Explosion-proof gas detector
Imported sensor
2+2 LED display
Small size &100dBsound
Utility model & appearance patent
Online explosion-proof combustible gas alarm detector (GQB-200A)
Characteristics (GQB-200A Gas alarm detector)
90dB high bright LED display screen, clearly seen outside 10 meters.
Sensor imported with original packaging.
double windows and 2+2 digits display.
material of aluminium magnesium alloy.
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)
Type of sensor | Catalytic combustion sensor |
Working voltage | DC24V±5V |
electric signal output | 4-20mA |
display | 2+2 digits LEDdisplay; 3-colors LED light |
Relay output | 24V/1A |
kinds of Gas detection | Combustible gas |
Detection range | 0-100% LEL |
Response time | <15S |
Detection precision | 3% |
Zero drift | 2% per year |
Lifetime | >3 years |
Enable application areas | 1&2 hazardous zones of explosive gas |
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 | Exd II CT6 |
Weight | 2.5kg(cast Al); 4kg(stainless steel) |
