Secuscan HD300-ETD portable explosive trace detector has high sensitivity, detect at least 100 nanogram black powder, high speed identify, VUV lamp soft ionization technique , non-radioactive, advanced migration tube design ensures high resolution, automatic cleaning system, renewable gas purification system, TFT color touch screen, support network control and transfer, unlimited Storage, USB output, minimum 1000 retrievable data records, up to 6 hours battery backup.