BS1 explosion-proof audible and visual alarm is used in petrochemical and offshore oil and gas platforms and other dangerous areas, providing various types of audible and visual combined alarm.
Features：
| ● Zones 1, 2，21 & 22 | ● Meet the environmental requirements of onshore and offshore oil and gas industry |
| ● Adopt low power consumption and long-life LED light source | ● Ocean aluminum |
| ● Red/yellow/Blue alarm three in one |
Technical Parameter：
■ Explosion proof characteristics
| Executive standard： | GB3836.1-2010、GB3836.2-2010、GB3836.3-2010、GB3836.4-2010 |
| Explosion proof sign： | Ex d e ib IIC T6 Gb Ex tD ibD A21 IP66 T80℃ |
| Ambient temperature： | -40℃～+60℃ |
| Zone： | Zone 1, Zone 2, Zone21, Zone22 |
■ light
| Light source type： | LED |
| Light source color： | Red / yellow / blue |
| Light source power： | ≤5W |
| Flashing type： | Rotary flash / non rotary flash, * fixed settings before delivery |
| Flashing frequency： | 150fpm @ rotary flash (customizable), 60~85fpm @ non rotary flash (customizable) |
■ sound
| Sound source type： | 32 alarm tones / customizable |
| Sound source power： | ≤2W |
| Sound pressure SPL： | 90dBA @1m，*different frequencies have different SPL |
■ electrical characteristics
| Rated voltage： | 24Vdc/220Vac |
| Rated power： | 7W |
■ physical characteristics
| Specification of cable entry device： | 1×M25 |
| Degree of protection： | IP66 |
| Anti corrosion grade： | WF1 |
| Weight： | 1kg |
| Size： | 115mm(W)×115mm(D)×165mm(H) |
