ewoo EW-403, Reference Manual

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1. SPECIFICATIONS
1-1. INDICATOR
Model Gas Leak Detector EW-403
Detectable Gases LPG, LNG, City Gas, Combustible Gas, Toxic Gas (NH3.H2)
Power supply AC 220V. 60㎐
Power consumption Normal condition - 2.5W. Alarm condition - 3W
Operating Temperature
&Humidity
0℃ ~ 40℃, Below 95%(RH)
Detection Range 0 ~ 100% LEL
Alarm point Combustible gas- below 25% LEL (The set point is 18% LEL now)
Response time Within 20 sec
Concentration display 3 FND 10 LED bar
Visual & audible Alarm Yellow LED blinking, Buzzer Sound (above 70dB)
Operating Green LED
Fault Yellow LED, buzzer sound (short sound)
Warmup Time about 1 min.
Cabling VCT,CVVS (above 0.75mm)
Dimensions 149*259*87mm
Output DC 12V (20~30mA). Dry contact (COM.NO.NC)
Relay contact AC 220, 1A
Weight about 1,718g
1-2. SENSOR
Model EW EX Ⅱ B 100
Detectable Gases LPG, LNG, City Gas, Combustible Gas, Toxic Gas
Detection Technique Catalytic combustion, diffusion
Operating Temperature &
Humidity
-20℃~50℃. below 95% (RH)
Explosion-Proof Exd Ⅱ BT6
Conduit entry 16mm inside diameter, 23mm outside diameter
Dimensions 140*142*75 mm
Weight 1,016g
Detection range 0~100%(LEL)
Response time within 20 sec