• SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor

SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor

The SW6-NO2-02 is a high-precision industrial NO2 sensor designed for accurate nitrogen dioxide detection in harsh environments. Featuring advanced sensing technology, IP65-rated durability, flexible 4-20mA and LoRaWAN communication, wide power compatibility, and robust EMC compliance, it ensures reliable, real-time monitoring in mining, chemical plants, pharmaceutical factories, and fertilizer plants. Its smart IoT integration supports seamless data acquisition and wireless transmission, making it an ideal solution for enhancing industrial safety and compliance.

Mounting Type
Nut Mounting
Usage
Industrial Nitrogen Dioxide Sensor
Accuracy
±5% FS
Output Signal
RS485
Response Time
5min
Operating Temperature
-20°C~50°C
Voltage - Supply
12~24V DC
Average Power
0.18W
Working Pressure
91~111kPa
Operating Humidity
15~90%RH (no condensation)
$140.50
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor
  • SW6-NO2-02 Gas Transmitter 4-20mA RTU NO2 Nitrogen Dioxide Sensor

Description

SW6-NO2-02 Industrial NO2 Sensor: Precision Monitoring for Harsh Environments

Elevate industrial safety and compliance with the SW6-NO2-02, a cutting-edge Nitrogen Dioxide (NO2) sensor designed for high-precision detection in demanding applications. Engineered to thrive in extreme conditions—from chemical plants to mining operations—this sensor combines robust durability with smart IoT integration, ensuring reliable real-time data for critical decision-making.

Why Choose the SW6-NO2-02?

I. Uncompromising Accuracy
  • Equipped with advanced sensing technology and imported chips, the sensor delivers precise NO2 concentration measurements (0–2000 ppm) with ±5% FS detection accuracy.
  • Resolutions as fine as 0.1ppm (20ppm range) ensure early detection of hazardous levels, safeguarding personnel and regulatory compliance.
     
II. Built Tough for Harsh Environments
  • IP65-rated enclosure protects against dust, rain, and snow, while withstanding temperatures from -40°C to 80°C.
  • Waterproof ceramic material and a built-in moisture-proof rubber strip prevent damage in humid or submerged conditions.

III. Flexible Communication & IoT Integration
  • Supports 4-20mA for wired industrial control systems and LoRaWAN for wireless transmission, enabling seamless integration into existing IoT architectures.
  • Dual-mode connectivity ensures cross-region data synchronization, ideal for remote monitoring in mines, factories, or urban air quality networks.

IV. Wide Power Compatibility & Low Energy Consumption
  • Operates on DC 9–36V power supply, adapting to diverse industrial setups while maintaining an average power consumption of just 0.18W.

V. Robust EMC Compliance
  • Certified to withstand electrical surges (IEC 61000-4-5), EFT (IEC 61000-4-4), and ESD (IEC 61000-2), ensuring stable performance in electrically noisy environments.

Key Features

Fast Response: ≤30 seconds for real-time monitoring.
High Stability: ≤2% signal drift per month, minimizing calibration needs.
User-Friendly Design: RS485 parameter configuration software simplifies setup; color-coded cables (black/brown for power, blue/yellow for communication) streamline installation. 

Applications

  • Mining: Monitor underground NO2 levels to prevent worker exposure.
  • Chemical/Pharmaceutical Plants: Detect leaks in production lines or storage areas.
  • Fertilizer Manufacturing: Ensure compliance with environmental regulations.
  • Smart Cities: Integrate into urban air quality networks via LoRaWAN.

Characteristics
Mounting Type
Nut Mounting
Model Number
SW6-NO2-02
Measurement Range
0~2000ppm
Description
Industrial Nitrogen Dioxide Sensor

Type

Reed Switch

Series

SW6

Features

Sensor

Place of Origin
Guangdong, China
Brand Name

SWIOTT

Theory

Transmitter

Output

4-20mA

Measurement Range
1~2000ppm
Supply Voltage
12-24Vdc
Response Time
≤30s
Termination Style

Connector

Average Power
0.18W
Communication interface
4-20mA

Material

Ceramic

Size

120*120*50mm
Working principle
Gas Concentration Transmitter
Application scenario
Industrial Methane Sensor
Working Pressure
91~111kPa
Temperature Measurement Range
-40°C~80°C
Temperature Accuracy
±0.5°C

weight

30g

Operating voltage

12V


Future-Ready Industrial IoT Solution

The SW6-NO2-02 is more than a sensor—it’s a gateway to smarter, safer operations. Pair it with data loggers, gateways, or cloud platforms for centralized monitoring, predictive maintenance, and regulatory reporting.

Empower Your Operations with Precision and Reliability
Whether safeguarding workers in mines or ensuring compliance in chemical plants, the SW6-NO2-02 delivers unmatched performance. Contact us today to integrate this next-generation NO2 sensor into your industrial ecosystem!

SWIOTT Technology – Where Innovation Meets Industrial Resilience.


FAQ 


What industries commonly use the SW6-NO2-02 nitrogen dioxide sensor?
We provide the industrial nitrogen dioxide sensor to sectors like chemical plants, mining, pharmaceutical manufacturing, and fertilizer production. These industries require continuous NO2 monitoring for safety compliance and environmental regulation adherence, where our sensor’s high precision and durability prove essential.

Can you customize the communication interfaces on the SW6-NO2-02 gas transmitter?
Our NO2 gas transmitter supports RS485 Modbus RTU and 4-20mA outputs by default, enabling seamless integration with your control systems. For specific interface needs, please contact us directly; we work to accommodate customized communication requirements based on your industrial setup.

How is the SW6-NO2-02 installed and maintained in industrial environments?
The sensor uses nut mounting and color-coded wiring for user-friendly installation. Its IP65-rated waterproof ceramic housing ensures durability in harsh conditions. Maintenance is minimal due to robust design, but regular calibration and inspection ensure optimal operation of this NO2 leak detection sensor.

What shipping and support services do you offer for your industrial NO2 sensors?
We ship the industrial NO2 sensor globally with secure packaging to protect sensitive components. Our technical team offers post-supply support, including installation guidance and troubleshooting assistance, ensuring your sensor integrates smoothly into your existing systems and IoT platforms.

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