Automatic calibration arrangement for gas detector

摘要: In an arrangement for automatically calibrating a gas detector by subjecting the sensor (1) to calibration gas, is located in measuring chamber (2) with feed pipe (5) and vent opening (2.1) enable escape. Near placed container (6) provided thermally sensitive valve (7) which actuated controller (3). The consists of vessel micro-hole connected intermediate having re-usable fusible tin closure.