Product Description:
YJJ ES4-H2S-100 Electrochemical Hydrogen Sulfide Gas Sensor Is Used
in Field of Industrial Safety
Features:
ES4-H2S-100 gas sensor is a high-precision hydrogen sulfide
detection device, mainly applied in industrial safety,
environmental monitoring and other scenarios. The following are its
core parameters and usage descriptions:
Core parameters
Range: 0 - 100 ppm
Sensitivity: 0.8 ± 0.2 mA/ppm
Baseline: < ± 0.4 mA at 20℃
Resolution: 0.1 ppm
Response time: T90 ≤ 20 seconds
Long-term stability: < 2% per month
Operating temperature: 0 - 50℃
Storage conditions: 6 months (special packaging), 0 - 20℃
Applicable scenarios
Industrial Safety: Applicable to high-risk areas such as coal
mines, petrochemical plants, and power plants, capable of detecting
hydrogen sulfide leaks.
Environmental Monitoring: Used for monitoring in sewage treatment
plants, waste incineration emissions, and other high-concentration
scenarios.
Portable Detection: Portable equipment can be flexibly deployed in
multi-gas integrated detection scenarios.
Notes for Attention
It is recommended to use the target gas for calibration.
Cross-sensitive gases may cause measurement errors.
For long-term use, regular calibration is necessary to ensure
measurement accuracy.
ES4-H2S-100 hydrogen sulfide polymer sensor describes the product
characteristics
good linear response
low noise
warm-up time is short
no electrolyte leakage
low price (large order)
quick response
each sensor includes test report
German EC sensor small size, no power consumption, low cost, long
life, high precision industrial grade smart polymer electrochemical
gas sensor, so that smart phones, wearable devices, commercial
buildings
Internal air quality monitoring, in-car air quality monitoring,
medical monitoring, etc.
Industrial level technical standards, serving the civil field, to
provide perceptual layer accurate data sniff out danger! Smell the
poison!
performance
Sensitivity to 90 + 20 na/PPM
Plus or minus 20 na bottom current
The response time
-T50< 10s
-T90< 30s
Range 100 ppm500ppm1000ppm
Repetitive 1%
Minimum detection limit ≤1ppm
Resolution (16-bit ADC)0.1ppm
Maximum load 200ppm1000PPM2000PPM
Linear range is 200ppm1000PPM2000PPM
The environment
Temperature range -40to50℃
Relative humidity range (non-condensing) 10to95%rH
Pressure range 800-1200hPA
operation
Operating principle three electrode electrochemical formula
Bias 0 mv
The recommended load resistance is 100Ω
Heating time < 20s
life
Long-term stability < 1% month
Zero drift (in clean air) < 2ppm
Storage conditions 0-20℃
Expected working life > 3 years
Storage time: 6 months
The warranty period is 12 months
encapsulation
Packaging material ABS
Weight & lt; 6g
Order no. 01 - ES4 - H2S - 100-01
Specifications:
| Standard packaging | metal |
| Detection of gas | Methane, natural gas, methane |
| Detection of concentration | 300~10000ppm |
| Circuit voltage | ≤24V DC |
| heating voltage | 5.0V±0.1V AC or DC |
