红外CH4检测模块红外CH4测量模块（泵吸采样式）测量0-100%VOL（4-100%可选择）供电电压+12VDC（8-16VDC），电流最大250MA，平均125MA精度：如果标定5%的甲烷，应使用5±0.1%的甲烷气体，精度在0-5%是最好的为±0.25%,在5-100%为读数的5%输出：SPI数字信号和0-1VDC线性电压尺寸：4.9*2.9*3.25(英寸)TheVALTRONICS Model 2015SPI-4 is an OEM NDIR CH4 sensor with digital signal processing andtemperature compensation. The SPI (Serial Peripheral Interface) see Application Notes A59 & A64.Each serial numbered sensor is individually gas calibrated and temperature compensated at thefactory. Single Point field calibration is supported. On board & remote switches for calibration .TheVALTRONICS Model 2015SPI-4 is an OEM NDIR CH4 sensor with digital signal processing andtemperature compensation. The SPI (Serial Peripheral Interface) see Application Notes A59 & A64.Each serial numbered sensor is individually gas calibrated and temperature compensated at thefactory. Single Point field calibration is supported. On board & remote switches for calibration .TheVALTRONICS Model 2015SPI-4 is an OEM NDIR CH4 sensor with digital signal processing andtemperature compensation. The SPI (Serial Peripheral Interface) see Application Notes A59 & A64.Each serial numbered sensor is individually gas calibrated and temperature compensated at thefactory. Single Point field calibration is supported. On board & remote switches for calibration .TheVALTRONICS Model 2015SPI-4 is an OEM NDIR CH4 sensor with digital signal processing andtemperature compensation. The SPI (Serial Peripheral Interface) see Application Notes A59 & A64.Each serial numbered sensor is individually gas calibrated and temperature compensated at thefactory. Single Point field calibration is supported. On board & remote switches for calibration .TheVALTRONICS Model 2015SPI-4 is an OEM NDIR CH4 sensor with digital signal processing andtemperature compensation. The SPI (Serial Peripheral Interface) see Application Notes A59 & A64.Each serial numbered sensor is individually gas calibrated and temperature compensated at thefactory. Single Point field calibration is supported. On board & remote switches for calibration .