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TruLab pH/ISE 1320

Index

ba76161e01

08/2015

101

17 Index

Automatic switch-off . . . . . . . . . . . . . . . . . . 20
AutoRead

ORP . . . . . . . . . . . . . . . . . . . . . . . . 41, 43
pH . . . . . . . . . . . . . . . . . . . . . . . . . 28, 45

Battery compartment . . . . . . . . . . . . . . 12, 87
Blank value addition . . . . . . . . . . . . . . . . . . 64

Calibration

ISE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
pH . . . . . . . . . . . . . . . . . . . . . . . . . 31, 44

Calibration evaluation

ISE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Calibration interval . . . . . . . . . . . . . . . . . . . 72
Calibration points

pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Connecting a PC . . . . . . . . . . . . . . . . . . . . 86

Dataset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Date and time . . . . . . . . . . . . . . . . . . . . . . . 25
Default settings

Measured parameter . . . . . . . . . . . . . . 77
System settings . . . . . . . . . . . . . . . . . . 78

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Energy saving mode . . . . . . . . . . . . . . . . . 82

Firmware update . . . . . . . . . . . . . . . . . . . . 98

Initial commissioning . . . . . . . . . . . . . . . . . 11
Initialize . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Interval for calibration . . . . . . . . . . . . . . . . . 72

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Measured value display . . . . . . . . . . . . . . . 21
Measurement accuracy . . . . . . . . . . . . . . . 72

Measurement data storage

Edit   . . . . . . . . . . . . . . . . . . . . . . . . . . .  82
Erase . . . . . . . . . . . . . . . . . . . . . . . . . .  82
Storage locations   . . . . . . . . . . . . . . . .  84

Measurement dataset . . . . . . . . . . . . . . . . 84
Measuring

ISE   . . . . . . . . . . . . . . . . . . . . . . . . . . .  45
ORP   . . . . . . . . . . . . . . . . . . . . . . . . . .  43
ORP voltage  . . . . . . . . . . . . . . . . . . . .  41
pH  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

Measuring method . . . . . . . . . . . . . . . . . . 54

Blank value addition   . . . . . . . . . . . . . .  64
Sample addition   . . . . . . . . . . . . . . . . .  60
Sample subtraction  . . . . . . . . . . . . . . .  62
Standard addition   . . . . . . . . . . . . . . . .  55
Standard subtraction  . . . . . . . . . . . . . .  57

Menus (navigation) . . . . . . . . . . . . . . . . . . 21
Messages . . . . . . . . . . . . . . . . . . . . . . . . . 22

pH buffer sets  . . . . . . . . . . . . . . . . . . . . . .  69
Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  85
Printer (only pH 7320P) . . . . . . . . . . . . . . .  14

Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Sample addition   . . . . . . . . . . . . . . . . . . . .  60
Sample subtraction  . . . . . . . . . . . . . . . . . .  62
Scope of delivery . . . . . . . . . . . . . . . . . . . .  11
Single-point calibration

pH . . . . . . . . . . . . . . . . . . . . . . . . . 32, 3 5

Slope

ISE . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Socket field . . . . . . . . . . . . . . . . . . . . . . . . 19
Standard addition . . . . . . . . . . . . . . . . . . . 55
Standard addition with blank

value correction . . . . . . . . . . . . . . . 64

Standard subtraction  . . . . . . . . . . . . . . . . .  57
Storage interval  . . . . . . . . . . . . . . . . . . . . .  80
Storing in memory  . . . . . . . . . . . . . . . . . . .  79

Automatic . . . . . . . . . . . . . . . . . . . . . . 80
Manual . . . . . . . . . . . . . . . . . . . . . . . . 79

Содержание YSI pH/ISE 1320P

Страница 1: ...OPERATIONS MANUAL ba76161e01 08 2015 TruLab pH ISE 1320 P PH ISE METER pH ISE 1320P pH ISE 1320 pH ISE 1320P pH ISE 1320...

Страница 2: ...1320 For the most recent version of the manual please visit www ysi com Contact YSI 1725 Brannum Lane Yellow Springs OH 45387 USA Tel 1 937 767 7241 800 765 4974 Email environmental ysi com Internet w...

Страница 3: ...elivery 11 3 2 Power supply 11 3 3 Initial commissioning 11 3 3 1 Inserting the batteries 12 3 3 2 Connecting the power pack 13 3 3 3 Mounting the stand 13 4 Printer only TruLab pH ISE 1320 P 14 4 1 C...

Страница 4: ...1 7 1 Measuring 41 7 1 1 Measuring the ORP 41 7 1 2 Measuring the relative ORP 43 7 1 3 Measuring the temperature 44 7 2 ORP calibration 44 8 Ion concentration 45 8 1 Measuring 45 8 1 1 Measuring the...

Страница 5: ...3 4 Storage locations 84 11 Transmitting data USB interface 85 11 1 Options for data transmission 85 11 2 Connecting a PC 86 11 3 MultiLab Importer 86 12 Maintenance cleaning disposal 87 12 1 Mainten...

Страница 6: ...Contents TruLab pH ISE 1320 6 ba76161e01 08 2015...

Страница 7: ...t pH measurements ORP measurements and ion selective measurements quickly and reliably The TruLab pH ISE 1320 provides the maximum degree of operating comfort reliability and measuring certainty for a...

Страница 8: ...system ready to measure consists of the TruLab pH ISE 1320 meter and a suitable sensor Suitable sensors are pH electrodes ORP electrodes and ion selective elec trodes ISE The information concerning th...

Страница 9: ...ods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery compartment A warning s...

Страница 10: ...wing points for safe operation The meter may only be operated according to the authorized use specified above The meter may only be supplied with power by the energy sources mentioned in this operatin...

Страница 11: ...wer supply The TruLab pH ISE 1320 is supplied with power in the following ways Mains operation with the supplied power pack Battery operation 4 x alkaline manganese batteries type AA USB operation via...

Страница 12: ...ed 1 Battery compartment 1 Open the battery compartment 1 on the underside of the meter CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the batteries must corr...

Страница 13: ...ine voltage at the operating site must lie within the input voltage range of the original power pack see section 14 TECH NICAL DATA page 94 CAUTION Use original power packs only see section 14 TECHNIC...

Страница 14: ...FEED and ON OFF 3 Lever to open the paper compartment 4 Lid of the paper compartment 2 1 3 4 1 Connect the power pack to the TruLab pH ISE 1320 P The LED lights up green The printer is ready for opera...

Страница 15: ...4 1 Changing the roll of paper thermal paper Menu item Possible set ting Description System Printer Font size 12x20 8x16 7x16 Select the font size for the printer A print sample font of the printer t...

Страница 16: ...from the meter Function store automatically at intervals with long intervals is switched on Switch off the function see section 10 2 AUTOMATIC DATA STORAGE AT INTERVALS page 80 No paper available Inse...

Страница 17: ...tic data output to the USB inter face On Off Switches the meter on or off M Selects the measured parameter Quits the settings CAL CAL__ Calls up the calibration procedure Displays the calibration data...

Страница 18: ...control CMC function 5 Channel display Plug position of the sensor 6 Sensor symbol calibration evaluation calibration interval 7 Measured temperature with unit 8 Status information meter 9 Softkeys an...

Страница 19: ...ensor 2 7 Mini USB B interface 8 Power pack 9 Service interface CAUTION Only connect sensors to the meter that cannot return any volt ages or currents that are not allowed SELV and current circuit wit...

Страница 20: ...ge function is active or with automatic data trans mission if the power pack is connected Display illumination The meter automatically switches off the display illumination if no key is pressed for 30...

Страница 21: ...he menus for settings and dialogs in procedures contain further submenus To select a subelement use the keys The current selection is dis played with a frame To make further settings switch to the nex...

Страница 22: ...rming with MENU ENTER Example Display the Calibration record function Messages Information is marked by the i symbol They cannot be selected Example General Interface Clock Service information Reset S...

Страница 23: ...instrument is in the setting mode 3 Select the System submenu with The current selection is displayed with a frame 4 Open the System submenu with MENU ENTER Calibration record Calibration data storage...

Страница 24: ...onfirm the setting with MENU ENTER The meter switches to the measuring mode The selected language is active General Interface Clock Service information Reset System 12 12 2012 12 12 Back Language Deut...

Страница 25: ...the display of day month year dd mm yyyy to the display of month day year mm dd yyyy or mm dd yyyy After a fall of the supply voltage empty batteries the date and time are reset 1 In the measured val...

Страница 26: ...f necessary set the Date and Date format The setting is made similarly to that of the time 8 To make further settings switch to the next higher menu level with Back F1 or Switch to the measured value...

Страница 27: ...y of all connected sensors Detailed display of one sensor e g incl CMC feature with pH sensors With the softkey you can very easily switch between the two display types The suitable softkey is display...

Страница 28: ...n the automatic Stability control is switched off You can activate or switch off the automatic Stability control function see section 9 3 1 SYSTEM page 76 To ensure the high measurement accuracy of th...

Страница 29: ...f the measured parameter flashes The HOLD AR status indicator appears as soon as a stable mea sured value is recognized The progress bar disappears and the dis play of the measured parameter stops fla...

Страница 30: ...nual determination and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement The display of the...

Страница 31: ...9 1 1 SETTINGS FOR PH MEASUREMENTS PAGE 67 Use any one to five buffer solutions of the selected buffer set in ascending or descending order Below calibration with Technical buffers TEC is described W...

Страница 32: ...asurement with stability control or accept the calibration value with ENTER The calibration display for the next buffer appears voltage display 1 0 If necessary finish the calibration procedure as a s...

Страница 33: ...n procedure as a two point calibration with M The calibration record is displayed pH 0 0 24 8 C AutoCal YSI 7 000 12 12 2012 12 12 AR Buffer mV 1 7 Thoroughly rinse the electrode with deionized water...

Страница 34: ...ation record is displayed 1 Connect the pH electrode to the meter The pH measuring window is displayed 2 Keep the buffer solutions ready When measuring without temperature sensor Temper the buffer sol...

Страница 35: ...point calibration with M The calibration record is displayed For single point calibration the instrument uses the Nernst slope 59 2 mV pH at 25 C and determines the zero point of the elec trode pH 0 0...

Страница 36: ...wo point calibration with M The calibration record is displayed pH 4 035 24 8 C ConCal 2 12 12 2012 12 12 Buffer 2 1 Thoroughly rinse the electrode with deionized water 2 2 Immerse the electrode in th...

Страница 37: ...finish calibration or Continue calibrating using the next buffer with ENTER After the fifth buffer has been measured the calibration is automat ically finished Then the calibration record is displaye...

Страница 38: ...ation After calibrating the meter automatically evaluates the calibration The zero point and slope are evaluated separately The worse evaluation of both is taken into account The evaluation appears on...

Страница 39: ...50 0 Clean the electrode according to the elec trode operating manual Error Error 30 30 62 0 50 0 Error elimination see section 13 WHAT TO DO IF page 89 pH ISE 1320 Ser no 11292113 CALIBRATIONpH 12 12...

Страница 40: ...lid calibration is available white Measured values in this range are suitable for documentation 2 Measuring range for which no valid calibration is available shaded Measured values in this range are n...

Страница 41: ...value is outside the stability range when you switch over between the measured parameters with M when the automatic Stability control is switched off Criteria for a stable measured value The Stabilit...

Страница 42: ...The AR status indicator appears while the measured value is assessed as not stable A progress bar is displayed and the display of the mea sured parameter flashes The HOLD AR status indicator appears...

Страница 43: ...ion for the determination of the reference point 3 Select the U mV display with M 4 Immerse the ORP electrode in the reference solution 5 Display the potential of the current zero point with CAL 6 Pre...

Страница 44: ...er a suitable sensor is connected and automatically switches on the temperature measurement The display of the temperature indicates the active temperature measuring mode If you wish to measure or cal...

Страница 45: ...t measured values Calibrate regularly before measuring For precise ISE measurements the temperature difference between measurement and calibration should not be greater that 2 K Therefore adjust the t...

Страница 46: ...the measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as a stable mea sured value is...

Страница 47: ...e The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement The display of the temperature indicates the active temperature m...

Страница 48: ...Calibration ISE Cal ISE Cal is the conventional two point to seven point calibration procedure that uses 2 to 7 freely selectable standard solutions The concentration expected for the measurement det...

Страница 49: ...ure Use F2 T C to select the setting of the concentration 10 Set the concentration of the standard solution with and press MENU ENTER The standard solution is measured The measured value is checked fo...

Страница 50: ...ation 15 Set the concentration of the standard solution with and press MENU ENTER The standard solution is measured The measured value is checked for stability AutoRead 16 Wait for the end of the Auto...

Страница 51: ...F2 USB output Displaying the calibration data storage The calibration records of the last calibrations up to 10 are given in the menu MENU ENTER ISE Calibration Calibration data storage Select the uni...

Страница 52: ...Quit the display with F1 Back or MENU ENTER Switch directly to the mea sured value display with M Calibration Calibration data stor age Output to USB Outputs the calibration records to the interface D...

Страница 53: ...TruLab pH ISE 1320 Ser no 12345678 CALIBRATION ISE 18 01 2013 08 09 10 Sensor Ser no 12345678 Standard 1 0 010 mg l Standard 2 0 020 mg l Voltage 1 38 5 mV Voltage 2 58 0 mV Temperature 1 24 0 C Tempe...

Страница 54: ...the test sample with a ther mometer 4 Open the ISE menu with MENU ENTER 5 Thoroughly rinse the electrode with distilled water 6 Adjust the temperature of the standard solutions 7 Select Method with an...

Страница 55: ...value is achieved for the second standard calibration solution CALIBRATION 12 12 2012 12 12 12 1 0 010 mg l 20 2 mV 25 0 C 2 0 100 mg l 79 2 mV 25 0 C Slp 59 0 mV Sensor Ion type Ag 12 12 2012 12 12...

Страница 56: ...14 Select Continue with and start the measurement with MENU ENTER The measurement result is displayed when the measurement is com pleted 15 If necessary start measuring further samples with MENU ENTER...

Страница 57: ...3 Perform a two point calibration according to user guidance 4 The calibration record is displayed as soon as a stable value is achieved for the second standard calibration solution CALIBRATION 12 12...

Страница 58: ...c 14 If necessary set the ion type for the ion in the standard Ion type with and MENU ENTER On selection of the ion type that can be defined ION Using and MENU ENTER set the valence Valency and molar...

Страница 59: ...TruLab pH ISE 1320 Ion concentration ba76161e01 08 2015 59 18 Select Yes with 19 Confirm Yes with MENU ENTER Measurement with the selected method is completed...

Страница 60: ...libration solution CALIBRATION 12 12 2012 12 12 12 1 0 010 mg l 20 2 mV 25 0 C 2 0 100 mg l 79 2 mV 25 0 C Slp 59 0 mV Sensor Ion type Ag 12 12 2012 12 12 Continue USB output 5 Start the measurement w...

Страница 61: ...ith and start the measurement with MENU ENTER The measurement result is displayed when the measurement is com pleted 15 If necessary start measuring further samples with MENU ENTER Repeat steps 6 12 f...

Страница 62: ...ry set the ion type for the ion in the standard Ion type sub with and MENU ENTER On selection of the ion type that can be defined ION Using and MENU ENTER set the valence Valency and molar weight Mola...

Страница 63: ...tion Std conc and the volume of the ISA TISAB solu tion ISA TISAB vol 13 Select Continue with and start the measurement with MENU ENTER When the measurement is finished an entry window appears 14 Add...

Страница 64: ...d from the change in potential Calibration 17 If necessary start measuring further samples with MENU ENTER Repeat steps 8 16 for all samples 18 Terminate the measuring method with M A safety query app...

Страница 65: ...upplemented with blank value solution 10 Using and MENU ENTER enter the values for the vol ume of the sample Sample volume the volume of the ISA TISAB solution ISA TISAB vol the volume of the blank va...

Страница 66: ...ntinue with and start the measurement with MENU ENTER The measurement result is displayed when the measurement is completed 15 If necessary start measuring further samples with MENU ENTER Repeat steps...

Страница 67: ...listed that concern the pH mea surement Default settings are printed in bold Menu item Possible set ting Description Calibration Cali bration record Displays the calibration record of the last calibra...

Страница 68: ...ter reminds you to calibrate regularly by the flashing sensor symbol in the measuring screen Calibration Unit for slope mV pH Unit of the slope The display refers to the Nernst slope of 59 2 mV pH 100...

Страница 69: ...itoring pH monitoring On pH lower limit 2 20 Lower limit A message is output to the USB interface if it is exceeded This menu item is only visible when the pH monitoring setting is active Limit monito...

Страница 70: ...4 660 6 880 9 220 20 C 8 Merck 4 2 000 4 000 7 000 10 000 20 C 9 Merck 5 4 010 7 000 10 000 25 C 10 DIN 19267 1 090 4 650 6 790 9 230 25 C 11 Mettler Toledo USA 1 679 4 003 7 002 10 013 25 C 12 Mettl...

Страница 71: ...on Duracal 4 005 7 002 10 013 25 C 20 Precisa 3 996 7 003 8 999 25 C 21 Reagecon TEC 2 000 4 010 7 000 10 000 25 C 22 Reagecon 20 2 000 4 000 7 000 10 000 13 000 20 C 23 Reagecon 25 2 000 4 000 7 000...

Страница 72: ...ure Setting the calibration interval The calibration interval is set to 7 days in the factory You can change the interval 1 999 days To ensure the high measuring accuracy of the measuring system calib...

Страница 73: ...he measured value display with M In the following table only those settings are listed that influence the ORP mea surement Default settings are printed in bold Menu item Possible setting Description A...

Страница 74: ...ation data stor age Display Displays the calibration record Further options Scroll through the cali bration records with Output the displayed cal ibration record to the interface with F2 USB output Ou...

Страница 75: ...on type to be measured An ion that is not included in the list can be measured with the setting ION ISE setup Unit mg l mol l mg kg ppm Selection with which unit the measurement result and calibration...

Страница 76: ...stem General Contrast 0 50 100 Changes the display contrast System General Switchoff time 10 min 1h 24 h Adjusts the switch off time System General Temperature unit C F Temperature unit degrees Celsiu...

Страница 77: ...f the TruLab pH ISE 1320P For details see section 4 PRINTER ONLY TRULAB PH ISE 1320 P page 14 System Clock Date format Datum Time Time and date settings see section 5 4 6 EXAMPLE 2 ON NAVIGATION SETTI...

Страница 78: ...ivery status The system settings are reset in the menu Storage config System Reset To open the Storage config menu press the MENU ENTER__ key in the measured value display Resolution pH 0 001 Resoluti...

Страница 79: ...ta storage You can transmit a measurement dataset to the data storage as follows With each data storage process the current datasets of the sensors indicated on the display are transmitted to the inte...

Страница 80: ...intervals The storage interval Interval determines the time interval between automatic data storage processes With each data storage process the current datasets of the sensors indicated on the displa...

Страница 81: ...s 30 s 1 min 5 min 10 min 15 min 30 min 60 min Storage interval The lower limit of the storage interval can be restricted by the number of free storage locations The upper limit is restricted by the...

Страница 82: ...torage The contents of the manual or automatic measurement data storage can be shown on the display and output to the interface Each of the measurement data storages has a function to erase the entire...

Страница 83: ...storage Erase Erases the entire manual mea surement data storage All calibration data remain stored when this action is performed Data storage Manual data storage Output to USB Outputs all stored meas...

Страница 84: ...dataset includes ID number Date time Measured values of the connected sensors Measured temperature value of the connected sensors or manually set tem perature AutoRead info The AR indicator appears wi...

Страница 85: ...ou can set the transmission interval Simultaneously with every auto matic data storage process see section 10 2 AUTOMATIC DATA STORAGE AT INTERVALS page 80 Stored mea sured values Manual Displayed dat...

Страница 86: ...with Pentium processor or higher with at least one free USB connection and CD ROM drive Windows XP Windows 7 11 3 MultiLab Importer With the aid of the MultiLab Importer software you can record and ev...

Страница 87: ...e You can operate the meter either with normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Battery compartment 1 Open the...

Страница 88: ...s please contact your supplier 4 Close the battery compartment 1 5 Set the date and time see section 5 4 6 EXAMPLE 2 ON NAVIGATION SETTING THE DATE AND TIME page 25 When the batteries are nearly disch...

Страница 89: ...Air in the junction Extract air or moisten junction Cable broken Replace electrode Gel electrolyte dried out Replace electrode Measured value outside the mea suring range Use suitable electrode Cause...

Страница 90: ...xcluded if necessary Temperature not stable Temper if necessary Electrode test sample Conductivity too low Use a suitable electrode Temperature too high Use a suitable electrode Organic liquids Use a...

Страница 91: ...n Use a suitable electrode or select a suitable ion Socket damp Dry the socket Electrode needs maintenance Use service and storage recom mendations in the electrode manual Replace internal fill soluti...

Страница 92: ...ly Prepare fresh and accurate standards Use ionic strength adjustor ISA Stir the solution with stir bar and plate Cause Remedy Cause Remedy Temperature difference between measurement and calibration g...

Страница 93: ...expired Recalibrate the measuring system Cause Remedy Batteries almost empty Replace the batteries see section 12 1 MAINTENANCE page 87 Cause Remedy Operating condition undefined or EMC load unallowed...

Страница 94: ...arameter Range Increment Tmanual C 25 130 1 Tmanual F 13 266 1 Accuracy 1 digit Parameter Accuracy Temperature of the test sample pH range 2 0 20 0 0 1 15 C 35 C 2 00 20 00 0 01 15 C 35 C 2 000 19 999...

Страница 95: ...1 0 01 0 1 1 ISE mol l 0 000 9 999 10 00 99 99 100 0 999 9 1000 9999 0 001 0 01 0 1 1 mmol l 1000 999999 1 ISE mg kg 0 000 9 999 10 00 99 99 100 0 999 9 1000 999999 0 001 0 01 0 1 1 ISE ppm 0 000 9 99...

Страница 96: ...30 days year 95 Other days 85 Power supply Batteries 4 x 1 5 V alkali manganese batteries type AA Rechargeable batteries 4 x 1 2 V NiMH rechargeable batteries type AA no charging function Operational...

Страница 97: ...es These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radi...

Страница 98: ...PAGE 93 1 Install the downloaded firmware update on a PC An update folder is created in the Windows start menu If an update folder already exists for the meter or meter type the new data is displayed...

Страница 99: ...activity divided by the unit of the molality The practical pH value is the value of a pH measurement Potentiometry Name of a measuring technique The signal depending on the mea sured parameter of the...

Страница 100: ...tween two measured values that can be dis played by a meter Stability control Au toRead Function to control the measured value stability Standard solution The standard solution is a solution where the...

Страница 101: ...K Keys 17 M Measured value display 21 Measurement accuracy 72 Measurement data storage Edit 82 Erase 82 Storage locations 84 Measurement dataset 84 Measuring ISE 45 ORP 43 ORP voltage 41 pH 28 Measuri...

Страница 102: ...015 T Temperature measurement ISE 47 pH 30 44 Three point calibration ISE 50 pH 33 36 Transmitting data 85 Automatic 85 Manual 85 Transmitting measured values 85 Two point calibration ISE 49 pH 32 35...

Страница 103: ...rning a product for service include the Product Return form with cleaning certification The form must be completely filled out for an YSI Service Center to accept the instrument for service The Produc...

Страница 104: ...Contact Information TruLab pH ISE 1320 104 ba76161e01 08 2015...

Страница 105: ......

Страница 106: ...and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with cus...

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