Air separation carbon dioxide analysis
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For the Terrell TA-5000 analyzer, the zero-point gas is high-purity nitrogen, while the range gas has a concentration of 5 ppm. How should the zero point and range be calibrated?
Calibrate it in the usual way – can’t calibrate it?
The specific calibration method can only be found in the instructions; for the detection of trace amounts of CO2 at the molecular sieve outlet, it is not recommended to calibrate the zero point – only the measurement range should be calibrated