Minimum measured transmittance for UltraScan Pro


Question : What is the minimum %T that the USPro can measure?


The Photometric Range = 0- 150 %

So 0% is the lowest, note that at this level where we are very close to the BOS (Bottom of Scale) vector. There may be instances, due to instrument noise, where the measured result is less than 0%, When that happens we will report 0% and never report a negative value.

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