Ten types of gas sensors

SO2 gas Detector

An SO2 gas detector is a device designed to detect and monitor the presence of sulfur dioxide (SO2) gas in the air. SO2 is a colorless gas with a pungent odor that is produced from the combustion of fossil fuels, industrial processes, and volcanic activities.

gas Sensor Types

In order to measure different gases and different gas parameters, we have developed a variety of gas sensors. These gas sensors are inexpensive and easy to operate. Please select your best sensor.

Fixed SO2 gas Detector-Explosion-proof Sulfur dioxide gas Sensor

Explosion-proof methane Gas Alarm Sensor-Fixed CH4 Gas Detector

Fixed combustible gas detector-Explosion-proof gas sensor

Portable 4 in 1 Gas Detector

Freon Gas Sensor-Portable Freon Gas Detector Handheld

CO gas alarm carbon monoxide alarm home use

Electrochemical C2H4O gas sensor – Ethylene oxide gas sensor

H2 Sensor RS485 4G NB Lora Analog Combustible Gas Detector

gas sensor description

A gas detector is a device used to detect and monitor the presence of various gases in the surrounding environment. It is commonly used in industrial settings, laboratories, and residential areas to ensure safety and prevent potential hazards

SO2 gas Detector

Product parameters:
Measurement range: 0-20ppm/0-2000ppm
Measurement method: electrochemical probe
Response time: generally <15s
Baud rate: 2400/4800/9600
Communication port: RS485/ 4-20MA /0-5/10V
Power supply: bus power supply, 12-24V DC
Power consumption: < 1 w
Operating temperature: -20-50°C
Humidity: 15-90%RH (no condensation)
Explosion-proof grade: Exd II CT6

Freon Gas Sensor

Portable Freon gas sensor, detects combustible gas by natural diffusion, with high precision and repeatability. The shell of the portable Freon gas sensor is made of high-strength engineering plastic and anti-skid design. Easy to use and maintain, the Freon leak detector uses a Japanese Figaro gas sensor. It greatly meets the requirements of equipment accuracy and stability for industrial field safety testing.

Portable 4 in 1 Gas Detector

Our portable multi gas detector with a large LCD. It can monitor CO, H2S, O2 and combustible gas simultaneously. The instrument with audio/visual and vibratory indicators, rechargeable battery, and simple use. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers’ life and avoid damage on the relevant equipments.

Using a gas sensor typically involves the following steps:

Familiarize Yourself with the Sensor: Read the user manual or instructions provided with the gas sensor to understand its specific features, operation modes, and limitations. Make sure you are aware of the gases it detects and the concentration range it is designed for.

Preparing the Sensor: Ensure that the gas sensor is properly installed and connected to a power source if required. Some sensors may need calibration or initialization before use, so follow the manufacturer’s guidelines for any necessary setup procedures.

Proper Placement: Place the gas sensor in an appropriate location to ensure accurate gas detection. Consider factors such as the type of gas you want to detect, potential gas sources, and the airflow patterns in the area. For example, in a room, position the sensor at a height where gases are likely to accumulate.

Power On: Turn on the gas sensor by following the instructions provided. Depending on the model, this may involve simply pressing a power button or adjusting switches or settings.

Warm-Up Period: Give the sensor sufficient time to stabilize and warm up. Gas sensors often require a warm-up period to reach optimal operating conditions. This duration can vary, so consult the user manual for the specific warm-up time required for your sensor.

Calibration (if applicable): Some gas sensors require periodic calibration to ensure accurate readings. Calibration involves exposing the sensor to a known reference gas concentration to establish a baseline reading. If calibration is necessary, follow the manufacturer’s instructions and use appropriate calibration equipment.

Monitoring Gas Levels: Once the sensor is powered on and calibrated (if applicable), it will start continuously monitoring the air for the target gas. The sensor will provide real-time data on gas concentrations through visual indicators, alarms, or digital display screens, depending on the sensor type and design.

Responding to Alarms or Readings: If the gas sensor detects a gas concentration above the pre-set threshold or triggers an alarm, it is crucial to respond promptly. Follow your organization’s safety procedures, which may involve evacuating the area, ventilating the space, shutting off gas sources, or seeking professional assistance.

Maintenance and Periodic Testing: Regularly inspect and clean the gas sensor to ensure proper functioning. Some sensors may require periodic testing or maintenance as per the manufacturer’s recommendations. Perform any required maintenance tasks to keep the sensor in good working condition.

Always refer to the specific instructions provided by the manufacturer for the gas sensor you are using, as different sensors may have unique features and requirements. Adhering to proper usage guidelines will help ensure accurate and reliable gas detection.

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