Electric caps ED-1-3-T, ED-1-8-T
ED-1-3-T are nonfuse electric detonators with deceleration, reduced sensitivity to ground currents and charges of static electricity (protected). ED-1-8-t is an instantaneous electric cap used instead of the “0” series of the ED-1-3-T cap. The nominal response time from direct current (5.0 ± 0.2) A is 3–8 ms.
On the ground as well as in mines and mine pits without dangerous gas or dust and in shale mines with dangerous dust, in conditions that are dangerous as regards charges of static electricity and ground currents. The ED-1-8-T are also designed for metals pulse treatment.
Technical properties:
| Electric resistance | 0.50–0.75 Ohm |
| Safe pulse | at least 40 A²ms |
| Safe current | 1.00 (±0.02) A |
| Operative current guaranteed | 5.0 A |
| Longstanding ignition current | 1.10 (±0.02) A |
| Ignition pulse | max. 88.0 A²ms |
| Waterproof at a water pressure 2.0 MPa | 20 minutes |
| Temperature range of application | −40ºC to +50ºC |
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