Product Advantages
Complies with GB27900-2011 "Firefighter Emergency Call Device" standard; explosion-proof performance complies with GB3836.1-2021 and GB3836.4-2021 standards; has permanent markings and product data identification; provides a national-level product type inspection report
Features power display, illumination function, and low-voltage alarm function; supports manual power on/off and card-based quick power on/off
Has manual and automatic alarm functions
Explosion-proof marking: Ex ia IIC T4 Ga
Protection rating: IP68
Static alarm time: 30s±1s, pre-alarm time: 15s±1s
Pre-alarm sound level intensity > 105dB
Strong alarm sound level intensity > 102dB
Continuous strong alarm time ≥ 1500min
Continuous operating time: ≥ 240h
The distress call device also functions as a directional light indicator, with a directional light brightness of ≥ 850cd/㎡ (0°, ±45°)
Weight: ≤ 180g
Technical Parameters
|
Category |
Parameter Item |
Detailed Specification and Description |
|
Compliance & Certification |
Applicable Standard |
Complies with GB 27900-2011 "Firefighter Emergency Call Device" standard |
|
|
Explosion-proof Standard |
Complies with GB3836.1-2021 and GB3836.4-2021 standards |
|
Basic Characteristics |
Protection Rating |
IP68 (Completely dust-tight and protected against long-term immersion in water) |
|
|
Weight |
≤ 180 grams |
|
Alarm Functions |
Alarm Modes |
Manual alarm and Automatic (Stationary) alarm |
|
|
Stationary Alarm Trigger Time |
30 seconds ± 1 second |
|
|
Pre-alarm Time |
15 seconds ± 1 second |
|
|
Pre-alarm Sound Level Intensity |
> 105 dB (Loud alert with high penetration) |
|
|
Strong Alarm Sound Level Intensity |
> 102 dB |
|
|
Continuous Strong Alarm Duration |
≥ 1500 minutes (25 hours) |
|
Endurance |
Continuous Operation Time |
≥ 240 hours (10 days, typical standby/operation time) |
|
Optical Indication |
Directional Light Indicator |
Also functions as an orientation light with brightness ≥ 850 cd/m² (visible within 0° and ±45° range) |
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