Benchmark TD-550 - Page 21

TD-550/560 Oil in Water Analyzer fastHEX™ Analysis Method
PN 106737
REV H
TD-550/560 Oil in Water Analyzer
Operation Manual
21
1
3
2
14. On the Home screen select a saved calibration in the Calibrations list (1).
NOTE: If you have not calibrated the analyzer, follow the calibration procedure in Section 5 No-
Solvent Analysis Method.
15. If applicable, select a saved location from the Locations list (2), or tap New to create a location.
16. Tap Read (3). A new reading is stored in the Reading History screen.
17. Check that the uorescence response is at least 200 uorescence units greater than the
blank. Calibrations with uorescence response differences less than 200 indicate insufcient
sensitivity. If this occurs, consult Section 6 Troubleshooting.
18. Dispose of the water, extraction solvent, cuvette and prescription bottle in a safe,
environmentally responsible manner, in accordance with your company’s procedures.
NOTE: For measurement of samples with expected concentrations near zero, see Section 6
Troubleshooting for suggestions on how to express the results.
For video tutorials on analyzing samples, see the How to Video Library on the Help & Settings
screen.