8.Smoke Detector EHF Series

Application

Smoke detector is a ernsitve yet rugged
protection device that is designed for 
use hazardous areas for zone1,2.

TECHNICAL DATA
Hazardous Area Gas   Dust
Zones 1 & 2 21&22
Equipment Group/Category II 2G   II 2D
Symbol of Protection Ex db ia IIC T6  Gb Ex  tc IIIb T80°C Db IP54
Conformity to Standard EN 60079-0:2012+A11:2013, EN 60079-1:2014,
  En 60079-11:2011, EN 60079-31:2014
Ambient Temperature -20°C to +55°C 
Index of Protection IP54 (Applicable to ceiling moumt only)
   
Mounting  Ceiling mount
Operaating Voltage 12/24V DC
SPECIFICATION
body : Cast aluminium with polyester powder coated
Bolts : Stainless steel
 
Electrical Rating    
Operating temp range : 32°F to 120°F (0°C to 50°C)
Operating humidity range : 10% to 93% Relative Humidity, Noncondensing
Alarm current : 10-130mA. **
  : 85µA Standby
Loop type : 2-wire*
Sensitivity : 1-3.18%/ft.
OPTION
CATALOGUE NUMBER AND DIMENSION