Verification Kit - Hach DR 5000 User Manual

Spectrophotometer
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6.8.3.6 Verification kit

5. The Drift Check runs 1 hour.
This test takes a reading every minute for one hour. Every
15 minutes, linear regression is used to calculate the slope
(rate of change) for the previous 15 minute interval.
6. The last reading and slope for each 15 minute interval are
displayed. At the end of the hour, the overall values are
calculated and displayed. The test proceeds to completion.
7. Press Cancel to return to Optical Checks.
The Verification Kit, LZV 537, (see
designed for periodic monitoring of scattered light, photometric
accuracy and the wavelength accuracy of the spectrophotometers.
When results exceed allowable tolerances (given in the quality
control certificate), contact the manufacturer.
1. Press Verification Kit in the Optical Checks menu.
2. Press Nominal Values.
Advanced Operations
Section 9 on page
129) is
113

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