Select Single Wavelength Options; Select Multi Wavelength Options; Select Time Course Options; Use An Operator Id - Hach DR 1900 User Manual

Select Single Wavelength options

1. Push SETTINGS>Photometer Functions>Single Wavelength>Options>Advanced Options.
2. Select the applicable options.
Option
λ
Concentration
Resolution
Save to User Programs Save the selected parameter as an unique user program. Select the name, unit,

Select Multi Wavelength options

1. Push SETTINGS>Photometer Functions>Multi Wavelength>Options>Advanced
Options>λ1–λ4.
2. Select the applicable options.
Option Description
Wavelength Select two or more wavelengths. Defaults: 400, 500, 700 or 800 nm.
Abs Formula Select the applicable absorbance formulas for the calculation of the multi-wavelength reading.
The formula specifies the wavelength and the coefficients.
Factors Select the multiplication factors for converting absorbance values into concentration values.

Select Time Course options

1. Push SETTINGS>Photometer Functions>Time Course>Options.
2. Select the applicable options.
Option
Total Minutes
Interval Seconds Enter the interval in seconds for the Time Course. Range: 10 to 600. Default: 30 seconds
Wavelength
Data Recall
Show Table
Exit

Use an operator ID

The operator ID tag associates readings with an individual operator. All stored data will include this
ID.
1. Push Options>Operator ID in the reading screen.
2. Select, create or delete an operator ID:
Option
Current ID
Description
Select a wavelength between 340 to 800 nm. Default: 560 nm
Select the applicable unit and enter the factor. Defaults: mg/L and 1.000
Select the resolution with the necessary number of decimal places. Default: 0.01
wavelength, resolution, chemical formulas 1–4, calibration formula, upper and
lower limit and the timer 1–4.
Description
Enter the total time in minutes for the Time Course. Range: 1 to 60. Default: 10 minutes
Select a wavelength between 340 and 800 nm. Default: 560 nm
Show the saved Time Course data.
Show the saved Time Course data in a table.
Exit the current menu.
Description
Select an ID from a list. The current ID will be associated with the sample data
until a different ID is selected.
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