Product Main

Specifications

1.    Product Features
FD-50-200D mining exploder is a power switching devices, which is used to detonate electric detonators, with advantage of low waste, high power, can be worked under those mine well which is in danger of methane, gas, etc.
Product Performance Standards: GB/T7958-2000, Q/RD003-2008.
2.    Environment and Conditions
a)    Environment temperature: 0℃~+40℃
b)    Under coal well, contain explosive gas(methane).
C) Air relative humidity(RH): < 95%(25℃)
d) Atmospheric pressure: 80~ 106kpa
e) Storage environment temperature: 40℃~+60℃
3. Main Parameters
Model
FD-50
FD-100
FD-150
FD-200
Rated shot
50
100
150
200
Rated load resistance Ω
320
620
920
1220
Peak voltage V
900
1900
2400
2800
Intrinsic safety voltage Uo[V]
6
6
6
6
Intrinsic safety output current Io[mA]
6-20
6-20
6-20
6-20
Maximum open circuit voltage V
6
6
6
6
Max. short-circuit current A
5
5
5
5
Conduction test loop current mA
6-20
6-20
6-20
6-20
Specification of battery
1# Dry cell, voltage 1.5 V
Battery number (section) 
4
4
4
4
Rated detonated times
50
100
150
200
Charging time S
≤10
≤20
≤20
≤20
Safe power supply time ms
≤4
≤4
≤4
≤4
Ignition impulse A2ms
8.7<12.0
8.7<12.0
8.7<12.0
8.7<12.0
Allowed external bus length    m
≤300
≤300
≤300
≤300
Bus distributed inductance  mH/km
≤0.1
≤0.1
≤0.1
≤0.1
Bus distributed capacitance  uF/km
≤0.1
≤0.1
≤0.1
≤0.1