IR3 Flame Detector Flameproof Ex d

دریافت دیتاشیت

Technical Specifications
Dimensions Detector (W x H x D) 146 x 150 x 137 mm
Cable gland entries 3 x 20 mm
Electrical Terminal functions
1 – 2 Supply in connections or 2-Wire
connections +IN and -IN
3 – 4 Remote test input connections
+R and -R
5 – 6 Alarm Relay RL1 connections
7 – 8 Fault Relay RL2 connections
Operating voltage 14 to 30 V DC
Current consumption, 2-Wire configuration
Standby 4 mA
Alarm 20 mA
Current consumption,4-Wire configuration
Standby 8 mA
Alarm 20 mA
'Mechanics Housing material  Copper Free Aluminium Alloy (LM25)
Housing color Red
Weight 2.5 kg
Protection category (EN 60529) IP66
Equipment markings ATEX Ex II 2GD Ex d IIC T4 Gb
Ex tb IIIC T135 °C℃ Db IP66 A21
IECEx Ex d IIC T4 Gb
Ex tb IIIC T135 °C℃ Db IP66 A21
Environmental conditions Permissible operating temperature -10 to +55°C
Permissible storage temperature -20 to +65°C
Relative humidity 95%, no condensation
Special features Detection principle Detection of low frequency
(1 to 15 Hz) flickering infrared radiation
Operating wavelength band 0.75 to 2.7 µm
Detection area 90° cone
Sensitivity High (Class 1 ) and Low (Class 3 )
Range  Class 1: 0.1 m² n-heptane at 25m
Class 3: 0.1 m² n-heptane at 12m