27
CheckitDirect_Cl-Br-pH-CyA-TA-CaH_2 09/2010
GB
Functional description
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.
!
!
!
AbS
Measuring the absorbance
This Mode function allows measurement of the absorbance at the
specified wavelength. The result appears in the display in mAbs.
1000 mAbs = 1 A (Absorbance unit)
Abs1: = 528 nm
Abs2: = 605 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.
Zero
Test
Summary of Contents for CheckitDirect
Page 17: ...17 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 DE Methoden ...
Page 37: ...37 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 GB Methods ...
Page 57: ...57 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 FR Méthodes ...
Page 77: ...77 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 IT Mètodi ...
Page 97: ...97 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 ES Métodos ...
Page 103: ...103 CheckitDirect_Cl Br pH CyA TA CaH_2 09 2010 ...