Technical characteristics: Continuous measurement of SO2, NOX, CO, CO2, CH4, O2, C2H4, C3H8, TCH, and other gas concentrations. Can analyze multiple components at the same time. Multiple 4-20mA analog output and relay contact output. Automatic calibration, fault self-diagnosis, digital communication functions. High precision and good stability. Menu operation, Chinese and English LCD display. ppm or […]