Βρέθηκε 19 αποτελέσματα για "
grounding resistance monitor
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Μηχανολογικός μετρητής κεραυνών ip67 3ka-100ka χωρίς καταγραφέα υπερβολικής ισχύος
LSC-3000 Mechanical Lightning Strike Counter is mainly used for counting direct lightning strikes of external lightning protection systems (such as lightning rods, down conductors) or lightning strikes of T1/T2 type surge protectors in power distribution systems. It adopts a German brand mechanical dial, featuring reliable performance without the need for power supply. With IP67 protection level, the counter is dustproof and waterproof, suitable for outdoor installation in
