Free Programming Program Type; Measurement Process - Hach DR 5000 User Manual

Spectrophotometer
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Advanced Operations

6.1.2 Free programming program type

Program point
Name
Version

Measurement Process

Formula
Variables
Timer 1, Timer 2,
Timer 3, Timer 4
6.1.2.1 Measurement process
72
Free Programming is an advanced option for entering original
user-developed methods. When the Free Programming option is
selected, an overview of the specifications of the programmed test
is displayed. Each input option can be modified to develop the user
method. Refer to
option, select the appropriate line and press Edit.
Important Note: Perform steps 1–6 of Programming a New User
Method
Programming.
Highlight the line containing the program point that is to be edited or
defined and press Edit.
Table 10 Definitions of the program points
Description
Name of the analysis parameter
An abbreviation or version number assigned by the user is entered here.
Exact definition of the test: the number of wavelengths at which measurements are made, the
number of absorbance measurements needed, the keys to be used, any waiting periods between
measurements, etc.
Definition of the formulas with which the test result is calculated.
The number of variables shown in the display depends on the definition of the measurement
process and the formulas. Input of the numerical values of the wavelengths, factors, constants,
etc.
Used to enter abbreviations and defined times for up to four timers. Highlight the appropriate line
and press Edit. The timers are activated or deactivated with the control boxes on the left of the
display. In the next column, a selection can be made from a list of names that describe the
corresponding work step. In the third column, the times for each active timer are entered.
The measurement process defines the handling and the
measurements of the test:
Table 10
for more information. To modify an input
(section 6.1.1 on page
At which and how many wavelengths should measurements be
completed
How many absorbance measurements must be completed?
When should the zero measurement and the sample
measurement be completed?
Are waiting times necessary between measurements?
61) before proceeding with Free

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