The early streamer emission can be defined as the average gain in streamer emission time of the ESE air terminal compared to a simple rod air terminal measured in the same conditions. ΔT is measured in a hifg voltage Laboratory according to the NFC 17-102 ed. 2011 standard.
| Reference | 90325 |
| Designation | IONIFLASH MACH NG 25 |
| Early Streamer Emission | 78μS |
| Weighted Early Streamer Emission | 25μS |
| Security Coefficient | 68% |
| Gross Weight | 1.9 Kg |