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Running the Test
Noise
Thermo Scientific
2. Press Delete Std.
In the Photometric Accuracy screen, make sure the wavelengths, absorbance (or %T) values
and tolerances are set correctly.
To run the Photometric Accuracy test
Press Start Test.
The results indicate pass or fail for each wavelength.
If the test fails, follow these guidelines:
• Repeat the test twice to verify that the test is failing consistently.
• Follow the guidelines provided with the standard reference materials.
• For more troubleshooting advice contact our sales or service representative in your area or
use the information at the beginning of this document to contact us.
This test measures the amount of noise. The Vis instrument measures only at 340 nm.
All test parameters are determined by instrument specifications and cannot be changed by the
user. When running the noise test, remember:
• Perform the 0A measurement with the cell holder empty. Optionally you can perform the
2A measurement with a 2A filter.
Orion AquaMate 7000 Vis and Orion AquaMate 8000 UV-Vis
22
Performance Verification
Noise
115
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