1、 Introduction to Industrial Waste Gas Explosion proof TVOC Detector VOCS Online Monitoring System

The BYG490-TVOC fixed organic volatile gas online detector continuously detects TVOC gas in industrial sites and provides sound and light alarms. It not only controls gas concentration in special occasions, but also has a warning effect on gas leaks in dangerous sites, timely protecting the safety of life and property in various situations. Instruments are widely used in industries such as petroleum, chemical, metallurgy, fire protection, coal mining, electricity, ships, environmental protection, telecommunications, and medical care. BYG490-TVOC-G organic volatile gas detector adopts imported PID photoionization principle sensor combined with high-speed and high-precision processing circuit, which has the advantages of stable signal, high accuracy, and good repeatability. It also adopts explosion-proof design and is suitable for various hazardous occasions. The instrument outputs various standard signals and is compatible with various alarm systems, PLC, DCS and other control systems.

2、 Industrial waste gas explosion-proof TVOC detector VOCS online monitoring system main purpose

1. Industrial emissions of organic volatile waste gases;

2. Quantitative and qualitative analysis of total hydrocarbons (THC), non methane total hydrocarbons (NMHX), benzene, alkanes, alkenes, and cyclic aromatic hydrocarbons in the discharge pipeline;

3. Complex toxic and harmful organic compounds in industrial or chemical areas;

4. VOCS online monitoring of pollution sources;

5. Online monitoring of odorous organic sulfides;

6. Online monitoring of multiple unorganized emissions in the factory boundary.

3、 Characteristics of Industrial Waste Gas Explosion proof TVOC Detector VOCS Online Monitoring System

1. Original imported high-performance British PID sensor, with good stability and repeatability, and long service life;

2. Using high-speed and high-precision processing circuits to process sensor signals, with fast response speed, high measurement accuracy, good stability and repeatability;

3. The independent design of the gas chamber, combined with aerodynamics, enables faster and more accurate detection of target gases;

4. Full range temperature digital automatic tracking compensation ensures measurement accuracy;

5 RS485modbus、 Multiple signal transmission methods such as wireless GPRS, Bluetooth, fiber optic, NB-IOT, LoRa, etc. are available for selection;

6. Design of intrinsically safe circuits and explosion-proof enclosures, ensuring safe, convenient, and fast on-site maintenance;

7. Optional sound and light alarm.

4、 Technical parameters of VOCS online monitoring system for industrial waste gas explosion-proof TVOC detector

Technical Parameter	BYG490-TVOC-G
Detect gas	TVOC (Organic Volatile Compounds)
Detection Principle	PID principle
measuring range	0-1ppm，0-10ppm，0-20ppm，0-1000ppm，0-5000ppm，0-10000ppm
resolution	0.001ppm，0.01ppm，0-1ppm
accuracy	≤±5%F.S
Sensor lifespan	More than 3 years (with a lifespan of 1 year for the light tube)
Warm-up time	<3 minutes
sampling interval	3S
Response time (T90)	＜60S
Nonlinear	±1%
repeatability	±2%
Supply Voltage	220V
signal output	RS485 Modbus RTU (wireless network transmission methods such as GPRS, RF, WIFI can be customized according to customer needs)
Alarm method	Sound and light alarm (optional)
Installation method	Wall mounted installation with built-in suction pump
Shell material	Die cast aluminum explosion-proof shell
Explosion proof grade	ExdII CT6
protection grade	IP66
work environment	-20～50℃； 0-95% RH (no condensation)
Environment	-40～60℃； 0-100% RH (no condensation)
Weight/Size	20kg/ 500×600×250mm

5、 Industrial waste gas explosion-proof TVOC detector VOCS online monitoring system related parameters

6、 Precautions for Industrial Waste Gas Explosion proof TVOC Detector

1. It is strictly prohibited to perform live lid opening operations on site

2. It is strictly prohibited to replace sensors with electricity

3. Installation, debugging, setup, and other operations must be carried out by professionals

4. The calibration check of the transmitter should be conducted regularly

5. Sensors that have exceeded their expiration date or have malfunctions should be replaced promptly

6. Avoid using gas shock sensors that exceed the measurement range