1、 Introduction to Nitrogen Dioxide Concentration Sensor Module

The BYG511-NO2-G series nitrogen dioxide sensor adopts a high-resolution and accurate four electrode electrochemical gas sensor, with output signals such as TTL and IIC. It is designed for integrator application users and can be freely integrated. It is widely used in various monitoring and monitoring solutions. It has an intrinsic safety design, can be hot swappable with electricity, simplified peripheral circuits, personalized data calibration and calibration programs, and can freely switch sensor probes (of the same model, so that the sensor life can be freely replaced when it reaches its limit). It also supports oxygen cells, 2pin electrodes and similar packaging, and is perfectly compatible with standard inner diameter explosion-proof detection heads. It is suitable for rapid prototyping monitoring solutions and environmental gas monitoring systems.

2、 Application fields of nitrogen dioxide concentration sensor module

This product is widely used in scientific research institutions, portable/handheld detectors, fixed gas transmitters, atmospheric environment detectors, industrial toxic and harmful gas transmitters, etc.

3、 Characteristics of nitrogen dioxide concentration sensor module

1. Electrochemical detection method, no preheating required, reliable and stable;

2. Wide temperature range for use:- 20~45℃；

3. Service life of 2-3 years or more;

4. 3.3 or 5VDC power supply; IIC output, TTL serial port output, slave mode;

5. The price is cheap and suitable for large-scale use.

4、 Technical parameters of nitrogen dioxide concentration sensor module

Technical Parameter	BYG511-NO2-G series
Detect gas	nitrogen dioxide
Detection Principle	Principle of Electrochemical Detection
measuring range	0-1000ppb
resolution	1ppb
accuracy	≤±5%F.S
Sensor lifespan	Electrochemical 2-3 years
Warm-up time	<3 minutes
sampling interval	3S
Response time (T90)	＜40S
Nonlinear	±2%
repeatability	±1%
Supply Voltage	DC 5V
signal output	TTL、IIC
work environment	-20～50℃； 0-95% RH (no condensation)
Environment	-40～60℃； 0-100% RH (no condensation)
Weight/Size	32mm (length) x 24.5mm (width) x 17.5mm (height)
notes

6、 Definition of pins for nitrogen dioxide concentration sensor module