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611 Aqua Tester |
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| Model
611-A Aqua Tester with Magnifying Prism |
For Color of Water & Very Low Concentrations
Important Features:
- 15 times more sensitivity than
conventional comparator methods.
- Guaranteed permanent color standards.
- PMagnified side-by-side comparisons
of color standards and test samples.
- "No-Meniscus" Nessler
tube system. Polished plungers eliminate
annoying reflections from meniscus
curvature, makes color comparisons
easy.
- Built-in daylight-corrected lamp
assures accurate results.
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The most advanced visual instrument
for measuring color of water over 5 ranges
(APHA Pt-Co Color, ASTM D-1209), fluoride, and low chemical
concentrations of chlorine, ammonia, nitrogen, silica,
etc.
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The 611-A permits tests of
very low ranges not possible with ordinary comparator
methods by using special 200mm (about 8 in.) long Nessler
tubes to accentuate the colors under comparison. Tests
24 different low-ranges and the pH of pure water. |
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