17
SECTION 1, continued
extreme weather conditions. Verify the following are present (Figure
1):
• Model 2100P ISO Portable Turbidimeter
• Instrument Manual (with quick reference card)
• Set of StablCal Primary Standards in sealed vials, one each of:
<0.1 FNU*
20 FNU
100 FNU
800 FNU
• Standardization Kit containing Gelex Secondary Standards
(included with 4474000 only), 0-10, 0-100 and 0-1000 ranges plus
nine sample cells with caps.
• Silicone Oil, 15-mL (0.5 oz) dropping bottle
• Oiling Cloth
• Carrying Case
• Four AA alkaline batteries
If any of the items are missing or damaged, please contact the Customer
Service Department, Hach Company, Loveland, Colorado. The toll-free
number in the United States is 800-227-4224. International customers
should contact the Hach office or authorized distributor serving your
area. Refer to REPAIR SERVICE on page 63. Please do not return the
instrument without prior authorization from Hach.
1.4.2 Battery Installation
The instrument is shipped without the batteries installed. Before use,
install the four AA alkaline batteries (Figure 3) or connect the battery
eliminator. For battery operation:
1. Remove the battery compartment cover on the instrument bottom.
2. Install the batteries.
3. Correct battery polarity is shown on the battery holder. Reinstall the
battery compartment cover.
* Used in place of the dilution water standard when performing a
calibration.
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