Hach POCKET COLORIMETER II Instruction Manual
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Hach POCKET COLORIMETER II Instruction Manual

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  • Page 1 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766...
  • Page 2 59572-88 客服：400 688 9809 POCKET COLORIMETER™ II ANALYSIS SYSTEMS INSTRUCTION MANUAL Ammonia Monochloramine © Hach Company, 2006. All rights reserved. Printed in the U.S.A. te/dk 12/06 3ed 网址：www.mamots.com 电话：0431-85178766...
  • Page 3 客服：400 688 9809 Important Note This manual is intended for use with the following Pocket Colorimeter™ II instruments: Ammonia Cat. No. 59530-40 Monochloramine Cat. No. 59530-14 The Pocket Colorimeter™ II instruments listed above are not interchangeable. 网址：www.mamots.com 电话：0431-85178766 1—2...

  • Page 4: Table Of Contents

    Table of Contents 客服：400 688 9809 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 Ammonia, Nitrogen ................... 1—17 Measuring Hints ....................
  • Page 5 Table of Contents, continued 客服：400 688 9809 Chloramine (Mono) ....................1—33 Measuring Hints ....................1—33 Sampling and Storage ..................1—38 Accuracy Check....................1—38 Method Performance ..................1—40 Standard Calibration Adjust Method..............1—41 Interferences ......................1—41 Summary of Method..................1—46 Replacement Parts.....................1—46 Instrument Operation ..................2—3 Key Functions......................2—3 Menu Selections ....................2—4 Switching Ranges....................2—4 Setting the Time ....................2—4 Recalling Stored Measurements ................2—5...
  • Page 6 Table of Contents, continued 客服：400 688 9809 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 ................
  • Page 7 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 1—6...

  • Page 8: Safety Precautions

    Safety Precautions 客服：400 688 9809 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 9: Precautionary Labels

    Safety Precautions, continued 客服：400 688 9809 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.

  • Page 10: Specifications

    Specifications 客服：400 688 9809 Lamp: Light emitting diode (LED) Detector: Silicon photodiode Photometric Precision: ± 0.0015 Abs Filter bandwidth: 15 nm Wavelength: 655 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 lbs) Sample cells: 25 mm (10 mL), 1 cm (10 mL) Operating conditions: 0 to 50 °C (32 to 122 °F);...
  • Page 11 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 1—10...
  • Page 12 OPERATION 客服：400 688 9809 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 13 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 1—12...

  • Page 14: Instrument Keys And Display

    Instrument Keys and Display 客服：400 688 9809 Item Description POWER/BACKLIGHT ZERO/SCROLL MENU Numeric Display Range Indicator Range Indicator Menu Indicator Calibration Adjusted Indicator Battery Low Indicator READ/ENTER 网址：www.mamots.com 电话：0431-85178766 1—13...

  • Page 15: Instrument Cap Cord

    Instrument Cap Cord 客服：400 688 9809 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 16 Instrument Cap Cord, continued 客服：400 688 9809 Figure 1 Attaching the Instrument Cap Cord 网址：www.mamots.com 电话：0431-85178766 1—15...
  • Page 17 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 1—16...

  • Page 18: Ammonia, Nitrogen

    Ammonia, Nitrogen (0.01 to 0.80 mg/L NH –N) 客服：400 688 9809 Method 8155 For water, wastewater, and seawater Salicylate Method* Measuring Hints • A green color will develop if ammonia nitrogen is present. • Wipe the cells before inserting into the sample cell compartment. Note: The Pocket Colorimeter™...
  • Page 19 Ammonia, Nitrogen, continued 客服：400 688 9809 Table 1 Recommended Sample Volumes Expected Concentration (mg/L NH –N) Sample Volume (mL) 0.01–0.80 No dilution necessary. Use 10.0 mL directly in step 3. 0.01–2.00 10.0 0.01–4.00 0.01–8.00 0.01–20.00 网址：www.mamots.com 电话：0431-85178766 1—18...
  • Page 20 Ammonia, Nitrogen, continued 客服：400 688 9809 Fill a 25-mL mixing Dilute to 25 mL with Fill a 10-mL sample cell graduated cylinder with the ammonia-free deionized with 10 mL of sample from appropriate sample volume water. Stopper and invert the graduated cylinder. This from Table 1.
  • Page 21 Ammonia, Nitrogen, continued 客服：400 688 9809 HRS MIN SEC HRS MIN SEC Fill a second 10-mL cell Add the contents of one Wait 3 minutes. with 10 mL of ammonia- Ammonia Salicylate Powder free deionized water. This Pillow to each cell. Cap and will become the blank.
  • Page 22 Ammonia, Nitrogen, continued 客服：400 688 9809 HRS MIN SEC HRS MIN SEC Add the contents of one Wait 15 minutes. After 15 minutes, invert Ammonia Cyanurate Powder both cells a few times to Pillow to each cell. Cap and mix. shake to dissolve.
  • Page 23 Ammonia, Nitrogen, continued 客服：400 688 9809 Press the Place the yellow- Cover the blank with POWER to turn the meter on. colored blank in the cell the instrument cap. holder. The arrow should indicate mg/L NH –N. page 2—4 Note: information on selecting the correct range channel.
  • Page 24 Ammonia, Nitrogen, continued 客服：400 688 9809 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 “0.00”. “- - -”, followed by results in the instrument cap.
  • Page 25 Ammonia, Nitrogen, continued 客服：400 688 9809 Table 2 Multiply the result Table 2 Multiplication Factors from step 15 by the appropriate factor from mL Used in Step 1 Multiplier Table if a dilution was used in steps 1-2. 10.0 Results may be Note: expressed as mg/L ammonia ) or mg/L ammonium...

  • Page 26: Sampling And Storage

    Ammonia, Nitrogen, continued 客服：400 688 9809 Sampling and Storage Collect samples in clean glass or plastic bottles. If chlorine is present, add one drop of 0.1 N Sodium Thiosulfate for each 0.3 mg/L Cl2 in a 1-liter sample. Preserve the sample by reducing the pH to 2 or less with sulfuric acid (at least 2 mL).

  • Page 27: Method Performance

    Ammonia, Nitrogen, continued 客服：400 688 9809 Standard Solution Method Prepare a 0.60 mg/L NH –N standard by pipetting 6.0 mL of a 10 mg/L Ammonia Nitrogen Standard into a 100-mL volumetric flask. Dilute to 100 mL with ammonia-free water. Use 10 mL of this 0.60 mg/L ammonia nitrogen standard directly in step 3 of the procedure.

  • Page 28: Interferences

    Ammonia, Nitrogen, continued 客服：400 688 9809 Interferences The following ions may interfere when present in concentrations exceeding those listed below: Calcium 1000 mg/L as CaCO Magnesium 6000 mg/L as CaCO – Nitrite 12 mg/L as NO –N – Nitrate 100 mg/L as NO –N 3–...
  • Page 29 Turbidity and sample color will give erroneous high values. Samples with severe interferences require distillation. Albuminoid nitrogen samples also require distillation. Hach recommends the distillation procedure using the Hach General Purpose Distillation Set. See Optional Apparatus on page 1—31.

  • Page 30: Summary Of Method

    Ammonia, Nitrogen, continued 客服：400 688 9809 Summary of Method Ammonia compounds combine with chlorine to form monochloramine. Monochloramine reacts with salicylate to form 5-aminosalicylate. The 5-aminosalicylate is oxidized in the presence of a sodium nitroprusside catalyst to form a blue-colored compound. The blue color is masked by the yellow color from the excess reagent present to give a final green-colored solution.
  • Page 31 Ammonia, Nitrogen, continued 客服：400 688 9809 Optional Reagents Description Units Cat. No. Nitrogen Ammonia Standard Solution (NIST), 10 mg/L as (NH –N) ..............500 mL ..153-49 Nitrogen Ammonia Voluette™ Ampules (NIST), 50 mg/L as (NH –N), 10 mL ............16/pkg ..14791-10 Sodium Hydroxide Standard Solution, 1.0 N ....100 mL MDB ..1045-32 Sodium Hydroxide Standard Solution, 5.0 N .......59 mL ..
  • Page 32 Ammonia, Nitrogen, continued 客服：400 688 9809 Optional Apparatus Description Units Cat. No. Cylinder, graduated, polypropylene, 500 mL ........each ..1081-49 Distillation Heater and Support Apparatus, 115 V ......each ..22744-00 Distillation Heater and Support Apparatus, 230 V......each ..22744-02 Distillation Set, General Purpose ............
  • Page 33 Ammonia, Nitrogen, continued 客服：400 688 9809 Replacement Parts Description Units Cat. No. Batteries, AAA, alkaline ..............4/pkg ..46743-00 Instrument Cap/light shield..............each ..59548-00 Instruction Manual, Ammonia/Monochloramine ......each ..59572-88 Sample Cell, 10-mL, with cap ............6/pkg ..24276-06 网址：www.mamots.com 电话：0431-85178766 1—32...

  • Page 34: Chloramine (Mono)

    Chloramine (Mono) (0.04 to 4.50 mg/L as Cl 客服：400 688 9809 Method 10171 For chloraminated drinking water and chlorinated wastewater Indophenol Method* Measuring Hints • Analyze samples immediately. Do not preserve for later analysis. Note: The Pocket Colorimeter™ II is designed to measure solutions contained in sample cells. dip the meter in the sample or pour the sample directly into the cell holder.
  • Page 35 Chloramine (Mono), continued 客服：400 688 9809 Press the key to Fill the 10-mL/1-cm cell Remove the instrument POWER turn the meter on. to the 10 mL line with cap and place the cell in the sample. cell holder with the triangle The arrow should indicate facing the keypad.
  • Page 36 Chloramine (Mono), continued 客服：400 688 9809 Cover the cell with the Press Fill another 10-mL/1-cm ZERO/SCROLL instrument cap. cell to the 10-mL line with The display will show sample. Add the contents of “- - - -” then “0.00”. one Monochlor-F Powder Remove the blank from the Pillow to the sample cell.
  • Page 37 Chloramine (Mono), continued 客服：400 688 9809 Cap the cell and shake Wait five minutes. Place Cover the cell with the for 20 seconds. the prepared sample in the instrument cap. cell holder. Samples colder than Note: 18 °C will require additional reaction time.
  • Page 38 Chloramine (Mono), continued 客服：400 688 9809 Press READ/ENTER The display will show “- - -” , followed by results in mg/L chlorine. 网址：www.mamots.com 电话：0431-85178766 1—37...

  • Page 39: Sampling And Storage

    Standard solutions for monochloramine are difficult and time-consuming to prepare. Errors can occur if attention to detail is not addressed during preparation of the standards. Hach Company prepares the calibration curve under rigorous analytical laboratory conditions. Hach recommends using the factory calibration.
  • Page 40 Chloramine (Mono), continued 客服：400 688 9809 information.) In addition, a user-generated calibration curve can be made and programmed into the Pocket Colorimeter™ II. See Calibration Procedure Using Prepared Standards on page 2—17 for more information about preparing a full calibration curve. Standard Solution Preparation 1.

  • Page 41: Method Performance

    Chloramine (Mono), continued 客服：400 688 9809 7. Calculate the amount of Chlorine Solution to be added to the ammonia standard using the following equation: mL chlorine solution required --------------------------------------------------------------- free chlorine concentration 8. Open an ampule and use a glass Mohr pipet to add the calculated amount of Chlorine Solution slowly to the ammonia standard, while mixing at medium speed on a stir-plate.

  • Page 42: Standard Calibration Adjust Method

    Chloramine (Mono), continued 客服：400 688 9809 Estimated Detection Limit EDL = 0.04 mg/L as Cl Standard Calibration Adjust Method To perform a standard calibration adjustment using the Standard Solution prepared above or using an alternative concentration, see Standard Calibration Adjust on page 2—13.
  • Page 43 Chloramine (Mono), continued 客服：400 688 9809 Table 1 Substances that Do Not Interfere (Continued) Substance Maximum Level Tested Bromine 15 mg/L Calcium 1000 mg/L CaCO Chloride 18,000 mg/L Chlorine Dioxide 5 mg/L ClO Chromium 5 mg/L Copper 10 mg/L Cyanide 10 mg/L Free Chlorine 10 mg/L as Cl...
  • Page 44 Chloramine (Mono), continued 客服：400 688 9809 Table 1 Substances that Do Not Interfere (Continued) Substance Maximum Level Tested Nitrate 100 mg/L as N Nitrite 50 mg/L as N Phosphate 100 mg/L PO Silica 100 mg/L SiO Silver 10 mg/L Sulfates 2600 mg/L Sulfite 50 mg/L SO...
  • Page 45 Chloramine (Mono), continued 客服：400 688 9809 The following may interfere when present at concentrations greater than listed: Table 2 Substances that May Interfere Interfering Substance and Positive or Negative Interference Level Recommended Treatment Effect Magnesium(+) Above 400 mg/L CaCO Add 5 drops Rochelle Salt solution before testing Manganese (−)
  • Page 46 Chloramine (Mono), continued 客服：400 688 9809 Color development time varies inversely with the temperature of the sample. Use this table to determine the minimum color development time for a sample. Table 3 Color Development Time Based on Sample Temperature Sample Temperature Time minutes °C °F...

  • Page 47: Summary Of Method

    Chloramine (Mono), continued 客服：400 688 9809 Table 3 Color Development Time Based on Sample Temperature (Continued) Sample Temperature Time minutes °C °F Summary of Method In the presence of a cyanoferrate catalyst, monochloramine in the sample reacts with a substituted phenol to form an intermediate monoimine compound. The intermediate couples with excess substituted phenol to form a green-colored indophenol, which is proportional to the amount of monochloramine present in the sample.
  • Page 48 Chloramine (Mono), continued 客服：400 688 9809 ® Required Apparatus (Using AccuVac Ampuls) Description Unit Cat. No. Sample Cell, 1-cm/10 mL..............2/pkg ..48643-02 Clippers (Shears).................. each ..23694-00 Optional Reagents Rochelle Salt Solution ...............29 mL DB ..1725-33 Organic Free Water ................ 500 mL ..26415-49 Buffer Powder Pillows ..............
  • Page 49 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 1—48...
  • Page 50 客服：400 688 9809 Section 2 Instrument Manual 网址：www.mamots.com 电话：0431-85178766 2—1...
  • Page 51 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 2—2...

  • Page 52: Instrument Operation

    Instrument Operation 客服：400 688 9809 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 53: Menu Selections

    Instrument Operation, continued 客服：400 688 9809 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.

  • Page 54: Recalling Stored Measurements

    Instrument Operation, continued 客服：400 688 9809 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 55: Battery Installation

    Instrument Operation, continued 客服：400 688 9809 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 56 Instrument Operation, continued 客服：400 688 9809 Figure 1 Battery Installation 网址：www.mamots.com 电话：0431-85178766 2—7...
  • Page 57 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 2—8...

  • Page 58: Error Codes

    Error Codes 客服：400 688 9809 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 59 Error Codes, continued 客服：400 688 9809 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 60 Error Codes, continued 客服：400 688 9809 • 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 61 Error Codes, continued 客服：400 688 9809 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 62: Standard Calibration Adjust

    Standard Calibration Adjust 客服：400 688 9809 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.
  • Page 63 Standard Calibration Adjust, continued 客服：400 688 9809 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 64: User-Entered Calibration

    User-Entered Calibration 客服：400 688 9809 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 65 User-Entered Calibration, continued 客服：400 688 9809 • 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 66: Calibration Procedure Using Prepared Standards

    User-Entered Calibration, continued 客服：400 688 9809 • 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 67 User-Entered Calibration, continued 客服：400 688 9809 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.
  • Page 68 User-Entered Calibration, continued 客服：400 688 9809 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.

  • Page 69: Entering A Predetermined Calibration Curve

    User-Entered Calibration, continued 客服：400 688 9809 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 70 User-Entered Calibration, continued 客服：400 688 9809 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 71: Editing A User-Entered Or Factory Calibration Curve

    User-Entered Calibration, continued 客服：400 688 9809 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 72 User-Entered Calibration, continued 客服：400 688 9809 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 73: Exiting The Calibration Routine

    User-Entered Calibration, continued 客服：400 688 9809 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...

  • Page 74: Retrieving The Factory Calibration

    User-Entered Calibration, continued 客服：400 688 9809 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 75: Maximum/Minimum Displayed Value

    User-Entered Calibration, continued 客服：400 688 9809 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...
  • Page 76 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. 网址：www.mamots.com 电话：0431-85178766 2—27...
  • Page 77 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 2—28...

  • Page 78: Certification

    Certification 客服：400 688 9809 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...
  • Page 79 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. 网址：www.mamots.com 电话：0431-85178766...
  • Page 80 Certification, continued 客服：400 688 9809 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 81 Certification, continued 客服：400 688 9809 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 82 客服：400 688 9809 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. 网址：www.mamots.com 电话：0431-85178766 2—33...
  • Page 83 客服：400 688 9809 网址：www.mamots.com 电话：0431-85178766 2—34...

  • Page 84: 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 85 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 86: Repair Service

    Repair Service 客服：400 688 9809 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.

  • Page 87: 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 88 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 网址：www.mamots.com...
  • Page 89 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.

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