ELT SENSOR List of Products and Services

The "CD-2000M" is an indoor air monitor that can measure gas concentrations at the location where it is installed, using five types of sensors. The measurement range for O2 concentration, necessary for the respiration of stored agricultural products, is 0 to 25%. This product can widely measure CO2 concentrations generated by plant metabolism from 0 to 25%. Additionally, the main sensors are independently mounted, allowing for separate installation. 【Features】 ■ Capable of measuring CO2 concentrations generated by plant metabolism from 0 to 25% ■ Can measure ethylene, which promotes plant ripening, from 0 to 10 ppm ■ Capable of measuring trace concentrations ■ Uses capacitive humidity sensors and high-precision RTD temperature sensors ■ Suitable for CA systems, mushroom cultivation, vinyl houses, etc., where high-precision gas measurement is required *For more details, please refer to the PDF document or feel free to contact us.

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The "DUT Series" is a duct-type transmitter that can widely measure CO2 concentration by installing an NDIR (non-dispersive infrared) CO2 sensor in the ventilation system's duct. It can be used in indoor air conditioning facilities such as HVAC systems in buildings. It supports various output specifications including 3-wire/4-wire wiring methods, relays, and Modbus. The "DUT-1000" is intended for indoor use, while the "DUT-2000" can be used not only indoors but also for outdoor applications such as mushroom cultivation systems and greenhouses. 【Features】 ■ Can widely measure CO2 concentration ■ Usable in indoor air conditioning facilities such as HVAC systems in buildings ■ Usable for outdoor applications such as mushroom cultivation systems and greenhouses (DUT-2000) *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts

The "MT-200H" is a USB CO2 sensor that allows for easy measurement of CO2 concentration by connecting to a smartphone via a computer. In addition to providing long-term measurement stability with simple calibration, the gold-plated sensor ensures stable measurements over extended periods. Please note that this product is calibrated at the factory upon shipment. 【Features】 ■ Adopts NDIR (Non-Dispersive Infrared) method ■ Gold-plated sensor provides long-term measurement stability ■ Pre-calibrated (at factory shipment) ■ Compact and lightweight for excellent portability ■ Easily measures CO2 concentration through connection with electronic devices *For more details, please refer to the PDF document or feel free to contact us.

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The "C-H-CD-300 Series" is a transmitter that incorporates a dual-channel gas sensor module. It is capable of measuring methane (CH4), ethylene (C2H4), propane (C3H8), and butane (C4H10) gases. The sensor module can be easily attached and detached from the main board for convenient handling. Additionally, we also offer the "C-H-CD300L(G) Series," which is configured with a three-wire system. 【Features】 ■ NDIR (Non-Dispersive Infrared) method ■ Manual 10-minute recalibration (MCDL) mode or automatic calibration (ACDL) mode selectable ■ Easy maintenance ■ Built-in dual-channel gas sensor module ■ Excellent long-term stability *For more details, please refer to the PDF materials or feel free to contact us.

• Other electronic parts

The "CH4-D3" is a dual-channel gas sensor module for measuring methane gas using NDIR (non-dispersive infrared) technology. It is used in industrial fields that handle flammable and explosive gases due to its excellent temperature compensation, long-term stability, and easy maintenance. 【Features】 ■ Excellent temperature compensation function (maintains accuracy in high and low temperatures) ■ Output: TTL-UART, I2C, ALARM, Analog Voltage/PWM ■ Supports manual recalibration function at 0ppm (0_MCDL: CAL1) and automatic calibration function (0_ACDL: CAL2) ■ Size: 33mm × 33mm × 13.1mm ■ Weight: 10g *For more details, please download the PDF or contact us.

• Sensors
• Other measurement, recording and measuring instruments

The "D-300 Series" is a gas sensor module for CO2 measurement that uses NDIR (non-dispersive infrared) technology. It supports various applications in the livestock industry, greenhouses, HVAC, and more, with excellent temperature compensation, long-term stability, and easy maintenance. 【Features】 ■ Supports energy-efficient product design ■ Excellent temperature compensation function (maintains accuracy in high and low temperatures) ■ Designed for use in locations where ACDL LOGIC (automatic recalibration) cannot be used, etc. *For more details, please download the PDF or contact us.

• Sensors
• Other measurement, recording and measuring instruments

The "D-400 Series" is a sensor module that supports various applications in the livestock industry, greenhouses, HVAC, and more, with excellent temperature compensation, long-term stability, and easy maintenance. It is designed to be used in places where periodic ventilation is difficult, such as hospitals and greenhouses, where ACDL LOGIC (automatic re-calibration) cannot be utilized. Please feel free to contact us if you have any inquiries. 【Features】 ■ Excellent temperature compensation function (maintains accuracy in high and low temperatures) ■ Output: TTL-UART, I2C, ALARM (Analog Voltage / PWM options available) ■ Supports manual re-calibration function (MCDL) for '0' ppm or '400' ppm ■ Size: 50mm x 69mm x 26mm ■ Weight: 30g *For more details, please download the PDF or contact us.

• Sensors
• Other measurement, recording and measuring instruments

This product is a compact CO2 sensor module that can be used in special environments such as incubators, agricultural product storage warehouses (CA), and for detecting CO2 gas leaks. It is equipped with an excellent temperature compensation function that maintains accuracy even at high and low temperatures. Please feel free to contact us if you have any requests. 【Features】 ■ Gas sensor module for high concentration CO2 measurement using NDIR (non-dispersive infrared) method ■ Output: TTL-UART, I2C (Analog Voltage / PWM option available) ■ Supports manual recalibration function (MCDL) for ‘0’ ppm or ‘400’ ppm ■ Size: 32.5mm × 38mm × 19.1mm ■ Weight: 10g *For more details, please download the PDF or contact us.

• Sensors
• Other measurement, recording and measuring instruments

The MB-350U-C series is an indoor air monitor that can precisely measure carbon dioxide (CO2), carbon monoxide (CO), temperature, and humidity. With warning indicators in three colors and a melody alarm, it enables the creation of a comfortable indoor environment. In particular, the MB-350U-CV series can also measure volatile organic compounds (VOCs). Please feel free to contact us if you have any requests. 【Features】 ■MB-350U-CV (485M) 　・CO2, CO, VOCs, temperature and humidity, alarm, RS485-Modbus *For more details, please download the PDF or contact us.

• Other air conditioning equipment
• Other measurement, recording and measuring instruments

The "CD-100L(G) series" is a one-board type CO2 transmitter sensor. It comes in 3-wire and 4-wire configurations, allowing for easy selection of measurement range and calibration mode. (Automatic calibration/manual 10-minute recalibration) 【Features】 ■ NDIR (Non-Dispersive Infrared Method) ■ Selectable 10-minute recalibration (MCDL) mode or (ACDL) mode ■ Selectable CO concentration measurement range *For more details, please download the PDF or contact us.

• Other measurement, recording and measuring instruments

The COD-200(M)L series is a transmitter-type detector that detects carbon monoxide (CO) in the atmosphere and alerts to dangerous situations. It is used in places such as underground parking lots, work sites, and indoors, and is utilized to protect people from carbon monoxide poisoning. 【Features】 ■ Output mode: Current 4-20mA / Voltage 2-10VDC RS485 Modbus ■ Application of a unique calibration algorithm *For more details, please download the PDF or contact us.

• Other measurement, recording and measuring instruments

The "MT-200" is one of the world's smallest USB CO2 monitors. It is a USB-type CO2 sensor that uses NDIR (non-dispersive infrared) technology, featuring a gold-plated sensor that provides long-term measurement stability. 【Features】 ■ One of the smallest models in the world ■ Factory calibrated ■ Selectable functions for automatic recalibration mode and manual calibration mode (ACDL and MCDL) ■ Equipped with target ppm deviation correction function - Allows direct input of ppm values for sensor deviation correction, etc. *For more details, please download the PDF or contact us.

• Sensors

The "S-300(LG)" is a small CO2 measurement gas sensor module that uses NDIR (non-dispersive infrared) technology. It excels in temperature compensation and remains stable even with long-term use. Maintenance is also easy, supporting various applications in the livestock industry, greenhouses, HVAC, and more. Additionally, it supports energy-efficient product design with its Sleep mode feature. 【Features】 ■ Pre-calibrated (at factory shipment) ■ Gold-plated sensor provides long-term measurement stability ■ Option to select between automatic recalibration mode (ACDL) and manual calibration mode (MCDL) *For more details, please download the PDF or feel free to contact us.

• Sensors

The "T-200" is a small CO2 measurement gas sensor module that uses NDIR (non-dispersive infrared) technology. With its easy maintenance features in ACDL mode (automatic recalibration mode), it supports various applications such as indoor air quality management, building HVAC systems, and scientific projects. Additionally, it excels in temperature compensation and long-term stability. 【Features】 ■ Pre-calibrated (at factory shipment) ■ Gold-plated sensor provides long-term measurement stability ■ Option to select between automatic recalibration mode (ACDL) and manual calibration mode (MCDL) *For more details, please download the PDF or feel free to contact us.

• Sensors