Fixed hydrogen gas detector transmitter with micro controller inside it

Brief introduction: QB2000F fixed hydrogen gas detector transmitter is equipped with micro controller inside it. You don't have to have control panel, as QB2000F is combi detector and panel itself. It is designed to monitor the hydrogen gas leakage in the place, where there's hydrogen gas leak. The alarm controller has excellent sensibility, quite good accuracy, linearity and receptivity; Big English LCD displays the real-time concentration of the leakage gas. With 2 relay