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MQ-303A |
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| Part Number | MQ-303A |
| Manufacturer | HANWEI ELETRONICS |
| Description | HANWEI ELETRONICS CO.,LTD MQ-303A http://www.hwsensor.com GAS SENSOR MQ-303A for ALCOHOL DETECTION * High sensitivity * Low power consumption * Miniature-size The MQ-303A is a tin dioxide semicond... |
| Features |
tics, the values of the heater voltage (VH) circuit voltage (VC) and load resistance (RL) must be within the range of values given in the standard operating conditions shown in the Specification table on the next page. Generally, the sensor enters into normal working conditions after several minutes’ preheating, If you connect the sensor heater with a high voltage 2.2 ± 0.20V for 5-10 sec before normal testing , the sensor shall stabilize and enter into normal working conditions quickly.
Sensitivity characteristics
Fig 3 shows the sensitivity characteristics curves of the MQ-303A (typical dat... |
| Document |
 MQ-303A Data Sheet
PDF 90.99KB |
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