LAMPIRAN
Страница 1: ...LAMPIRAN...
Страница 2: ...Infrared CO2 Module Model MH Z19 User s Manual Version 1 0 Valid from 2015 03 03 Zhengzhou Winsen Electronics Technology Co Ltd ISO9001 certificated company Tel 0086 371 67169097 Fax 0086 371 6093298...
Страница 3: ...sers disobey the terms or remove disassemble change the components inside of the sensor we shall not be responsible for the loss The specific such as color appearance sizes etc please in kind prevail...
Страница 4: ...emperature compensation and it has UART output and PWM output It is developed by the tight integration of mature infrared absorbing gas detection technology precision optical circuit design and superi...
Страница 5: ...me 3 min Reponse Time T90 60 s Working 0 50 temperature 0 95 RH 33 mm 20 mm 9 mm Weight 21 g Lifespan 5 years Table 1 Main Technical Parameters Figure 1 Structure Measuring Target Gas Formula Accuracy...
Страница 6: ...ero calibration low level above 7 seconds Factory Reserved Pin 2 UART RXD 0 3 3V digital input Pin 3 UART TXD 0 3 3V digital output Pin 4 SR Factory Reserved Pin 8 AOT Factory Reserved Table 3 Definit...
Страница 7: ...5 Middle of cycle 1000ms 5 Low level output for ending 2ms 5 Account formula for CO2 concentration which gets through PWM C ppm 2000 TH 2ms TH TL 4ms Among Cppm is calculated CO2 concentration unit i...
Страница 8: ...factory default is 0 x01 end with proof test value Checksum refer to below Calibrate and Calculate method Command List 0x86 Gas Concentration 0x87 Calibrate zero point ZERO 0x88 Calibrate span point S...
Страница 9: ...high level Low level Check value byte No d span point span point 0XFF 0x01 0x88 0x07 0xD0 0x00 0x00 0x00 0xA0 No return value C Calibrate and Calculate The checksum invert byte 1 7 1 Gas concentratio...
Страница 10: ...Do not use the sensor in the high dusty environment for long time 8 2 Please use the sensor with correct power supply Zhengzhou Winsen Electronics Technology Co Ltd Add NO 299 Jin Suo Road National H...
