Display Backlight; Recall Of Stored Data; Measuring The Absorbance; Countdown - Tintometer AQUA LYTIC AL250 Instrucciones

Functional description
GB
!
!
AbS
!
Zero
Test
AL250_Urea_2 09/2010

Display backlight

Press the [ !] key to turn the display backlight on or off. The backlight
is switched off automatically during the measurement.

Recall of stored data

If the instrument is switched on, press the [ ! ] key for more than
4 seconds to access the recall menu.

Measuring the absorbance

This Mode function allows measurement of the absorbance at the speci-
fied wavelength. The result appears in the display in mAbs.
1000 mAbs = 1 A (Absorbance unit)
Abs1: = 660 nm
Countdown / reaction period
If a reaction period is included in a method a countdown function
can be used:
Press the [!] key and hold.
Press the [ZERO/TEST] key.
Release the [!] key; the countdown starts.
After the countdown is finished the measurement starts automati-
cally.
It is possible to interrupt the countdown by pressing the [ZERO/TEST]
key. Measurement starts immediately.
Caution:
An incomplete reaction period can lead to incorrect test
results.
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