English, Delta color comparator – ALTANA Liquid Color Standards Short Instructions User Manual
Page 2
Measure what you see.
Additives & Instruments
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ENGLISH
Delta Color Comparator
•
Consists of comparator with 18 precision glass standards and an
illuminator
•
Comparator is composed of two disks containing 9 optically polished
glass filters (color standards):
one wheel for odd and one for even numbers
•
The comparator without illumination is to be used with sunlight
from window or indoor light
How to determine color numbers?
How to replace the lamp?
•
The liquid to be tested must be transparent, non-cloudy
•
Pour test liquid into empty color comparison tube and properly
seal the tube
•
Insert tube in the channel between the two disks
•
Rotate color wheels until filter glass closest in color to the
liquid is in place
•
Express conclusion mathematically:
identical to 14
14
slightly darker than 14, much lighter than 15 14+
slightly lighter than 14
14-
between 14 and 15
14 - 15
•
Remove the power cord
•
Let the lamp cool down to avoid injuries
•
Open top cover by removing the screws
•
Unscrew light bulb and replace it with new one
Comparator
Illuminator