HASHIMA , HN-30 NEEDLE DETECTOR MERK HASHIMA HN-30 Magnetic induction HN30 is a hand held needle detector manufactured by the Japanese company Hashima. Detective method: Magnetic induction. Dection ability Hi 0.8mm steel at 5mm height from detecting surface. Low 1.0mm steel at 5mm height from detecting surface. Alarm method Buzzer and LED lamp. Untuk Pemesanan Hub : Mia 0856 9139 8333, 021- 40911748, 081317815151. Email : mia_ brsinaga@ yahoo.com.