Coal mine permissible Version
ECMHW-M-TB-Y1/100-B-FBH200
Characteristic
Application scenario: In mines with explosion risks of combustible gas and coal dust, such as underground coal mine blasting scene
Core components
Energy storage
Tantalum electrolytic capacitor
Energy exchange
Thin-film bridge wire
Performance configuration
Delay setting mode
Preset type（five stages）
Maximum delay time(ms)
<120
Network capability
≤200
Communication distance
≤2000m
Coal permit dedicated line
Coal permit dedicated line
Allowable leakage current in communication network
≤5mA
Working current
low voltage: 6-17μA
high voltage: 15-25μA
high voltage: 15-25μA
Adapted gunpowder
Lead thiocyanate series, dinitro/trinitro series, red lead silicon series, etc.
Interface
Outer dimension
welding：Φ6.0x34.5
riveting：Φ6.0x37.9
riveting：Φ6.0x37.9
Application scenarios
Open air
×
Large section
×
Medium section
×
Small section
×
Underground coal mine
√
Oil&Gas exploration
×
Large throwing blasting
×
Operating temperature(℃)
-40℃~+85℃
Storage life
24 months
Note：
1. The above network capabilities is subject to the configuration of blast network
2. Large section: cross section area >30m²; Middle section: cross section area between 12m²and 30m² Small section: cross section area <12m²
