Effective Outdoor Coverage Up to 3.0 Kilometers
- Operating Medium: Air, nitrogen, CO2, 1/2" NPT inlet
- Control: Manual, solenoid or combination valve
- SPL (Loudness) on Total: 140 ± 1 dBA @ 1 meter, 70 dB @ 3 km in still air
- Consumption: 22 L/sec [45 SCFM] @ 7 bar [100 PSIG]
- Audibility: 3 km (bi-directional) on still air
- Single tone, 311 Hz fundamental frequency
- Energy efficient with hermetically sealed stainless steel diaphragm assembly
- Will operate on a wide range of pressure without tuning and field adjustments for years of trouble-free service
- High strength aluminum casting and stainless steel fasteners
- Operating Temperature: -40ºC to 85ºC [-40ºF to 185ºF]
- Finish: Primed and painted red
- Degree of Protection: IP 54
