Chapter 2: Product description
10 Stratos EX Hazardous Area Aspirating Smoke Detection System Installation Manual
Specifications
Caution: This equipment is only to be used in accordance with this specification.
Failure to operate the equipment as specified may cause damage to the unit,
injury, or property damage.
Table 1: Specifications
Specification Value
Supply Voltage 21.6 - 26.4 VDC
PSU Type: conforming to EN 54-4
Electrical safety complies with BS EN 610190-1
Explosion-proof housing Ex II 2 G EEx d IIB+H2 T3 (Tamb -20°C to 45°C)
Ex II 2 G EEx d IIB+H2 T2 (Tamb -20°C to 60°C)
Size (mm) excluding cable glands 400W x 200H x 180D inc. flame arrestors
Cable entries Up to 4 x M20
Weight 8.5kg
Housing material Aluminum LM25
Stainless Steel (ASTM 316) - option
Operating temperature range -10 to +60°C
Operating humidity range 0 - 90% noncondensing
Pollution degree 1
Installation category Category II
Sensitivity range (%Obs/m) Min = 25% Max = 0.03% FSD
Maximum sensitivity resolution 0.0015 % obs/m
Detection principle Laser light scattering mass detection
Particle sensitivity range 0.0003 µm to 10 µm
Current consumption 0.65 A
Relay contact rating[1] 10 VA (30 V max. or 0.5 A max.)
Maximum sampling pipe length 50 m
Sampling pipe inlets 1
Sampling pipe internal diameter 20 to 25mm
Alarm levels
4 (Fire 2, Fire 1, PreAlarm and Aux)
1 relay as standard, others available
Chamber service intervals Greater than 8 years (depending on environment)
Dust separator replacement intervals Greater than 2 years (depending on environment)
Programming PC via RS-232/RS-485
Data bus cable RS-485 data cable
Data bus length 1.2 km
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