MODEL 2100AN LABORATORY TURBIDIMETER INSTRUMENT ...

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SECTION 3, continued Table 2 Formazin Standard Preparation Standard Step 1 Step 2 Step 3 20 NTU 200 NTU 1000 NTU 4000 NTU 7500 NTU Ampule Add 100 mL of dilution water to a clean 200-mL class A volumetric flask Add50mLofdilutionwatertoa clean 100-mL class A volumetric flask Add50mLofdilutionwatertoa clean 100-mL class A volumetric flask Transfer approximately 30 mL of well mixed 4000-NTU Formazin stock solution to a clean sample cell. No dilution is required. Use in the sealed ampule as provided. DO NOT open the vial or use its contents as dilution stock. * Class A volumetric pipets can be used in place of a TenSette Pipet. With a TenSette ® * Pipet, add 1.00 mL of well-mixed 4000-NTU Formazin stock solution to the 200-mL flask. With a TenSette* Pipet, add 5.00 mL of well-mixed 4000-NTU Formazin stock solution to the 100-mL flask. With a TenSette* Pipet, add 25.00 mL of well-mixed 4000-NTU Formazin stock solution to the 100-mL flask. Note: Install each cell with the orientation mark aligned with the cell holder reference mark when using matched vials. 38 Dilute to the mark with dilution water. Stopper and mix. Dilute to the mark with dilution water. Stopper and mix. Dilute to the mark with dilution water. Stopper and mix.
SECTION 3, continued 3.2.4 Calibrating the <strong>2100AN</strong> (using Formazin Standards) 1. Insert the EPA filter module. Note: Clean the filter before performing a primary calibration, or at least every 3months(whichisthe USEPA recommended calibration frequency). Note: To clean the filter, use glass cleaner, lens cleaner, or isopropyl alcohol, and a cotton-tipped swab. 2. Press CAL/Zero. The CAL mode annunciator lights, and the small green LED digits in the mode display flashes 00. The NTU value of the dilution water used in the previous calibration is displayed. Note: Ratio on and Ratio off calibration data are measured and recorded simultaneously. Note: Calibration for EBC and NEPH units of measure is set automatically via the NTU calibration. Note: Upon entering the Calibration Mode, Automatic Range, Signal Averaging On, Ratio on and NTU units are automatically selected. Upon completion of calibration, all operational modes are restored to precalibration settings. 39 3. Fill a clean sample cell to the line (approx. 30 mL) with dilution water. Wipe the cell clean and apply a thin film of silicone oil (refer to Section 2.3.2 on page 18). Note: For best accuracy use matched sample cells for all measurements during calibration (refer to Section 2.3.4.2 on page 22). An alternative may be to use the same cell for all standards. Note: A portion of the same dilution water used for preparing standards must be used in this step. Note: To exit the calibration procedure at any time without changing any stored value, press UNITS/Exit. 4. Place the sample cell into the cell holder, and close the cell cover. Note: Install all matched vials with the orientation mark aligned with the cell holder reference mark.
Page 1 and 2: 47001-88 MODEL 2100AN LABORATORY TU
Page 3 and 4: TABLE OF CONTENTS TRADEMARKS OF HAC
Page 5: TABLE OF CONTENTS, continued SECTIO
Page 9: OPERATION DANGER Handling chemical
Page 12 and 13: SECTION 1, continued Figure 1 Optic
Page 15 and 16: SECTION 2 TURBIDITY MEASUREMENT 2.1
Page 17 and 18: SECTION 2, continued 9. Select the
Page 19 and 20: SECTION 2, continued 2.3.2.1 Silico
Page 21 and 22: SECTION 2, continued 1. Fill the cl
Page 23 and 24: SECTION 2, continued 2.3.5 Removing
Page 25 and 26: SECTION 2, continued 2.3.5.4 Applic
Page 27 and 28: SECTION 2, continued Figure 3 Filte
Page 29 and 30: SECTION 2, continued 2.3.8 Condensa
Page 31 and 32: SECTION 3 OPERATION 3.1 Operational
Page 33 and 34: SECTION 3, continued Item Name Desc
Page 35 and 36: SECTION 3, continued 3.1.7 Using th
Page 37: SECTION 3, continued 3.2.1 Formazin
Page 41 and 42: SECTION 3, continued 9. Fill a clea
Page 43 and 44: SECTION 3, continued 3.2.6 Formulat
Page 45: SECTION 3, continued 3.3.3 Preparin
Page 49 and 50: SECTION 5 USING FLOW-CELL SYSTEM AP
Page 51 and 52: SECTION 5, continued Figure 9 Manua
Page 53 and 54: SECTION 5, continued 5.2.1.2 Assemb
Page 55 and 56: SECTION 5, continued 5.2.2.2 Using
Page 57 and 58: SECTION 5, continued Note: Measurem
Page 59 and 60: SECTION 5, continued 5.2.3 Tips for
Page 61 and 62: SECTION 5, continued Figure 14 Comp
Page 63: SECTION 5, continued WARNING Use ey
Page 66 and 67: SECTION 6, continued 6.1.2 Setting
Page 68 and 69: SECTION 6, continued A. Baud Rate S
Page 70 and 71: SECTION 6, continued 6.4 Printer 6.
Page 72 and 73: SECTION 6, continued 6.4.2.4 Activa
Page 75: SECTION 7 INSTRUMENT CLOCK 7.1 Cloc
Page 79 and 80: SECTION 9 COLORIMETRIC MEASUREMENT
Page 81 and 82: SECTION 9, continued Before measuri
Page 83: SECTION 9, continued 9.2.2 Tips for
Page 86 and 87: SECTION 10, continued 10.2 Applicat
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SECTION 10, continued 9. The left d
Page 90 and 91:
SECTION 10, continued 10.5 Deleting
Page 93 and 94:
SECTION 11 MAINTENANCE 11.1 Cleanin
Page 95 and 96:
SECTION 12 TROUBLESHOOTING 12.1 Int
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SECTION 12, continued Code Display
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SECTION 13 REPLACEMENT PARTS AND AC
Page 101 and 102:
GENERAL INFORMATION At Hach Company
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HOW TO ORDER 103
Page 105 and 106:
WARRANTY Hach warrants most product
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107
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