Sample Material; System Description; Measuring Principle; Functional Principle Uryxxon ® Relax - Macherey-Nagel URYXXON Relax User Manual

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Manual URYXXON

Relax

2.5. Sample material

For suitable sample material refer to the instructions for use of the correspond-

ing test strips.

The test strip moves below a fixed measuring head on a sled with an embedded

reference pad. The reflectometric analysis of the test strip and the reference

field take place during withdrawal and release of the sled.

Pic. 5: Measuring Principle

The strip is illuminated with an LED and a detector registers the intensity of light

reflected by the test strip at three different wavelengths. Using an internal cali-

bration, the results are calculated from the reflection values. Whenever samples

are strongly alkaline, a density correction is automatically conducted.

2.6.2. Functional principle URYXXON

Relax

A measurement is started by placing a strip on the holder. If the Autostart-feature

is turned off, the measurement is started by pressing the start panel

the display. The result is shown on the display, printed out and released via the

interfaces after the measurement has been completed. After three minutes the

instrument will go to stand-by. Touching the screen will reactivate the instrument.

All user inputs are performed via the touch-screen (Chapter 3.11 "Use of the

instrument").

The following safety warnings are used throughout the manual:

- DANGER: defines a danger which can result in serious injury or death.

Manual URYXXON

Relax EN, V 5.00C / 06.19

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