Products
Catalytic Combustion Gas Sensor
for industry gas monitoring
Application:
Concentration detection of flammable gases such as natural gas,liquefied gas, coal gas,and alkanes at industrial sites,flammable gas leak alarms, flammable gas detectors, and gas concentration metersProduct characteristics:
Good stabilityDescription
The ZC28/ZC28C catalytic combustion gas sensor works according to the principle of catalytic combustion effect. It is composed of a detection element and a compensation element paired to form an arm of the bridge. When encountering combustible gas, the resistance of the detection element increases, and the output voltage of the bridge changes. The voltage variable increases in direct proportion to the increase of gas concentration. The compensation element plays a role of reference and temperature and humidity compensation.
Specifications
| Product model | ZC28/ZC28C |
| Product type | Catalytic Combustion Gas Sensor |
| Standard package | Metal packaging, metallurgical powder mesh |
| Working voltage(V) | 2.8±0.1 |
| Working current(mA) | ZC28：90±10 ZC28C：95±10 |
| Sensitivity(mV) | 1% Methane: ZC28：20～40 ZC28C：16～35 |
| 1% Propane: ZC28：30～60 ZC28C：25～55 | |
| Linearity | ≤5% |
| Measuring range(%LEL) | 0-100 |
| Response time(90%) | ≤10S |
| Recovery time(90%) | ≤30S |
| Usage environment | -40℃～+70℃， Lower than 95%RH |
| Storage environment | -20℃～+70℃ ，Lower than 95%RH |
| Size (L×W×H mm) | ZC28: 19×9.5×14 ZC28C: 14×8×10 |
| Explosion proof signs | ExdibⅠ |
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