China YHE Explosion-proof Loudspeaker:
YHE Explosion-proof Loudspeaker
1) Chapter 2 of Part 4 of the "Steel Ship Classification Rules" of the China Classification Society;
2) Chapter VII of International life-saving appliance code, annex, as amended by msc.218(82);
3) IMO resolution A. 1021 (26) code on "Alarm and indicators, 2009".
Colour: Grey
Cable gland: Stainless steel
Explosive-proof Grade: II2G Ex db IIC T5 Gb
IP rating: IP56
Steady voltage input: 120V
Power and sound level:
| Power | 0.5W | 1W | 2W | 3W | 5W | 10W | 15W | 25W |
| Sound level(dB) | ≤85dB | ≤89dB | ≤92dB | ≤94dB | ≤97dB | ≤101dB | ≤103dB | ≤105dB |