC

Associated power supply: KDW127/18

Maximum size: 315 mm × 174 mm × 154 mm;

Application: used in downhole drilling field and other occasions requiring video monitoring

Interface type: 2 Ethernet electrical ports and 2 100M optical ports.

• Standard configuration:

Lens: 200W pixels, maximum resolution 1920 × 1080,

Focal length: (2.8~12) mm,

Video compression: H.264/H.265.

• Optional:

Lens: 400W pixels, maximum resolution 2560 × 1440,

Focal length: fixed focus 6 mm,

Video compression: H.264/H.265.