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Magneto Electric Detonator
based on the transformer coupling theory, magneto electric detonator is impulse by the energy from electromagnetic induction. Magneto electric detonator is named “ safe detonator” with static resistance, strays resistance, lighting resistance and RF electricity resistance. It only can be initiated under the current of special work frequency generated by special blasting device, and can not be initiated by the electricity for daily or industry use (220V, 380V,50 Hz). Magneto electric detonator is mainly applied in the metal mine with dangers of strays, RF electricity, magnetic field interference and lighting induction etc..
1. Technical index:
Specification: Industrial No.8
Shell: OD Φ6.9mm
Shell: Flange steel
Length of shell: 60mm
Leg-wire: Copper、copper-clad steel
Length of leg-wire: 1m (can be ensured according to the requirements of customers)
2. Performance
| Item | Performance |
| Anti direct current | 30A |
| Anti direct current voltage | 300V |
| Anti power frequency voltage | 380V |
| Safety frequency | No explosion charging with 10A current between 0～2KHz, 300KHz～∝ for 1min |
| Safety current | Under rated work frequency, no explosion charging with 0.4A effective current for 5min |
| Series firing current | 20 pieces of detonator connected into series circuit with 3.5A constant current, all explode |
| Static Sensitivity | 2000pF, 15KV, magnetic ring to shell static discharge, no explosion |
| Water Resistance | Immersed in 20m deep water for 20hrs, initiation performance does not change |
| Jolt test | No explosion, structural damage, shortcut or open circuit after vibrating for 10 minutes in the vibration machine |
| Initiating Powder | Have a lead plate test(5mm), after initiation, the blowed diameter should not be smaller than the detonator OD |
