- Contact Person : Ms. Gui Teresa
- Company Name : Harbin East Alarm Equipment Development Co., Ltd.
- Tel : 86-451-82380878
- Fax : 86-451-82380879
- Address : Heilongjiang,Harbin,No.119, Fushui Road, Nangang District
- Country/Region : China
- Zip : 150090
Hot sale!Oneline explosion-proof audible and visual gas leak detector alarm
Characteristics (GQB-200G8 Gas leak detector alarm)
Fixed oxygen and toxic gas detection alam for industrial and hazardous locations
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.
7. specialized technique can make the sensor life doubled
Qualifications
1. one patent of practical new technique.
2. two patents of appearance technique.
3. fire control type approval of the ministry of public security.
4. National explosion-proof electric inspection.
Technical parameters
Type of sensor | Catalytic combustion sensor |
Working voltage | DC24V±5V |
signal output | 4-20mA |
display | 2+2 digits LEDdisplay; 3-colors LED light |
Relay output | 24V/1A |
Gas detection | combustible and toxic gas |
Detection range | 0-100% LEL |
Response time | <15S |
Detection precision | 3% |
Zero drift | 2% per year |
Lifetime | >3 years |
Enable applied areas | 1&2 hazardous zones of explosive gas |
sound & light alarm | 90dB with red color |
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 IICT6 |
Weight | 2.5kg(cast Al); 4kg(stainless steel) |
Kinds of Gas Detection | detection accuracy | mesurement range | operating temperature |
O2 | 0.50% | 0-30% | -20-50°C |
NH3 | 1ppm | 0-100ppm | -20-40°C |
CO | 1ppm | 0-100ppm | -20-50°C |
CL2 | 0.1ppm | 0-10ppm | -20-50°C |
C2H4O | 1ppm | 0-100ppm | -20-50°C |
H2(ppm) | 1ppm | 0-100ppm | -20-50°C |
H2(LEL) | 100ppm | 0-10000ppm | -20-40°C |
H2(1%) | 1ppm | 0-1% | -20-40°C |
HCL | 1ppm | 0-30ppm | -20-40°C |
H2S | 1ppm | 0-100ppm | -20-50°C |
NO | 1ppm | 0-100ppm | -20-50°C |
NO2 | 0.1ppm | 0-10ppm | -20-50°C |
SO2 | 1ppm | 0-20ppm | -20-50°C |
C2H3CL | 1ppm | 0-100ppm | -20-50°C |
Hot sale!Oneline explosion-proof audible and visual gas leak detector alarm