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YUDEN-TECH CO., LTD.

新北市,  Taiwan
https://www.eyc-tech.com/
  • Booth: P5305

eyc-tech enhance your capability with sensor technology

Overview

YUDEN-TECH CO.,LTD. was founded in 1993 and is one of Taiwan’s leading transmitter distributors and manufacturers. We specialize in a wide range of transmitters, with core businesses covering professional manufacturing, authorized distribution, and calibration services. Upholding our management philosophy of “Quality First, Fast Delivery, and Customer Satisfaction,” we are committed to providing high-quality products and services while delivering precise environmental and process measurement solutions for various industries.

Our products are widely applied in key fields such as compressed air systems, HVAC, cleanrooms, data centers, and exhaust gas treatment, meeting industrial demands for accurate data. YUDEN-TECH CO.,LTD. operates a professional calibration laboratory accredited by TAF, providing precise calibration services that comply with international standards and helping customers improve operational reliability.

In 2009, we established our own brand, eyc-tech, offering a comprehensive range of measurement products, including air velocity and airflow, temperature and humidity, dew point, differential pressure, flow, temperature, pressure, level, air quality, and signal indicators. These products are widely used in environmental monitoring and process control, delivering outstanding accuracy and reliability for key industries while helping customers improve operational efficiency and product quality. We continue to introduce advanced equipment, including fully automatic dew point calibration systems, fully automatic temperature and humidity calibration systems, and gas flow calibration systems, to comprehensively enhance production efficiency and product quality, ensuring that our products meet the highest standards.

As Taiwan’s largest transmitter manufacturer, eyc-tech is also a designated partner for multiple international brands and OEM customers. Guided by our core values of “Precision, Professionalism, and Stability,” we are dedicated to providing innovative solutions that help customers address challenges in process monitoring, environmental control, and efficiency improvement, supporting them in maintaining a competitive edge in the global market and advancing sustainable development.

  Press Releases

  • YUDEN-TECH CO., LTD., together with its own brand eyc-tech, will participate in SEMICON Taiwan to showcase a wide range of measurement solutions designed for the semiconductor industry and high-cleanliness process environments. We sincerely invite global industry professionals to visit our booth and explore cooperation opportunities.

    With the rapid growth of advanced processes, AI chips, advanced packaging, and smart factories, semiconductor manufacturers are placing higher demands on environmental stability, process accuracy, and energy efficiency. eyc-tech has long specialized in industrial measurement solutions, offering a complete product portfolio covering air velocity & airflow, temperature & humidity, dew point, differential pressure, flow, pressure, level, and signal instrumentation. These products are widely applied in wafer fabs, packaging and testing facilities, cleanrooms, MEP systems, and utility operations.

    Key Application Highlights at the Show

    Cleanroom & Environmental Control
    Differential pressure, temperature & humidity, and low air velocity measurement solutions help maintain pressure cascades, stable airflow, and environmental consistency, improving yield and process reliability.

    Compressed Air & Specialty Gas Management
    Flow, pressure, and dew point measurement solutions help monitor CDA system performance, reduce energy loss, and improve gas supply quality and equipment reliability.

    Process Equipment & Exhaust Systems
    Reliable solutions for cooling water, liquid flow, exhaust airflow, and waste gas treatment applications help maximize equipment uptime and improve EHS management efficiency.

    Smart Factory & Energy Management
    Supporting analog outputs and Modbus RTU / RS-485 communication, our products can be integrated into existing monitoring systems to support digital transformation and intelligent facility management.

    Founded in 1993, YUDEN-TECH CO., LTD. has continuously focused on transmitter manufacturing, authorized distribution, and calibration services. We also operate a calibration laboratory accredited by TAF, ensuring measurement quality in compliance with international standards.

    We warmly welcome you to visit us at SEMICON Taiwan and discover the future of precision measurement and smart manufacturing for the semiconductor industry.

    Exhibited Brand: eyc-tech
    Exhibitor: YUDEN-TECH CO., LTD.
    Booth No. : P5305

    We look forward to welcoming you to our booth.

  Products

  • FDM06-L Bi-directional Low Air Flow Thermal Mass T
    ● Based on the thermal mass flow sensing principle, featuring bi-directional measurement.
    ● Highly sensitive to low airflow, using dual temperature sensors for detection; designed for laminar flow and differential pressure (positive/negative) control....

    • Features : Ultra-low flow detection with reverse flow alert
    Sensor type : Hot-wire sensor
    Turndown ratio : 100 : 1
    Measuring range : ±(0.00 ... 2 m/s)
    Output : 4 ... 20 mA / 0 ... 10 V / Relay / RS-485
    Accuracy : 0.05 ... 1.00 m/s : ±(1% of mv+0.05 m/s), 0.05 ... 2.00 m/s : ±(1% of mv+0.1 m/s)
    IP rating : IP65

    Features
    ● Based on the thermal mass flow sensing principle, featuring bi-directional measurement.
    ● Highly sensitive to low airflow, using dual temperature sensors for detection; designed for laminar flow and differential pressure (positive/negative) control.
    ● 2″ LCD color screen with easy configuration via buttons.
    ● Displays air velocity and airflow, integrated with UI settings.
    ● Accuracy : ±1.0%
    ● Multiple Outputs: Analog output / Relay / RS-485

    Applications
    Overflow Flow Monitoring ( 0.20 m/s) / Laminar Flow Monitoring ( 0.20 ... 0.50 m/s) / Semiconductor / Pharmaceutical / Food and Beverage / Laminar Flow Control / Overflow Control / Positive and Negative Pressure Control / Energy / Environmental Protection / Factory Automation / Pharmaceutical
    *Recommended range : 0.00 ... 2.00 m/s for laminar and overflow monitoring.
     
  • FTC06 Temperature and Flow Transmitter
    ● Measures temperature and water flow via RS-485
    ● RS-485 configuration software allows setting of measurement range, analog output, and device address
    ● Built-in data logging function with graphical analysis
    ● Designed for liquid water-cooling systems...

    • Features : Rugged aluminum housing, RS-485 temperature and water flow measurement, data logging, for liquid cooling systems.
    Sensor type : Pt 100 / Pt 1000
    Measuring range : 0 ... 3 m/s
    Output : 4 ... 20 mA / RS-485 / NPN
    Repeatability : ±0.5%
    IP rating : IP65

    Features
    ● Rugged aluminum alloy housing, suitable for harsh environments
    ● Measures temperature and water flow via RS-485
    ● RS-485 configuration software allows setting of measurement range, analog output, and device address
    ● Built-in data logging function supports up to 65,535 records with graphical analysis
    ● Designed for liquid water-cooling systems
    ● Integrated, fully encapsulated probe design, compatible with various threaded fittings

    Applications
    AI Servers / Precision Manufacturing / Data Centers / Semiconductor / Electronics / Chemical / Pharmaceutical / Steel industry / Biotechnology / Industrial process monitoring / Air conditioning / Cleanroom / Laboratory / Weather station / Hospital / Buildings / Dryers / Factories / Storage rooms / Environmental ventilation control / Environmental test chambers / Greenhouses
  • TP05 Temperature Transmitter
    ● Temperature range configurable via RS-485
    ● RS-485 configuration software enables setting of measurement range, analog output, and device address
    ● Built-in data logging supports
    ● Measures temperature of various media, including air and liquid...

    • Features : Rugged aluminum housing with RS-485 configuration and data logging for precise air and liquid temperature measurement
    Sensor type : Pt 100 Class A
    Measuring range : -40 ... +200°C
    Output : 4 ... 20 mA / RS-485
    Accuracy : ±0.1°C
    IP rating : IP65

    Features
    ● Rugged aluminum alloy housing for harsh environments
    ● Temperature range configurable via RS-485
    ● RS-485 configuration software enables setting of measurement range, analog output, and device address
    ● Built-in data logging supports up to 65,535 records with graphical analysis
    ● Measures temperature of various media, including air and liquid

    Applications
    Semiconductor / Electronics / Chemical / Pharmaceutical / Steel industry / Biotechnology / Industrial / process monitoring / Air conditioning / Cleanroom / Laboratory / Weather station / Hospital / Buildings / Dryers / Factories / Storage rooms / Environmental ventilation control / Environmental test chambers / Greenhouses
  • THS17-MD Temperature & Humidity Transmitter
    ● Real-Time data of temperature & humidity
    ● SUS304 metal housing
    ● Economic price, high accuracy, nicer long-term stability
    ● MEMS semiconductor sensor
    ● Anti-condensation protection
    ● Digital RS-485 output...

    • Features : Probe type. Easy to install. Cost effective.
    Sensor type : MEMS
    Measuring range : 0°C ... +50°C / 0 ... +100%RH (Non-condensing)
    Output : RS-485
    Accuracy : ±0.1°C / ±1.0%RH
    IP rating : IP24 ( Sensor ) / IP 65 ( Body )

    Features
    ●  Real-Time data of temperature & humidity
    ●  SUS304 metal housing
    ●  Economic price, high accuracy, nicer long-term stability
    ●  MEMS semiconductor sensor
    ●  Anti-condensation protection
    ●  Digital RS-485 output
    ●  Compact size and elegant outlook and easy to install

    Applications
    Monitoring for HVAC process / Air conditioning / Environmental ventilation control / Building / Factory /Clean room / Laboratory / Storeroom / Crisper / Agriculture / Food industry / Machinery / Equipment
  • THM50X Temperature & Humidity Transmitter
    ● Direct key operation for temperature/humidity adjustment, RS-485 settings, and unit switching.
    ● Measures extremely low humidity, down to 0.1% RH.
    ● Multiple physical measurement units switchable: %RH, °C, mbar, g/kg, g/m³, kJ/kg, AH%....

    • Sensor Type: Capacitive humidity sensor & Pt100 Class A
    Measuring Range: Wall-mounted: -40°C ... +80°C / Remote type: -40°C ... +150°C
    Output: 4 ... 20 mA / 0 ... 10 V / RS-485 / NPN / PNP
    Accuracy: ±0.1°C / ±1%RH
    Protection Rating: IP65 (Housing)

    Features
    ● Aluminum alloy casing for harsh environments.
    ● Direct key operation for temperature/humidity adjustment, RS-485 settings, and unit switching.
    ● High-accuracy temperature and humidity measurement with fast response and quick recovery after condensation.
    ● RS-485 communication for configuring measurement units, ranges, output type, and station address.
    ● DATA LOG function capable of recording up to 65,535 entries for analysis.
    ● Measures extremely low humidity, down to 0.1% RH.
    ● Multiple physical measurement units switchable: %RH, °C, mbar, g/kg, g/m³, kJ/kg, AH%.

    *AH% = the actual amount of water vapor in the air, defined with the saturated value at 25 °C as the reference. That is, the maximum water content at 25 °C is taken as 100%, and AH% represents the percentage calculated based on the corresponding absolute humidity (AH).
     
    Temperature Actual Absolute Humidity (Measured) Absolute Humidity Percentage (AH%)
    100°C 4.6 g/m³ (4.6 / 23) x 100% = 20%
    100°C 1.15 g/m³ (1.15 / 23) x 100% = 5%

    *Note: The saturated humidity at 25 °C is 23.03 g/m³.


    Applications
    Semiconductor / Electronics / Chemical industry / Pharmaceutical / Steel industry / Biotechnology industry / Industrial process monitoring / Air conditioning / Cleanrooms / Laboratories / Weather stations / Hospitals / Buildings / Dryers / Factories / Storage rooms / Environmental ventilation control / Environmental test chambers / Greenhouses
     
  • PMM06-D Ultra-Low Differential Pressure Sensor
    ● Thermal mass sensing for differential pressure
    ● High sensitivity at low pressure, low zero drift, range ±10, ±25, ±50, ±100 Pa
    ● Supports square root function for analog output
    ● Analog output with RS-485 / Relay
    ● Resolution up to 0.05...

    • Feature : Utilizing hot-wire sensing technology, high sensitivity for detecting minute differential pressure
    Measuring element : Thermal mass type
    Measuring range : ±10, ±25, ±50, ±100 Pa
    Output : 4 ... 20 mA / 0 ... 10 V / Relay / RS-485
    Accuracy : ±(1% F.S. + 0.1 Pa)
    IP rating : IP65

    Features
    ● Thermal mass sensing for differential pressure
    ● High sensitivity at low pressure, low zero drift, range ±10, ±25, ±50, ±100 Pa
    ● Supports square root function for analog output
    ● 2″ LCD with easy button setup
    ● Analog output with RS-485 / Relay
    ● Compact metal housing, easy to install
    ● Resolution up to 0.05

    Applications
    Industrial / Agricultural / Ceramics & Glass / Chemical / Transportation / Technology / Energy / Environmental / Factory Automation / Pharmaceutical / Food & Beverage

Categories

501 HVAC, Temperature, Humidity, Contamination Control
  • Clean Rooms
  • HVAC; Temperature; Humidity Systems and Control

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