Nitrogen Dioxide (NO2) Gas Sensors
Description
Nitrogen Dioxide (NO2) gas sensors are devices designed to detect and measure the concentration of NO2 gas in the environment. These sensors provide real-time monitoring and are capable of identifying even low levels of NO2, which is crucial for maintaining air quality and ensuring safety in various settings.
Working Principle
NO2 gas sensors operate by utilizing a sensing layer that interacts with NO2 molecules. For instance, one type of sensor uses a laser-deposited carbon aerogel (LDCA) layer that is sensitive to NO2. When NO2 molecules come into contact with this layer, they alter the electronic properties of the sensor, which is then translated into a measurable signal. Another approach involves the use of an IGZO film, where NO2 molecules adhere to the film's surface, affecting the electronic output and triggering a detection notification. These sensors are useful because they can detect NO2 at very low concentrations, such as below 20 parts-per-billion, which is essential for compliance with environmental regulations and for protecting public health .
Applications
NO2 gas sensors are used in a variety of applications. They are crucial in air quality monitoring systems deployed in urban areas to ensure compliance with environmental standards. These sensors are also used in industrial settings to monitor emissions and ensure worker safety. Additionally, they can be integrated into wearable devices for personal exposure monitoring, providing real-time data on NO2 levels in the immediate environment .
Advantages over other Gas Sensors
One of the key advantages of NO2 gas sensors, particularly those using LDCA, is their high selectivity towards NO2 over other common air pollutants. This selectivity ensures accurate readings even in environments with multiple types of gases present. Furthermore, these sensors can operate effectively at room temperature and under humid conditions, making them versatile for various environmental conditions .
Limitations
Despite their advantages, NO2 gas sensors have limitations. The sensitivity and selectivity of the sensors can be affected by environmental factors such as temperature and humidity. Additionally, the sensors may require regular calibration to maintain accuracy over time. The need for periodic maintenance and potential interference from other gases can also pose challenges in certain applications .
Considerations
When considering the implementation of NO2 gas sensors, several factors should be taken into account. Initial costs can vary depending on the technology and the specific application requirements. Operating expenses may include energy consumption and the need for regular calibration and maintenance to ensure accuracy and reliability. Durability is another important consideration, as sensors must withstand environmental conditions without significant degradation in performance. Replacement and maintenance costs should also be factored into the overall cost of ownership, as these can impact the long-term feasibility of using NO2 gas sensors in a given application .
from Electro Optical Components, Inc.
SemeaTech, a world leader in sensing technologies, offers a full line of electrochemical sensors for detecting hazardous materials and gases for work safety and environmental protection. SemeaTech has built a wide network of industry experts and technologists to provide the company with guidance for... [See More]
- Gas Types: NO2 (0-20 ppm)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from CO2Meter.com
The Fixed Nitrogen Dioxide NO2 Gas Detector is designed to protect individuals near toxic and combustible gases, refrigerants, or oxygen in commercial and industrial applications. This fixed gas safety monitor measures NO2 levels between 0-20ppm and detects hazards in order to protect facilities... [See More]
- Gas Types: NO2 (0-20ppm)
- Measurement Type: Trace
- Number of Gases Monitored: Single
- Operating Temperature: -13 to 140
from Acme Engineering Products
The Acme MGMS is our latest multipoint, multigas detection system designed with modular construction and remote connectivity in mind. A DIN-rail mountable system consisting of a CM (Controller Module), RM (Relay Module), and AM (Analog Module) snap together for ease of installation, expandability,... [See More]
- Gas Types: Toxic; Combustible; NH3; CO2; CO; Refrigerants; Hydrocarbons; H2; H2S; Methane (CH4) / Natural Gas; NO2; O2
- Number of Gases Monitored: Multi
- Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature)
- Electrical Outputs: Switch or Relay
from ABB Measurement & Analytics
Continuous Emission Monitoring Solution. World leader in stack gas monitoring systems for more than 40 years and pioneer in FTIR technology, ABB Analytical is offering an inexpensive and forward-looking system with the ACF-NT (former Advance Cemas FTIR) multi-component emission and process... [See More]
- Gas Types: NH3 (0-20/27 ppm); CO2 (0-30 Vol%); CO (0-60 ppm); HCl (0-10 ppm); Methane (CH4) / Natural Gas (0-150 ppm); NO (0-150 ppm); NO2 (0-20 ppm); NxOx (0-25 ppm); SO2 (0-25 ppm); Water Vapor (0-40 Vol%)
- Number of Gases Monitored: Multi
- Sensor Technology: FTIR
- Measurement Type: %Volume; Trace; Density
from Safeguard Analytics
Model SA2-NO2 smart sensor modules are designed to detect and monitor nitrogen dioxide gas in ambient air. The modules consist of an electrochemical gas detection sensor and a micro-processor-based signal conditioning circuit. The signal conditioning circuits includes embedded temperature... [See More]
- Gas Types: Toxic; NO2 (0-1.00 ppm to 0-500 ppm)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from CO2Meter.com
The Nitrogen Dioxide (NO2) Fixed Gas Detector w/ Remote Sensor (MSC2 + MC2-0-E1130-B-0-P) is designed to protect individuals near toxic gases like nitrogen dioxide in commercial and industrial applications. This fixed gas safety monitor measures 0-20ppm NO2 levels and detects hazards in order to... [See More]
- Gas Types: NO2 (0-20ppm)
- Measurement Type: Trace
- Number of Gases Monitored: Single
- Operating Temperature: -13 to 140
from Acme Engineering Products
The Acme GasPost II toxic gas sensor/transmitter measures CO and NO2 gas concentrations in enclosed areas and transmit its readings to a CEL-series monitor/controller over an addressable RS-485 “Daisy-Chain ” sensor network. The GasPost II has an easy 4-wire field connection: a pair of... [See More]
- Gas Types: Toxic; Combustible; CO (0-200 PPM); NO2 (0-10 PPM)
- Number of Gases Monitored: Multi
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from CO2Meter.com
The Nitrogen Dioxide NO2 Combustible Fixed Gas Detector (PX2-1-2-E1130-E-01) is designed for continuous monitoring of nitrogen dioxide gases to prevent leaks in the range of 0 to 100ppm for 24 hours in confined spaces or industrial manufacturing industries. This detector is also compatible with a... [See More]
- Gas Types: Combustible; NO2 (Combustible Fixed Gas Detectors - Nitrogen Dioxide NO2 Combustible Fixed Gas Detector (0-100ppm))
- Operating Temperature: -30 to 122
- Number of Gases Monitored: Single
- Operating Humidity: 15 to 90
from Acme Engineering Products
The Acme GasPost toxic gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. . The 4-20mA transmitter is designed for standard 2-wire loop-powered operation where the output is supplied via the same pair of... [See More]
- Gas Types: Toxic; Combustible; NH3 (0-100 PPM); CO (0-200 PPM); Cl2 (0-5 PPM); H2 (0-1000 PPM); H2S (0-200 PPM); NO2 (0-10 PPM); O2 (0-25 %); SO2 (0-10 PPM)
- Number of Gases Monitored: Multi
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from Global Detection Systems Corp.
The GDS-49 is a two-wire loop-powered 4-20mA sensor transmitter designed to detect a wide range of toxic gases at ppm levels. The current loop output is compatible with the C1 Protector, C2 Protector, C2 Quad Protector or C64 Protector Controllers, the GASMAX II or GASMAX CX gas monitors or any... [See More]
- Gas Types: Toxic; Combustible; NH3 (0-100 ppm); AsH3 (0-1 ppm); CO (0-300/1000 ppm); Cl2 (0-5/50 ppm); ClO2 (0-1 ppm); F (0-1 ppm); H2 (0-2000 ppm); HCl (0-30 ppm); HCN (0-50 ppm); HF (0-10 ppm); H2S (0-50/100 ppm); NO (0-100/500 ppm); NO2 (0-5/50 ppm); O2 (0-25%); O3 (0-1 ppm); SiH4 (0-50 ppm); SO2 (0-20/100 ppm) (COCI2 0-1ppm N2H4 0-1ppm TBM 0-14ppm)
- Number of Gases Monitored: Multi
- Sensor Technology: Electrochemical
- Measurement Type: %LEL or %LFL (optional feature); Trace (optional feature)
from RainWise, Inc.
Rainwise offers customized turnkey weather monitoring solution. [See More]
- Gas Types: Toxic (optional feature); Combustible (optional feature); NH3 (Contact Factory); AsH3 (Contact Factory); Br2 (Contact Factory); CO (Contact Factory); Cl2 (Contact Factory); ClO2 (Contact Factory); B2H6 (Contact Factory); F (Contact Factory); GeH4 (Contact Factory); H2 (Contact Factory); HCl (Contact Factory); HCN (Contact Factory); HF (Contact Factory); H2Se (Contact Factory); H2S (Contact Factory); NO (Contact Factory); NO2 (Contact Factory); O2 (Contact Factory); O3 (Contact Factory); PH3 (Contact Factory); SiH4 (Contact Factory); SO2 (Contact Factory)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical
- Measurement Type: %LEL or %LFL; Trace
from Emerson Automation Solutions – Rosemount
This multi-component QCL represents the next generation of gas analyzers and sensors, with the ability to measure up to 20 gases and an interchangeable modular configuration for up to 9 lasers. An embedded ARM processor gives fully autonomous intelligent operation. Key Features/Benefits: Measure up... [See More]
- Gas Types: Combustible; NH3 (0-4000 ppm); CO2 (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); HCl (0-2000 ppm); HF (0-50 ppm); H2S (0-50000 ppm); Methane (CH4) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO2 (0-2000 ppm); NxOx (0-10000 ppm); O2 (0-100%); SO2 (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
- Number of Gases Monitored: Multi
- Sensor Technology: Infrared
- Measurement Type: %Volume; Trace
from Sensidyne, LP
Detector tubes provide fast, economical monitoring for a wide variety of target gases and vapors. Their direct reading capability provides on-the-spot results eliminating laboratory turnaround time. The tubes are typically calibrated in one of three commonly used units of concentration. [See More]
- Gas Types: Toxic; Combustible; NO2 (20-1000 ppm)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical; Gas Chromatography
- Measurement Type: Trace
from Honeywell Analytics, Inc.
The Sensepoint XCD transmitter provides comprehensive monitoring of combustible, toxic and Oxygen gas hazards in potentially explosive atmospheres, indoors and outdoors —and is marked by installation ease and flexibility, user-friendly operation and cost-effective gas monitoring. Sensepoint... [See More]
- Gas Types: Toxic; Combustible; NH3 (0-50PPM); CO (0-200 PPM / 0-500 PPM); Cl2 (0-5 PPM / 0-15 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); H2S (0-50 PPM / 0-100 PPM / 0-20 PPM); NO2 (0-10 PPM); O2 (0-25% VOL); SO2 (0-15 PPM / 0-50 PPM)
- Number of Gases Monitored: Single
- Sensor Technology: Catalytic; Electrochemical
- Measurement Type: %LEL or %LFL; %Volume; Trace
from Linde North America, Inc.
G-TECTA ™ SG is a fully functional premium single gas instrument, water and dust resistant, with one button operation and a choice of 28 sensors to suit almost every application. The lightweight and robust design combined with full download and data logging capability offers the ideal single... [See More]
- Gas Types: Toxic; Combustible; NH3; CO2; CO; Cl2; ClO2; Hydrocarbons; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O3; PH3; SO2
- Measurement Type: %LEL or %LFL
- Number of Gases Monitored: Single
- Operating Temperature: -4 to 149
from Delphian Corporation
The CommonSensor allows the user control over the cost of sensor use. By having the ability to replace sensor elements and flame arrestors, instead of the whole sensor, the user can keep the system operational with less expenditure for spares and labor. [See More]
- Gas Types: NO2 (0-10ppm)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from Terra Universal, Inc.
Complete, easy-to-use sampling and analysis system. Detects and measures hazardous gases and vapors. Certified by the Safety Equipment Institute (SEI). Ideal for monitoring performance of Terra Exhaust Purification Filters. The most cost effective solution to air sampling and analysis. This Toxic... [See More]
- Gas Types: Toxic; NO2 (20 to 1000 PPM)
- Number of Gases Monitored: Single
- Sensor Technology: Colorimetric Stain
- Measurement Type: Trace
from FIS Inc.
The SP-53A is a tin dioxide semiconductor gas sensor which has a good sensitivity to high concentration ranges of ammonia with improved response speed compared with conventional models. [See More]
- Gas Types: Combustible; NH3 (1-2000ppm); CO (1-200ppm); Hydrocarbons (10-200ppm); H2 (1-100ppm); Methane (CH4) / Natural Gas (1-200ppm); NO2 (0-10ppm) (Ethanol, Nitrogen Monoxide)
- Number of Gases Monitored: Multi
- Sensor Technology: Semiconductor
- Measurement Type: Trace
from Conspec Controls Inc.
CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2259/60 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to eight channels of remote monitoring... [See More]
- Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
- Number of Gases Monitored: Multi
- Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
- Measurement Type: %LEL or %LFL; %Volume; Trace
from Emerson Automation Solutions – Rosemount
This hybrid system is the most cost effective solution to meet the measurement needs in marine applications. Key Features/Benefits: Measure up to 10 gases simultaneously. Ambient environments of up to 70 °C (158 °F) and gas temperatures of 190 °C (374 °F). Single and dual path... [See More]
- Gas Types: Combustible; NH3 (0-4000 ppm); CO2 (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); Methane (CH4) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO2 (0-2000 ppm); NxOx (0-10000 ppm); SO2 (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
- Number of Gases Monitored: Multi
- Sensor Technology: Infrared
- Measurement Type: %Volume; Trace
from Sensidyne, LP
Nitrogen Dioxide, 0-10 ppm [See More]
- Gas Types: Toxic; NO2 (0-10ppm)
- Number of Gases Monitored: Single
- Sensor Technology: Electrochemical
- Measurement Type: Trace
from Honeywell Analytics, Inc.
Highest performance fixed flammable and toxic gas detector with a choice of communication outputs, accessories and installation flexibility. Apex takes the best elements of gas detection design and combining them into one unit. Apex provides the highest performance, installation flexibility, a wide... [See More]
- Gas Types: Toxic; Combustible; NH3 (0-50 PPM / 0-1000 PPM); AsH3 (0-0.2 PPM); Br2 (0-0.4 PPM); CO (0-100 PPM / 0-500 PPM); Cl2 (0-2 PPM / 0-15 PPM); ClO2 (0-0.4 PPM); B2H6 (0-0.4 PPM); F (0-4 PPM); GeH4 (0-0.8 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); HCl (0-20 PPM); HCN (0-20 PPM); HF (0-12 PPM); H2S (0-15 PPM / 0-100 PPM); NO (0-100 PPM); NO2 (0-12 PPM); O2 (0-21 % v/v); O3 (0-4 PPM); PH3 (0-1.2 PPM); SiH4 (0-20 PPM); SO2 (0-8 PPM / 0-50 PPM) (Many other toxic gases- see datasheet)
- Number of Gases Monitored: Multi
- Sensor Technology: Catalytic; Electrochemical
- Measurement Type: %LEL or %LFL; %Volume; Trace
from Linde North America, Inc.
G-TECTA ™ 4GP is an extremely robust 4 gas instrument with built in pump and charger. The single button operation and full data management allows the users to effectively manage their gas detection requirements with confidence. G-TECTA 4GP has infrared communication, full functional capability... [See More]
- Gas Types: Toxic; Combustible; NH3; CO; Cl2; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O2; O3; PH3; SO2
- Measurement Type: %LEL or %LFL
- Number of Gases Monitored: Multi
- Operating Temperature: -4 to 131
from Conspec Controls Inc.
CONSPEC's Single Channel Controllers are single point monitoring and control processors, which are housed in a NEMA 4-4X weatherproof non-metallic enclosure and are designed to monitor and display any voltage or current input signal from any instrument, including CONSPEC's EZ-CAL Toxic and... [See More]
- Gas Types: Toxic; Combustible; Aerosols; NH3 (0-50, 100, 200, 500ppm); AsH3; Br2 (0-10ppm); CO2 (0-2000ppm, 10000ppm 0-2%, 0-5%, 0-100%); CO (0-50, 100, 200, 500, 1000, 10000, 50000); Cl2 (0-10, 20ppm); ClO2 (0-5 ppm); B2H6; F; GeH4; Refrigerants; Hydrocarbons (0-100% LEL or 0-100% Vol.); H2 (0-2000, 10,000ppm 0-4%); HCl (0-25, 100, 150ppm); HCN; HF; H2Se; H2S (0-25, 50, 100, 200ppm); NO (0-50, 100ppm); NO2 (0-20ppm); O2 (0-25, 100%); O3 (0-2, 5ppm); PH3; SiH4; SO2 (0-10, 100, 1000, 2000ppm); SF6
- Number of Gases Monitored: Single
- Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
- Measurement Type: %LEL or %LFL; %Volume; Trace
from Honeywell Analytics, Inc.
Remotely monitor toxic gases in Class 1, Div 2 areas while reducing the maintenance, training and overall cost of gas monitoring. Sensepoint XCD RTD from Honeywell Analytics makes it easy on your maintenance team, time and budget when faced with the challenge of monitoring toxic gases in Class I,... [See More]
- Gas Types: Toxic; NH3 (0-50 PPM); CO (0-200 PPM); Cl2 (0-5 PPM); H2S (0-50 PPM); NO (0-100 PPM); NO2 (0-10 PPM); O2 (0-25%); SO2 (0-15 PPM)
- Measurement Type: %Volume; Trace
- Number of Gases Monitored: Multi
- Electrical Outputs: Voltage; Current
from Conspec Controls Inc.
CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2260 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to sixteen channels of remote monitoring and... [See More]
- Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
- Number of Gases Monitored: Multi
- Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
- Measurement Type: %LEL or %LFL; %Volume; Trace