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MP503 датащи(PDF) 4 Page - Zhengzhou Winsen Electronics Technology Co., Ltd. |
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MP503 датащи(HTML) 4 Page - Zhengzhou Winsen Electronics Technology Co., Ltd. |
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4 / 7 page ![]() Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email: sales@winsensor.com Basic Circuit Fig2. MP503 Test Circuit Instructions: The above fig is the basic test circuit of MP503.The sensor requires two voltage inputs: heater voltage (VH) and circuit voltage (VC). VH is used to supply standard working temperature to the sensor and it can adopt DC or AC power, while VRL is the voltage of load resistance RL which is in series with sensor. Vc supplies the detect voltage to load resistance RL and it should adopt DC power. Description of Sensor Characters Fig5.Responce and Resume Fig6.Linearity curve Fig3.Typical Sensitivity Curve Rs means resistance in target gas with different concentration, R0 means resistance of sensor in clean air. All tests are finished under standard test conditions. Fig4.Typical temperature/humidity characteristics Rs means resistance of sensor in 50ppm alcohol under different tem. and humidity. Rso means resistance of the sensor in 50ppm alcohol under 20℃/55%RH. Time(s) Alcohol H2 CH4 iso-butane Smoke methanal Concentration (ppm) Alcohol H2 CH4 iso-butane Smoke methanal Concentration (ppm) Time (s) |
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