ShenzhenYijiajie Electronic Co., Ltd.
| Expected service life | ≥ 24 months |
| Supply Ability | 1500 |
| T90 response time | ≤ 30 s |
| Working temperature | -20°C ~ +50°C |
| Payment Terms | L/C, D/A, D/P, T/T, , |
| Working current | < 5 mA |
| Signal output | 1. UART serial port |
| Packaging Details | Box pack |
| Relative humidity | 15% - 90% RH |
| Delivery Time | 5-8 days |
| Detection lower limit | ≤ 0.5 ppm |
| Resolution | 0.1 ppm |
| Model Number | ZE03-SO2 |
| Brand Name | YJJ |
| Place of Origin | CHINA |
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Product Specification
| Expected service life | ≥ 24 months | Supply Ability | 1500 |
| T90 response time | ≤ 30 s | Working temperature | -20°C ~ +50°C |
| Payment Terms | L/C, D/A, D/P, T/T, , | Working current | < 5 mA |
| Signal output | 1. UART serial port | Packaging Details | Box pack |
| Relative humidity | 15% - 90% RH | Delivery Time | 5-8 days |
| Detection lower limit | ≤ 0.5 ppm | Resolution | 0.1 ppm |
| Model Number | ZE03-SO2 | Brand Name | YJJ |
| Place of Origin | CHINA | ||
| High Light | SO2 gas sensor module ，electrochemical SO2 sensor 0-100ppm ，air monitoring gas sensor module | ||
Product Description:
YJJ ZE03-SO2 Electrochemical SO2 Gas Sensor Module 0-100ppm for Environmental Air Monitoring
Features:
I. Basic Information
Brand: Winsen
Type: Integrated electrochemical gas detection module (includes a built-in three-electrode SO2 sensor + signal processing + temperature compensation circuit)
Detected Gas: Sulfur Dioxide (SO2)
Dimensions: Φ23.3 × 31.2 mm
Power Supply: DC5V. The entire unit has been calibrated and no additional amplification circuit is required
II. Core Electrical and Detection Parameters (25°C) Table
Project Parameter Value
Measurement range 0 - 100 ppm (standard range)
Resolution 0.1 ppm
Detection lower limit ≤ 0.5 ppm
T90 response time ≤ 30 s
Linearity Linear output, built-in temperature compensation
Power supply voltage DC 5.0V ± 0.1V
Operating current < 5 mA, low power consumption
Signal output 1. UART serial port (TTL 3V, 9600 baud)
2. Analog voltage output 0.4 - 2.0V
Operating temperature -20℃ ~ +50℃
Relative humidity 15% - 90% RH, no condensation water vapor
Expected service life ≥ 24 months (normal atmospheric environment)
Zero drift Long-term drift is small, suitable for continuous online monitoring
III. Product features
Integrated module: Sensor + operational amplifier + AD + temperature compensation integrated, direct reading of concentration upon power-on, simplifying hardware development;
Dual output: Digital serial port + analog voltage, compatible with single-chip microcontrollers, PLC secondary development;
Three-electrode electrochemical structure, suppressing cross-interference of NOx, VOC, etc. gases;
Drought-resistant, suitable for high-humidity working conditions of flue gas, exhaust gas;
Compact in size, suitable for OEM integration in small-sized detection instruments.
IV. Usage description
1. Environmental air monitoring (main scenario)
Micro air monitoring station, grid-based air monitoring equipment, monitoring SO2 pollution concentration in the air;
Urban factory non-organized emissions, park air quality online monitoring.
2. Industrial flue gas and environmental protection equipment
Simple detection of SO2 in post-desulfurization tail gas of boilers, kilns, smelting plants;
Monitoring of sulfur dioxide concentration at the outlet of exhaust gas treatment equipment;
Core sensing element of portable flue gas detector.
3. Industrial safety detection
SO2 leakage alarm in smelting, coking, sulfuric acid workshops;
Inspecting toxic gases in pipelines, storage tanks with toxic gas probes;
Detection of acidic flue gas after blasting in mines.
4. Instrument OEM support
Portable single/compound gas detector;
Fixed online SO2 transmitter;
Flue gas sampling analyzer, automatic exhaust gas sample monitoring module.
Specifications:
| Detection gas | SO2 |
| Size | Φ23.3 × 31.2 mm |
| Power supply | DC 5V |
| Measurement range | 0 - 100 ppm |
| Operating temperature | -30°C to +55°C |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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