Gas alarm detector
100dB high bright 2+2 LED display
Sensor imported & needless calibration
long services lifetime
GQB-200A Gas alarm detector for combustible and toxic gas detection for hazardous location
Characteristics
100dB high bright LED display screen; clearly seen outside 10 meters.
Sensor imported with original packaging.
Double windows and 2+2 digits display.
Material is aluminium magnesium alloy or stainless steel material.
Sensor exchanged needless calibration.
Specialized technique can make the sensor life doubled
Certificates
One patent of practical new technique. Two patents of appearance technique. Fire control type approval of the ministry of public security. National explosion-proof electric inspection.
Technical parameters (Combustible gas- Catalytic combustion sensor)
Type of sensor | Catalytic combustion sensor |
Detection gas | Combustible gases |
Working voltage | DC24V±5V |
Working current | Less than 150mA |
electric signal output | 4-20mA |
display | 2+2 digits LED display; 3-colors LED light |
Relay output | 24V/1A |
Detection range | 0-100% LEL |
Response time | <15S |
Detection precision | 3% |
Zero drift | 2% per year |
Lifetime | >3 years |
Enable application areas | zone I&II hazardous locations of explosion-proof gases |
sound & light alarm | 100dB red color alarm |
Relative humidity | 10~95%RH ( no condensation) |
Atmospheric pressure | 86~106Kpa |
Operating temperature | -40ºC~ +70ºC |
Transmission cable | 3 core shielding line with 1~1. 5mm2 diameter |
Electrical equipment connector | M20*1.5 (cast Al); G3/4”(stainless steel) |
Explosion-proof grade | ExdIICT6 |
Weight | 2.5kg(cast Al); 4kg(stainless steel) |
