Anti-interference mechanical mode gas meter with pulse output

The invention relates to an anti-interference mechanical mode gas meter with pulse output. The anti-interference mechanical mode gas meter comprises a mechanical counter, a counting reed switch and ananti-interference reed switch; magnetic steel is arranged in a counter head wheel of the mechanical counter, the magnetic steel corresponds to the counting reed switch, and the counting reed switch is triggered to be closed; the counting reed switch is closed once when the counter head wheel rotates by a circle; the counting reed switch is connected to a monitoring terminal through a first signalline; the anti-interference reed switch is connected with the monitoring terminal through a second signal line; when a magnetic field is abnormal, the anti-interference reed switch sends a pulse to the terminal, and the terminal alarms; and the mechanical mode gas meter is not provided with a PCB and is not provided with a screen display device. The anti-interference mechanical mode gas meter hasthe pulse output function;