Hach 59530-16 Instruction Manual
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Hach 59530-16 Instruction Manual

Hach 59530-16 Instruction Manual

Iron / molybdenum / ozone / zinc analysis systems
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59577-88
POCKET COLORIMETER™ II
ANALYSIS SYSTEMS
INSTRUCTION MANUAL
Iron
Molybdenum
Ozone
Zinc
© Hach Company, 2006. All rights reserved. Printed in the U.S.A.
te/dk 12/06 3ed

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  • Page 1 59577-88 POCKET COLORIMETER™ II ANALYSIS SYSTEMS INSTRUCTION MANUAL Iron Molybdenum Ozone Zinc © Hach Company, 2006. All rights reserved. Printed in the U.S.A. te/dk 12/06 3ed...
  • Page 2 Important Note This manual is intended for use with the following Pocket Colorimeter II instruments: Iron Cat. No. 59530-16 Molybdenum Cat. No. 59530-10 Ozone Cat. No. 59530-04 Zinc Cat. No. 59530-09 The Pocket Colorimeter II instruments listed above are not interchangeable.

  • Page 3: Table Of Contents

    Table of Contents Safety Precautions ....................1—7 Laboratory Safety ....................1—7 Use of Hazard Information................1—7 Precautionary Labels..................1—8 Specifications ......................1—9 Instrument Keys and Display ................1—13 Instrument Cap Cord ..................1—14 Iron, Total ....................... 1—17 Measuring Hints ....................1—17 Sampling and Storage..................
  • Page 4 Table of Contents, continued Molybdenum, Molybdate, LR .................1—33 Measuring Hints ....................1—33 Sampling and Storage ..................1—38 Accuracy Check....................1—38 Interferences ......................1—38 Summary of Method..................1—38 Replacement Parts.....................1—38 Molybdenum, Molybdate, HR .................1—39 Measuring Hints ....................1—39 Sampling and Storage ..................1—44 Accuracy Check....................1—44 Method Performance ..................1—45 Standard Calibration Adjust Method..............1—45 Interferences ......................1—46 Summary of Method..................1—49...
  • Page 5 Table of Contents, continued Accuracy Check ....................1—58 √ Spec ™ Secondary Standards for Instrument Verification ......1—59 Summary of Method ..................1—61 Reagents and Apparatus.................. 1—62 Zinc ........................... 1—63 Measuring Hints ....................1—63 Sampling and Storage..................1—68 Accuracy Check ....................1—68 Method Performance..................
  • Page 6 Table of Contents, continued Recalling Stored Measurements ................2—5 Battery Installation .....................2—6 Error Codes ......................2—9 Error Messages ....................2—9 Standard Calibration Adjust ................2—13 User-Entered Calibration .................2—15 Overview ......................2—15 Calibration Procedure Using Prepared Standards.........2—17 Entering a Predetermined Calibration Curve..........2—20 Editing a User-entered or Factory Calibration Curve........2—22 Exiting the Calibration Routine ..............2—24 Deleting Calibration Points................2—24 Retrieving the Factory Calibration ..............2—25...

  • Page 7: Safety Precautions

    Safety Precautions Please read this entire manual before unpacking, setting up, or operating this instrument. Pay particular attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment. To ensure the protection provided by this equipment is not impaired, do not use or install this equipment in any manner other than that which is specified in this manual.

  • Page 8: Precautionary Labels

    Safety Precautions, continued DANGER Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury. NOTE Information that requires special emphasis. Precautionary Labels Please pay particular attention to labels and tags attached to the instrument.

  • Page 9: Specifications

    Specifications Lamp: Light emitting diode (LED) Detector: Silicon photodiode Photometric precision: ± 0.0015 Abs Filter bandwidth: 15 nm Wavelength: 600 nm Absorbance range: 0–2.5 Abs Dimensions: 3.2 x 6.1 x 15.2 cm (1.25 x 2.4 x 6 inches) Weight: 0.2 kg (0.43 lb) ®...
  • Page 10 1—10...
  • Page 11 OPERATION DANGER Handling chemical samples, standards, and reagents can be dangerous. Review the necessary Material Safety Data Sheets and become familiar with all safety procedures before handling any chemicals. DANGER La manipulation des échantillons chimiques, étalons et réactifs peut être dangereuse. Lire les Fiches de Données de Sécurité...
  • Page 12 1—12...

  • Page 13: Instrument Keys And Display

    Instrument Keys and Display Item Description POWER/BACKLIGHT ZERO/SCROLL MENU Numeric Display Range Indicator Range Indicator Menu Indicator Calibration Adjusted Indicator Battery Low Indicator READ/ENTER 1—13...

  • Page 14: Instrument Cap Cord

    Instrument Cap Cord The instrument cap for the Pocket Colorimeter™ II doubles as a light shield. Accurate measurements cannot be obtained unless the sample or blank is covered with the cap. Use the instrument cap cord to secure the cap to the body of the colorimeter and prevent loss of the cap.
  • Page 15 Instrument Cap Cord, continued Figure 1 Attaching the Instrument Cap Cord 1—15...
  • Page 16 1—16...

  • Page 17: Iron, Total

    DO NOT * Adapted from G. Frederic Smith Chemical Co., 1980, The Iron Reagents, 3rd ed. ** See the Hach Water Analysis Handbook for further information concerning digestions. 1—17...
  • Page 18 Iron, Total, continued Using Powder Pillows HRS MIN SEC HRS MIN SEC Fill a 10-mL cell to the Add the contents of one Wait at least 3 minutes 10 mL line with sample. Iron TPTZ Reagent Powder for full color development Pillow to the cell (the before completing steps 4–...
  • Page 19 Iron, Total, continued Fill a second sample cell Press the key to Wipe the sample cells POWER with 10 mL of sample (the turn the meter on. free of liquid or fingerprints. blank). Any liquid entering the The arrow should indicate sample cell compartment mg/L Fe.
  • Page 20 Iron, Total, continued Place the blank in the Cover the blank with the Press ZERO/SCROLL cell holder. instrument cap. The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 1—20...
  • Page 21 Iron, Total, continued Place the prepared Cover the sample cell Press READ/ENTER sample in the cell holder. with the instrument cap. The display will show “- - - -” then “0.00”, followed by results in mg/L Iron. 1—21...
  • Page 22 Iron, Total, continued ® Using AccuVac Ampuls Fill a 10-mL cell to the Fill an Iron TPTZ Invert the ampule several 10 mL line with sample. Cap. Reagent AccuVac Ampul times to mix. Wipe off any Collect at least 40 mL of with sample.
  • Page 23 Iron, Total, continued HRS MIN SEC HRS MIN SEC Wait at least 3 minutes Press the key to Wipe the sample cells POWER for full color development turn the meter on. free of liquid or fingerprints. before completing steps 5– Any liquid entering the The arrow should indicate sample cell compartment...
  • Page 24 Iron, Total, continued Place the blank in the Cover the blank with the Press ZERO/SCROLL cell holder. instrument cap. The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 1—24...
  • Page 25 Iron, Total, continued Place the prepared Cover the sample cell Press READ/ENTER sample in the cell holder. with the instrument cap. The display will show “- - - -” then “0.00”, followed by results in mg/L Iron. 1—25...

  • Page 26: Sampling And Storage

    Iron, Total, continued Sampling and Storage Collect samples in acid-washed glass or plastic bottles. Adjust the sample pH to 2 or less with Nitric Acid (about 2 mL per L). Store samples preserved in this manner up to 6 months at room temperature. If reporting only dissolved iron, filter the sample immediately after collection and before addition of nitric acid.

  • Page 27: Standard Calibration Adjust Method

    Iron, Total, continued Note: For analysis with powder pillows, transfer only 10 mL of solution to 10-mL sample cells. Standard Solutions Method Use a 1.00 mg/L Iron Standard Solution in place of the sample. Perform the Total Iron procedure. Multiparameter standards that simulate typical drinking water concentrations without dilution are available to confirm tests.

  • Page 28: Interferences

    Iron, Total, continued Interferences A sample pH of less than 3 or greater than 4 after the addition of reagent may inhibit color formation, cause the developed color to fade quickly or result in turbidity. Before the addition of reagent, use a pH meter or pH paper to measure the pH in the sample.

  • Page 29: Summary Of Method

    Iron, Total, continued The following do not interfere with the test when present up to the levels listed: Element Interference level Element Interference level Cadmium 4.0 mg/L Manganese 50.0 mg/L (3+) Chromium 0.25 mg/L Mercury 0.4 mg/L (6+) Chromium 1.2 mg/L Molybdenum 4.0 mg/L Cobalt...

  • Page 30: Reagents And Apparatus

    Iron, Total, continued Reagents and Apparatus Required Reagents (Using Powder Pillows) Description Quantity Per Test Unit Cat. No. TPTZ Iron Reagent Powder Pillows, 10 mL size..........2 pillows....100/pkg ..26087-99 ® Required Reagents (Using AccuVac Ampuls) ® TPTZ Low Range Iron Reagent AccuVac Ampuls 1 ampul ....25/pkg ..25100-25 ®...
  • Page 31 Iron, Total, continued Optional Reagents Description Unit Cat. No. Hydrochloric Acid Solution, 1:1 6.0 N........500 mL ..884-49 Iron Standard Solution, 1 mg/L Fe..........500 mL ..139-49 Iron Standard Solution Voluette™ Ampules, 25 mg/L Fe, 10 mL ..............16/pkg ..14253-10 Nitric Acid, ACS ................
  • Page 32 Iron, Total, continued Optional Apparatus Description Unit Cat. No. ® AccuVac Snapper ................each ..24052-00 Beaker, 50 mL ..................each ..500-41H Cylinder, graduated 25 mL..............each ..1081-40 Dropper, graduated, 0.5 and 1.0 mL marks........10/pkg ..21247-20 pH Indicator Paper, 1 to 11 pH ..........5 rolls/pkg ..391-33 sens ™1 Basic Portable pH Meter, with electrode .....each ..51700-10 Pipet Filler, safety bulb...............each ..

  • Page 33: Molybdenum, Molybdate, Lr

    Molybdenum, Molybdate, LR (0.02 to 3.00 mg/L Mo) Method 8169 For boiler and cooling tower waters Ternary Complex Method Measuring Hints 2– • The results can be expressed as mg/L molybdate (MoO ) or mg/L sodium molybdate (NaMoO ) by multiplying the mg/L molybdenum (Mo ) result by 1.67 or 2.15, respectively.
  • Page 34 Molybdenum, Molybdate, LR, continued Press the key to Fill a 25-mL mixing Add the contents of one POWER turn the meter on. graduated cylinder to the Molybdenum 1 Reagent 20-mL mark with sample. Powder Pillow to the The arrow should indicate cylinder.
  • Page 35 Molybdenum, Molybdate, LR, continued Split the sample by filling Using the calibrated Wipe the sample cells two 10-mL sample cells to dropper, add 0.5 mL of free of liquid. Any liquid the 10-mL mark. Cap one of Molybdenum 2 to the entering the sample cell the cells, this is the blank.
  • Page 36 Molybdenum, Molybdate, LR, continued Place the blank in the Cover the blank with the Press ZERO/SCROLL cell holder. instrument cap. The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 1—36...
  • Page 37 Molybdenum, Molybdate, LR, continued Place the prepared Cover the sample cell Press READ/ENTER sample in the cell holder. with the instrument cap. The display will show “- - - -” then “0.00”, followed by results in mg/L Molybdenum. 1—37...

  • Page 38: Sampling And Storage

    Molybdenum, Molybdate, LR, continued Sampling and Storage Sampling and Storage on page 1—44. Accuracy Check Accuracy Check on page 1—44. Interferences Interferences on page 1—46. Summary of Method Summary of Method on page 1—49. Replacement Parts Replacement Parts on page 1—51 1—38...

  • Page 39: Molybdenum, Molybdate, Hr

    Molybdenum, Molybdate, HR (0.1 to 12.0 mg/L Mo) Method 8169 For boiler and cooling tower waters Ternary Complex Method Measuring Hints 2– • The results can be expressed as mg/L molybdate (MoO ) or mg/L sodium molybdate (NaMoO ) by multiplying the mg/L molybdenum (Mo ) result by 1.67 or 2.15, respectively.
  • Page 40 Molybdenum, Molybdate, HR, continued Press the key to Fill a 25-mL mixing Dilute to the 20-mL POWER turn the meter on. graduated cylinder to the mark with deionized water. 5-mL mark with sample. The arrow should indicate the high range channel (HR). Note: page 2—4 information on selecting the...
  • Page 41 Molybdenum, Molybdate, HR, continued Add the contents of one Split the sample by filling Using the calibrated Molybdenum 1 Reagent two 10-mL sample cells to dropper, add 0.5 mL of Powder Pillow to the the 10-mL mark. Cap one of Molybdenum 2 to the cylinder.
  • Page 42 Molybdenum, Molybdate, HR, continued Wipe the sample cells Place the blank in the Cover the blank with the free of liquid. Any liquid cell holder. instrument cap. entering the sample cell compartment can cause damage to the instrument. 1—42...
  • Page 43 Molybdenum, Molybdate, HR, continued Press Place the prepared Press ZERO/SCROLL READ/ENTER sample in the cell holder. The display will show The display will show Cover the sample cell with “- - -” then “0.0”. “- - - -” then “0.00”, the instrument cap.

  • Page 44: Sampling And Storage

    Molybdenum, Molybdate, HR, continued Sampling and Storage Collect samples in glass or plastic bottles. Accuracy Check Standard Additions Method 1. Snap the neck off a Molybdenum Standard Solution as Mo 75 mg/L Voluette® ampule. 2. Use a TenSette® Pipet to add 0.1 mL, 0.2 mL, and 0.3 mL of standard, respectively, to three 20-mL samples.

  • Page 45: Method Performance

    Molybdenum, Molybdate, HR, continued Method Performance Typical Precision (95% Confidence Interval): 2.00 ± 0.02 mg/L Mo (LR) 10.0 ± 0.1mg/L Mo (HR) Estimated Detection Limit: EDL = 0.02 mg/L Mo LR EDL = 0.1 mg/L Mo HR Standard Calibration Adjust Method To perform a standard calibration adjustment using the 2.00 and 10.0 molybdenum standard or using an alternate concentration, see Standard Calibration Adjust on...

  • Page 46: Interferences

    Large interferences are caused by some biocides common to cooling water tower samples. Hach recommends testing the procedure on molybdenum standards in the presence of the specific biocides in use to determine the feasibility of the ternary complex chemistry.
  • Page 47 Molybdenum, Molybdate, HR, continued Negative Interference: (Continued) Interferes at Interferes at (mg/L): (mg/L): AMP (Phosphonate) Iron Bicarbonate 5650 Lignin Sulfonate Bisulfite 3300 Nitrite Borate 5250 Orthophosphate 4500 Chloride 1400 Phosphonohydroxy- acetic acid Chromium (Cr 4.51 Sulfite 6500 Copper Read the molybdenum concentration immediately after the 2-minute reaction period has ended.
  • Page 48 Molybdenum, Molybdate, HR, continued Positive Interference: Highest Concentration Tested (mg/L): Benzotriazole Carbonate 1325 Silica No Interference: Highest Highest Concentration Concentration Tested (mg/L): Tested (mg/L): Bisulfate 9600 Nickel Calcium PBTC (phosphonate) Chlorine Sulfate 12800 Magnesium 8000 Zinc Manganese 1600 The presence of the phosphonate HEDP at concentrations up to 30 mg/L will increase the apparent molybdenum concentration reading by approximately 10% 1—48...

  • Page 49: Summary Of Method

    Molybdenum, Molybdate, HR, continued (positive interference). For these samples, multiply the value obtained in the final step of the procedure by 0.9 to obtain the actual molybdenum concentration. As the concentration of HEDP increases above 30 mg/L, a decrease in the molybdenum concentration reading occurs (negative interference).
  • Page 50 Molybdenum, Molybdate, HR, continued Required Reagents Description Unit Cat. No. Molybdenum, Molybdate Reagent Set, 20-mL sample................100 tests ..24494-00 Includes: Molybdenum 1 Reagent Powder Pillow, 100/pkg Molybdenum 2 Reagent Solution, 50 mL Optional Reagents Hydrochloric Acid Solution, 1:1, 6.0 N ........500 mL ..884-49 Molybdenum Standard Solution, 10 mg/L as Mo ......100 mL ..
  • Page 51 Molybdenum, Molybdate, HR, continued Optional Apparatus Cylinder, mixing, 25-mL..............each ..20886-40 Funnel, poly, 65-mm ................each ..1083-67 Filter paper, folded, 12.5-cm ............pkg/100 ..1894-57 Flask, volumetric, 50-mL ..............each ..14574-41 ® Pipet, TenSette , 0.1 to 1.0-mL ............each ..19700-01 Pipet, volumetric, 10-mL, Class A ............
  • Page 52 1—52...

  • Page 53: Ozone

    Ozone (0.01 to 0.25 mg/L O —LR and 0.01 to 0.75 mg/L O —MR) Method 8311 For water ® Indigo Method (Using AccuVac Ampuls)* Measuring Hints • Ozone sample cannot be stored, they must be analyzed immediately to avoid ozone loss. •...
  • Page 54 Ozone, continued Press the key to Gently collect at least 40 Collect at least 40 mL of POWER turn the meter on. mL of sample in a 50-mL ozone-free water (blank) in beaker. another 50-mL beaker. The arrow should indicate Note: Samples must be Note:...
  • Page 55 Ozone, continued Fill one Indigo Ozone Gently but quickly invert Place the blank in the Reagent AccuVac Ampul of both ampules several times cell holder. the appropriate range with to mix. Wipe off any liquid the sample and another or fingerprints. ampule with the blank.
  • Page 56 Ozone, continued Cover the blank with the Press Place the prepared ZERO/SCROLL instrument cap. sample into the cell holder. The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 1—56...
  • Page 57 Ozone, continued Cover the sample cell Press READ/ENTER with the instrument cap. The display will show “- - - -” then “0.00”, followed by results in mg/L Ozone (O 1—57...

  • Page 58: Sampling And Storage

    Ozone, continued Sampling and Storage The main consideration when collecting a sample is preventing the escape of ozone from the sample. The sample should be collected gently and analyzed immediately. Warming the sample or disturbing the sample by stirring or shaking will result in ozone loss.

  • Page 59: Spec√™ Secondary Standards For Instrument Verification

    Ozone, continued A user calibration or a user-prepared ozone standard may be required by a regulatory official or agency. Two options are available on the Pocket Colorimeter II to meet this requirement. An ozone standard may be prepared and used to validate the calibration curve using the Standard Calibration Adjust feature (see Standard Calibration Adjust on page...
  • Page 60 Ozone, continued Spec√ Secondary Standards are available to quickly check the repeatability of the Pocket Colorimeter II instrument. After initial measurements for the Spec√ standards are collected, the standards can be re-checked as often as desired to ensure the instrument is working consistently. The standards do not ensure reagent quality nor do they ensure the accuracy of the test results.

  • Page 61: Summary Of Method

    Ozone, continued 5. Repeat steps 1– 4 with cells labeled STD 2 and STD 3. 6. Compare these measurements with previous measurements to verify the instrument is performing consistently. (If these are the first measurements, record them for comparison with later measurements.) √...

  • Page 62: Reagents And Apparatus

    Ozone, continued Reagents and Apparatus Required Reagents Select one or both based on sample range: Description Unit Cat. No. ® Low Range Ozone AccuVac Ampuls, 0 to 0.25 mg/L....25/pkg ..25160-25 ® Mid-Range Ozone AccuVac Ampuls, 0 to 0.75 mg/L....25/pkg ..25170-25 ®...

  • Page 63: Zinc

    DO NOT * Adapted from Standard Methods for the Examination of Water and Wastewater, 15th ed. 244 (1980). ** Federal Register, 45(105) 36166 (May 29, 1980). See the Hach Water Analysis Handbook for further information concerning digestions. 1—63...
  • Page 64 Zinc, continued Press the key to Fill a 25-mL mixing Add the contents of one POWER ® turn the meter on. graduated cylinder to the ZincoVer 5 Reagent Powder 20-mL mark with sample. Pillow to the cylinder. The arrow should indicate Stopper the cylinder and mg/L Zn.
  • Page 65 Zinc, continued Measure 10 mL of the Use the calibrated Fill a clean 10-mL solution into a 10-mL dropper to add 0.5 mL of sample cell to the 10-mL sample cell (the blank) cyclohexanone to the mark with the solution in leaving exactly 10 mL in the sample remaining in the the mixing cylinder.
  • Page 66 Zinc, continued Place the blank in the Cover the blank with the Press ZERO/SCROLL cell holder. instrument cap. The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 1—66...
  • Page 67 Zinc, continued Place the prepared Cover the sample cell Press READ/ENTER sample in the cell holder. with the instrument cap. The display will show “- - - -” then “0.00”, followed by the results in mg/L Zn. 1—67...

  • Page 68: Sampling And Storage

    Zinc, continued Sampling and Storage Collect sample in acid-washed plastic or glass bottles. For storage, adjust the pH to 2 or less with nitric acid (about 2 mL per liter). The preserved samples can be stored for up to six months at room temperature. Adjust the pH to between 4 to 5 with 5.0 N Sodium Hydroxide before analysis.

  • Page 69: Method Performance

    Zinc, continued Standard Solution Method Prepare a 2.00 mg/L zinc standard by diluting 2.00 mL of Zinc Standard Solution, 100 mg/L as Zinc, to 100 mL. Use volumetric pipets and flasks. Perform the procedure as described above. Method Performance Typical Precision (95% Confidence Interval): 2.00 ±...

  • Page 70: Interferences

    Zinc, continued Interferences The following may interfere when present in concentrations exceeding those listed: Aluminum 6 mg/L Iron (ferric) 7 mg/L Cadmium 0.5 mg/L Manganese 5 mg/L Copper 5 mg/L Nickel 5 mg/L Large amounts of organic material may interfere. Digest the sample to eliminate this interference.

  • Page 71: Summary Of Method

    Zinc, continued Summary of Method Zinc and other metals in the sample are complexed with cyanide. The addition of cyclohexanone causes a selective release of zinc. The zinc then reacts with 2-carboxy-2'-hydroxy-5'-sulfoformazyl benzene (Zincon) indicator to form a blue-colored species. The blue color is masked by the brown color from the excess indicator.
  • Page 72 Zinc, continued Optional Reagents Description Cat. No. Hydrochloric Acid, 6.0 N.............. 500 mL ..884-49 Nitric Acid, 1:1 ................500 mL ..2540-49 Sodium Hydroxide Standard Solution, 5.0 N ....59 mL SCDB ..2450-26 Water, deionized ..................4 L ..272-56 Zinc Standard Solution, 100 mg/L ..........100 mL ..
  • Page 73 Section 2 Instrument Manual 2—1...
  • Page 74 2—2...

  • Page 75: Instrument Operation

    Instrument Operation Key Functions Description Function On/Off/Backlight POWER To turn on the backlight, turn on the instrument, then press and hold the power key until the backlight turns on. Press and hold again to turn off the backlight. This key functions the same in all instrument modes and ranges.

  • Page 76: Menu Selections

    Instrument Operation, continued Description Function Enter/Exit the menu mode MENU Press and hold for approximately 5 seconds to enter user-entered method mode. Menu Selections Press the key to access the menu selections. MENU Switching Ranges 1. Press the key. The display will show “SEL”. A flashing arrow indicates MENU the current range.

  • Page 77: Recalling Stored Measurements

    Instrument Operation, continued 2. Press . The digit to be edited will flash. READ/ENTER 3. Use the key to change the entry, then press ZERO/SCROLL READ/ENTER accept and advance to the next digit. The time is entered in 24-hour format. Recalling Stored Measurements 1.

  • Page 78: Battery Installation

    Instrument Operation, continued Battery Installation Figure 1 on page 2—7 provides an exploded view of battery installation. 1. Unhook the latch and remove the battery compartment cover. The polarities are shown on the battery holder. 2. Place the four batteries provided with the instrument in the holder as indicated and replace the battery compartment cover.
  • Page 79 Instrument Operation, continued Figure 1 Battery Installation 2—7...
  • Page 80 2—8...

  • Page 81: Error Codes

    Error Codes When the instrument cannot perform the function initiated by the operator, an error message will appear in the display. Refer to the appropriate message information below to determine what the problem is and how it can be corrected. Resolve error messages in the order that they appear on the display.
  • Page 82 Error Codes, continued 3. E-2 LED Error The LED (light source) is out of regulation. • Replace batteries. • Verify LED lights up (inside the cell holder) when the READ/ENTER key is pressed. ZERO/SCROLL • If the problem persists, contact a Service Center (page 2—37).
  • Page 83 Error Codes, continued • If the problem persists, contact a Service Center (page 2—37). 5. E-6 Abs Error (User mode) Indicates that the absorbance value is invalid, or indicates an attempt to make a curve with less than two points. •...
  • Page 84 Error Codes, continued 8. Underrange—flashing number below stated test range • Verify instrument cap is correctly seated. • Check zero by measuring a blank. If error recurs, re-zero the instrument. • If the problem persists, contact a Service Center (page 2—37).

  • Page 85: Standard Calibration Adjust

    Standard Calibration Adjust The Pocket Colorimeter™ II instrument is factory-calibrated and ready for use without user calibration. Use of the factory calibration is recommended unless the user is required to generate a calibration. The Standard Calibration Adjust can be used to meet regulatory requirements. This feature allows the factory default calibration curve to be adjusted with a known standard.
  • Page 86 Standard Calibration Adjust, continued 7. Press to access the Edit function, then press ZERO/SCROLL READ/ENTER begin editing. The digit to be edited will flash. Use the key to ZERO/SCROLL change the entry, then press to accept and advance to the READ/ENTER next digit.

  • Page 87: User-Entered Calibration

    User-Entered Calibration Overview The Pocket Colorimeter™ II will accept a user-prepared calibration curve. The curve can extend from 0 to 2.5 absorbance. A user-prepared calibration curve may be entered into any channel that does not contain a factory-programmed curve. These channels are labeled “abs”...
  • Page 88 User-Entered Calibration, continued • CAL—Used to enter and edit standard values and measure absorbance values, or review the existing calibration. • Edit—Used to enter and edit standard values and absorbance values with the keypad or review the existing calibration. Used to enter a predetermined calibration curve.

  • Page 89: Calibration Procedure Using Prepared Standards

    User-Entered Calibration, continued • Once in the CAL or Edit option, press the key to navigate through READ/ENTER each option. Note: Press to quickly scroll through each option. ZERO/SCROLL Calibration Procedure Using Prepared Standards Note: Deionized water or a reagent blank can be used to zero during the calibration procedure. Calibrations generated with deionized water as the zero will give less accurate results if the reagent blank is significantly more turbid or colored than deionized water.
  • Page 90 User-Entered Calibration, continued 3. Insert the reagent blank or deionized water into the meter and cover with the cap. Press the key. The meter will display “- - - -”, followed by ZERO/SCROLL “0.000”. This initializes (zeroes) the meter. 4. Press the key and hold it down until the display shows “USER”, followed MENU by “CAL”.
  • Page 91 User-Entered Calibration, continued 9. Insert the reagent blank or deionized water into the cell holder. Cover the blank with the instrument cap. 10. Press the key. The meter will measure and display the absorbance READ/ENTER value for “S0”. 11. Remove the sample blank. Press the key.

  • Page 92: Entering A Predetermined Calibration Curve

    User-Entered Calibration, continued 16. Press the key twice to exit and accept the changes. The instrument will MENU use this calibration to determine the displayed concentration of future sample measurements. Entering a Predetermined Calibration Curve Note: Entering a predetermined calibration curve requires at least two data pairs. Each data pair requires a concentration value and the absorbance value for the given concentration.
  • Page 93 User-Entered Calibration, continued 4. Enter the concentration value and absorbance value of the first data pair (S0, A0). 5. To enter the S0 value, press . Use the key to select READ/ENTER ZERO/SCROLL the numerical value, then press the key to accept the entry and READ/ENTER advance to the next decimal place.

  • Page 94: Editing A User-Entered Or Factory Calibration Curve

    User-Entered Calibration, continued 10. When all the calibration data has been entered, press twice to return to MENU the measurement mode. Editing a User-entered or Factory Calibration Curve 1. Press the key and hold it down until the display shows “USER”, followed MENU by “CAL”.
  • Page 95 User-Entered Calibration, continued 4. Press . The current concentration value for S0 will appear on the READ/ENTER display. 5. To edit the S0 value, press . Use the key to select the READ/ENTER ZERO/SCROLL numerical value, then press the key to accept the entry and READ/ENTER advance to the next decimal place.

  • Page 96: Exiting The Calibration Routine

    User-Entered Calibration, continued 11. Press to add more calibration points, or press twice to READ/ENTER MENU return to the measurement mode. Note: When a factory calibration curve has been edited, the “calibration adjust” icon will appear in the display. Exiting the Calibration Routine Exit the calibration routine by pressing the key to return to measurement MENU...

  • Page 97: Retrieving The Factory Calibration

    User-Entered Calibration, continued 4. The left digit will flash. Press until “dEL” appears. (“dEL” will ZERO/SCROLL appear after the numeral 9.) 5. Press to delete. Repeat for all points to be deleted. READ/ENTER Note: The minimum number of valid points is two. For example, if five points have been entered, three can be deleted using this feature.

  • Page 98: Maximum/Minimum Displayed Value

    User-Entered Calibration, continued Note: For meters with factory-calibrated ranges or methods, Standard Calibration Adjust (SCA) will be disabled when a user-entered method is programmed into the meter. To turn SCA back on, restore the meter to factory default calibration. Maximum/Minimum Displayed Value In meters with absorbance (Abs) ranges, the maximum displayed value and minimum displayed value is related to the value of the standards entered in a user calibration.
  • Page 99 Example 2 For a calibration with the following standards: S0=1.00 S1=2.00 S2=4.00 Maximum Displayed Value 4.00 Minimum Displayed Value 1.00 For Hach-calibrated programs, the maximum and minimum displayed values always equal the factory-calibrated values and cannot be changed. 2—27...
  • Page 100 2—28...

  • Page 101: Certification

    Certification Hach Company certifies this instrument was tested thoroughly, inspected, and found to meet its published specifications when it was shipped from the factory. The Pocket Colorimeter™ II instrument has been tested and is certified as indicated to the following instrumentation standards:...
  • Page 102 Interference-causing Equipment Regulations. Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. FCC Part 15, Class “A” Limits: Supporting test records from Hach EMC Test Facility, certified compliance by Hach Company. 2—30...
  • Page 103 Certification, continued This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
  • Page 104 Certification, continued 1. Remove power from the Pocket Colorimeter instrument by removing one of its batteries to verify that it is or is not the source of the interference. 2. Move the Pocket Colorimeter instrument away from the device receiving the interference.

  • Page 105: General Information

    GENERAL INFORMATION At Hach Company, customer service is an important part of every product we make. With that in mind, we have compiled the following information for your convenience. 2—33...
  • Page 106 2—34...

  • Page 107: How To Order

    (800) 227-HACH (800-227-4224) Loveland, Colorado 80539-0389 U.S.A. By FAX: For order information by E-mail: (970) 669-2932 (Hach Loveland) orders@www.hach.com Information Required: • • Hach account number (if available) Purchase order number • • Billing address Catalog number • • Shipping address Brief description or model number •...
  • Page 108 Call 1-800-227-4224 or E-mail techhelp@hach.com. International Customers Hach maintains a worldwide network of dealers and distributors. To locate the representative nearest you, send E-mail to intl@hach. com or call (970) 669-3050. In Canada Hach Instrument Service Centre, Winnipeg, Manitoba, Canada Telephone: (204) 632-5598;...

  • Page 109: Repair Service

    Repair Service Authorization must be obtained from Hach Company before sending any items for repair. Please contact the Hach Service Center serving your location. In the United States: Canada: Hach Company Hach Sales & Service Canada Ltd. 100 Dayton Avenue...

  • Page 110: Warranty

    In the event that a defect is discovered during the warranty period, Hach Company agrees that, at its option, it will repair or replace the defective product or refund the purchase price, excluding original shipping and handling charges.
  • Page 111 Hach Company • any product not used in accordance with the instructions furnished by Hach Company • freight charges to return merchandise to Hach Company • freight charges on expedited or express shipment of warranted parts or product • travel fees associated with on-site warranty repair...
  • Page 112 On the basis of strict liability or under any other legal theory, in no event shall Hach Company be liable for any incidental or consequential damages of any kind for breach of warranty or negligence.

This manual is also suitable for:

59530-0959530-1059530-04Pocket colorimeter ii

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