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Hanna Instruments HI98192 Instruction Manual Download Page 47

47

This feature allows the user to log up to 400 readings. All logged data can be transferred to a PC 
through the 

USB 

port using 

HI92000

 application.

LOGGING THE CURRENT DATA

To store the current reading into memory, press 

LOG

 while in measurement mode.

The instrument will display the record number and the amount of free log space for several seconds 
after the LOG option is selected.

If the log space is full, the 

“Log space is full”

 message will be displayed for few seconds when Log 

key is invoked. 

Enter 

View Logged Data

 mode and delete records in order to free log space.

VIEW LOG ON DEMAND  DATA

Press 

RCL 

to enter 

View Logged Data

 mode.

Press 

Man.Log

 to enter the log on demand range selection.

LOG ON DEMAND

Summary of Contents for HI98192

Page 1: ...INSTRUCTION MANUAL HI98192 USP Compliant EC TDS NaCl Resistivity Temperature Meter ...

Page 2: ... instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannainst com All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments Inc Woonsocket Rhode Island 02895 USA Dear Customer...

Page 3: ...ATURE CHART USP MEASUREMENT USP MODE PROCEDURES USER CALIBRATION EC CALIBRATION GOOD LABORATORY PRACTICE GLP SETUP LOG ON DEMAND AUTOLOG AutoEnd TEMPERATURE CALIBRATION for technical personnel only PC INTERFACE BATTERIES REPLACEMENT TROUBLESHOOTING GUIDE PROBE MAINTENANCE ACCESSORIES TABLE OF CONTENTS 4 5 7 14 16 21 26 35 50 53 63 65 6 9 15 17 25 33 47 52 56 64 66 ...

Page 4: ...be with temperature sensor 1 5 m cable HI7031M 1413 µS cm calibration solution 230 ml HI7035M 111 8 mS cm calibration solution 230 ml HI920015 Micro USB cable HI92000 PC Software 100 mL Plastic Beaker 2 pcs 1 5 V AA Batteries 4 pcs Instruction Manual and Quick Reference Guide Certificate PRELIMINARY EXAMINATION Note Save all packing material until you are sure that the instrument functions correct...

Page 5: ...r when the electrode needs cleaning User selectable Outside Calibration Range warning User selectable calibration time out to remind when a new calibration is necessary Moreover they offer an extended temperature range from 20 0 to 120 0 C 4 0 to 248 0 F using temperature sensor inside EC electrode This instrument can also measure in Resistivity TDS and Salinity ranges Three salinity modes are ava...

Page 6: ... to toggle display backlighting 6 GLP key to display Good Laboratory Practice information 7 CAL key to enter exit calibration mode 8 SETUP key to enter exit SETUP mode 9 RCL key to enter exit view logged data mode 10 MODE key to toggle between EC USP and Salinity ranges 11 RANGE key to switch between EC Resistivity TDS NaCl 12 HELP key to enter exit contextual help 13 ESC to leave current mode exi...

Page 7: ... cm Accuracy 1 of reading 0 01 µS cm or 1 digit whichever greater Resistivity Range 1 0 to 99 9 Ω cm 100 to 999 Ω cm 1 00 to 9 99 KΩ cm 10 0 to 99 9 KΩ cm 100 to 999 KΩ cm 1 00 to 9 99 MΩ cm 10 0 to 100 0 MΩ cm autoranging Resolution 0 1 Ω cm 1 Ω cm 0 01 KΩ cm 0 1 KΩ cm 1 KΩ cm 0 01 MΩ cm 0 1 MΩ cm Accuracy 1 of reading 10 Ω cm or 1 digit whichever greater TDS Range 0 00 to 99 99 ppm 100 0 to 999 ...

Page 8: ...ted Standards USP compliant EC Probe HI763133 8 pin DIN 1 5 m cable Temperature Source Automatic from sensor inside the probe Manual entry Temperature Compensation NoTC Linear Non Linear ISO DIS 7888 std Reference Temperature 15 20 25 C Temperature Coeficient 0 00 to 10 00 C TDS Factor 0 40 to 1 00 Log on Demand 400 samples Lot Logging 5 10 30 sec 1 2 5 10 15 30 60 120 180 min max 1000 samples Mem...

Page 9: ...y life To set another period or to disable this feature see SETUP menu on page 35 The instrument continues to monitor the inputs and memorize readings if the automatic logging is enabled and started To stop autologging press StopLog key or simply power off the instrument by pressing the ON OFF key The Auto Light Off backlight feature turns the backlight off after a set period default 1 min with no...

Page 10: ...erature can be entered by the user Manual option selected in SETUP or temperature out of range Resistivity range The reciprocal of the conductivity of a material is the resistivity TDS range A conductivity measured value can be corrected to a total dissolved solids value using the TDS factor Salinity The salinity is derived from the conductivity of a sample Salt range The percent of salinity in a ...

Page 11: ...nsated conductivity at T C C 35 15 42 914 mS cm the corresponding conductivity of KCl solution containing a mass of 32 4356 g KCl 1 Kg solution rT temperature compensation polynom Note The formula can be applied for temperatures between 10 C and 31 C To access this range press Mode while in Salinity range until the seawater scale SW is displayed Practical salinity scale This is a practical scale b...

Page 12: ... of KCl solution containing a mass of 32 4356 g KCl 1 Kg solution rT temperature compensation polynom a0 0 008 b0 0 0005 a1 0 1692 b1 0 0056 a2 25 3851 b2 0 0066 a3 14 0941 b3 0 0375 a4 7 0261 b4 0 0636 a5 2 7081 b5 0 0144 c0 0 008 c1 0 0005 X 400RT Y 100RT f T T 15 1 0 0162 T 15 Notes The formula can be applied for salinity values between 0 and 42 PSU The formula can be applied for temperatures b...

Page 13: ...amples TDS reading is obtained by multiplying the EC reading by the TDS factor which has a default value of 0 50 It is possible to change the TDS factor in the 0 40 to 1 00 range by entering SETUP mode The probes designed to work with this instrument have an internal ID identification Every time the instrument detects probe changing it reminds the user to update the cell constant of the new probe ...

Page 14: ...key again The autoranging mode is also disabled by selecting a fixed range in the SETUP menu While in fixed range mode the instrument will display the readings with the fixed resolution A maximum of 6 digits canbedisplayed Thetopofthefixedrangeisdisplayedblinkingwhenthereadingexceedsthisvalue To disable fixed range mode enter SETUP and select autoranging mode Note Autoranging is automatically rest...

Page 15: ...able see SETUP mode Non Linear Temperature Compensation for natural water measurements The conductivity of natural water shows strong non linear temperature behavior A polynomial relationship is used to improve the accuracy of the calculated results Note Conductivity measurements of natural water can only be performed at temperatures ranging from 0 to 36 C Otherwise the Out T range message will be...

Page 16: ...HI7033 HI8033 µS cm HI7034 HI8034 µS cm HI7035 HI8035 µS cm HI7039 HI8039 µS cm 0 5 10 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0 41 0 50 0 59 0 60 8 62 6 64 4 66 2 68 0 69 8 71 6 73 4 75 2 77 0 78 8 80 6 82 4 84 2 86 0 87 8 7150 8220 9330 10480 10720 10950 11190 11430 11670 11910 12150 12390 12640 12880 13130 13370 13620 13870 14120 14370 776 896 1020 1147 1173 1199 1225 1251 1278 13...

Page 17: ... order to determine if the excessive conductivity value is due to intrinsic factors or extraneous ions USP Requirements Automatic temperature correction must not be used Instrument specifications Minimum resolution of 0 1 µS cm on the lowest range Excluding the cell accuracy the instrument accuracy must be 0 1 µS cm Meter calibration It is accomplished by replacing the conductivity cell with preci...

Page 18: ...the conductivity is higher than the table value proceed with Stage 2 Stage 1 table Temperature and conductivity requirements for the non temperature compensated conductivity measurements only Temperature C Conductivity µS cm 0 0 6 5 0 8 10 0 9 15 1 0 20 1 1 25 1 3 30 1 4 35 1 5 40 1 7 45 1 8 50 1 9 55 2 1 60 2 2 65 2 4 70 2 5 75 2 7 80 2 7 85 2 7 90 2 7 95 2 9 100 3 1 Values from USP NF Fifth Supp...

Page 19: ...oceed with Stage 3 Stage 3 Determine the combined effect of the CO2 and pH Use a Hanna Instruments pH meter Take care that the instrument is calibrated in at least two points using pH 4 01 and pH 7 01 Hanna buffers Perform the following test within approximately 5 minutes of the conductivity determination while maintaining the sample temperature at 25 1 C Add the Saturated KCl Solution to the samp...

Page 20: ...sphere and temperature equilibrated samples only pH Conductivity µS cm 5 0 4 7 5 1 4 1 5 2 3 6 5 3 3 3 5 4 3 0 5 5 2 8 5 6 2 6 5 7 2 5 5 8 2 4 5 9 2 4 6 0 2 4 6 1 2 4 6 2 2 5 6 3 2 4 6 4 2 3 6 5 2 2 6 6 2 1 6 7 2 6 6 8 3 1 6 9 3 8 7 0 4 6 USP MEASUREMENT ...

Page 21: ...00 value To increase the accuracy of the analysis decrease the USP factor value Wait until reading is stable If the sample reading meets the USP Stage 1 criteria the USP Met message will be displayed Use the keys to scroll the tutorial message Press Continue to skip the tutorial message and enter EC measuring mode Press Stage 1 to start with first stage evaluation Press Stage 2 to start with secon...

Page 22: ...usly stored records Ifthesamplereadingdidn tmeettheUSPStage1criteria the USPNotMet messageisdisplayed Press ESC to return to the USP main screen Press Report to view USP report Press Log to store the Stage 1 report Press Stage 2 to enter USP Stage 2 mode The USP Stage 2 tutorial screen is displayed Use the keys to scroll the tutorial message Press Continue to skip the tutorial message and enter US...

Page 23: ...SP Not Met message is displayed if the USP Stage 2 criteria is not met Wait until the reading is stable about 5 minutes Note If the input record has an instability higher than 1 mS stability period will be reset The completion time bar will remain empty The USP Met message will be displayed if the USP Stage 2 criteria is reached Press Report to view the USP report Press Log to store report Press R...

Page 24: ...de by pressing RCL key and free log space by deleting previously stored records Press Stage 3 to enter in Stage 3 water analysis The USP Stage 3 tutorial is displayed Press Continue to enter USP Stage 3 analysis The instrument will display the sample pH setting mode Use a calibrated pH meter to read the pH value of the sample Use keys to set the value to that displayed on the pH meter Press Accept...

Page 25: ...ange From EC range Press the corresponding functional key to enter EC user calibration Probe replatinization Temperature user calibration From Salinity range Press the corresponding functional key to enter Salinity user calibration Temperature user calibration USER CALIBRATION ...

Page 26: ...oint calibration is suggested offset calibration in 0 00 µS and one in any other calibration standard Theinstrumentwillautomaticallyrecognizethestandardsandskipthe standardusedduringcalibration If a five point calibration is performed one of the points must be 0 0 µS offset Pour small quantities of selected standard solutions into clean beakers For accurate calibration use two beakers for each sta...

Page 27: ... stable Whenthereadingisstableandwithinrangeoftheselectedbuffer CFM functional key is displayed Press CFM to confirm first point The calibrated value and the second expected standard value is then displayed on the LCD After the first calibration point is confirmed immerse the EC electrode into the second standard solution and stir gently Tap the probe repeatedly to remove any air bubbles that may ...

Page 28: ...e any air bubbles that may be trapped inside the sleeve The instrument will automatically detect the standard value If necessary press the keys to select a different standard value The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected standard the CFM functional key is displayed Press CFM to confirm calibration The calibrated value an...

Page 29: ...s that may be trapped inside the sleeve The instrument will automatically detect the standard value If necessary press the keys to select a different standard value The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected standard the CFM functional key is displayed Press CFM to confirm calibration EC CALIBRATION ...

Page 30: ...turns to normal measurement mode FOUR THREE or TWO POINT CALIBRATION Proceed as described in FIVE POINT CALIBRATION section Press CAL or ESC after the appropriate accepted calibration point The instruments will return to measurement mode and will store the calibration data The calibrated value and the fourth expected standard will be displayed After the fourth calibration point is confirmed immers...

Page 31: ...rd Ifthecurrentstandardhasnocorrespondenceintheexistingstoredcalibrationstructureandthisisnot full the current standard is added to the existing stored calibration up to 5 standards If the existing stored calibration is full five calibration points after confirming the calibration point the instrument will ask which buffer will be replaced by current standard Press keys to select another standard ...

Page 32: ...the calibration solution or deionized water Immerse the probe into HI7037 solution Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve The tag will blink on the LCD until the reading is stable When the reading is stable the CFM functional key is displayed Notes Iftheuncalibratedreadingistoofarfromtheexpectedvalue calibrationisnotrecognized The Wrong message wil...

Page 33: ...seeSETUPfordetails page35 from1to7daysorcanbedisabled For example if a 4 days time out has been selected the instrument will issue the alarm exactly 4 days after the last calibration However if at any moment the expiration value is changed e g to 5 days then the alarm will be immediately recalculated and appear 5 days after the last calibration Notes When the instrument is not calibrated or calibr...

Page 34: ...he standards that are displayed in video inverse mode are from previous calibrations No user calibration message is displayed if all calibrations are cleared or the instrument was not calibrated in the EC range LAST NaCl CALIBRATION DATA Last NaCl calibration data is stored automatically after a successful calibration To view the NaCl calibration data press GLP key while in NaCl measurement mode T...

Page 35: ... 7 4 Contrast Contrast level 0 to 20 10 Auto light off Time until backlight is ON Disabled 1 5 10 min 1 Auto power off Time after the instrument is powered OFF Disabled 5 10 30 60 min 30 Date Time 01 01 2006 to 12 31 2099 00 00 to 23 59 current date time Time Format AM PM or 24 hours 24 hours Date format DD MM YYYY MM DD YYYY YYYY MM DD YYYY MM DD Mon DD YYYY DD Mon YYYY YYYY Mon DD YYYY MM DD Lan...

Page 36: ...ual Probe Temperature compensation No TC Linear Non Linear Linear Range select Fix one specific range Automatic Fix one resolution of EC or resistivity range Automatic Cell constant Manual set of the cell constant 0 010 to 10 000 1 000 Temperature Coefficient Set the coefficient for linear temperature compensation 0 00 to 10 00 C 1 90 C Temperature Ref C Reference temperature 15 C 20 C 25 C 25 C T...

Page 37: ... added information about calibration on EC and NaCl range the setup cell constant information about temperature setting reference temperature temperature compensation mode temperature coefficient temperature source and information about fixed ranges If calibration exists the GLP functional key is displayed Press GLP EC to view the corresponding GLP EC information Press GLP NaCl to view the corresp...

Page 38: ... and return to the previous screen Press ESC to return to profile list screen Logging Interval Highlight Logging interval Press Modify Press Accept to confirm the value Press ESC to exit without saving Backlight Highlight Backlight SETUP Use the keys to select the logging interval If Disabled action is selected the Autolog feature is disabled and Log on demand is enabled ...

Page 39: ...ntrast then press Accept to confirm Press ESC to leave without changing Auto Light Off Highlight Auto Light Off Press 5 10 or Disabled to change settings Press one of the functional keys to change the option Auto Power Off Highlight Auto Power Off Press Modify SETUP ...

Page 40: ...nging Date Time Highlight Date Time Press Modify Use keys to select item Use keys to change focused values Press Accept to confirm new setting or ESC to leave without changing Time Format Highlight Time Format Press functional key to change the option Date Format Highlight Date Format SETUP ...

Page 41: ...lable Beep On Highlight Beep On Press the displayed functional key to enable disable key When enabled beep sounds as a short beep every time a key is pressed or when the calibration icon can be confirmed A long beep alert that the pressed key is not active or a wrong condition is detected while in calibration Instrument ID Highlight Instrument ID Press Modify Use keys to change the instrument ID P...

Page 42: ...he desired communication baud Press Accept to confirm or ESC to exit Meter information Highlight Meter Information Press Select The meter information is displayed Firmware version Language version mV and temperature factory calibration time date Battery capacity SETUP ...

Page 43: ...out saving Note If enabled CAL DUE warning will be displayed the set number of days after calibration is over passed Out of calibration range check Highlight Out of cal range check Press the corresponding functional key in order to enable disable this feature If enabled a warning message is displayed when the EC reading is too far from the EC calibration points SETUP ...

Page 44: ...ys Temperature Compensation Highlight T Compensation Press one of the selected functional keys to change the option Select No TC in order to display actual conductivity no temperature compensation SelectLinearinordertoautomaticallycompensateconductivityusingthesettemperaturecoefficient Select Non Linear temperature compensation for natural water measurements using the natural water compensation eq...

Page 45: ...responding range The readings will be displayed with maximum 6 digits If the reading exceeds the maximum number of digits for the fixed range the maximum value is displayed blinking Note The Range select parameter can be set only in EC and Resistivity range Cell Constant Highlight Cell Constant Press Modify to change the cell constant value Use keys to change the cell constant value Press Accept t...

Page 46: ...hange the value Press Accept to confirm or ESC to exit without changing Temperature Reference Highlight Temperature Ref C Press the corresponding functional key to select the desired reference temperature Temperature Unit Highlight Temperature Unit Press the displayed functional key in order to change the temperature unit SETUP ...

Page 47: ...he instrument will display the record number and the amount of free log space for several seconds after the LOG option is selected If the log space is full the Log space is full message will be displayed for few seconds when Log key is invoked Enter View Logged Data mode and delete records in order to free log space VIEW LOG ON DEMAND DATA Press RCL to enter View Logged Data mode Press Man Log to ...

Page 48: ... to enter Delete records screen Press More to view more information of the selected record If More is pressed Use Pg Up or Pg Down keys to toggle the complete information screens Use keys to scroll between stored records If Delete is pressed LOG ON DEMAND Use key to select the record to be deleted and then press CFM Press ESC to exit If Delete All is pressed the instrument asks for confirmation Pr...

Page 49: ... the desired record Press Delete to enter delete one record mode Press Delete All to enter delete all mode Press More to view the complete record information Press Pg Down or Pg Up to scroll the record screens LOG ON DEMAND ...

Page 50: ...ntwillenter asleepingmode During this mode the instrument continues to monitor the inputs and memorize the reading at the set interval To exit sleeping mode simply press any key exception ON OFF Note While in sleeping mode the instrument cannot be powered off by pressing ON OFF key Leave sleeping mode and then press ON OFF key to power off the instrument To start autolog from the measurement scree...

Page 51: ...current range the instruments will display No Records Use keys to scroll the lot list Press Delete or Delete All to delete one or all of the lots The confirmation is asked as at individual records are deleted Press More to view more information The list of records for the specific lot is displayed Press More to view the complete record information Press Pg Down or Pg Up to scroll the information s...

Page 52: ... the LCD press AutoEnd while the instrument is in measurement mode The Wait symbol will blink until the reading is stable When the reading is stable Hold icon will be displayed Press Continue in order to enter continuous reading mode AUTOEND ...

Page 53: ...r 0 C and the second point near 50 C Prepareavesselcontainingiceandwaterandanotheronecontaininghotwater atapproximately 50 C or 122 F Place insulation material around the vessels to minimize temperature changes Use a calibrated thermometer with a resolution of 0 1 C as a reference thermometer Connect the HI763133 EC probe with built in temperature sensor to the appropriate socket ImmersetheHI76313...

Page 54: ...Allow a few seconds for the probe to stabilize Use the keys to set the calibration point value to that measured by the reference thermometer When the reading is stable and within range of the selected calibration point CFM functional key is displayed Press CFM to confirm The instrument returns to measurement mode TEMPERATURE CALIBRATION for technical personnel only ...

Page 55: ...link If the Wrong source is the difference between calibration points increase the temperature of the vessel with hot water If the Wrong source is the temperature reading change the probe and restart calibration If calibration cannot be performed contact Hanna Service For one point calibration press ESC after first point was confirmed TEMPERATURE CALIBRATION for technical personnel only ...

Page 56: ...ordance with the model to connect the instrument to a PC start the terminal program and set the communication options as follows 8 N 1 no flow control COMMAND TYPES To send a command to the instrument follow the next scheme command prefix command CR where command prefix is a selectable 16 ASCII character command is the command code Note Either lowercase or capital letters can be used PC INTERFACE ...

Page 57: ...II code character corrupted command COMMANDS REQUIRING AN ANSWER The instrument will answer for these commands with STX answer checksum ETX where the checksum is the bytes sum of the answer string sent as 2 ASCII characters All the answer messages are with ASCII characters RAS Causes the instrument to send a complete set of readings in according with the current range EC and temperature readings o...

Page 58: ...including sign decimal point and unit if primary reading is not conductivity Temperature reading 8 ASCII chars with sign decimal point always in C MDR Requests the instrument model name and firmware code 16 ASCII chars GLPxx Requests the calibration data record for xx profile number The answer string contains GLP status 1 char represents a 4 bit hexadecimal encoding 0x01 EC calibration available 0...

Page 59: ...o power off 3 chars Baud rate 5 chars Instrument ID 4 chars EC alarm time out interval 2 chars NaCl alarm time out interval 2 chars Logging interval 5 chars Calibration range check 1 char 0 off 1 on TDS factor 6 chars Temperature coefficient 6 chars Reference temperature 6 chars Cable correction resistor 5 chars Cable correction capacitance 4 chars EC fixed range number 1 char Resistivity fixed ra...

Page 60: ...re sent Report ID 3 chars Log time 12 chars LLS Requests information about the number of lots The answer string contains The number of lots 3 chars For every lot the following information are sent Lot ID 3 chars Log time 12 chars Lot type 1 char 0 EC 1 Resistivity 2 TDS 3 NaCl GLDxxx Requests all the records for the lot with ID xxx The answer string contains Lot header data Logging interval 1 s 5 ...

Page 61: ...unit Over range flag 1 char Resistivity 0 ohm 1 Kohm 2 Mohm TDS 0 ppm 1 g L Salinity 0 1 ppt 2 PSU LODxxx Requests the log information for record number xxx on range r r is E for EC R for resistivity T for TDS and N for salinity The answering string contains The logged range 2 chars 10 EC 11 Resistivity 12 TDS 13 USP 14 NaCl 15 Salinity Seawater 16 Salinity PSU For EC Resistivity TDS and salinity ...

Page 62: ... if exist EC reading 8 chars EC unit 1 char Temperature reading in C Stage 2 data if exists same as Stage 1 Stage 3 data if exists pH value 5 chars USP factor 3 chars Cell Constant 1 char Note Err3 is sent if record does not exist Err4 is sent if the identification range character is not recognized Err5 is sent if autolog is in progress Err6 is sent if the request range is not available Err7 is se...

Page 63: ...y compartment while paying attention to the correct polarity Close the battery compartment using the four screws If the battery capacity is less than 20 the serial communication and the backlight feature are not available Note The instrument is provided with the BEPS Battery Error Prevention System feature which automatically turns the instrument off when the battery level is too low to ensure rel...

Page 64: ...adings Broken EC probe Replace the probe At startup the meter displays Hanna Logo tags permanently One of the keys is blocked Contact your dealer at any Hanna Instruments Service Center Meter shuts off Dead accumulators Auto Power Off feature is enabled in this case meter shuts off after selected period of non use Recharge accumulators or replace accumulator Press ON OFF Error message at start up ...

Page 65: ...ed with glass Take great care while handling the probe REPLATINIZATION The coating of platinum black on the electrodes of the conductivity cell should be inspected before and after use for signs of flaking or loss of material If the coating seems poor cleaning and repla tinization is required To perform probe replatinization enter calibration screen from EC range by pressing CAL key Put the probe ...

Page 66: ...33 84 µS cm 500 ml bottle HI6031 1413 µS cm 500 ml bottle HI7039L 5000 µS cm 500 ml bottle HI7030L 12880 µS cm 500 ml bottle HI7034L 80000 µS cm 500 ml bottle HI7035L 111800 µS cm 500 ml bottle HI7037L 100 NaCl 500 ml bottle HI763123 Platinum four ring conductivity TDS probe with internal temperature sensor and 1 m 3 3 cable HI763133 Four ring conductivity TDS probe with internal temperature senso...

Page 67: ...avoid damage or burns do not perform any measurement in microwave ovens The HI98192 is warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions Electrodes and probes are warranted for six months This warranty is limited to repair or replacement free of charge Damage due to accidents misuse tampering or lack o...

Page 68: ...Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800 426 6287 Fax 401 765 7575 e mail tech hannainst com ...

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