info@hnfosen.com

+8615039061015

русский

+8615039061015

H2s gas sensor working principle

Hydrogen sulfide (H2S), as a colorless and toxic gas, has a wide range of applications and potential risks in industrial and environmental fields. Due to its toxicity and flammability, timely detection and monitoring of H2S gas is crucial, and H2s gas sensor plays a key role as a key safety equipment. In this paper, we will discuss the H2s gas sensor working principle, application areas and future development trends to emphasize its importance in protecting personnel safety and environmental monitoring.

H2s gas sensor working principle
H2s gas sensor working principle

Hazards of hydrogen sulfide (H2S) and the importance of H2s gas sensor

Hydrogen sulfide (H2S) is a colorless, toxic, and strongly malodorous gas that is commonly found in industrial production, oil extraction, wastewater treatment, and other environments. Although H2S may be odorless at low concentrations, high concentrations of H2S gas pose a serious threat to human health and safety.

The main hazard of H2S comes from its toxicity. At high concentrations, H2S can rapidly damage the respiratory and nervous systems, triggering dizziness, vertigo, nausea, vomiting, drowsiness, and even coma and death. Long-term exposure to low concentrations of H2S can also lead to chronic health problems such as respiratory disease, neurological damage, and cardiovascular problems.

Therefore, detecting and monitoring H2S is critical. Effective H2S monitoring allows for real-time knowledge of gas concentrations, early detection of leaks or areas of high concentration, and the necessary safety measures to protect staff and the environment.The importance of the H2s gas sensor as a solution comes to the fore.

FS01701 (3)
Electrochemical H2S Hydrogen Sulfide Gas Sensor Module FS01701

H2s gas sensor working principle

H2s gas sensors use the electrochemical sensing principle, which involves a special electrochemical reaction. Typically, the sensor contains a working electrode and a reference electrode, which are in contact with an electrolyte and air (or other oxidizing agent), respectively.

Detection of hydrogen sulfide: Hydrogen sulfide molecules undergo an oxidation reaction at the sensor’s working electrode, in which the hydrogen sulfide molecules lose electrons and are oxidized to sulfate ions (HSO4-). This reaction can be expressed as:

H2S -> 2e- + 2HSO4-

Current Generation: During the oxidation of hydrogen sulfide, electrons are released and flow through the sensor’s circuit, resulting in the generation of an electric current. The magnitude of this current is proportional to the hydrogen sulfide concentration.

Current Measurement: The sensor measures the current generated and converts it to a value for the hydrogen sulfide concentration. This is usually accomplished by interfacing with electronic equipment such as amplifiers and data collectors. The hydrogen sulfide concentration can be calculated or displayed based on the measured current.

hydrogen sulfide sensor
Electrochemical H2S Hydrogen Sulfide Gas Sensor FS01700

Fosensor H2s gas sensor features

Fosensor, a manufacturer with 20 years of experience in developing and producing sensors, produces the Hydrogen Sulfide Gas Sensor Module FS01701 with the following features

  1. High sensitivity: FS01701 can detect low concentration of H2S gas with high sensitivity, enabling early detection and alarm to prevent potential danger.
  2. Fast Response Time: The FS01701 has a fast response time and is able to quickly detect the presence of H2S gas and issue an alarm, enabling staff to take appropriate action in a timely manner.
  3. Wide detection range: FS01701 usually has a wide detection range, can cover different concentration range of H2S gas, from low concentration to high concentration can be reliably detected.
  4. Reliability and Stability: FS01701 are well designed and manufactured with good reliability and stability. They are able to operate continuously and stably under a variety of operating environmental conditions and provide accurate measurement results.
  5. Highly customizable: Hydrogen sulfide sensors manufactured by Fosensor can be customized to fit different application scenarios and requirements. For example, different types of sensors can be selected according to the special requirements of the working environment.
  6. Easy to install and use: Sensors usually have simple installation and operation steps and can be easily integrated into existing monitoring systems or used as stand-alone devices.
  7. Data logging and analysis: FS01701 is equipped with data logging and analysis function, which can record the trend of H2S gas concentration and provide analysis and report about the data to support safety management and decision making.
H2s gas sensor for chemical plants
H2s gas sensor for chemical plants

H2s gas sensor application areas

Hydrogen sulfide (H2S) sensors play an important role in several applications. Below are some common applications and the specific uses and values of hydrogen sulfide sensors in these areas:

  1. Oil and gas industry: H2S is a common toxic gas in oil and gas extraction, production and transportation. h2s gas sensor is widely used in oil wells, drilling platforms, refineries, and gas storage depots to monitor H2S gas concentration, provide real-time alarms and protect the safety of workers.
  2. Chemical plants: Hydrogen sulfide is a common by-product or intermediate product in chemical manufacturing and processing. Hydrogen sulfide sensors are widely used in chemical plants to detect potential H2S leaks, provide early detection and alarms to prevent accidents and protect staff health.
  3. Wastewater Treatment Plants: During wastewater treatment, biological decomposition of organic matter produces hydrogen sulfide. Hydrogen sulfide sensors can be used to monitor the concentration of H2S gas in wastewater treatment plants, helping to detect and solve H2S leaks in advance to ensure the safety of the working environment and the health of personnel.
  4. Mines and underground works: In mines and underground works, the presence of H2S gas can lead to serious safety problems. Hydrogen sulfide sensors are widely used in mines, tunnels and underground buildings for real-time monitoring of H2S gas concentration, issuing timely alarms and taking necessary safety measures to ensure the safety of staff.

In addition to the above areas, hydrogen sulfide sensors can also be used in environments such as sewage treatment plants, fertilizer production, food processing, metallurgical industry and laboratories. In these locations, the role of the sensor is to detect the presence of H2S gas in a timely manner, provide reliable monitoring and early warning, and thus protect the safety of staff and the health of the environment.

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. View more
Cookies settings
Accept
Privacy & Cookie policy
Privacy & Cookies policy
Cookie name Active

Henan Fosen Electronics Technology Co., Ltd. (Fosensor)operates the https://www.hnfosensor.com/ website (here in after referred to as the “Service”)This page informs you of ou policies regarding the colection,use, and disclosure of personal data when you use our Service and the choices you have associated with that data.

We use your data to provide and improve the Service. By using the Serice, we can do the colection and use of information in acordance with this policy. Unless otherwise defmed in this Privacy Policy, the terms used in this Privacy Policy have the same meanings as in our Terms and Conditions, accesible from https://www.hnfosensor.com/. 

Information Collection And Use

We collect several different types of information for various purposes to provide and improve our Service to you.

Types Of Data Collected

Personal Data

While using our Service, we may ask you to provide us with certain personally identifable information that can be used to contact or identify you (“Personal Data").Personally identifiable information may include, but is not limited to:

  • Email address
  • First name and last name
  • Phone number
  • Address, State, Province, ZIP/Postal code, City
  • Cookies and Usage Data

Usage Data

We may also collect information on how the Service is accesed and used (*Usage Data”). This Usage Data may include information such as your computer's IntemetProtocol addres (e. P addres, browser type, browser version, the pages ofour Serice thatyou visit,the time and date ofyour visit,the time spent on those pagesunique device identifiers and other diagnostic data.

Tracking & Cookies Data

We use cookies and similar trackimg technologies to track the actiyity on our Service and hold certain information.Cookies are files with smallamount of data which may include an anonyous unique identifer. Cookies are sent o your browser from a website and stored on your deviceTracking techmologies also used are beacons, tags, and scripts to colect and track information and to improve and analyze our Service.You can imstruct your browser to refuse all cookies or to indicate when a cokie is being sent. However, if you do not accept cookies, you may not be able to use someportions of our Service.
Examples of Cookies we use:

  • Session Cookies. We use Session Cookies to operate our Service.
  • Preference Cookies. We use Preference Cookies to remember your preferences and various settings.
  • Security Cookies.We use Security Cookies for security purposes.

Use Of Data

Henan Fosen Electronics Technology Co., Ltd. (Fosensor). uses the collected data for various purposes:

  • To provide and maintain the Service
  • To notify you about changes to our Service
  • To allow you to participate in interactive features of our Service when you choose to do so
  • To provide customer care and support
  • To provide analysis or valuable information so that we can improve the Service
  • To monitor the usage of the Service
  • To detect, prevent and address technical issues

Transfer Of Data

Your imformanion, including Personal Data, mav be transfered to - and maintained on - computers located outside of you state, province, country or other governmentaliurisdiction where the data protection laws may differ than those from your iurisdiction.Ifyou are located outside Chima and choose to provide imformatonto us,please note that we transierthe data ineuding PersonalData.to china and procesit thereYour consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.Henan Fosen Electronics Technology Co., Ltd. (Fosensor) will take all steps reasonably necesaryto ensure that your data is treated securely and in acordance with this privaey Policyand no transter otyour Personal Data wil take placeto an orgamzaon or a country umles there are adeuate controls im place incudimethe secuty ot wou data and otheipersonal information.

Disclosure Of Data

Legal Requirement

Henan Fosen Electronics Technology Co., Ltd. (Fosensor) may disclose your Personal Data in the good faith belief that such action is necessary to:

  • To comply with a legal obligation
  • To protect and defend the rights or property of Henan Fosen Electronics Technology Co., Ltd. (Fosensor)To prevent or investigate possible wrongdoing in connection with the Service
  • To protect the personal safety of users of the Service or the public
  • To protect against legal liability

Security Of Data

The security of your data is important to us, but remember that no method of transmision overthe Internet, or method of electronic storage is 10% secure. While we striveto use commercially acceptable means to protect your Personal Data, we cannot guarantee its absolute security.

Service Providers

We may employ third party companies and indiiduals to faclitate our Service (“service Providers",to provide the Service on our behalf,to perform Service-related servicesor to assist us in analyzing how our Service is used.these third narhes have aes to vour Peronal Data oniv to perorm these tasks on our behat and are obleated notto diselose oruse it tor any other puwpose

Links To Other Sites

Our Service may contaimn inks to other sites that are not operated by us, if you chick on a third party link,you will be directed to that third pary's site, We stongly advise you to review the Privacy Policy of every site you visit.

We have no control over and assume no responsibility for the content, privacy policies or practices of any third party sites or services.

Children's Privacy

Our Service does not address anyone under the age of 18 (“Children”We do not know any colect personal identiable informaton from one uder the age of 18, for you are a parentor guardian and you are aware that your Children has provided us with Personal Data, please contact us.If we become aware that we have colected Personal Data fom children wthout vericaton of parental consent. we take steps to remove that information from our servers.

Changes To This Privacy Policy

We may update our Privacy Policy from time to time. We wll notify you of any changes by posting the new Privacy Policy on this page.We will let you know via email and/or a prominentnotice on our Service, prior to the change becoming efective and update the “effective date" athe top of this Privacy Policy.

You are advised to reviewv this Privacy Policy periodically for any changes, Changes to this Privacy Polcy are effective when they are posted on this page

Contact Us

If you have any questions about this Privacy Policy, please contact us:

  

 

 

Save settings
Cookies settings