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China manufacture mine exploders/portable blasting machine
Product Introduction
FD mine exploders
good quality
cheap price
Use special tools to open the shell back cover then put into the battery before use. Attention the
battery polarity can’t opposite. Don’t touch the face of exploder-proof. Tighten the screws after put into battery. It can be used with an explosive mixture of methane and coal dust coal mine.
Ambient temperature: 0~+40°C
Ambient air relative humidity less than 95% (When at 25 °C)
Atmospheric pressure: 80~106kpa
Ambient temperature storage environment: -40°C~+60°C
Technology 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 |
The real details photo
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