MNS-4H2S-100 Electrochemical H2S Gas Sensor 0-100 ppm
Product Description
Description
This H2S gas sensor uses three-electrode electrochemical sensing technology for hydrogen sulfide concentration measurement. It provides a linear signal output with fast response, good repeatability and stable performance. The compact structure makes it suitable for integration into portable, fixed and OEM hydrogen sulfide detection equipment.
Features
Three-electrode electrochemical sensing technology for reliable H2S detection
Fast response for timely hydrogen sulfide concentration monitoring
Good repeatability with stable and linear signal output
Wide environmental adaptability for industrial gas detection applications
Low cross-sensitivity to NO, NH3, CO2 and ethylene under specified test conditions
Application
Hydrogen sulfide gas detectors
Portable and fixed gas detection equipment
Industrial safety monitoring systems
Wastewater and sewage monitoring equipment
Oil, gas and petrochemical monitoring equipment
OEM H2S sensing equipment
Specifications
Detection Principle | Electrochemical |
Measurement Range | 0–100 ppm |
Maximum Overload | 200 ppm |
Sensitivity | 0.7 ± 0.25 μA/ppm |
Resolution | 1 ppm |
Response Time | <30 s |
Bias Voltage | 0 mV |
Output Characteristic | Linear |
Repeatability | <±2% |
Long-term Stability | <15% Signal Value/Year |
Operating Temperature | -20°C to +50°C |
Operating Pressure | 800–1200 mbar |
Operating Humidity | 15%–90% RH |
Storage Temperature | 0°C to +20°C |
Service Life | 2 Years |
Warranty Period | 1 Year |
Maximum Open-circuit Voltage | 1.3 V |
Maximum Short-circuit Current | <1.0 A |
Maximum Current at 2000 ppm | 0.3 mA |
Recommended Load Resistor | 10 Ω |
FAQs
What gas does the MNS-4H2S-100 detect?
The MNS-4H2S-100 is designed to detect hydrogen sulfide, commonly abbreviated as H2S.
What type of gas sensor is the MNS-4H2S-100?
It is a three-electrode electrochemical hydrogen sulfide sensor.
What is the H2S measurement range?
The specified measurement range is 0-100 ppm.
What is the maximum overload?
The specified maximum overload is 200 ppm H2S.
What is the sensitivity of the sensor?
The nominal sensitivity is 0.7 ± 0.25 μA/ppm.
What is the resolution?
The specified resolution is 1 ppm.
What is the response time?
The response time is less than 30 seconds.
Does the sensor require a bias voltage?
The specified bias voltage is 0 mV.
What is the operating temperature range?
The MNS-4H2S-100 operates from -20°C to +50°C.
What is the operating humidity range?
The specified humidity range is 15%-90% RH.
What is the expected service life?
The specified service life is approximately 2 years under suitable storage and operating conditions.
Is the MNS-4H2S-100 suitable for portable gas detectors?
Yes. Its compact Ø20 mm design, electrochemical sensing principle and fast response make it suitable for portable H2S detectors and multi-gas instruments.
Can the MNS-4H2S-100 be used in OEM products?
Yes. It is designed for integration into OEM hydrogen sulfide detectors, industrial safety instruments, environmental monitoring systems and other gas detection equipment.