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Hach 59530-01 Instruction Manuals

Manual is about: ANALYSIS SYSTEMS

Summary of 59530-01

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    59571-88 pocket colorimeter™ ii analysis systems instruction manual bromine (br) chlorine dioxide (clo 2 ) chlorine (cl 2 ) / ph © hach company, 2004–2006. All rights reserved. Printed in the u.S.A. Te/dk 9/06 4ed.

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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. Bromine cat. No. 59530-01 chlorine dioxide cat. No. 59530-51 chlorine / ph cat. No. 59530-12.

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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 method performance ........................................................................................1—35 summary of method.........................................................................................1—35 replacement parts (lr and hr) .................

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    1—5 table of contents, continued ph .............................................................................................................................. 1—69 measuring hints ............................................................................................... 1—69 accuracy check ...

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    1—6 table of contents, continued user-entered calibration .................................................................................2—15 overview ............................................................................................................2—15 calibration procedure using prepar...

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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: 528 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), 1 ...

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    1—10 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—11 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—12 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—13 instrument cap cord, continued figure 1 attaching the instrument cap cord.

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    1—14.

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    1—15 bromine, total, lr (0.05 to 4.50 mg/l br 2 ) method 8016 for water, wastewater, and seawater dpd method* (permachem ® powder pillows or accuvac ® ampuls) measuring hints • analyze samples immediately. Do not use plastic containers to collect samples. Note: the pocket colorimeter™ ii is designed...

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    1—16 bromine, total, lr, continued bromine, total, low range (using powder pillows) 1. Fill a 10-ml sample cell sample (the blank). Cap. Note: samples must be analyzed immediately and cannot be preserved for later analysis. 2. Press the power key to turn the meter on. The arrow should indicate the l...

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    1—17 bromine, total, lr, continued 4. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 5. Fill a second sample cell to the 10 ml line with sample. Wipe off any liquid or fingerprints. 6. Add the contents of one dpd total chlorine powder pillow t...

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    1—18 bromine, total, lr, continued 7. Cap and shake gently for 20 seconds. Note: shaking dissipates bubbles that may form in samples with dissolved gases. Note: a pink color will develop if bromine is present. Note: wipe liquid off sample cells. 8. Place the prepared sample in the cell holder and co...

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    1—19 bromine, total, lr, continued bromine, total, low range (using accuvac ® ampuls) 1. Fill a 10-ml sample cell with sample (the blank). Cap. Collect at least 40 ml of sample in a 50-ml beaker. Note: samples must be analyzed immediately and cannot be preserved for later analysis. 2. Press the powe...

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    1—20 bromine, total, lr, continued 4. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 5. Fill a dpd total chlorine reagent accuvac ampul with sample. Keep the tip of the ampule immersed until the ampule fills completely. 6. Quickly invert the a...

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    1—21 bromine, total, lr, continued 7. Place the prepared sample in the cell holder and cover with the instrument cap. Wait at least three but no more than six minutes after filling the ampule. Note: wipe liquid off sample cells. 8. Press read/enter . The display will show “- - - -”, followed by resu...

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    1—22 bromine, total, lr, continued sampling and storage analyze samples immediately. Do not collect samples in plastic containers. Accuracy check standard additions method 1. Snap the neck off a low range chlorine standard solution pourrite ® ampule, 20–30 mg/l cl 2 . 2. Use a tensette ® pipet to ad...

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    1—23 bromine, total, lr, continued standard solution method standard solutions for bromine or chlorine 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...

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    1—24 bromine, total, lr, continued if a chlorine standard is used, multiply its concentration by 2.25 to determine the equivalent bromine concentration. Interferences interfering substance interference levels and treatments acidity greater than 150 mg/l caco 3 . May not develop full color or color m...

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    1—25 bromine, total, lr, continued hardness no effect at less than 1,000 mg/l as caco 3 iodine, i 2 interferes at all levels manganese, oxidized (mn 4+ , mn 7+ ) or chromium, oxidized (cr 6+ ) 1. Adjust sample ph to 6–7. 2. Add 3 drops potassium iodide (30-g/l) (cat. No. 343-32) to a 25-ml sample. 3...

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    1—26 bromine, total, lr, continued method performance estimated detection limit (edl) = 0.05 mg/l br 2 typical precision (95% confidence interval) = 2.25 ± 0.11 mg/l br 2.

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    1—27 bromine, total, hr (0.2 to 10.0 mg/l br 2 ) method 8016 for water, wastewater, and seawater dpd method* (permachem ® powder pillows) measuring hints • if the bromine concentration is typically less than 4 mg/l, use the low range procedure. • analyze samples immediately. Do not use plastic conta...

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    1—28 bromine, total, hr, continued 1. Fill a 1-cm/10-ml sample cell with sample. Cap. This is the blank. Note: samples must be analyzed immediately and cannot be preserved for later analysis. 2. Press the power key to turn the meter on. The arrow should indicate the high range channel (hr). Note: se...

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    1—29 bromine, total, hr, continued 4. Press zero/scroll . The display will show “- - - -” then “0.0”. Remove the blank from the cell holder. 5. Fill another 1-cm/10-ml sample cell to the 5-ml line with sample. 6. Add the contents of two dpd total chlorine powder pillows to the sample cell (the prepa...

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    1—30 bromine, total, hr, continued 7. Cap and shake gently for 20 seconds. Note: shaking dissipates bubbles that may form in samples with dissolved gases. Note: a pink color will develop if bromine is present. Note: wipe liquid off sample cells. 8. Place the prepared sample in the cell holder and co...

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    1—31 bromine, total, hr, continued note: if the sample temporarily turns yellow after reagent addition, or if the display shows overrange ( page 2—12 ), dilute a fresh sample and repeat the test. A slight loss of bromine may occur because of the dilution. Multiply the result by the appropriate dilut...

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    1—32 bromine, total, hr, continued standard solution method standard solutions for bromine or chlorine 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...

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    1—33 bromine, total, hr, continued if a chlorine standard is used, multiply its concentration by 2.25 to determine the equivalent bromine concentration. Interferences interfering substance interference levels and treatments acidity greater than 150 mg/l caco 3 . May not develop full color or color m...

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    1—34 bromine, total, hr, continued hardness no effect at less than 1,000 mg/l as caco 3 iodine, i 2 interferes at all levels manganese, oxidized (mn 4+ , mn 7+ ) or chromium, oxidized (cr 6+ ) 1. Adjust sample ph to 6–7. 2. Add 3 drops potassium iodide (30-g/l) (cat. No. 343-32) to a 25-ml sample. 3...

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    1—35 bromine, total, hr, continued method performance estimated detection limit (edl) = 0.2 mg/l br 2 typical precision (95% confidence interval) = 11.3 ± 0.5 mg/l br 2 summary of method bromine residuals react with dpd (n,n-diethyl-p-phenylenediamine) to form a pink color which is proportional to t...

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    1—36 bromine, total, hr, continued required apparatus (using accuvac ® ampuls) description unit cat. No. Beaker, 50 ml ......................................................................................Each ...... 500-41h optional reagents chlorine standard solution, voluette ® ampules, 50-75 mg/...

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    1—37 bromine, total, hr, continued optional apparatus, continued description unit cat. No. Cylinder, graduated, 25 ml, poly...................................................... Each ....... 1081-40 cylinder, graduated, 100 ml, pmp ................................................... Each ....... 217...

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    1—38.

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    1—39 chlorine, free and total, hr (0.1 to 10.0 mg/l cl 2 ) method 10069 (free) for water, treated water, estuary water, and seawater method 10070 (total) for water, treated waters, wastewater, estuary water, and seawater dpd method* usepa accepted for reporting drinking water analyses (free and tota...

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    1—40 chlorine, free and total, hr, continued • high range free chlorine determinations are subject to variable levels of interferences from monochloramine. See interferences on page 1—46 . Note: the pocket colorimeter™ ii is designed to measure solutions contained in sample cells. Do not dip the met...

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    1—41 chlorine, free and total, hr, continued 1. Fill a 1-cm/10-ml cell to the 5-ml line with sample (the blank). Cap. Note: samples must be analyzed immediately and cannot be preserved for later analysis. 2. Press the power key to turn the meter on. The arrow should indicate the chlorine channel (mg...

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    1—42 chlorine, free and total, hr, continued 4. Press: zero/scroll the display will show “- - - -” followed by “0.0”. Remove the blank. 5. Fill another 1-cm/10-ml sample cell to the 5-ml line with sample. Cap. Note: do not use the same sample cells for free and total chlorine without thoroughly rins...

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    1—43 chlorine, free and total, hr, continued 7. For free chlorine, place the prepared sample cell in the cell holder within one minute after adding the dpd free pillow. Cover the cell with the instrument cap. Proceed to step 9 . 8. For total chlorine, place the prepared sample in the cell holder and...

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    1—44 chlorine, free and total, hr, continued accuracy check standard additions method a. Snap the neck off a high range chlorine standard solution voluette ® ampule, 50–70 mg/l cl 2 . B. Use a tensette ® pipet to add 0.1, 0.2, and 0.3 ml of standard to three separate 5-ml samples. Swirl gently to mi...

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    1—45 chlorine, free and total, hr, continued a user calibration or a user-prepared chlorine standard may be required by a regulatory official or agency. Two options are available on the pocket colorimeter ii to meet this requirement. A chlorine standard may be prepared and used to validate the calib...

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    1—46 chlorine, free and total, hr, continued interferences interfering substance interference levels and treatments acidity greater than 150 mg/l caco 3 . May not develop full color or color may fade instantly. Neutralize to ph 6–7 with 1 n sodium hydroxide. Determine amount to be added on separate ...

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    1—47 chlorine, free and total, hr, continued manganese, oxidized (mn 4+ , mn 7+ ) or chromium, oxidized (cr 6+ ) 1. Adjust sample ph to 6–7. 2. Add 3 drops potassium iodide (30-g/l) (cat. No. 343-32) to a 5-ml sample. 3. Mix and wait one minute. 4. Add 3 drops sodium arsenite (5-g/l) (cat. No. 1047-...

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    1—48 chlorine, free and total, hr, continued monochloramine for conventional free chlorine disinfection (beyond the breakpoint), monochloramine concentrations are very low. If monochloramine is present in the sample, its interference in the free chlorine test varies with the temperature, the relativ...

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    1—49 chlorine, free and total, hr, continued spec √ secondary standards the dpd chlorine secondary standards kit (cat. No. 26353-00) cannot be used on the high range (hr) chlorine channel. Method performance estimated detection limit (edl) = 0.1 mg/l cl 2 typical precision (95% confidence interval) ...

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    1—50 chlorine, free and total, hr, continued subtract the results of the free chlorine test from the total chlorine test to obtain the combined chlorine concentration. The range of analysis using the dpd method for chlorine is extended by adding more indicator in proportion to sample volume. Thus, a...

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    1—51 chlorine, free and total, hr, continued optional reagents description unit cat. No. Chlorine standard solution, voluette ampules, 50–75 mg/l, 2-ml ..................................................................... 20/pkg..... 14268-20 potassium iodide solution, 30 g/l ..........................

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    1—52 chlorine, free and total, hr, continued optional apparatus, continued description unit cat. No. Pipet, tensette ® , 0.1 to 1.0 ml .........................................................Each ..... 19700-01 pipet tips, for 19700-01 tensette ® pipet.....................................50/pkg ......

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    1—53 chlorine dioxide (0.05 to 5.00 mg/l clo 2 ) method 10126 for water and wastewater dpd method* usepa accepted for drinking water ** measuring hints • chlorine dioxide samples cannot be stored, they must be analyzed immediately after collection to minimize loss of chlorine dioxide. • do not use p...

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    1—54 chlorine dioxide, continued • use a timer for reagent reaction and be consistent for all samples. • gently swirl samples to mix reagents. Do not shake sample cells or ampules. Do not invert sample cells. Accuvac ampuls can be inverted as they contain little air. Vigorous agitation may cause los...

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    1—55 chlorine dioxide, continued chlorine dioxide (using powder pillows) 1. Fill a 10-ml sample cell with sample (the blank). Note: samples must be analyzed immediately. 2. Press the power key to turn the meter on. The arrow should indicate channel 1. Note: see page 2—4 for information on selecting ...

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    1—56 chlorine dioxide, continued 4. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 5. Fill a second sample cell with 10 ml of sample. Immediately add four drops of glycine reagent to the sample cell and swirl to mix. 6. Immediately add the con...

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    1—57 chlorine dioxide, continued 7. Within one minute of adding the dpd to the sample, place the prepared sample into the cell holder. 8. Cover the sample with the instrument cap. 9. Press read/enter . The display will show “- - - -”, followed by results in mg/l clo 2 ..

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    1—58 chlorine dioxide, continued chlorine dioxide (using accuvac ® ampuls) 1. Fill a 10-ml sample cell with sample (the blank). Note: samples must be analyzed immediately. 2. Press the power key to turn the meter on. The arrow should indicate channel 2. Note: see page 2—4 for information on selectin...

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    1—59 chlorine dioxide, continued 4. Press zero/scroll . The display will show “- - - -” then “0.00”. Remove the blank from the cell holder. 5. Collect 40 ml of sample in a 50- or 100-ml beaker. Add 16 drops of glycine reagent to the 40 ml of sample. Swirl gently to mix. Continue with step 6 immediat...

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    1—60 chlorine dioxide, continued 7. Quickly invert the ampule several times to mix. Wait 30 seconds for any undissolved powder to settle. Accuracy is not affected by undissolved powder. Note: a pink color will form if chlorine dioxide is present. 8. Within one minute after filling the ampule, place ...

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    1—61 chlorine dioxide, continued sampling and storage analyze samples for chlorine dioxide immediately after collection. Chlorine dioxide is a strong oxidizing agent and is unstable in natural waters. It reacts rapidly with various inorganic compounds, but oxidizes organic compounds more slowly. Man...

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    1—62 chlorine dioxide, continued because chlorine dioxide is difficult and hazardous to produce, check the dpd and glycine reagents by using chlorine standards. Proceed as follows: 1. Prepare a 1-mg/l free chlorine standard. A. Obtain free chlorine standards (cat. No. 14268-10). B. Determine the con...

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    1—63 chlorine dioxide, continued 4. Repeat the chlorine dioxide test on the chlorine standard, including the glycine addition. The reading should be less than 0.10 mg/l clo 2 . This verifies that the glycine is eliminating free chlorine interference. Standard solution method standard solutions for c...

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    1—64 chlorine dioxide, continued in addition, a user-generated calibration curve can be made and programmed into the pocket colorimeter™ ii. See user-entered calibration on page 2—15 . Method performance typical precision (95% confidence interval): 4.78 ± 0.22 mg/l clo 2 (accuvac) 2.08 ± 0.04 mg/l c...

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    1—65 chlorine dioxide, continued samples containing monochloramine will cause a gradual drift to higher chlorine dioxide readings. When read within one minute of reagent addition, 3.0 mg/l monochloramine will cause an increase of less than 0.10 mg/l in the chlorine dioxide reading. Bromine, chlorine...

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    1—66 chlorine dioxide, continued also interfere depending on their ability to prevent glycine from reacting with any chlorine in the sample. It may be necessary to add more glycine to overcome this interference. Summary of method twenty percent of the chlorine in the chlorine dioxide is reduced to c...

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    1—67 chlorine dioxide, continued required reagents (using accuvac ampuls) description units cat. No. Clo 2 dpd accuvac ® /glycine reagent set (25 tests) ............................. ..... 27710-00 includes: (1) dpd free chlorine reagent accuvac ® ampuls, 25/pkg (1) glycine reagent, 29 ml require ap...

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    1—68 chlorine dioxide, continued optional reagents, continued description units cat. No. Sodium hydroxide standard solution, 1 n ....................... 100-ml mdb ....... 1045-32 sulfuric acid standard solution, 1 n ................................ 100-ml mdb ....... 1270-32 water, deionized .........

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    1—69 ph (6.0 to 8.5 ph units) for water and wastewater method 10076 phenol red method measuring hints • for greatest accuracy, use the standard calibration adjust to adjust the calibration curve with each new lot of phenol red. Use the ph 7.00 buffer solution included in the kit. • periodically, rec...

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    1—70 ph, continued 1. Collect about 50 ml of sample in a beaker and fill a 10-ml sample cell to the 10-ml mark with sample. 2. Press the power key to turn the meter on. The arrow should indicate ph. Note: see page 2—4 for information on selecting the correct range channel. 3. Using the calibrated dr...

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    1—71 ph, continued 4. Fill a second sample cell to the 10-ml mark with the original sample. Cap the sample cell. This is the blank. 5. Place the blank into the cell holder. Note: wipe liquid off sample cells or damage to the instrument may occur. 6. Cover the cell with the instrument cap..

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    1—72 ph, continued 7. Press zero/scroll . The display will show “- - - -” then “0.0”. Remove the blank from the cell holder. 8. Place the prepared sample in the cell holder. Note: wipe liquid off sample cells. 9. Cover the cell with the instrument cap..

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    1—73 ph, continued 10. Press read/enter . The display will show “- - - -”, followed by results in ph units..

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    1—74 ph, continued accuracy check preparation of ph 7.0 standard solution a ph 7.00 standard solution is necessary to calibrate or check the accuracy of the ph measurement using the standard calibration adjust feature (see standard calibration adjust on page 2—13 ). Use the ph 7.00 buffer vial (incl...

  • Page 75: 1—75

    1—75 ph, continued standard calibration adjust to perform a standard calibration adjustment using the ph 7.0 buffer, see standard calibration adjust on page 2—13 . Summary of method proper ph control in drinking water and swimming pools is necessary for many reasons. Bactericidal activity of chlorin...

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    1—76 ph, continued replacement parts required reagents description unit cat. No. Buffer solution, ph 7.0....................................................................25 ml .... 12222-20 phenol red solution, spec-grade...................................................50 ml .... 26575-12 requir...

  • Page 77: 2—1

    2—1 section 2 instrument manual.

  • Page 78: 2—2

    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...

  • Page 81: 2—5

    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 82: 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...

  • Page 83: 2—7

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

  • Page 84: 2—8

    2—8.

  • Page 85: 2—9

    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-...

  • Page 87: 2—11

    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...

  • Page 88: 2—12

    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 89: 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...

  • Page 90: 2—14

    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 91: 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 92: 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 93: 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 94: 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 95: 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 96: 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 97: 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 98: 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 99: 2—23

    2—23 user-entered calibration, continued 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 next decimal place. Repeat this sequence until the s0 concentration value is entered. 6. Af...

  • Page 100: 2—24

    2—24 user-entered calibration, continued 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 menu key to return to measurement mode. The instrument uses the last...

  • Page 101: 2—25

    2—25 user-entered calibration, continued 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 been entered, three can be deleted using this feature. 6. Press menu to return to the measurement mode. Retri...

  • Page 102: 2—26

    2—26 user-entered calibration, continued 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. Measurements that exceed the minimum or maximum standards e...

  • Page 103: 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 104: 2—28

    2—28 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 105: 2—29

    2—29 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 106: 2—30

    2—30 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 107: 2—31

    2—31 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 108: 2—32

    2—32.

  • Page 109: 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 110: 2—34

    2—34.

  • Page 111: 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 112: 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...

  • Page 113: 2—37

    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...

  • Page 114: 2—38

    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,...

  • Page 115: 2—39

    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...

  • Page 116: 2—40

    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...