Site Search:  

Electrochemical Sensors for Hazardous Gas Detection

SemeaTech, a world leader in sensing technologies, offers a full line of electrochemical sensors for detecting hazardous materials and gases for work safety and environmental protection.
SemeaTech has built a wide network of industry experts and technologists to provide the company with guidance for customer needs and market requirements in order to release the right products featuring minimized environmental impact, no application errors, higher resolutions, increased sensitivity, improved stability, better exchangeability, wider measuring ranges, etc.

It is recommended that you mount the SemeaTech electrochemical sensors in a socket where they can be removed and replaced when their working life expires (electrolyte is used up).
Size Product Gas Range Resolution Response Equivalent to
4 Series 4CO-100 CO 0-100 ppm 0.15 ppm <30s  
4CO-500 0-500 ppm 1 ppm 2CTF-3 CiTiceL®
4CO-500S 0-500 ppm 1 ppm <20s 4CTF+ CiTiceL®
4CO-1000 0-1000 ppm 1 ppm <30s  
4CO-2000 0-2000 ppm 10 ppm 4CM CiTiceL®
4CO-5000 0-5000 ppm 10 ppm  
4CO-10000 0-10,000 ppm 10 ppm  
4CO-20000 0-20,000 ppm 10 ppm  
4H2S-50 H2S 0-50 ppm 0.1 ppm <25s  
4H2S-100 0-100 ppm <30s  
4H2S-1000 0-1000 ppm <45s  
4H2S-2000 0-2000 ppm  
4H2S-5000 0-5000 ppm  
4NO2-20 NO2 0-20 ppm 0.1 ppm <30s  
4NO2-2000 0-2000 ppm 5 ppm <60s  
4SO2-20 SO2 0-20 ppm 0.1 ppm <45s  
7 Series 7HF-50 HF 0-50 ppm 0.5 ppm <120s  
7CO-1000 CO 0-1000 ppm 0.5 ppm <30s  
7CO-2000 0-2000 ppm  
7CO-10000 0-10,000 ppm 5 ppm  
7H2S-50 H2S 0-50 ppm 0.1 ppm <30s  
7H2S-100 0-100 ppm 0.25 ppm  
7H2S-200 0-200 ppm  
7NO2-20 NO2 0-20 ppm 0.1 ppm <30s  
7SO2-100 SO2 0-100 ppm 0.2 ppm <70s  
7SO2-2000 0-2000 ppm 5 ppm  
7CL2-20 CL2 0-20 ppm 0.1 ppm <45s  
7NH3-100 NH3 0-100 ppm 0.1 ppm <60s  
7NH3-500 0-500 ppm 2 ppm  
7NH3-1000 0-1000 ppm  
7NH3-2000 0-2000ppm 5 ppm <90s  
7O3-1 O3 0~1 ppm 0.02 ppm <45s  

Application Notes: