OVERVIEW OF C8H10 AND THE C8H10 (XYLENE) GAS SENSOR

Xylene, with the chemical formula C8H10, is commonly found in industrial solvent products. It is a colorless liquid with a distinctive sweet odor, and its odor threshold is quite low, around 1 ppm, meaning people can typically detect the smell before the concentration reaches a hazardous level.

Xylene is flammable at room temperature, and its vapor is heavier than air, so it tends to accumulate in low lying areas or enclosed spaces with poor ventilation, increasing the risk of fire and explosion. In terms of health effects, exposure to high xylene concentrations causes irritation of the eyes, skin, and respiratory tract, and affects the central nervous system, with symptoms such as headache, dizziness, loss of coordination, and drowsiness. In cases of severe exposure, it can lead to cardiac arrhythmia.

Because it carries both a fire and explosion hazard and an occupational health hazard, C8H10 gas sensors are installed at facilities that produce, store, or use xylene to detect leaks early, helping businesses proactively manage risk before an incident occurs. A xylene gas sensor operates continuously, measuring the gas concentration in the air in real time and issuing an alarm signal whenever the reading exceeds the configured safety threshold.

HOW THE C8H10 (XYLENE) GAS SENSOR WORKS

In explosion proof industrial xylene detectors, catalytic sensor technology, also known as a pellistor, is the most commonly used operating principle. The sensor consists of two elements heated to a stable operating temperature, one coated with a catalyst sensitive to combustible gas and the other serving as a reference element that does not react with the gas.

When xylene gas contacts the catalytic element, an oxidation reaction occurs and generates heat, which changes the electrical resistance of that element relative to the reference element. The resistance difference between the two elements is captured by the electronic circuit and converted into a gas concentration reading, expressed as a percentage of the lower explosive limit, commonly abbreviated as LEL. When the measured concentration exceeds the configured alarm threshold, the sensor sends a signal through a 4 to 20mA output or the RS 485 communication standard to the central control system, triggering a horn and strobe or interlocking with the ventilation system.

The advantage of the catalytic sensing principle lies in its high durability, its ability to operate reliably in harsh industrial environments, and its ability to achieve ATEX explosion proof certification, making it suitable for installation in hazardous area classifications such as Zone 1 or Zone 2.

BASIC CONSTRUCTION OF THE C8H10 (XYLENE) GAS SENSOR

An industrial xylene gas sensor typically consists of the following main components.

• A paired catalytic sensing element, made up of a measuring element and a reference element, responsible for converting the chemical reaction into an electrical signal
• A protective mesh and flame arrestor membrane, which prevents dust and moisture from entering the sensing element while also preventing flame propagation to the surrounding environment in the event of an incident
• A signal processing circuit that amplifies and converts the resistance signal into a standard industrial output such as 4 to 20mA or RS 485
• A single piece cast aluminum protective housing, ATEX explosion proof certified, built to withstand impact and harsh industrial conditions
• Power and signal output connection ports, typically using a 24VDC supply for compatibility with central control and gas alarm systems

APPLICATIONS OF THE C8H10 (XYLENE) GAS SENSOR

Xylene is widely used as a solvent across many industries, which drives the need to install xylene gas sensors in the following areas.

• Paint, coating, printing ink, and rubber manufacturing plants
• Petrochemical refineries and facilities that extract or distill xylene from crude oil
• Chemical and industrial solvent storage warehouses
• Laboratories, research facilities, and plastic or adhesive manufacturing workshops
• Storage tank areas, pump stations, and solvent transfer piping at chemical plants
• Ventilation systems for paint shops and printing areas connected to building automation systems

Installing the right xylene gas sensor not only helps businesses comply with occupational safety regulations but also gives M&E contractors a solid basis for designing central gas alarm systems that meet the required standards for industrial facilities.

PROSENSE C8H10 (XYLENE) GAS SENSORS TRUSTED WORLDWIDE

Prosense is an industrial gas detection equipment brand from Turkey, recognized for its ATEX certified explosion proof gas sensor lines suitable for installation in hazardous area classifications such as Zone 1 and Zone 2 under international standards.

Prosense C8H10 gas sensor lines are designed with the following notable advantages.

• Capable of detecting C8H10 across the concentration range specified for each model, meeting different monitoring requirements depending on the application
• Fast response time, allowing alarm and safety interlock systems to be triggered promptly, minimizing exposure risk
• Rugged construction with good corrosion resistance, suitable for high humidity environments and frequent contact with disinfecting chemicals
• Industry standard signal outputs such as 4 to 20mA, relay, and RS485/Modbus, allowing easy integration with control panels, PLCs, or existing SCADA systems
• Easy to maintain and calibrate periodically, helping businesses reduce long term operating costs

TECHNICAL SPECIFICATIONS OF THE PQD-5935-R XYLENE GAS SENSOR

• Gas type: XYLENE
• Measuring range: 0 to 100% LEL
• Output: 4 to 20mA / RS 485 / Relay
• Local display: OLED
• Power supply: 24VDC
• 2 relay contacts
• Explosion proof rating: ATEX II 2G Ex db IIC T5/T4 Gb
• Classification: Zone 1 or Zone 2
• Housing material: single piece cast aluminum
• Origin: PROSENSE / Turkey
• Warranty: 12 months, one for one replacement

TECHNICAL SPECIFICATIONS OF THE P-5935-R XYLENE GAS SENSOR

• Gas type: XYLENE
• Sensor type: Pellistor
• Measuring range: 0 to 100% LEL
• Output: 4 to 20mA / RS 485
• Power supply: 24VDC
• Explosion proof rating: ATEX II 2G Ex db IIC T5/T4 Gb
• Classification: Zone 1 or Zone 2
• Housing material: single piece cast aluminum
• Origin: PROSENSE / Turkey
• Warranty: 12 months, one for one replacement

BUY GENUINE XYLENE GAS DETECTORS AT SENSORS VIETNAM

Sensors Vietnam is a provider of advanced measurement, sensing and automation solutions, including xylene gas detectors. We offer a diverse portfolio of genuine products from leading global manufacturers, fully capable of meeting the full range of customer application needs.

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• 100% genuine products from leading global brands
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• Highly competitive market pricing
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For detailed information or to order a xylene gas detector, please contact Sensors Vietnam directly for prompt and dedicated support.