Brand Name : chicheng
Model Number : QB2000N
Certification : NTEX
Place of Origin : china
MOQ : 1
Price : usd455/pc
Payment Terms : t/t
Supply Ability : 10000pcs/month
Delivery Time : 6 working days
Packaging Details : in carton
Display : LCD
Characteristics:
◆Sensor types:electrochemical sensor
◆4-20mA analog output(3+ channel) for direct communication to DCS system and RS485 ModBusoutput
◆Sensormodule design on -spot replacement s and automatically distinguish sensor fault and current display fault simultaneously.
◆LED Display(LCD optional)
◆Password verification for repeat operation, avoid fault operations.
◆-40~+70℃ following compensationfor accurate detecting.
◆Second grade visual alarms on-site and Relay(connected with audible/visual alarms or drive exhaust device).
◆User-selectable alarm setpoint(s).
Technical parameters:
Environment Parameter |
Environment temperature:-20℃~+60℃ |
Relative humidity ≤90%R.H. |
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Technical Parameters |
Working voltage: 16~30VDC |
Working current: QB-01T is 120mA, others ≤50 mA |
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Output signal: 4~20mA standard signal two wire type output (QB-01T three wire type) |
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Sensor |
electrochemical sensor; QB-01T is catalytic combustion type |
Respond Time |
T90 less than 30 seconds |
Exterior Structure |
Weight ≤900g |
Mounting |
type: wall-mounted |
Transition cable: two core shield cable (QB-01T uses three core shield cable), section 2×1.5mm2, external diameter ¢10mm |
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Transferring distant ≤1000m |
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Anti-explosion Class |
Exd IICT6(used for explosion proofing);ExiaIICT4(used for intrinsic safety type) |
Ingress Protection |
IP66 |
Detector Model |
Gas Detected |
Range |
Range Optional |
Resolution |
Responding Time |
CO Detector |
CO |
0-1000ppm |
0-500/2000/5000ppm |
1ppm |
≤20s |
O2 Detector |
O2 |
0-25%VOL |
30%VOL |
0.1%VOL |
≤20s |
O3 Detector |
O3 |
0-10ppm |
0-100ppm |
0.01ppm |
≤20s |
H2S Detector |
H2S |
0-100ppm |
0-50/200/1000ppm |
1ppm |
≤30s |
H2 Detector |
H2 |
0-1000ppm |
0-5000ppm |
1ppm |
≤30s |
CL2 Detector |
CL2 |
0-20ppm |
0-10/100ppm |
0.1ppm |
≤30s |
NH3 Detector |
NH3 |
0-100ppm |
0-50/500/1000ppm |
1ppm |
≤30s |
SO2 Detector |
SO2 |
0-20ppm |
0-50,1000ppm |
0.1ppm |
≤30s |
NO Detector |
NO |
0-25ppm |
0-500ppm |
0.1ppm |
≤30s |
NO2 Detector |
NO2 |
0-20ppm |
0-50/100ppm |
0.1ppm |
≤30s |
CH2O Detector |
CH2O |
0-50ppm |
0-5/10ppm |
0.01ppm |
≤30s |
HCL Detector |
HCL |
0-20ppm |
0-20/100ppm |
0.5ppm |
≤30s |
Flammable Gas Detector |
EX |
0-100%LEL |
0-100%LEL |
1% |
≤30s |
For the gas that is not covered here though, please don’t hesitate to contact us. |
Fixed carbon dioxide gas detector with range of 0-20%vol and weight of 1.2kg Images |