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Products Sensors » MR513     Technical Specifications  High sensitivity, large output                                                     Fast primary stability time, quick response  Remarkable reproducibility and reliability.                                                    Good selectivity, avoid smoke ethanol disturb  Low consumption, miniature design                                                                        Description MR513 type alcohol sensor through alcohol absorption on the metal oxide semiconductor generates  hot conduction  and electronics conduction change principal, the white coil resistor change detecting gas concentration. MR513 consists detecting element and compensation element, both elements are placed in a wheat stone bridge circuit, when the alcohol concentration appears, the detecting element resistor reduces, bridge circuit voltage output changes, the voltage will increase according to the alcohol concentration increase, the compensation element refers to temperature compensation affection.