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Hach 59530-04 Instruction Manual

Manual is about: Iron / Molybdenum / Ozone / Zinc Analysis Systems

Summary of 59530-04

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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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    1—2 important note this manual is intended for use with the following pocket colorimeter ii instruments: the pocket colorimeter ii instruments listed above are not interchangeable. Iron cat. No. 59530-16 molybdenum cat. No. 59530-10 ozone cat. No. 59530-04 zinc cat. No. 59530-09.

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    1—3 table of contents safety precautions ............................................................................................... 1—7 laboratory safety ............................................................................................... 1—7 use of hazard information...................

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    1—4 table of contents, continued molybdenum, molybdate, lr .........................................................................1—33 measuring hints ................................................................................................1—33 sampling and storage ............................

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    1—5 table of contents, continued accuracy check ................................................................................................ 1—58 spec √ ™ secondary standards for instrument verification ......................... 1—59 summary of method ...............................................

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    1—6 table of contents, continued recalling stored measurements ........................................................................2—5 battery installation .............................................................................................2—6 error codes ..................................

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    1—7 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 provid...

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    1—8 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 e...

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    1—9 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) sample cells: 25 mm (10 ml), ac...

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    1—10

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    1—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 d...

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    1—12.

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    1—13 instrument keys and display item description 1 power/backlight key 2 zero/scroll key 3 menu key 4 numeric display 5 range indicator 6 range indicator 7 menu indicator 8 calibration adjusted indicator 9 battery low indicator 10 read/enter key.

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    1—14 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....

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    1—15 instrument cap cord, continued figure 1 attaching the instrument cap cord.

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    1—16.

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    1—17 iron, total (0.01 to 1.70 mg/l fe) method 8112 for water, wastewater, and seawater tptz method* measuring hints • testing generally does not require digestion, however if the sample contains particulate matter, digestion is required for total iron measurement.** • if samples cannot be analyzed ...

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    1—18 iron, total, continued using powder pillows 1. Fill a 10-ml cell to the 10 ml line with sample. 2. Add the contents of one iron tptz reagent powder pillow to the cell (the prepared sample). Cap and shake for 30 seconds. 3. Wait at least 3 minutes for full color development before completing ste...

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    1—19 iron, total, continued 4. Fill a second sample cell with 10 ml of sample (the blank). 5. Press the power key to turn the meter on. The arrow should indicate mg/l fe. Note: see page 2—4 for information on selecting the correct range channel. 6. Wipe the sample cells free of liquid or fingerprint...

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    1—20 iron, total, continued 7. Place the blank in the cell holder. 8. Cover the blank with the instrument cap. 9. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder..

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    1—21 iron, total, continued 10. Place the prepared sample in the cell holder. 11. Cover the sample cell with the instrument cap. 12. Press read/enter . The display will show “- - - -” then “0.00”, followed by results in mg/l iron..

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    1—22 iron, total, continued using accuvac ® ampuls 1. Fill a 10-ml cell to the 10 ml line with sample. Cap. Collect at least 40 ml of sample in a 50-ml beaker. 2. Fill an iron tptz reagent accuvac ampul with sample. Note: keep the tip of the ampule immersed until the ampule fills completely. 3. Inve...

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    1—23 iron, total, continued 4. Wait at least 3 minutes for full color development before completing steps 5– 12. 5. Press the power key to turn the meter on. The arrow should indicate mg/l fe. Note: see page 2—4 for information on selecting the correct range channel. 6. Wipe the sample cells free of...

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    1—24 iron, total, continued 7. Place the blank in the cell holder. 8. Cover the blank with the instrument cap. 9. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder..

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    1—25 iron, total, continued 10. Place the prepared sample in the cell holder. 11. Cover the sample cell with the instrument cap. 12. Press read/enter . The display will show “- - - -” then “0.00”, followed by results in mg/l iron..

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    1—26 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 sam...

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    1—27 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 drinkin...

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    1—28 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 samp...

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    1—29 iron, total, continued the following do not interfere with the test when present up to the levels listed: summary of method the tptz iron reagent forms a deep blue-purple color with ferrous iron. The indicator is combined with a reducing agent which converts precipitated or suspended iron, such...

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    1—30 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 (us...

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    1—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 solutio...

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    1—32 iron, total, continued optional apparatus description unit cat. No. Accuvac ® snapper ...............................................................................Each .... 24052-00 beaker, 50 ml ......................................................................................Each .........

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    1—33 molybdenum, molybdate, lr (0.02 to 3.00 mg/l mo) method 8169 for boiler and cooling tower waters ternary complex method measuring hints • the results can be expressed as mg/l molybdate (moo 4 2– ) or mg/l sodium molybdate (namoo 4 ) by multiplying the mg/l molybdenum (mo 6+ ) result by 1.67 or ...

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    1—34 molybdenum, molybdate, lr, continued 1. Press the power key to turn the meter on. The arrow should indicate the low range channel (lr). Note: see page 2—4 for information on selecting the correct range channel. 2. Fill a 25-ml mixing graduated cylinder to the 20-ml mark with sample. 3. Add the ...

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    1—35 molybdenum, molybdate, lr, continued 4. Split the sample by filling two 10-ml sample cells to the 10-ml mark. Cap one of the cells, this is the blank. Note: exactly 10 ml is not critical for the blank. Make sure the other cell contains 10 ml. 5. Using the calibrated dropper, add 0.5 ml of molyb...

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    1—36 molybdenum, molybdate, lr, continued 7. Place the blank in the cell holder. 8. Cover the blank with the instrument cap. 9. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder..

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    1—37 molybdenum, molybdate, lr, continued 10. Place the prepared sample in the cell holder. 11. Cover the sample cell with the instrument cap. 12. Press read/enter . The display will show “- - - -” then “0.00”, followed by results in mg/l molybdenum..

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    1—38 molybdenum, molybdate, lr, continued sampling and storage see sampling and storage on page 1—44 . Accuracy check see accuracy check on page 1—44 . Interferences see interferences on page 1—46 . Summary of method see summary of method on page 1—49 . Replacement parts replacement parts on page 1—...

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    1—39 molybdenum, molybdate, hr (0.1 to 12.0 mg/l mo) method 8169 for boiler and cooling tower waters ternary complex method measuring hints • the results can be expressed as mg/l molybdate (moo 4 2– ) or mg/l sodium molybdate (namoo 4 ) by multiplying the mg/l molybdenum (mo 6+ ) result by 1.67 or 2...

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    1—40 molybdenum, molybdate, hr, continued 1. Press the power key to turn the meter on. The arrow should indicate the high range channel (hr). Note: see page 2—4 for information on selecting the correct range channel. 2. Fill a 25-ml mixing graduated cylinder to the 5-ml mark with sample. 3. Dilute t...

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    1—41 molybdenum, molybdate, hr, continued 4. Add the contents of one molybdenum 1 reagent powder pillow to the cylinder. Stopper the cylinder and invert or gently shake until all particles are dissolved. 5. Split the sample by filling two 10-ml sample cells to the 10-ml mark. Cap one of the cells, t...

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    1—42 molybdenum, molybdate, hr, continued 7. Wipe the sample cells free of liquid. Any liquid entering the sample cell compartment can cause damage to the instrument. 8. Place the blank in the cell holder. 9. Cover the blank with the instrument cap..

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    1—43 molybdenum, molybdate, hr, continued 10. Press zero/scroll . The display will show “- - -” then “0.0”. Remove the blank from the cell holder. 11. Place the prepared sample in the cell holder. Cover the sample cell with the instrument cap. 12. Press read/enter . The display will show “- - - -” t...

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    1—44 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 stand...

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    1—45 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 adjustm...

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    1—46 molybdenum, molybdate, hr, continued interferences interference studies were conducted by preparing a molybdenum standard solution (2 mg/l mo 6+ ) as well as a solution of the potential interfering ion. When the standard solution concentration changed by ± 5% with a given ion concentration, the...

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    1—47 molybdenum, molybdate, hr, continued amp (phosphonate) 15 iron 200 bicarbonate 5650 lignin sulfonate 105 bisulfite 3300 nitrite 350 1 borate 5250 orthophosphate 4500 chloride 1400 phosphonohydroxy- acetic acid 32 chromium (cr 6+ ) 4.51 sulfite 6500 copper 98 1 read the molybdenum concentration ...

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    1—48 molybdenum, molybdate, hr, continued the presence of the phosphonate hedp at concentrations up to 30 mg/l will increase the apparent molybdenum concentration reading by approximately 10% positive interference: ion highest concentration tested (mg/l): benzotriazole 210 carbonate 1325 silica 600 ...

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    1—49 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 ...

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    1—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 ...

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    1—51 molybdenum, molybdate, hr, continued optional apparatus cylinder, mixing, 25-ml.................................................................... Each .....20886-40 funnel, poly, 65-mm .......................................................................... Each ....... 1083-67 filter paper...

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    1—52.

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    1—53 ozone (0.01 to 0.25 mg/l o 3 —lr and 0.01 to 0.75 mg/l o 3 —mr) for water method 8311 indigo method (using accuvac ® ampuls)* measuring hints • ozone sample cannot be stored, they must be analyzed immediately to avoid ozone loss. • for best results, clean collection containers after each use. •...

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    1—54 ozone, continued 1. Press the power key to turn the meter on. The arrow should indicate lr when using the low range ampules or should indicate mr when using the mid-range ampules. Note: see page 2—4 for information on selecting the correct range channel. 2. Gently collect at least 40 ml of samp...

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    1—55 ozone, continued 4. Fill one indigo ozone reagent accuvac ampul of the appropriate range with the sample and another ampule with the blank. Keep the tip immersed while the ampule fills completely. 5. Gently but quickly invert both ampules several times to mix. Wipe off any liquid or fingerprint...

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    1—56 ozone, continued 7. Cover the blank with the instrument cap. 8. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 9. Place the prepared sample into the cell holder..

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    1—57 ozone, continued 10. Cover the sample cell with the instrument cap. 11. Press read/enter . The display will show “- - - -” then “0.00”, followed by results in mg/l ozone (o 3 )..

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    1—58 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. ...

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    1—59 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 stand...

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    1—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 consis...

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    1—61 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.) note: if the instrum...

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    1—62 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: 1—63

    1—63 zinc (0.02 to 3.00 mg/l zn) for water and wastewater method 8009 zincon method* usepa approved for wastewater (digestion required)** measuring hints caution! The reagent used in step 3 contains cyanide and is very poisonous if taken internally or if the vapors are inhaled. Do not add to a sampl...

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    1—64 zinc, continued 1. Press the power key to turn the meter on. The arrow should indicate mg/l zn. Note: see page 2—4 for information on selecting the correct channel. 2. Fill a 25-ml mixing graduated cylinder to the 20-ml mark with sample. 3. Add the contents of one zincover ® 5 reagent powder pi...

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    1—65 zinc, continued 4. Measure 10 ml of the solution into a 10-ml sample cell (the blank) leaving exactly 10 ml in the mixing cylinder. 5. Use the calibrated dropper to add 0.5 ml of cyclohexanone to the sample remaining in the mixing cylinder. Stopper and shake for 30 seconds. Wait three minutes b...

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    1—66 zinc, continued 7. Place the blank in the cell holder. 8. Cover the blank with the instrument cap. 9. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder..

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    1—67 zinc, continued 10. Place the prepared sample in the cell holder. 11. Cover the sample cell with the instrument cap. 12. Press read/enter . The display will show “- - - -” then “0.00”, followed by the results in mg/l zn..

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    1—68 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 ...

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    1—69 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...

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    1—70 zinc, continued interferences the following may interfere when present in concentrations exceeding those listed: large amounts of organic material may interfere. Digest the sample to eliminate this interference. Highly buffered samples or extreme sample ph may exceed the buffering capacity of t...

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    1—71 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...

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    1—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 hydr...

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    2—1 section 2 instrument manual.

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    2—2.

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    2—3 instrument operation key functions key description function power on/off/backlight 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...

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    2—4 instrument operation, continued menu selections press the menu key to access the menu selections. Switching ranges 1. Press the menu key. The display will show “sel”. A flashing arrow indicates the current range. 2. Press the read/enter key to toggle between ranges. 3. Press menu again to accept...

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    2—5 instrument operation, continued 2. Press read/enter . The digit to be edited will flash. 3. Use the zero/scroll key to change the entry, then press read/enter to accept and advance to the next digit. The time is entered in 24-hour format. Recalling stored measurements 1. Press the menu key, then...

  • Page 78: 2—6

    2—6 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 t...

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    2—7 instrument operation, continued figure 1 battery installation.

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    2—8.

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    2—9 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 appea...

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    2—10 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 or zero/scroll key is pressed. • if the problem persists, contact a service center ( page 2—37 ). Note: when an e-1 or e-...

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    2—11 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. • enter or measure the absorbance value again. • if the probl...

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    2—12 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 ). Note: see maximum/minimum disp...

  • Page 85: 2—13

    2—13 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...

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    2—14 standard calibration adjust, continued 7. Press zero/scroll to access the edit function, then press read/enter to begin editing. The digit to be edited will flash. Use the zero/scroll key to change the entry, then press read/enter to accept and advance to the next digit. When the last digit is ...

  • Page 87: 2—15

    2—15 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 label...

  • Page 88: 2—16

    2—16 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 predetermin...

  • Page 89: 2—17

    2—17 user-entered calibration, continued • once in the cal or edit option, press the read/enter key to navigate through each option. Note: press zero/scroll to quickly scroll through each option. Calibration procedure using prepared standards note: deionized water or a reagent blank can be used to z...

  • Page 90: 2—18

    2—18 user-entered calibration, continued 3. Insert the reagent blank or deionized water into the meter and cover with the cap. Press the zero/scroll key. The meter will display “- - - -”, followed by “0.000”. This initializes (zeroes) the meter. 4. Press the menu key and hold it down until the displ...

  • Page 91: 2—19

    2—19 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 read/enter key. The meter will measure and display the absorbance value for “s0”. 11. Remove the sample blank. Press the zero/scroll ke...

  • Page 92: 2—20

    2—20 user-entered calibration, continued 16. Press the menu key twice to exit and accept the changes. The instrument will use this calibration to determine the displayed concentration of future sample measurements. Entering a predetermined calibration curve note: entering a predetermined calibration...

  • Page 93: 2—21

    2—21 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 read/enter . Use the zero/scroll key to select the numerical value, then press the read/enter key to accept the entry and advance to the nex...

  • Page 94: 2—22

    2—22 user-entered calibration, continued 10. When all the calibration data has been entered, press menu twice to return to the measurement mode. Editing a user-entered or factory calibration curve 1. Press the menu key and hold it down until the display shows “user”, followed by “cal”. Press zero/sc...

  • Page 95: 2—23

    2—23 user-entered calibration, continued 4. Press read/enter . The current concentration value for s0 will appear on the display. 5. To edit the s0 value, press read/enter . Use the zero/scroll key to select the numerical value, then press the read/enter key to accept the entry and advance to the ne...

  • Page 96: 2—24

    2—24 user-entered calibration, continued 11. Press read/enter to add more calibration points, or press menu twice to 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 ...

  • Page 97: 2—25

    2—25 user-entered calibration, continued 4. The left digit will flash. Press zero/scroll until “del” appears. (“del” will appear after the numeral 9.) 5. Press read/enter to delete. Repeat for all points to be deleted. Note: the minimum number of valid points is two. For example, if five points have...

  • Page 98: 2—26

    2—26 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 disp...

  • Page 99: 2—27

    2—27 user-entered calibration, continued example 2 for a calibration with the following standards: s0=1.00 s1=2.00 s2=4.00 for hach-calibrated programs, the maximum and minimum displayed values always equal the factory-calibrated values and cannot be changed. Maximum displayed value 4.00 minimum dis...

  • Page 100: 2—28

    2—28.

  • Page 101: 2—29

    2—29 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 standa...

  • Page 102: 2—30

    2—30 certification, continued (criteria a) radio frequency emissions: per 89/ 336/ eec emc: en 61326: 1998 (electrical equipment for measurement, control and laboratory use—emc requirements) “class b” emission limits. Supporting test records from hach emc test facility, certified compliance by hach ...

  • Page 103: 2—31

    2—31 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 opera...

  • Page 104: 2—32

    2—32 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. 3. Reposition the receiving ...

  • Page 105: 2—33

    2—33 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. General information.

  • Page 106: 2—34

    2—34.

  • Page 107: 2—35

    2—35 how to order by telephone: by mail: 6:30 a.M. To 5:00 p.M. Mst hach company monday through friday p.O. Box 389 (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: • h...

  • Page 108: 2—36

    2—36 how to order, continued technical and customer service (usa only) hach technical and customer service department personnel are eager to answer questions about our products and their use and to take your orders. Specialists in analytical methods, they are happy to put their talents to work for y...

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    2—37 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 1313 border street, unit 34 ames, iowa...

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    2—38 warranty hach company warrants this product to the original purchaser against any defects that are due to faulty material or workmanship for a period of two years from date of shipment. In the event that a defect is discovered during the warranty period, hach company agrees that, at its option,...

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    2—39 warranty, continued limitations this warranty does not cover: • damage caused by acts of god, natural disaster, labor unrest, acts of war (declared or undeclared), terrorism, civil strife or acts of any governmental jurisdiction • damage caused by misuse, neglect, accident or improper applicati...

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    2—40 warranty, continued this warranty contains the sole express warranty made by hach company in connection with its products. All implied warranties, including without limitation, the warranties of merchantability and fitness for a particular purpose, are expressly disclaimed. Some states within t...