เครื่องเตือนแก๊สรั่ว Gas Leak Detector EWOO รุ่น EW-401
1.1 Indicator
Model | EW-401 |
Target Gas | LPG, LNG, City Gas (Methane, Butane, Propane) |
Power Source | AC220V, 50~60Hz |
Consumption | Normal Condition 2.5W, Alarm Condition 3W |
Detection Concentration | Combustible Gas - Below 25% LEL (The set point is 18% LWL now) |
Response Time | Within 20 sec |
Aging Time | 1 min after power applied |
Alarm Method | Yellow LED blinking, Buzzer Sound (above 70dB) |
Operating | Green LED |
Cabling | VCT, CVVS (above 0.75 mm.) |
Temp./Humid. | 0°C-40°C, Below 95% (RH) |
Size [mm.] | 149 x 259 x 87 mm. |
Output | DC12V (20~30 mA), Dry Contact (COM, NO, NC) |
Relay Contact | AC220V, 1A |
Weight [g.] | 1,718 |
1.2 Sensor
Target Gas | LPG, LNG, City Gas (Methane, Butane, Propane) |
Detection Technique | Catalytic Combustion, Diffusion |
Operating Temperature & Humidity | -20°C~50°C, Below 95% (RH) |
Explosion-Proof | Exd II BT |
Conduit Entry | 16 mm. inside diameter, 23 mm. outside diameter |
Dimensions | 140 x 142 x 75 mm. |
Weight [g] | 1,016 |
Detection Range | 0~100% (LEL) |
Response Time | within 20 sec |