Hach Sension 156 Manual Download Page 4

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TABLE OF CONTENTS,

continued

SECTION 4 CONDUCTIVITY OPERATION MODE

............................................ 35

4.1 Conductivity Setup Menu Options ................................................................................... 35

4.2 How to Change the Conductivity Menu Options.............................................................. 38

4.3 Conductivity Calibration................................................................................................... 39

4.3.1 Calibrating with a Known NaCl Standard...............................................................  40
4.3.2 Calibrating with a Known KCl Standard ................................................................  41
4.3.3 Calibrating by Adjusting the Cell Constant ............................................................  41
4.3.4 Reviewing Calibrations ...........................................................................................  42

4.4 Measuring Conductivity ................................................................................................... 43

4.4.1 Measuring Low Levels of Conductivity .................................................................. 43

4.5 Measuring Total Dissolved Solids .................................................................................... 44

4.6 Measuring Salinity............................................................................................................ 44

4.7 Substances that May Affect Measurement ....................................................................... 45

4.8 Common Conversion Factors............................................................................................ 45

4.9 Theory of Conductivity Measurement .............................................................................. 46

SECTION 5 DISSOLVED OXYGEN OPERATION MODE

.................................. 49

5.1 Dissolved Oxygen Setup Menu Options........................................................................... 49

5.2 How to Change the Dissolved Oxygen Menu Options ..................................................... 49

5.3 DO Probe .......................................................................................................................... 50

5.3.1 Probe Assembly....................................................................................................... 50

5.4 Dissolved Oxygen Calibration.......................................................................................... 52

5.5 Measuring Dissolved Oxygen........................................................................................... 58

5.6 Using the BOD Accessory Kit.......................................................................................... 60

5.7 Making BOD Determinations........................................................................................... 61

5.8 Measuring Dissolved Oxygen in Water (0 to 20 mg/L).................................................... 61

5.9 Salinity Correction Factors ............................................................................................... 66

5.10 Pressure Conversions ...................................................................................................... 67

Summary of Contents for Sension 156

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Page 3: ...Batteries as a Power Source 23 2 3 Probe Connections 24 2 3 1 Switching Between Conductivity and Dissolved Oxygen Modes 24 2 3 2 Attaching the Probe Holder to the Instrument 25 2 4 Turning the Meter On 25 2 5 Setup Menu Features Common to All Parameters 25 2 6 Printer and Computer Connections 26 2 7 Automatic Shut off Function 26 2 8 Display Backlight 26 SECTION 3 pH OPERATION MODE 27 3 1 pH Setup...

Page 4: ...ity Measurement 46 SECTION 5 DISSOLVED OXYGEN OPERATION MODE 49 5 1 Dissolved Oxygen Setup Menu Options 49 5 2 How to Change the Dissolved Oxygen Menu Options 49 5 3 DO Probe 50 5 3 1 Probe Assembly 50 5 4 Dissolved Oxygen Calibration 52 5 4 1 Probe Polarization 52 5 4 2 Zeroing the Probe 53 5 4 3 Calibration in Water Saturated Air 54 5 4 4 Calibration to a Known Dissolved Oxygen Concentration 55 ...

Page 5: ...Printer 75 7 1 3 Connecting to a Personal Computer 77 7 1 4 Using HachLink Communications Software with a PC 78 7 2 Sending Data to Printers Computers 78 7 2 1 Sending Currently Displayed Data 78 7 2 2 Sending Recalled Data Points 78 7 2 3 Sending Multiple Data Points 79 7 3 Printed Data Formats 80 7 3 1 pH Printed Data Format 80 7 3 2 Conductivity Printed Data Format 80 7 3 3 Dissolved Oxygen Pri...

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Page 7: ...7 SAFETY PRECAUTIONS Section 2 2 Power Connection Section 2 3 Probe Connections Section 2 6 Printer and Computer Connections Section 7 1 Connecting to Printers Computers ...

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Page 9: ...on 6 12 V dc use either Hach supplied 115 or 230 V 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 positive Input impedance 10l2 ohms Installation Category II for 115V and 230V external power supplies Environmental Requirements 0 50 C at 85 non condensing relative humidity Meter dimensions 21 2 x 8 7 x 4 2 cm 8 35 x 3 43 x ...

Page 10: ...0 1 mV Accuracy meter only 0 2 mV or 0 15 of the reading whichever is greater Temperature Range 10 0 110 C Resolution 0 1 C Accuracy 0 3 C from 0 70 C 1 0 C from 70 110 C Conductivity Mode Range 0 19 99 µS 20 199 9 µS cm 200 1999 µS cm 2 19 99 mS cm 20 199 9 mS cm TDS 0 50 000 mg L as NaCl Salinity 0 42 ppt Temperature 10 105 C Resolution Conductivity 0 00 19 99 µS cm 0 01 µS cm 20 0 199 9 µS cm 0...

Page 11: ...ature Compensation Manual user selected coefficient per C or Automatic non linear based on NaCl solutions Dissolved Oxygen Mode Range 0 20 mg L ppm 0 200 sat Accuracy 1 full scale Temperature 0 50 C Resolution Instrument drift 1 day TDS 0 00 199 9 mg L 0 1 mg L 200 1999 mg L 1 mg L 2 00 19 99 g L 0 01 g L 20 0 50 g L 0 1 g L Salinity 0 1 ppt Temperature 0 1 C Oxygen Concentration 0 01 or 0 1 ppm m...

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Page 13: ...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 15: ...g Station for power 1 1 Unpacking the Instrument Remove the instrument and accessories from the shipping container and inspect each item for damage Verify that all items listed on the packing slip are included If any items are missing or damaged contact Hach Customer Service Loveland Colorado at 1 800 227 4224 Customers outside the United States should contact their regional Hach office or distrib...

Page 16: ...Ionic Strength Sample Chamber Probe related accessories covered in the electrode manual Carrying case 1 2 Keypad Description Figure 1 shows the keypad Table 1 explains key functions Figure 1 sension156 Meter and Keypad READ enter exit store light review erase time setup recall print cal CE 7 8 9 4 5 6 1 2 0 3 con sal mV DO TDS pH ...

Page 17: ...ibration RECALL Recalls stored sample data of the current reading parameter type from Reading mode only STORE Initiates storage of the displayed measurement from Reading mode only ERASE Erases recalled data points CON TDS SAL Initiates conductivity reading Toggles between conductivity total dissolved solids and salinity pH mV Initiates pH reading Toggles between pH and mV DO Initiates dissolved ox...

Page 18: ...hows when the numeric keypad is active and AC power is connected via the Docking Station Figure 2 shows the icons and fields that appear on the display Table 2 describes each icon and field To see all icons simultaneously hold down the POWER key for several seconds Figure 2 sension156 Display Layout F mV RECALL Print Store Erase Sample Standard All CAL REVIEW ERROR C Default Date Time setup Stabil...

Page 19: ... 12 Indicates the displayed number is the electrode slope 13 Main numeric display field Displays values for readings slope and setups 14 Indicates measurement units 15 Indicates the meter is using the default temperature to calculate temperature correction Probe temperature sensor is not functioning 16 Indicates the temperature units in use choice of C or F 17 Indicates value displayed in small nu...

Page 20: ...ates the meter is displaying sample salinity In DO mode indicates that the salinity correction is being applied to the dissolved oxygen measurement and that the salinity corrected value is displayed 30 Indicates the display is locked Pressing read initiates another measurement 31 Indicates a meter function problem 32 Indicates whether an associated setup setting is On or Off 33 Indicates faulty pr...

Page 21: ...ll 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 When the meter is using ac power the ac power icon will appear in the lower right corner of the display Connection to ac power is not necessary to download data to a printe...

Page 22: ...22 SECTION 2 continued Figure 3 Using the sension Docking Station READ enter exit store light review erase time setup recall print cal CE 7 8 9 4 5 6 1 2 0 3 con sal mV DO TDS pH ...

Page 23: ... in safety hazards PRUDENCE Utiliser seulement des piles alcalines dans cet appareil Les autres types de piles peuvent créer des risques pour la sécurité ATENCIÓN Utilice solamente baterias alcalinas en este producto El uso de otros tipos de baterias puede causar riesgos de seguridad VORSICHT Verwenden Sie in diesem Produkt nur Alkali Batterien Die Verwendung anderer Batterien gefährdet die Betrie...

Page 24: ...Switching Between Conductivity and Dissolved Oxygen Modes The blue connector is for either the DO or conductivity probe The meter remembers which of these probes was used last If you select the parameter that was not used last the meter will prompt for an electrode change and ask you to confirm Press ENTER to confirm the new probe and initiate the reading Press EXIT to return the meter to the prev...

Page 25: ...ode 2 5 Setup Menu Features Common to All Parameters The setup menu structure on the sension156 Multiparameter Meter varies depending on the reading mode pH conductivity or dissolved oxygen The setups for Time Date Year Temperature and Units apply to all parameters Other menu setups including Display Lock Auto Print Interval and Resolution allow users to select different settings for different par...

Page 26: ...unction Note Automatic shutoff is disabled when automatic printing at timed intervals is selected The meter is equipped with an automatic shut off feature that turns the meter off 15 minutes after the last key press However if the meter is in Calibration mode automatic shut off occurs four hours after the last key press Press the I O key to turn the instrument on again 2 8 Display Backlight In low...

Page 27: ...pH Auto Print Interval This function activates the automatic data transfer Print function The Docking Station is required to send data to a printer or computer via the RS232 connection The automatic data transfer function automatically sends data through the docking station depending upon the time interval selected Time intervals are selected from the following options 10 seconds 30 seconds 1 minu...

Page 28: ... locked To keep transferring pH data leave the meter in pH Reading mode on a docking station Each time data transfer occurs the Print icon will momentarily appear at the top of the display When Auto Print is on the instrument will send data at the specified interval as long as the instrument is in the pH Reading mode 3 2 How to Change the pH Menu Options To access the pH Setup menu 1 Turn on the m...

Page 29: ...ss the UP ARROW until the setup number is 5 Press ENTER to toggle display lock off and on When the desired option is selected press exit to return to the reading mode Note When display lock is disabled the Display Lock icon and Off are displayed When this feature is enabled only the Display Lock icon is displayed See Section 3 1 for more information about this setup Setup 6 Measurement Resolution ...

Page 30: ... the buffers 4 Press READ The instrument will automatically recognize the calibration buffer value The temperature and pH values will be updated until a stable reading is reached Note The pH values for the buffers are given for 25 C If the calibration buffer temperature is not 25 C the pH values displayed for the buffers will reflect the correct pH value for the calibration buffer temperature Note...

Page 31: ...ss EXIT 3 3 2 Performing a Manual Calibration 1 Prepare two or three pH buffers according to the electrode instruction manual 2 Turn the instrument on From the pH Reading mode press CAL Functional keys will appear in the lower left display area CAL and will appear in the upper display area along with Standard and 1 The numeric keypad will become active 3 Place the pH electrode in a buffer starting...

Page 32: ...libration is stored the meter is immediately ready to begin measuring samples See Section 3 4 on page 33 for pH sample measurements 3 3 3 Reviewing the Calibration 1 From the pH Reading mode press the REVIEW key 2 The meter will display the time the calibration was stored Press the UP ARROW and DOWN ARROW keys to scroll through the calibration data shown below Note View mV value by pressing mV 3 T...

Page 33: ... is off the display will show the current reading and temperature but the values may fluctuate 4 Record or store the pH or mV value 5 Remove the electrode from the sample rinse with deionized water and place the electrode in the next sample Repeat steps 2 4 for each sample 6 When finished turn the meter off Rinse the electrode with deionized water and gently blot dry Replace the protective cap on ...

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Page 35: ...p Number Setup Description Option Description Default Setting 1 Time 00 00 to 23 59 00 00 2 Date 01 01 to 12 31 01 01 3 Year 2000 2099 2000 4 Temperature units C F C 5 Display lock On Lock icon Off Lock icon and Off icon Off 6 Temperature Correction Factor Thermometer icon Non linear NaCl or Non linearNaCl 7 TDS Correction Factor Non linear NaCl or numeric value for converting µS cm to TDS NaCl in...

Page 36: ...etup lets the user choose a linear or non linear conversion from conductivity to TDS TDS measurements use conductivity readings that are temperature compensated When the linear conversion is chosen the meter uses the reference temperature and the temperature correction option to determine temperature corrected conductivity The non linear NaCl conversion uses the non linear temperature correction f...

Page 37: ... ignoring the effects of temperature can result in significant error Salinity and TDS always require temperature compensation so when those forms of conductivity are being measured this setup is ignored The probe supplied with the meter measures temperature with a thermistor for automatic temperature compensation When the thermometer and Off icons appear in the Read mode the instrument is not corr...

Page 38: ...ected press EXIT to return to the reading mode When display lock is disabled the Display Lock icon and Off are displayed When this feature is enabled only the Display Lock icon is displayed See Section 4 1 for more information about this setup Setup 6 Temperature Correction Value From Conductivity Reading mode press SETUP Press the UP ARROW until the setup number is 6 Press ENTER To select the non...

Page 39: ...RROW until the setup number is 8 Press ENTER Change the print interval by pressing the UP ARROW and DOWN ARROW keys Press ENTER to accept the print interval Setup 9 Reference Temperature From Conductivity Reading mode press SETUP Press the UP ARROW until the setup number is 9 Press ENTER to toggle between 20 C and 25 C The default is 25 C Press EXIT to return to the reading mode See Section 4 1 fo...

Page 40: ...mples Agitate the probe to dislodge bubbles in the cell Avoid resting the probe on the bottom or side of the container 3 Press CAL Icons that represent the active navigation keys will appear in the lower part of the display The meter will recall the most recent type of calibration Look at the units field to see what kind of calibration is active The units will be one of the following forms 4 Scrol...

Page 41: ... in the cell Avoid resting the probe on the bottom or side of the container 3 Press CAL Use the UP or DOWN arrows to select either the 1413 µS cm or the 12 88 mS cm standard 4 Press ENTER to calibrate the standard The meter automatically corrects the calibration using the KCl based non linear temperature coefficient 4 3 3 Calibrating by Adjusting the Cell Constant The cell constant should be consi...

Page 42: ...t from a previous calibration that applies to the current sample If a number entry error occurs start over by pressing CE 8 Press ENTER When the calibration is complete the meter will return to measurement mode 4 3 4 Reviewing Calibrations 1 From the Reading mode press the REVIEW key 2 To print a calibration report press the PRINT key 3 The display will show the date of the most recent calibration...

Page 43: ...n 1 µS cm the meter automatically uses the temperature correction coefficients for pure water for the reference temperature selected derived from ASTM method D 1125 91 page 253 1993 For greatest accuracy Hach recommends using the Low Ionic Strength Chamber to prevent gases in the atmosphere from changing the conductivity level 1 Make sure the meter is using the non linear NaCl temperature correcti...

Page 44: ...odium chloride by comparing the sample conductivity and temperature to data stored in the meter s memory Data were obtained from empirical procedures using sodium chloride solutions 4 6 Measuring Salinity To measure salinity with the sension156 meter press the CON TDS SAL key until the SAL icon appears in the lower left corner of the screen The instrument will display the salinity value for the sa...

Page 45: ... with Gallic Acid Solution Untreated samples may result in falsely high values To pretreat the sample 1 Add four drops of Phenolphthalein Indicator Solution to the sample 2 Stirring constantly add Gallic Acid Solution until the pink red color disappears The solution will become colorless if a small amount of hydroxides are present or it may turn brownish yellow if large amounts of hydroxides are p...

Page 46: ... at a different distance are characterized by a different cell constant The Hach Conductivity measuring system has an innovative two cell probe design With this design a single probe can take measurements within the full dynamic range of the instrument Less advanced conductivity measurement systems that use single cell probes require the user to purchase several probes each of which measures only ...

Page 47: ...most uses the actual cell constant K of a specific cell is determined by comparing the measurement of a standard solution of known specific conductivity e g 0 01 M KCl to the measured conductance The conductivity of a solution at a specific electrolyte concentration will change if the temperature changes For accuracy measured values should be adjusted for the solution temperature The temperature c...

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Page 49: ... the sample s temperature and salinity plus ambient barometric pressure 5 2 How to Change the Dissolved Oxygen Menu Options To access the Dissolved Oxygen Setup menu 1 Turn on the meter and press the DO key The arrow icons that appear indicate that additional options are available within the menu 2 Press the SETUP key 3 Use the UP ARROW and DOWN ARROW keys to scroll between the desired options Tab...

Page 50: ...up Setup 6 Measurement Resolution From Dissolved Oxygen Reading mode press SETUP Press the UP ARROW until the setup number is 6 Press ENTER to toggle between 0 0 or 0 00 mg L When the desired option is selected press EXIT to return to the reading mode Setup 7 Salinity Factor Determine sample salinity The units for salinity are parts per thousand 0 00 From Dissolved Oxygen Reading mode press SETUP ...

Page 51: ...yte does not leak out of the threads air may remain inside the module cap To ensure accurate results repeat this procedure using more filling solution 5 Attach the DO probe cable connector to the meter Figure 8 DO Probe Assembly Cable Connector Calibration and Storage Chamber attached Sponge Membrane Cap DO Probe Body Thermistor Electrode Calibration and Storage Chamber Membrane Protector ...

Page 52: ... by another technique such as a Winkler titration See Section 5 4 4 OR Calibration may be performed by setting a water sample to 100 saturation See Section 5 4 5 5 4 1 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 un...

Page 53: ...the probe in the stirring sample for at least 10 minutes This solution is good for 30 minutes or more 5 Press the CAL key 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 100 6 Press the 0 key on the keypad ...

Page 54: ...ked 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 Gently squeezing the lower chamber a couple of times to force water saturated air into the probe chamber will speed up stabilization Avo...

Page 55: ...en concentration This procedure adjusts for differences between this electrode method and an alternate method such as a Winkler titration These differences are most prevalent in samples containing high concentrations of dissolved substances High concentrations of dissolved substances can be corrected for by entering a sample salinity value However salinity values may not produce an adjustment equi...

Page 56: ... will appear while the meter completes the calibration When the calibration is complete the meter will return to the reading mode 7 To end a calibration before it is completed press the EXIT key during the calibration sequence to back the display screen up one at a time then leave the calibration routine without completing a calibration Note If the Cal and icons flash after calibration the calibra...

Page 57: ...ting a calibration Note If the Cal and icons flash after calibration the calibration failed and needs to be repeated See Error 6 in SECTION 8 TROUBLESHOOTING 5 4 6 Calibration 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 ...

Page 58: ...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 5 5 2 Dissolved Oxygen Measurem...

Page 59: ...s the DO key on the keypad to change the display from 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 and measured concentration in mg L values Changing the entry in Setup 7 will alter the displayed mg L or saturation 5 5...

Page 60: ...lied with the probe The polishing cloth will remove deposits that may decrease the performance of the probe Polish the anode whenever the membrane cap is replaced or between membrane cap replacement if probe performance seems to have degraded over time 5 6 Using the BOD Accessory Kit The optional BOD Accessory Kit which includes an overflow funnel with a built in stirring bar serves three purposes...

Page 61: ...cient stirring will cause erroneously low readings Note If air bubbles develop below or on the probe membrane allow the stirrer about five seconds to remove them or hold the probe at a slight angle and tap gently 5 8 Measuring Dissolved Oxygen in Water 0 to 20 mg L 1 Assemble the dissolved oxygen probe as described in Section 5 3 1 on page 50 2 At least thirty minutes before measurement polarize t...

Page 62: ...e Note New sponges will be compressed Add water to expand them 7 Wait at least ten minutes for the atmosphere in the chamber to reach a steady state Note To speed up probe stabilization hold the probe upright and squeeze the lower chamber a couple of times to force water saturated air into the chamber Avoid squeezing water into the chamber 8 Press the CAL key The display will show 100 Note Keep th...

Page 63: ...tion 4 6 on page 44 13 Insert the probe into the sample The probe must be deep enough to cover the thermistor metallic button located on the side of the probe 14 Agitate the probe in the sample to dislodge air bubbles from the sensing area of the probe tip 15 Stir the sample vigorously with the probe or use a stir stand and stir bar When measuring deep bodies of water create sufficient flow across...

Page 64: ...tween A single operator with a single sension156 meter obtained a standard deviation of 0 03 mg L DO Interferences Oxidizing gases such as chlorine chlorine dioxide sulphur trioxide and bromine can react at the cathode to produce positive interferences Reducing gases such as hydrogen hydrogen 17 Press the DO key to change the display from concentration in mg L to saturation Note The displayed satu...

Page 65: ... 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 diffusion through the membrane exponentially The meter utilizes automatic temperature compensation to ensure accurate results The following tables have been provi...

Page 66: ...cm from the International Oceanographic Tables Salinity determined by the conductivity at 20 C ppt Parts per Thousand of Salinity International Oceanographic Tables Vol I National Institute of Oceanography of Great Britain Womley Godaming Surrey England and Uncesco Paris 1971 Table 12 Salinity Correction Factors Conductivity in mS cm Salinity value Conductivity in mS cm Salinity value Conductivity...

Page 67: ...to mm Hg multiply 1013 25 by 0 75006 The result is 760 mm Hg To convert 1013 25 hPa to in Hg multiply 1013 25 by 0 02953 The result is 29 92 in Hg Table 13 Pressure Conversions hPa mbar mm Hg inches Hg 1 hPa 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 69: ... Press ENTER to store the measurement reading in that location number To store the data in another location use the arrow keys to scroll to that location number or enter a pH Conductivity Dissolved Oxygen Date Date Date Time Time Time Instrument serial number Instrument serial number Instrument serial number Software version Software version Software version An asterisk on the printout indicates a...

Page 70: ...replacing the data If the meter is full of data and you want to clear some memory send the data to a PC or printer see Section 7 2 3 then erase the data see Section 6 3 2 4 The meter will store the reading and return to Reading mode 6 2 Recalling Stored Data 1 To recall stored data start in the reading mode of the parameter of interest pH DO or conductivity 2 Press the RECALL key The display will ...

Page 71: ...g mode 6 2 2 Conductivity Data 1 Recall Conductivity data as described in Section 6 2 2 Press the CON TDS SAL key to toggle between those three forms 3 Press the ENTER key in succession to view the following data for each of the measurements Cell constant Reference temperature Temperature compensation type TDS correction 4 To view the time and date of the stored value press the TIME key once or tw...

Page 72: ...press the EXIT key once or twice to return to the DO Reading mode 6 3 Erasing Data 6 3 1 Erasing Single Data Points 1 Recall the data that will be erased See Section 6 2 2 When the desired data point is displayed press ERASE 3 The meter will display ERASE and flashing Press ENTER to erase the data 4 The meter will recall the next stored sample data Select one of the three options below a Press ERA...

Page 73: ...l mode without erasing b Press the DOWN ARROW to return to the single point erase prompt c Press ENTER to erase all data from the current parameter After all the data are erased the meter will return to the Reading mode 4 To erase all data press the UP ARROW key a second time a Press EXIT to return to the data point in Recall mode without erasing b Press the DOWN ARROW to return to the single poin...

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Page 75: ... connector used for the serial port on most serial printers Table 14 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 applications The Citizen PN60 printer requires a sp...

Page 76: ...nter 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 9 RS232 Cable Connector 9 Pin Connector t...

Page 77: ...on 1 Align the holes in the RS232 cable connector with the pins in the serial port of the Docking Station 2 Gently and firmly push the cable into the Docking Station 3 Tighten the screws on each side of the cable connector see Figure 9 Connect the cable to the computer in the same manner 4 Once the communication link is established press PRINT to send data to the computer To transfer data the comm...

Page 78: ... 44 megabyte floppy disk drive or CD ROM drive Video card capable of 256 colors at 800 x 600 resolution Mouse or other pointing device A 9 pin serial port or 25 pin serial port with 9 pin adapter or port expansion board Windows 95 98 2000 or NT or later 7 2 Sending Data to Printers Computers 7 2 1 Sending Currently Displayed Data To print or transfer a current reading 1 Wait until the display is s...

Page 79: ... printing single data points press the DOWN ARROW c To print all stored data from the current parameter press ENTER The word PRINT will appear until all the data has been printed Then the meter will return to the first recalled sample Press EXIT to return to the reading mode or an arrow key to scroll to a specific data point 4 To send all data press the press the UP ARROW key again a To return to ...

Page 80: ... the units column to determine the parameter Conductivity measurements are shown with units of mS cm or mS cm Salinity is shown with units of parts per thousand TDS is shown with units of mg L Units Sample Temperature Alternate Units Reference Temperature Temperature compensation Date Time Serial Number Software Version 1 400 µS cm 13 5 C 0 450 cm Tref 25 Tc 0 0 10 03 99 08 30 SI512344577 FX X 2 5...

Page 81: ...g conductivity buffer or electrode failure Verify you have the correct buffer and reread 6 DO calibration error Probably caused by calibrating with an unpolarized electrode or using the wrong calibration standard Wait at least 20 30 minutes longer or use the correct standard and redo the DO calibration 7 Measurement overrange error The parameter measurement cannot be calculated correctly pH mV out...

Page 82: ...s 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 electrode 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 cal...

Page 83: ...83 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 85: ... each 49665 00 REQUIRED REAGENTS pH Buffer Powder Pillows pH 4 01 color coded red 1 15 pkg 22269 95 pH 7 00 color coded yellow 1 15 pkg 22270 95 pH 10 00 color coded blue 1 15 pkg 22271 95 Buffer Solutions pH 4 01 color coded red 20 mL 500 mL 22834 49 pH 7 00 color coded yellow 20 mL 500 mL 22835 49 pH 10 01 color coded blue 20 mL 500 mL 22836 49 pH Electrode Storage Powder Pillows 20 pkg 26573 64...

Page 86: ... Solution 50 mL SCDB 14423 26 Phenolphthalein Indicator Solution 15 mL SCDB 162 36 Potassium Chloride ACS 454 g 764 01 Sodium Chloride Standard Solution 1000 mg L 1990 20 µS cm 995 5 TDS 100 mL 2105 42 Sodium Chloride Standard Solution 85 47 mg L 180 10 µS cm 90 5 TDS 100 mL 23075 42 Sodium Chloride Standard Solution 491 mg L 1000 10 µS cm 500 5 TDS 100 mL 14400 42 Sodium Chloride Standard Solutio...

Page 87: ...arometer Digital each 27584 00 BOD Accessory Kit Includes funnel and spacer for Dissolved Oxygen Probe each 51971 00 Dissolved Oxygen Probe Cable 1 meter each 51970 00 Dissolved Oxygen Probe Cable 3 meter each 51970 03 Dissolved Oxygen Probe Cable 15 meter each 51970 15 Calibration Storage Chamber Dissolved Oxygen Probe each 51974 00 Cobalt Standard Solution 100 mg L 100 mL 21503 42 Dissolved Oxyg...

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Page 89: ...tl hach com or contact In Canada Latin America Africa Asia Pacific Rim Telephone 970 669 3050 FAX 970 669 2932 In Europe the Middle East or Mediterranean Africa HACH Company c o Dr Bruno Lange GmbH Willstätterstr 11 D 40549 Düsseldorf Germany Telephone 49 0 211 52 88 0 Fax 49 0 211 52 88 231 By Telephone By Mail 6 30 a m to 5 00 p m MST Monday through Friday 800 227 HACH 800 227 4224 By FAX 970 66...

Page 90: ...lephone 515 232 2533 FAX 515 232 1276 In Canada Hach Sales Service Canada Ltd 1313 Border Street Unit 34 Winnipeg Manitoba R3H 0X4 800 665 7635 Canada only Telephone 204 632 5598 FAX 204 694 5134 E mail canada hach com In Latin America the Caribbean the Far East the Indian Subcontinent Africa Europe or the Middle East Hach Company World Headquarters P O Box 389 Loveland Colorado 80539 0389 U S A T...

Page 91: ...g products or refund all amounts paid by the buyer THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY LIMITATION OF DAMAGES IN NO EVENT SHALL HACH BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND FOR BREACH OF ANY WARRANTY NEGLIGENCE ON THE BASIS OF STRICT LIABILITY OR OTHERWISE This warranty applies only to Hach products purchased and delivered in the United States Catalog d...

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Page 93: ...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 Electrostatic Discharge Immunity Criteria B IEC 1000 4 3 1995 EN 61000 4 3 1996 Radiated RF Electromagnetic Field Immunity Criteria B IEC 1000...

Page 94: ...ed 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 Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 certified compliance by Hach Company This Class A digital apparatus meets all requirements of the Canadian I...

Page 95: ...nt This equipment generates uses 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...

Page 96: ... 0389 Telephone 970 669 3050 FAX 970 669 2932 FORTECHNICAL 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 ...

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