We are now having Ching Ming Festival and Easter holiday. We will back to office until Apr 8, 2015.


Chinese New Year 2014 holiday arrangement

Chinese New Year 2014 holiday arrangement

1. Chinese New Year holiday will be on Jan 31- Feb 3, 2014. Our sales office in Hong Kong will stayed open until Jan 30 and resume working on Feb 7, 2012. The factory will resume working on Feb 10, 2013. 

2. We will stop receiving orders by Jan 20, 2014 in case there is any delay in logistics in that peak season.

3. Order made after Jan 20 will be delivered after the holiday.


Yudian (Hong Kong) Automation Technology Co., Ltd. official web site has been attacked.

It was found that our official website (www.yudian.com.hk, www.yudian.us) has been attacked by hacker. We will resume in a very short time. 

Please stay with us through Google blogger (www.yudian-automation.com), Facebook (http://www.facebook.com/yudianautomation) and Twitter (https://twitter.com/yudian_us).


DC Analog Signal Generator

Yudian Indicator AI-501 V7.61
Yudian DC Analog Signal Generator 4-20mA, 0-20mA
 4-20mA DC Signal Generator feature is added to AI-501 V7.61. User can output any DC signal 0-20mA, 4-20mA, 0-5V, 0-10V, 0-20V signal just by having one unit of AI-501-D2-X3-Q V7.61.

Yudian temperature controller series, AI-5 series will introduce a new UL line. Those which complies with UL IEC 61010-1:2010 will be added by suffix -UL. The best selling series AI-509-D2 in black color will be become AI-509-D2-UL-Q.
AI-208 provides standard digital PID temperature control features, including high alarm, low alarm, high deviation alarm, low deviation alarm, thermocouples or Pt100 input, SSR or relay output. The setpoint limitation protects equipment and safety measures for end users.


Ultra slim 22.5mm dual DIN rail temperature transmitter AI-7021 works with PLC, computers and Yudian temperature controllers and indicators

Dual DIN rail temperature transmitter AI-7021 converts temperature from thermocouples/Pt100 into two 4-20mA/0-20mA analog outputs. It can also be used to as isolator or duplicator. Its special 1-in 2-out features copied the single signal into two analog outputs. AI-7021 is the most slim design DIN rail mounted temperature transmitter in the the world at only 22.5mm. Ultra compact design enables industrial automation solutions provider works easily with PLC, computer and  Yudian temperature controllers and indicators  as well.