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Page 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Page 2: ...51850 18 Portable Dissolved Oxygen Meter Instruction Manual Hach Company 1999 2000 All rights reserved Printed in the U S A ap dk 3 99 1ed ap dk rev3 3 00 ...

Page 3: ...2 TRADEMARKS OF HACH COMPANY ...

Page 4: ...ection Using the Docking Station 23 2 2 2 Docking Station Connections 24 2 2 3 Battery Installation 25 2 3 Printer and Computer Connections 26 2 4 Turning the Meter On 27 2 5 Automatic Shut off Function 27 SECTION 3 INSTRUMENT OPERATION 29 3 1 Setup Menu 29 3 1 1 Turning Display Lock Off and On 29 3 1 2 Selecting Metric or English Units 29 3 1 3 Selecting Measurement Resolution 30 3 1 4 Adjusting ...

Page 5: ... 47 3 6 Making BOD Determinations 47 SECTION 4 STORING AND RECALLING DATA 49 4 1 Storing Measurements 49 4 2 Recalling Stored Data 50 4 3 Erasing Data 51 4 3 1 Erasing Single Data Points 51 4 3 2 Erasing All Data Points 51 SECTION 5 PRINTING AND DATA TRANSFER 53 5 1 Connecting to Printers Computers 53 5 1 1 Connection with the RS232 Cable 53 5 1 2 Connecting to a Printer 53 5 1 3 Connecting to a P...

Page 6: ...5 TABLE OF CONTENTS continued SECTION 8 SALINITY CONDUCTIVITY INFORMATION 67 8 1 Salinity Correction Factors 67 GENERAL INFORMATION 77 REPLACEMENT PARTS 79 HOW TO ORDER 81 REPAIR SERVICE 82 WARRANTY 83 ...

Page 7: ...Hz Battery Eliminator Power Supply Per 89 336 EEC EMC EN 61326 1998 Electrical Equipment for measurement control and laboratory use EMC requirements Supporting test records by Hach Company certified compliance by Hach Company Standards include IEC 1000 4 2 1995 EN 61000 4 2 1995 Electro Static Discharge Immunity Criteria B IEC 1000 4 3 1995 EN 61000 4 3 1996 Radiated RF Electro Magnetic Field Immu...

Page 8: ...uctuation Flicker Disturbances Caused by Electrical Equipment Additional Emissions Standard s include EN 55011 CISPR 11 Class B emission limits CANADIAN INTERFERENCE CAUSING EQUIPMENT REGULATION IECS 003 Class A emission limits Supporting test records by Criterion Technology O A T S NVLAP 0369 certified compliance by Hach Company This Class A digital apparatus meets all requirements of the Canadia...

Page 9: ...and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The following techniques of reducing the interference pro...

Page 10: ...9 SAFETY PRECAUTIONS 2 2 3 Battery Installation ...

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Page 12: ...e batteries or via Docking Station Docking Station 6 12 Vdc use either Hach supplied 115 or 230V 50 60 Hz external power supply or a customer provided supply with 50 mA output 5 5 mm power plug with a 2 5 mm center post opening Installation Category II for 115V and 230V external power supplies Input impedance 10l2 ohms Instrument drift 1 day Input bias current 1 picoamp at 25 C and 4 picoamps over...

Page 13: ...d Probe Dimensions Model 50180 Probe Length 150 mm Body Diameter 12 mm Cap 15 mm dia x 35 mm Cable Length 1 3 or 15 meters Connector Fisher Enclosure Water resistant meets IP67 chemical resistant dust proof Instrument will float ...

Page 14: ...uede ser peligrosa Revise las fichas de seguridad de materiales y familiarícese con los procedimientos de seguridad antes de manipular productos químicos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenzien ist mit Gefahren verbunden Es wird dem Benutzer dieser Produkte empfohlen sich vor der Arbeit mit sicheren Verfahrensweisen und dem richtigen Gebrauch der Chemikalien vertraut zu ...

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Page 16: ...or controlled has a sealed keypad and can send data to a printer or computer when placed on a Docking Station accessory Different cable lengths ensure easy sampling in all sample situations The DO probe can also be equipped with the available BOD apparatus kit which allows it to be used in conjunction with an electromagnetic stir stand for BOD measurements The sension6 Dissolved Oxygen Meter is eq...

Page 17: ...800 227 4224 Customers outside the United States should contact their regional Hach office or distributor 1 1 1 Standard Accessories Batteries 4 alkaline not rechargeable Instrument Manual Dissolved Oxygen Probe Probe related accessories covered in the electrode manual 1 1 2 Optional Accessories BOD Accessory Kit See Section 3 5 on page 47 1000 mg L Cobalt Standard Sodium Sulfite Probe Holder and ...

Page 18: ...splay In Setup mode Backs up one level toward the Reading mode Returns to the mode where Setup categories are selected In Calibration mode Backs up one level toward the Reading Mode then aborts a calibration In Store Recall and Erase modes exits and returns to the most recent Reading mode In Recall mode exits Print or Erase commands and returns to the most recent Reading mode In a calibration revi...

Page 19: ...ent Setup option when that option is flashing Initiates a measurement when the meter has stabilized in the Display Lock Enabled mode Recall Key Recalls stored sample data from Reading mode only Store Key Stores the current displayed measurement from Reading mode only Erase Key Erases recalled data points Conc Key Toggles between dissolved oxygen concentrations displayed as saturation and mg L in R...

Page 20: ...n is necessary 2 Indicates meter is in Calibration Review mode 3 Indicates data is being sent to a printer computer 4 Indicates currently displayed recalled data is being erased 5 Indicates meter is in Setup mode 6 Indicates all data points are being printed or erased 7 Displays Setup Sample and Standard plus the number of the individual item when those words are displayed to the left of the numbe...

Page 21: ...arrow keys are active 22 Indicates the date is being set in Setup mode 23 Indicates meter is displaying sample salinity Indicates salinity correction is being applied to dissolved oxygen measurement Value of salinity correction is also displayed 24 Indicates EXIT key is active 25 Indicates temperature compensation is being used 26 Indicates numeric key functions are active 27 Indicates meter is in...

Page 22: ...oth Use a cotton tipped applicator to clean or dry the connectors if they get wet 1 5 Audible Signals The meter will beep under certain conditions when a non functional key press is made one beep when measurement stability is reached during calibration three beeps in reading mode when the display lock is turned on and stability is reached ...

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Page 24: ...ortable dissolved oxygen meter when it is used in the laboratory It also allows the meter to send data to a printer or computer 1 Plug the external power supply into a wall outlet and plug the AC DC power connector into the Docking Station 2 Place the instrument on the Docking Station so the three metal connector pins on the bottom of the meter align with the three protruding metal connectors 3 Wh...

Page 25: ...or light on the back The standard 9 pin RS232 serial port connector on the Docking Station is used for sending data to a printer or computer Adapters such as a 9 pin to 25 pin connector may be required The green light on the Docking Station lights when a connection is made to a computer and flickers when data is being transferred to a printer or computer via the serial port ...

Page 26: ...ENÇÃO Use somente baterias alcalinas neste produto Outros tipos de baterias podem resultar em risco a segurança 1 Turn the instrument off Turn the meter so the keypad faces down and grasp firmly with one hand See Figure 5 2 With the other hand grasp the bottom of the instrument so the thumb is in the bottom of the electrode holder and the fingers are on the bottom of the keypad 3 Using the fingers...

Page 27: ...ble The meter can print to serial printers without an adapter For parallel printers a converter and cable adapter are required The Citizen PN60 printer requires a special Citizen adapter Pressing the PRINT key will send the currently displayed data to the printer The data may be either a current measurement or recalled data To send data to a computer connect the 9 pin serial port on the meter to a...

Page 28: ...the instrument The display will show the software version number perform internal tests then default to the Reading mode 2 5 Automatic Shut off Function The meter is equipped with an automatic shut off feature that turns the meter off 20 minutes after the last key press unless the meter is in Calibration mode In Calibration mode automatic shutoff will occur four hours after the last key press Pres...

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Page 30: ...he lock function off and on by pressing the READ ENTER key If the meter is in the continuous reading mode the lock function is not active and off will be displayed If the lock function is active off will not be displayed 3 After selecting the desired setting press the EXIT key If the lock function has been activated a lock icon will appear in the lower left corner of the display in the reading mod...

Page 31: ...ample Salinity This feature adjusts the displayed dissolved oxygen concentration in mg L based on the sample s salinity Note When the Sal icon is displayed during the read mode a salinity correction calculation is applied to the dissolved oxygen concentration in mg L The dissolved oxygen concentration in saturation is the ratio of the displayed concentration in mg L to the equilibrium dissolved ox...

Page 32: ...arometric pressure entry in this setup must be correctly combined with the Altitude setup for the displayed saturation to be accurate Using Sea Level Equivalent Barometric Pressures A new barometric pressure must be entered when the local barometric pressure changes The sea level equivalent barometric pressure is obtained from weather broadcasts on radio TV or from local airports The meter will au...

Page 33: ...n with an altitude other then zero may result in a large error in the displayed saturation The Altitude Adjustment setup feature can be used alone or in conjunction with the Barometric Pressure feature The altitude entry must be correctly combined with the barometric pressure setup for the displayed saturation to be accurate If the Barometric Pressure used in setup 5 is the true pressure for the m...

Page 34: ...ry 3 1 7 Setting the Time This feature sets the clock in the instrument using military time For example 3 00 p m is entered as 15 00 To change the value 1 Access the setup mode by pressing the SETUP CE key 2 Press the up arrow six times A 7 will begin flashing in the upper right hand corner of the display The Time icon will appear The current time entry will be displayed 3 To change the time press...

Page 35: ...flashing in the upper right hand corner of the display and the date icon will appear The current year entry will appear in the main display 3 Press the EXIT key to leave the value unchanged To change the value press the READ ENTER key The number pad icon will appear in the lower display 4 Use the number keys to enter the year Press the READ ENTER key and then the EXIT key when the desired year has...

Page 36: ...ve the value unchanged To change the value press the READ ENTER key The flashing question mark will appear in the upper right corner of the display next to the 10 Use the arrow keys to view the time intervals for automatic data transfer 4 Press the READ ENTER key and then the EXIT key when the desired automatic data transfer time interval appears in the display The meter will return to the Reading...

Page 37: ...g a water sample that has a known dissolved oxygen concentration in mg L The sample concentration is determined by another technique such as a Winkler titration See Section 3 3 5 OR Calibration may be performed by setting a water sample to 100 saturation See Section 3 3 6 3 3 DO Probe 3 3 1 Probe Assembly 1 Remove the membrane protector from the membrane cap without covering the hole as the protec...

Page 38: ...put plug at the top of the meter Figure 7 DO Probe Assembly 3 3 2 Probe Polarization Hach dissolved oxygen probes are continuously polarized when they are connected to the instrument A steady reading will not be seen for 30 50 minutes when the probe electrolyte is new or when the probe has been unplugged for more than one hour Interrupted connections of less than one hour will require 5 to 25 minu...

Page 39: ... into a 250 mL beaker Add a magnetic stir bar 2 Add 0 25 g sodium sulfite or the contents of one Silica 3 Reagent Powder Pillow to the water Stir to dissolve the reagent 3 Catalyze the reduction of dissolved oxygen by adding 0 1 mL of a 1000 mg L Cobalt Standard solution to the water 4 Place the probe in the stirring sample for at least 10 minutes This solution is good for 30 minutes or more 5 Pre...

Page 40: ...ower chamber through the inlet Alternately open the bottom of the chamber and insert a water soaked sponge 3 Insert the DO probe into the calibration and storage chamber The tip of the probe must not be flooded with water or be holding a drop of water on the membrane 4 Allow at least ten minutes for the atmosphere in the chamber to reach a steady state Note Squeezing the lower chamber a couple of ...

Page 41: ... while the meter completes the calibration 9 When the calibration is complete the meter will return to the read mode Press the EXIT key during the calibration sequence to back out of the calibration routine one screen at a time without completing a calibration To obtain a printout of the calibration conditions use the DO meter with the Docking station 1 Press the PRINT key on the keypad immediatel...

Page 42: ... Make sure that no air bubbles are trapped in the sensing area of the probe tip 3 Press the CAL key located in the lower left corner of the keypad The Cal icon will appear in the upper left corner of the display a flashing question mark will appear in the upper right corner of the display and the keypad icon will appear in the lower left corner of the display The main display will show the current...

Page 43: ...n The sension6 Dissolved Oxygen meter can be calibrated to read the dissolved oxygen in a water sample as 100 saturation Changes in the dissolved oxygen concentration of the sample should be monitored using the saturation mode only because the concentration in mg L will not be accurate 1 Place the electrode in the sample deep enough to fully cover the thermistor metallic button located on the side...

Page 44: ...tion Review To review the last calibration 1 Press the REVIEW key on the keypad The date and year of the last calibration will show 2 Press the TIME key on the keypad to view the time of the last calibration 3 Press the up arrow The dissolved oxygen concentration of calibration will show 4 Press the CONC key to view the saturation and mg L values of calibration 5 Press the up arrow key The baromet...

Page 45: ...n the probe tip are dislodged before taking a reading It is important to have the DO probe at a uniform temperature Do not touch the metallic button on the side of the probe when holding it The metallic button is a thermistor that senses sample temperature An inaccurate measurement will result if the temperature of the thermistor is not the same as the membrane end of the probe 3 4 2 Measurement A...

Page 46: ... concentration in mg L to saturation Note The displayed saturation will be based on a meter calculation for the equilibrium dissolved oxygen concentration The calculation uses the sample temperature salinity barometric pressure altitude and measured concentration in mg L values Changing the entries in setups 4 5 or 6 will alter the displayed mg L or saturation 3 4 3 Display Backlight In low light ...

Page 47: ...ng are required at scheduled intervals or whenever the membrane has been damaged or fouled If the membrane is not damaged or fouled the recommended time interval for replacing the electrolyte filling solution is 1 2 months Prior to replacing a membrane cap rub the anode the outer metallic stem of the probe that is visible when the membrane cap is removed with the polishing cloth supplied with the ...

Page 48: ...l 51850 DO probe only 3 6 Making BOD Determinations Use the Hach BOD Accessory Kit with a magnetic stir plate and a standard 300 mL BOD bottle 1 Fill a standard 300 mL BOD bottle with the water sample and insert the overflow funnel 2 Insert the DO probe into the funnel and bottle 3 Place the BOD bottle on a magnetic stirrer so that the probe is over the center of the stir plate 4 Start the magneti...

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Page 50: ...n in saturation calculated true barometric pressure temperature sample salinity date time instrument serial number software version The new data is saved in the next available memory location numbered from 1 to 99 If no memory locations higher than the current one are available the meter will wrap around and choose the next available location The user also has the option of choosing the storage lo...

Page 51: ...le in the Reading mode The screen will display the most recently saved measurement data 2 Use the arrow keys to scroll to the desired storage location or press RECALL again to allow number entry of a storage location The question mark will flash Enter the number of the desired storage location Press ENTER to accept the storage location or EXIT to escape 3 Press the CONC key to switch between the s...

Page 52: ...s an arrow key to scroll to other data points 5 Repeat steps 2 3 for each data point that needs to be deleted 4 3 2 Erasing All Data Points 1 To erase data it must be recalled first See Section 4 2 2 When the point is displayed press ERASE 3 Press the up arrow The instrument will show Erase and All with the flashing At this point the options are a Press EXIT to return to the data point in Recall m...

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Page 54: ...a direct link between the instrument and the 25 pin connector used for the serial port on most serial printers Table 3 shows the proper pin connections for 25 pin printer cables Using cables that do not match the pin information in the table may cause undesirable operation Parallel printers require a serial to parallel adapter This allows use of printers that are normally used for IBM compatible a...

Page 55: ...T to send data to the computer Note For optimum performance and ESD protection use a five conductor shielded cable Use a metal shell for the printer or computer terminal connector and connect the shield of the cable to the metal shell and the sleeve signal ground of the RS232 plug Follow the manufacturers instructions to configure the printer for compatibility with the meter Figure 8 RS232 Cable C...

Page 56: ... connection by tightening the screws on either side of the cable connector see Figure 8 Connect the cable to the printer in the same manner 4 Once the communication link is established press PRINT to send data to the computer To transfer data the communication parameters baud rate data bits and parity of the meter and the computer must match Once the communication link is established press PRINT t...

Page 57: ... AT or compatible with a 386SX processor 16 MHz or better 4 megabytes of RAM Hard disk drive with 2 megabytes or more of free space 3 inch 1 44 megabyte floppy disk drive VGA graphics with 640 x 480 or higher resolution 16 or more colors Mouse or other pointing device A 9 pin serial port or 25 pin serial port with 9 pin adapter Windows 3 1 or later DOS 3 3 or later 5 2 Sending Data to Printers Com...

Page 58: ...int in Recall mode without printing b Press the down arrow to return to the prompt for printing single data points c Press ENTER to print all stored data data that is printed but not stored will not be included The word PRINT will be displayed until all the data has been printed Then the meter will return to the first recalled sample Press EXIT to return to Reading mode or an arrow key to scroll t...

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Page 60: ...nt polarize the probe by connecting it to the meter See Section 3 3 2 Probe Polarization 3 Zero the sension 6 Dissolved Oxygen meter prior to calibration when measuring dissolved oxygen levels less than 1 mg L or 10 saturation 4 Secure the probe cable to the calibration and storage chamber by wrapping cable through the bottom of the chamber lid before filling with water ...

Page 61: ...he probe tip must not be flooded with water or be holding a drop of water on the membrane 7 Allow at least ten minutes for the atmosphere in the chamber to reach a steady state Note To speed up probe stabilization squeeze the lower chamber a couple of times to force water saturated air into the chamber Note Keep the DO probe at a uniform temperature When holding the probe do not touch the metallic...

Page 62: ...t in combination with the barometric pressure press the READ ENTER key The current value for the sample salinity 0 00 will be shown 12 Since this calibration is performed in water saturated air set the salinity to zero If necessary use the keypad to enter a salinity value of 0 0 00 13 Press the READ ENTER key The display will show 100 14 Press the READ ENTER key The stabilizing icon will appear wh...

Page 63: ...ent flow across the probe tip by pulling on the cable to move the probe up and down 21 When the reading on the meter stabilizes record or store the value in the meter memory 22 Press the CONC key on the keypad to change the display from concentration in mg L to saturation Note In low light conditions the backlight may be turned on by pressing the light key on the keypad Note The displayed saturati...

Page 64: ... in between A single operator with a single sension6 meter obtained a standard deviation of 0 03 mg L DO Table 5 Adjusting Barometric Pressure and Altitude Enter a new barometric pressure when the barometric pressure or the altitude of the instrument changes using one of the methods below Using Sea Level Equivalent Using True Barometric Pressure 1 Obtain the sea level equivalent barometric pressur...

Page 65: ...ay need to clean the anode and replace the internal filling solution and membrane cap Summary of Method The sension6 Dissolved Oxygen Meter responds to the dissolved oxygen concentration activity by developing an electrical current At a constant temperature the electric current varies linearly with the oxygen concentration of the solution An increase in temperature will increase the oxygen diffusi...

Page 66: ...ed oxygen electrode press the READ and CONC keys simultaneously Table 6 Error Code Error Type Possible Remedy E 1 Data error in the non volatile memory Turn off the meter then turn it on again E 3 Failure to correctly store a reading Call Service Meter cannot store data in at least one location but is otherwise functional E 9 Failure to correctly retrieve a reading that was stored earlier Call Ser...

Page 67: ... are being tested 5 What is the temperature of the samples being tested 6 How often is the meter being used 7 How is the meter being stored between uses 8 If the meter has been in use for a while what maintenance has been performed 9 Describe the suspected problem or failure of the meter 10 Please have your meter electrode buffers standards and this completed questionnaire near the phone before ca...

Page 68: ... page 30 This table was calculated up to the conductivity of 54 mmhos cm from the International Oceanographic Tables Salinity determined by the conductivity at 20 C ppt Parts per Thousands of Salinity International Oceanographic Tables Vol I National Institute of Oceanography of Great Britain Womley Godaming Surrey England and Uncesco Paris 1971 Table 7 Salinity Correction Factors Conductivity in ...

Page 69: ...instrument see Sections 3 1 5 and 3 1 6 Note If the barometric pressure from Table 8 is entered in the meter the altitude entered in combination with this value must be 0 feet Table 8 Elevation Barometric Pressure Elevation in feet Barometric pressure in mm Hg Elevation in feet Barometric pressure in mm Hg 0 760 6000 613 500 746 6500 601 1000 733 7000 590 1500 720 7500 579 2000 708 8000 568 2500 6...

Page 70: ...56 10 91 10 29 9 71 9 16 10 0 11 29 10 66 10 06 9 50 8 97 11 0 11 03 10 42 9 84 9 29 8 78 12 0 10 78 10 19 9 63 9 09 8 59 13 0 10 54 9 96 9 42 8 90 8 42 14 0 10 31 9 75 9 22 8 72 8 25 15 0 10 08 9 54 9 03 8 55 8 09 16 0 9 87 9 35 8 85 8 38 7 93 17 0 9 67 9 15 8 67 8 21 7 78 18 0 9 47 8 97 8 50 8 05 7 63 19 0 9 28 8 79 8 34 7 90 7 49 20 0 9 09 8 62 8 18 7 75 7 35 21 0 8 92 8 46 8 02 7 61 7 22 22 0 ...

Page 71: ...y of Oxygen in Water Exposed to Water Saturated Air at Atmospheric Pressure 101 3kPa Continued Temp C Oxygen Solubility mg L Salinity 0 9 0 18 0 27 0 36 0 Table 10 Solubility of Oxygen in Water vs Temperature and Barometric Pressure lower range Pressure mm Hg 550 575 600 625 650 675 700 inches Hg 21 7 22 6 23 6 24 6 25 6 26 6 27 6 Temp C Oxygen Solubility mg L 0 10 56 11 04 11 53 12 01 12 49 12 98...

Page 72: ...2 7 43 7 75 8 07 8 39 8 70 19 6 66 6 97 7 28 7 59 7 91 8 22 8 53 20 6 52 6 83 7 13 7 44 7 75 8 05 8 36 21 6 39 6 69 6 99 7 29 7 59 7 89 8 19 22 6 26 6 56 6 85 7 15 7 45 7 74 8 04 23 6 14 6 43 6 72 7 01 7 30 7 59 7 88 24 6 02 6 31 6 59 6 88 7 16 7 45 7 73 25 5 91 6 19 6 47 6 75 7 03 7 31 7 59 26 5 80 6 07 6 35 6 62 6 90 7 18 7 45 27 5 69 5 96 6 23 6 50 6 77 7 05 7 32 28 5 58 5 85 6 12 6 38 6 65 6 9...

Page 73: ...4 65 4 88 5 10 5 32 5 55 5 77 42 4 35 4 57 4 79 5 01 5 24 5 46 5 68 43 4 27 4 49 4 71 4 93 5 15 5 37 5 59 44 4 20 4 41 4 63 4 85 5 07 5 28 5 50 45 4 12 4 34 4 55 4 77 4 98 5 20 5 41 Table 11 Solubility of Oxygen in Water vs Temperature and Barometric Pressure upper range Pressure mm Hg 725 750 760 775 800 825 850 inches Hg 28 5 29 5 29 9 30 5 31 5 32 5 33 5 Temp C Oxygen Solubility mg L 0 13 94 14...

Page 74: ...12 10 27 10 63 10 78 10 99 11 35 11 71 12 07 13 10 04 10 40 10 54 10 75 11 10 11 45 11 80 14 9 82 10 17 10 31 10 51 10 86 11 20 11 54 15 9 61 9 95 10 08 10 29 10 62 10 96 11 30 16 9 41 9 74 9 87 10 07 10 40 10 73 11 06 17 9 21 9 54 9 67 9 86 10 18 10 51 10 83 18 9 02 9 34 9 47 9 66 9 98 10 29 10 61 19 8 84 9 15 9 28 9 46 9 77 10 09 10 40 20 8 66 8 97 9 09 9 28 9 58 9 89 10 19 21 8 49 8 79 8 92 9 1...

Page 75: ... 08 34 6 72 6 97 7 07 7 21 7 46 7 70 7 95 35 6 61 6 85 6 95 7 09 7 34 7 58 7 82 36 6 50 6 74 6 84 6 98 7 22 7 46 7 70 37 6 40 6 63 6 73 6 87 7 10 7 34 7 57 38 6 29 6 53 6 62 6 76 6 99 7 22 7 46 39 6 19 6 42 6 52 6 65 6 88 7 11 7 34 40 6 09 6 32 6 41 6 55 6 78 7 00 7 23 41 6 00 6 22 6 31 6 45 6 67 6 90 7 12 42 5 90 6 12 6 21 6 35 6 57 6 79 7 01 43 5 81 6 03 6 12 6 25 6 47 6 69 6 91 Table 11 Solubil...

Page 76: ...multiply 1013 25 by 0 75006 The result is 760 mm Hg To convert 1013 25 mbar to in Hg multiply 1013 25 by 0 02953 The result is 29 92 in Hg Table 12 Pressure Conversions mbar mm Hg inches Hg 1 mbar 1 0 75006 0 02953 1 mm Hg 1 3332 1 0 039370 1 inch Hg 33 864 25 400 1 ...

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Page 78: ...77 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 ...

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Page 80: ...2 Dissolved Oxygen Service Kit Includes 2 membranes fill solution polishing cloth 2 sponges each 51968 00 Docking Station external 115 V N American style plug each 51875 01 Docking Station external 230 V European style plug each 51875 02 Filling Solution Dissolved Oxygen 59 mL 27591 26 Membranes for Dissolved Oxygen Probe 2 pkg 51973 00 Power Cord for PN60 continental European plug each 46836 00 P...

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Page 82: ...oducts and their use Specialists in analytical methods they are happy to put their talents to work for you 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 In Canada Hach Sales Service Canada Ltd Manitoba Canada Telephone 204 632 5598 FAX 20...

Page 83: ...82 REPAIR SERVICE ...

Page 84: ...83 WARRANTY Hach warrants the sension meters against defective materials or workmanship for three years from the date of shipment ...

Page 85: ...0389 Telephone 970 669 3050 FAX 970 669 2932 FOR TECHNICAL ASSISTANCE PRICE INFORMATION AND ORDERING Call 800 227 4224 Contact the HACH office or distributor serving you www hach com techhelp hach com In the U S A Outside the U S A On the Worldwide Web E mail toll free ...

Page 86: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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