About US
INTRODUCTION​​


​​​​​​​Shanghai Tuomian Intelligent Company is a very special company, which is specially designing and selling only for the most professional RCD testers in the world.


The Founder of this company ever worked for SIEMENS and Eaton for more than 12 years, leading the designing team and lab team to develop SIEMENS SNG RCD products. And He designed the earliest basic version of B type RCD tester for the company when he worked for SIEMENS.


Now we bring out the latest and most professional RCD testers for use.

     ​
HONORS​
 

INNOVATIONS ALWAYS . . .   . . .

 

            • 2019.09   TMTE531B RCD tester for R&D
            • 2020.04   TMTE532B RCD tester for Production
            • 2020.07   TMTE213AC RCD tester for Production
            • 2020.09   TMTE213A RCD tester for Production
            • 2020.10   TMTE1000WS Programmable Power 
            •                 Supply for RCD tester
            • 2020.12   TMTE3000WT Programmable Power 
            •                 Supply for RCD tester
            • 2021.05   TMTED214 B type RCD Meter
            • 2021.10   TMTE531B+ RCD tester for R&D
            • 2022.02   TMTE213F RCD tester for Production
            • 2022.04   TMTE532E05 Residual Current Source

COPYRIGHTS​
  • Copyright for SW of Surge Current Generator
    Copyright for SW of Surge Current Generator
  • Copyright for Control Logic of RCD tester
    Copyright for Control Logic of RCD tester
  • Copyright for Control logic of AFDD tester
    Copyright for Control logic of AFDD tester
  • Copyright for Control Logic of Residual Current Detection
    Copyright for Control Logic of Residual Current Detection
  • Copyright for Control Logic of Arc Fault Detection
    Copyright for Control Logic of Arc Fault Detection
  • Copyrights for Control Logic of Calibration Residual Current
    Copyrights for Control Logic of Calibration Residual Current
  • Copyright for Control Logic of E-Car RC performance test
    Copyright for Control Logic of E-Car RC performance test
  • Copyright for Control Logic of 10 times half-wave RC test
    Copyright for Control Logic of 10 times half-wave RC test
  • Copyrights for Control Logic of B type RCD meter
    Copyrights for Control Logic of B type RCD meter