TS-303A / TS-303AP

Fixed Type Combustible Gas Alarm (Diffusion Type/ Suction Type)

Authorised Agent and Service Station for Toka Seiki (Japan)

TS-303 is a Fixed Type Gas Detector with 1 detection point. TS-303 is able to be use on 3 types such as Combustible Gas, Oxygen and Toxic Gas. TS-303 is suitable for detecting leakage of the combustible gas, oxygen and blackdamp from the gas manufacturer, gas filling facitilies, gas consumption utilities, vessel etc. 


  • Highly rugged ABS plastics (UL standard) gives the indication unit anticorrosiveness, arc-resistance and insulation
  • Feather-touch pushbutton operation
  • Drip-proof construction and flat design without projections
  • Dimmer switch provided
  • More than 2 indication units can be jointed together
  • Saving-energy design of low power consumption
  • Highly integrated PC Board makes maintenance easier
  • Detection units excel in anti-corrosiveness due to aluminum alloy 7A


Widely used on applications such as Fixed Gas Detection System.  

Modern provides maintenence and calibration package for Toka Seiki products. Please contact us for more details.