(1) Range: (0~40) m/s; (2) Average flue gas flow rate: when >10m/s, the relative error is ±8%; when ≤10m/s, the relative error is ±10%; ( 3) Resolution: 0.001m/s; (4) Maximum sound speed difference between each channel: 0.5m/s; (5) 24h zero point drift ≤±1%FS; one week zero point drift ≤±2%FS; ( 6) 24h range drift ≤±1%FS; one-week range drift ≤±2%FS; (7) Backflush function is required; (8) System protection function is required; (9) Data acquisition, processing and output functions are required.
T/JSGT 003-2020 history
2020T/JSGT 003-2020 Exhaust gas velocity and flow monitoring Ultrasonic time difference method