









Hot Wire Combustible Gas Sensor MR511
Summary:
MR511 type gas sensor through gas absorption on the metal oxide semiconductor generates hot conduction and electronics conduction change principal, the white coil resistor change when detecting gas concentration. MR511 consists detecting element and compensation element, both elements are placed in a wheatstone bridge circuit, when the combustible gas appears, the detecting element resistor reduces, bridge circuit voltage output changes, the voltage will increase according to the gas concentration increase, the compensation element refers to temperature compensation effection.
Feature:
* High sensitivity, large output
* Fast primary stability time, quick response
* Remarkable reproducibility and reliability.
* Goode selectivity, avoid smoke ethanol disturb
* Low consumption, miniature design
APPLICATION
The combustible gas alarm is an alarm device for detecting gas leakage. The component that reacts to the combustible gas is a gas sensor, and the response signal is converted into an electrical signal through the circuit board. When the combustible gas in the air reaches a certain concentration value, the alarm will alarm. The high-end household combustible gas alarm can automatically start the exhaust equipment and close the gas pipeline valve at the same time. A wireless transmission device can be installed inside the gas alarm to realize overall monitoring and network alarm to ensure the safety of everyone's life and property.
Industrial Combustible Gas Alarm
In the process of industrial use of combustible gas, if the combustible gas is in an incomplete combustion state or has gas leakage, etc., the combustible gas will cause personnel poisoning or fire accidents, directly threatening the life safety of personnel. Therefore, it is necessary to install an industrial-grade gas alarm. If the gas exceeds the standard in the on-site environment, the alarm can give an early warning, thereby reducing the probability of danger.
Formaldehyde detector is an instrument for detecting formaldehyde. Generally, semiconductor sensors and electrochemical sensors are used to realize the rapid semi-quantification of formaldehyde in indoor air on the spot, which is characterized by simple structure, small size, intuitive,easy to carry and use.
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PARAMETER
Technical Data Sheet
Item | Technical parameter | Unit | |
Working voltage | 3.0±0.1 | V | |
Working current | @100±10 | mA | |
Sensitivity | 0.3% Methane | >100 | mV |
0.2% Butane | >80 | mV | |
0.1% Hydrogen | >30 | mV | |
Linearity | 0~5 | % | |
Response Time (90%) | Less than 20 | sec | |
Resume time (90%) | Less than 40 | sec | |
Working environment | -20~+60℃, Less than 95%RH | / | |
Storage environment | -30~+80℃, Less than 95%RH | / | |
Size | Φ12X10 | mm |

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RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
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