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1 Description of the instrument
Your RQflex® plus 10 is a versatile, precise instrument. It is part of the
Reflectoquant® system with the components:
• instrument RQflex® plus 10
• Reflectoquant® tests
• test- and batch-specific bar-code strip
According to the principle of reflectometry (remission photometry), diffuse reflected
light from the test strip or after transmission through a cell is measured. Just as in
classical photometry, the difference in intensity of emitted and reflected light
allows a quantitative determination of the concentration of specific analytes.
Display and operation keys (buttons)
Operation keys (buttons) 1
Display for messages and information 2
Interface 3
For RQdata only (see page 22)
Do not use to connect an external power supply!
Lid 4
Test-method memory 5
Up to five test methods, e. g. nitrate, pH value, can be stored simultaneously.
Test methods are loaded by means of the bar-code strip.
Bar-code scanner 6
All information necessary to run the instrument is communicated via the bar-code
strip. The bar code contains information for wavelength correction and for the
batch-specific calibration curve.
When the instrument is switched on, all elements of the display are shown for
about one second. In this time the instrument runs a self-test. Ensure that all
functions, especially the multifunctional digit display, are shown correctly.
Time 7
Change of battery (LOW BAT) 8
Date 9
Symbols for measurement procedures 10
Test-method memory 11
Multifunctional display 12
CODE
MEM
SEC
1
8
12
7 9
10
11
2345
2
6
1
3
4
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