MD61 Gas Sensor Detection of Methane Hydrogen Inert gases
The MD heat conduction gas sensor is made according to the principle that the total thermal conductivity of the mixed gas changes with the content of the gas to be analyzed. The detection element and the compensation element are paired to form an arm of the bridge. The resistance of the detection element becomes smaller when it encounters a gas with a larger thermal conductivity than air, and when it encounters a gas with a smaller thermal conductivity than air (air background), the output voltage of the bridge changes, and the voltage variable increases with the gas concentration. It increases proportionally, and the compensation element plays a role of reference and temperature compensation.
To detect methane, hydrogen, and inert gas etc. on industrial sites.
- Linear output signal
- Good re-peatability and reliable performance
- No catalyst poisoning
- Detecting without Oxygen or short of oxygen
|Standard package||Metallurgical powder network|
|Detection Gas||Methane, hydrogen, inert gases|
|Working Voltage (V)||3.0±0.1 (DC)|
|Working current(mA)||≤120 mA|
|Response time (90%)||≤10 s|
|Resume time (90%)||≤30 s|
|Using Environment||-20－+50℃, ＜95%RH|
|Storage Environment||-20—+70℃, ＜70%RH|
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.
The sensors don't have sleeping mode. It can be set in program if needed.
All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.
The sensor has been fully tested (not calibrated) before leaving the factory. However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.
15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.
Our sensors are certified with UL, CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.
Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.
Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to email@example.com
Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.
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