Hand Crank Air Raid Siren,Sirene maual metal casing
Perhatian!
Spesifikasi Hand Crank Air Raid Siren,Sirene maual metal casing
Hand operated siren is an audible warning device in order to indicate a dangerous or emergency situation and designed to provide effective warning in applications where there is no power supply, such as civil defence, camp sites, mountain rescue, frontier sentry and coast guard warning. Due to lightweight, the sirens can be easily transported to remote locations and folded up to a small size for easy of handling, furthermore the price is quite cheap, so this kind of alarms are welcomed by customer. This model comes complete with carry case, making it the ideal choice where portability is crucial.
Outdoor Rating: 110±2dB(C) @ 1m;
Frequency: 550Hz Nominal (dependent on rotation speed);
Construction: Aluminium siren;
Tangan sirene dioperasikan adalah perangkat peringatan terdengar untuk menunjukkan situasi yang berbahaya atau darurat dan dirancang untuk memberikan peringatan yang efektif dalam aplikasi di mana tidak ada listrik, seperti pertahanan sipil, situs kamp, penyelamatan gunung, perbatasan penjaga pantai penjaga dan peringatan. Karena ringan, sirene dapat dengan mudah diangkut ke lokasi terpencil dan dilipat hingga ukuran kecil untuk memudahkan penanganan, selanjutnya harganya cukup murah, jadi ini semacam alarm disambut oleh pelanggan. Model ini dilengkapi dengan tas jinjing, menjadikannya pilihan yang ideal di mana portabilitas sangat penting.
Penilaian di luar ruangan: 110 ± 2dB (C) @ 1m;
Frekuensi: 550Hz Nominal (tergantung pada kecepatan rotasi);
Konstruksi: Aluminium sirene;
pt triviteknik
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