Environmental monitoring and control devices

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Environmental monitoring and control devices | Automation System & Control | Industrial Equipment Supplier - Aecl

Based in Taiwan, Autotronic Enterprise Co., Ltd. is an industrial equipment supplier of automation system controllers and signal converters since 1976.

As an industrial equipment supplier of automation environmental sensing, liquid measurement and analysis, Aecl provides total automation system control solutions particularly for air quality and temperature & humidity automation control fields. Flow control devices such as paddlewheels, magnetic and turbines, environment measurement equipment such as temperature & humidity transmitters, heat (BTU) meters & calculators and ultrasonic flowmeters, and GF valves and GF signet as a distributor in Taiwan.

Aecl has been offering customers high-quality and reliable automation system controllers, signal converter manufacturing and control systems, analyzers and automation solutions with professionalism. Both with advanced technology and 40 years of experience, Aecl ensures each customer's demands are met.

Environmental monitoring and control devices

Indoor air quality devices

Devices for environmental monitoring and control
Devices for environmental monitoring and control

Aecl develops transmitters (sensors), controller and display board for indoor air quality and environmental measurement includes temperature, humidity, CO, CO2, PM2.5, PM10, TVOC, HCHO, illuminance and different pressure with optional analog or digital RS485 Modbus RTU signal output for data analysis or control.

To ensure the sensor’s long term stability and accuracy, we use advanced sensing elements with high environmental resolution and employ a strict quality control of the devices. We hope to provide reliable instruments to the system integrators or individual who are developing the ventilation, air-conditioning, BMS, or energy saving system to make the indoor environment more comfortable, increase the energy efficiency and reduce carbon emission.

The devices listed below are designed for environmental monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.

  • Temperature / humidity / dew point transmitter and switch - Temperature / RH / dew point sensor and controller
    Temperature / humidity / dew point transmitter and switch
    Temperature / RH / dew point sensor and controller

    Below transmitters (sensors) and controller are designed for temperature, relative humidity(RH) and dew point monitoring as well as demand ventilation control in normal or high humidity environment. The temperature and humidity devices are used in HVAC System, ventilation system, cooling system and agricultural automation system.The devices listed below are designed for temperature and humidity monitoring and control. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Multi IAQ monitor and transmitter - Multi IAQ sensor and display
    Multi IAQ monitor and transmitter
    Sensor and display for multiple indoor air quality measurement

    Below sensor and display are designed to simultaneously measure the critical air quality indexes include CO2, PM2.5, Temperature, humidity and PM10, and send the control signal to the ventilation system to adjust the indoor air quality. The multifunctional devices would be a nice solution for system integrators who plan to measures multiple environmental indexes. Besides, we also provide OEM services to make the multiple gas sensor based on customer’s requirements.The devices listed below are designed for multiple air quality monitoring and control. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Transmitters for CO2 measurement - CO2 sensors for normal and high humidity environment
    Transmitters for CO2 measurement
    Carbon Dioxide sensors

    Below transmitters (sensors) are designed for CO2 measurement. In addition to the application in normal environment, we specially designed the CO2 transmitter for high humidity environment. The CO2 sensors are widely used in HVAC system, BMS system and agricultural automation system. The CO2 transmitter is equipped with optional analog output and digital RS485 Modbus RTU output, as well as one relay for ventilation and alarm control.The devices listed below are designed for CO2 monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • CO transmitter - CO sensor
    CO transmitter
    Carbon Monoxide sensor

    Below CO transmitter (sensor) measures CO concentration and is equipped with switchable DC 4-20mA and DC 0-10V as well as the RS485 interface with Modbus RTU protocol. The CO transmitter is widely used in the building automation system or the security system to adjust the air quality and alarm to remind the leakage of the CO gas.The device listed below are designed for CO monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Particulate matter sensors - PM2.5 and PM10 transmitter
    Particulate matter sensors
    Particulate matter transmitters

    Aecl develops transmitters for reliable PM2.5 and PM10 measurement. Using the advanced laser scattering technology, the transmitters could accurately detect the particle size ranges from 1μm to 10μm. The PM2.5 and PM10 transmitters are widely used in air-conditioning system, ventilation system and BMS system to monitor the particulate matter in the ambient air and enable the users to adjust the indoor air quality in a more efficient way. The device listed below are designed for particulate matter monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Transmitters for HCHO and TVOC measurements - TVOC or HCHO transmitter
    Transmitters for HCHO and TVOC measurements
    HCHO and TVOC sensors

    Formaldehyde (HCHO) and total volatile organic compounds (TVOC) are certainly the most common and dangerous substance groups with regard to indoor air exposure. Particularly in modern society, when people spent long period of time indoor, exposures under the polluted air would cause impact to human health. Hence, Aecl develops the air quality transmitter for measuring the HCHO and TVOC concentration. The transmitters sent the real time data to the monitoring system through digital RS485 Modbus RTU as the reference for the setting point of ventilation system.The device listed below are designed for HCHO and TVOC monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Oxygen transmitter - wall mount oxygen transmitter
    Oxygen transmitter
    Oxygen sensor

    Lack of oxygen will cause symptoms of hypoxemia which might be fatal to human body. Aecl oxygen transmitter provides none stop monitoring of the O2 concentration to prevent the dramatically decrease of the O2. Equipped with industrial standard RS485 Modbus RTU signal, the oxygen transmitter is widely used in the BMS system, ventilation system and agricultural automation system.The device listed below is designed for oxygen monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Differential pressure transmitter - wall mount differential pressure transmitter
    Differential pressure transmitter
    differential pressure transmitter for negative isolation room

    The differential pressure transmitter is able to measure pressures and calculate the pressure deviation. The data of the pressure variation is usually used as the indication for the air flow direction in the negative isolation room or smoking room. Aecl develops the differential pressure transmitter for three different pressure ranges which is flexible for the application. Meanwhile, its RS485 interface with industrial standard Modbus RTU protocol is compatible with most devices and appropriate for the air-conditioning and BMS system.The device listed below is designed for pressure measurement and calculation. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.


  • Illuminance transmitter - wall mount lux transmitter
    Illuminance transmitter
    Lux transmitter

    Aecl develops wall mount lux transmitter for measuring the brightness and light intensity. The RS485 interface with Modbus RTU protocol makes the transmitter suitable for automation and control system. Ideal applications in monitoring lighting conditions at workplaces, in greenhouses, storage halls, workshops and corridors, in outdoor areas, in industrial halls, in offices, in residential and business facilities. It collects brightness data for the reference of light devices control, for example, luminaries, lighting systems, venetian blinds and canvas blinds, sunshade equipment and etc. to avoid the unnecessary energy consumption.The device listed below is designed for indoor light monitoring. Please feel free to contact us. It would be our pleasure to answer your questions about our products, services, and turnkey projects.