Drawell DV-8000 Series Podręcznik użytkownika - Strona 7
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△/100%T key has the following two functions：
a.
When in A or T mode, close the sample compartment, press the key and it will read
0.000ABS or 100.0 %T.
b.
To be used as the increase key (effective only in F mode). Press this key and the F
value will increase by 1. A long press will speed up the increase. The Maximum
Value of F is 1999.
Example
:
Let the F value be 1500.
Method I
Press MODE to set it at F mode.
a.
b.
If the current F value is 1000 , press the △/100%T key, until it goes up to 1500。
Press the PRINT key ， and the current F value shows 1500. Then C mode
c.
automatically appears. Suppose the A value measures 0.125, then the C value
reads 187.5.
Method II
Press MODE key to set it at F mode 。
a.
If the current F value is 2000 , press the
b.
the MODE key again to go to C mode. If the A value measures 0.125, then the C
value reads 187.5.
Operation Procedures
1.
Plug the instrument into a grounded outlet
2.
Turn the instrument on. Allow the instrument to warm up for at least 20 minutes.
3.
Set to desired wavelength with the Wavelength Knob, press the MODE key to
select T/A/C/F.
4.
If you want to know T value, press MODE key to change to "T" mode，fill one of
matched cuvettes with Blank Solution.
5.
Insert the Black Block into the first cuvette holder, close the sample
compartment cover, set 0.0%T by pressing the ▽/0%T key until display reads
"0.0.
6.
Pull the holder to make the Blank in the light path, set 100%T by pressing
the△/100%T key until display reads 100.0.
7.
Insert the sample solution to be measured into the cuvette holder. Close the
sample compartment cover. Then pull the sample to be measured into the light
path, read results directly on the digital display.
key， till it reaches 1500. Press
▽/0%T
6
DV-8000 USER'S MANUAL