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Teledyne API Model 201A NH
3
Analyzer Instruction Manual, 04689, Rev. B1
The instrument is now fully calibrated.
2.1.4 Channel Calibration Quality
After the ammonia channel is calibrated via the converter efficiency parameter, it is
important to check the calibration by sampling the NH3 calibration gas and confirming
that the instrument responds with the correct concentration. In the above example the
M201A should report 400 ppb NH3 concentration when measuring the 400 ppb NH3
span gas used.
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