ALTANA Liquid Color Standards Short Instructions - Manual

269 020 584 E 0806
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ENGLISH
Liquid Color Standards
• Consists of sturdy rack with 18 tubes of colored fluids in numbered
positions
• A panel of frosted glass behind tubes provides background of
diffuse white light
• Two models are available:
without illumination  use sunlight from window or indoor light
with illumination  fluorescent tube behind glass panel
• Solutions are standardized at 25°C, but evaluations between 20°C
and 30°C are substantially correct
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 between standards which appear closest in color
• Determine if color appears equal to, slightly more, or slightly
less than color of adjoining standards
• 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
• Twist the lamp ¼ turn and lift it from the end fixtures
• Replace with a new lamp