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MEMS H2 Sensor GMV-2021B
Summary:
GMV-2021B hydrogen gas sensor is a gas sensor based on an all-solid-state MOS principle based on an advanced MEMS architecture. Hydrogen in the environment will cause a change in the conductivity of the MOS in an exponential function of the hydrogen concentration.
Feature:
* Solid state
* Lightweight
* Low power consumption
* Long life
* Excellent anti-interference
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APPLICATION
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.
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.
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PARAMETER
Technical Data Sheet
| Part No. | GMV-2021B | ||
| Sensor Type | MEMS-MOS | ||
| Standard Encapsulation | Ceramic | ||
| Detection Gas | H2 | ||
| Detection Range | 0.1～1000ppm(H2) | ||
| Standard Circuit Conditions | Loop Voltage | VC | ≤24V DC |
| Heater Voltage | VH | 2.5V±0.1V AC or DC | |
| Load Resistance | RL | Adjustable | |
| Sensor character under standard test conditions | Heater Resistance | RH | 80Ω±20Ω（room temperature） |
| Heater consumption | PH | ≤50mW | |
| sensitive materials resistance | RS | 1KΩ～30KΩ(in 200ppm H2 ) | |
| Sensitivity | S | R0(in air)/RS(in 200ppm H2)≥5 | |
| Concentration Slope | α | ≤0.6(R500ppm/R200ppm H2 ) | |
Free Guide! Learn the Parameter Differences of Similar Sensors
Wondering how to find the most suitable one for you out of so many sensors? Download our free guide to learn the comparison table of technical parameters.
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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We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.
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