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SECTION 1 DESCRIPTION
1.1 General Description
The Hach Model 2100P ISO Portable Turbidimeter (Figure 1) measures
turbidity from 0.01 to 1000 FNU in automatic range mode with
automatic decimal point placement. The manual range mode measures
turbidity in three ranges: 0.01–9.99, 10–99.9, and 100–1000 FNU. The
instrument operates on four AA alkaline batteries or with an optional
battery eliminator. Rechargeable nickel-cadmium cells may be used,
but cannot be recharged in the instrument. The carrying case holds teh
instrument, all standard accessories, and the optional battery eliminator.
Figure 1 2100P ISO Turbidimeter and Accessories
Note: Avoid prolonged exposure to ultraviolet light and sunlight.
Note: When taking a reading, place the instrument on a level, stationary surface. It
should not be held in the hand during measurement.
1.2 Accessories
Accessories supplied with the turbidimeter include nine sample
cells; three Gelex
®
Secondary Standards (included with 4474000 only);
one sealed vial each of:
<0.1-FNU, 20-FNU, 100-FNU, and 800-FNU StablCal
®
Stabilized