HQd Portable Meter User Manual
Contents
1. General information Revised editions are found on the manufacturer s website Safety information The manufacturer is not responsible for any damages due to misapplication or misuse of this product including without limitation direct incidental and consequential damages and disclaims such damages to the full extent permitted under applicable law The user is solely responsible to identify critical application risks and install appropriate mechanisms to protect processes during a possible equipment malfunction Please read this entire manual before unpacking setting up or operating this equipment Pay attention to all danger and caution statements Failure to do so could result in serious injury to the operator or damage to the equipment Make sure that the protection provided by this equipment is not impaired Do not use or install this equipment in any manner other than that specified in this manual Use of hazard information ADANGER Indicates a potentially or imminently hazardous situation which if not avoided will result in death or serious injury English 5 Indicates a potentially or imminently hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation that may result in minor or moderate injury NOTICE Indicates a situation which if not avoided may cause damage to the instrument Information that requires special emphasi2. 22 A o tied 21 Set the measurement mode u A Reini ieee aie Ae 21 Set auto MEaSuremMent interValS vi coito iia lili 21 Start interval measurements zreo niae a ie e aaae aaa N 21 Prevent data log overflow in interval mode cccceceeceececeeeeeeee acca eee cece aaaeeeeeeeeeaaeaeeeececeaaaeeeeeesecaaeeeeeeeseceeeeeeeseeaeaeeeeeeeseaaees 22 View instrument information 00 aa 22 Update the meter SOMWAre a A aria cda 22 Download software Updates mico ne Rinne A E i E N 23 Transfer Methodi SSI ii ii 23 Bi directional Communication between the meter and a PC uursssessesssnnnnneennnnennnnnnnnennnnnnn nr non n nn ran n nera rre nn nennen nn nera 23 About meter Coti A td deci 23 About meter COMUN ia AAA at a a a 24 Maintenance A ita 24 Clean the Meter imanol dt toa ihnen Make 24 Replace the batteries iio 22 Ha A a a dieta be 24 Troubleshooting ner een et te een nee 25 Table of Contents Replacement parts and accessories eeeseseseeeesennenennennennnennnnnennnen 26 Examples of printed reports nn RE 28 WOK sen eae eee een ae ee 33 Table of Contents Specifications Specifications are subject to change without notice Specification Details Specification Details Connections Integrated USB type A for USB flash memory device printer keyboard and Integrated USB type B for PC Dimensions Weight 19 7 x 9 5 cm 7 75 x 3 75 in 335 g 0 75 Ib wi
3. Do not remove the USB device until the Update complete message is shown The meter can become damaged if the USB device is removed before the update process is complete 1 Save stored data from the data log to a USB storage device or toa PC Refer to Send data to a USB storage device on page 15 and Send data directly to a computer on page 18 2 Turn off the meter 3 Connect the USB DC adapter AC DC power supply and cord Figure 4 on page 9 22 English 4 Insert the USB storage device that contains the software update files into the USB DC adapter 5 Turn on the meter The update process starts The display will show Updating meter to lt firmware version gt After an interval the display changes to Updating files please wait In addition the display will show a rotating flask and emit a periodic audio signal during the update process Note A large capacity USB storage device increases the time required for completion of the update process even if most of the device memory is empty 6 Wait for the meter to finish the software update When the update process is complete the message Update complete Remove USB device is shown The meter will turn off after the USB device has been removed 7 Repeat steps 1 through 6 to update the software in other HQd meters as necessary Download software updates To download the most current version of the software refer to the applicable product pag
4. HQd Meter Virtual Serial Port 18 To make sure that the installation succeeded go to Computer Management gt Device Manager gt Ports The new installed port is listed as HQd Meter Virtual Serial Port COM 19 The meter is now ready for communication with PC based systems using the Virtual Serial port A program interface must be developed by the user for the command set used to control the meter functions from the PC Contact Technical Support for more information and command set documentation Maintenance described in this section of the document 4 h Multiple hazards Only qualified personnel must conduct the tasks Clean the meter The meter is designed to be maintenance free and does not require regular cleaning for normal operation Exterior surfaces of the meter may be cleaned as necessary 1 Wipe the surface of the meter with a damp cloth 2 Use a cotton tipped applicator to clean or dry the connectors Replace the batteries Explosion hazard Incorrect battery installation can cause the release of explosive gases Be sure that the batteries are of the same approved chemical type and are inserted in the correct orientation Do not mix new and used batteries For battery replacement refer to Figure 11 Make sure that the cover is tightly closed to maintain the IP67 enclosure rating 24 English 1 Pull the release tab on the battery cover and the remove the cover 2 Remove the batteries 3
5. If the USB device already contains a method settings file an option to export or import methods is shown Select Import Methods 10 In the Select Methods to Import screen select one or more methods to transfer to the meter A check mark is shown next to each selected method 11 Select OK The user method settings are transferred from the USB storage device to the meter When complete the Transfer Summary screen is shown Select details to view additional information about the transfer 12 Disconnect the USB storage device from the meter Bi directional Communication between the meter and aPC For measurement automation the meter can be used to implement a command set for meter remote control or automated data transfer The command set can be used to perform minimal configuration and to control the meter To set up the meter for communication and control refer to About meter configuration on page 24 For additional information and the command set contact Technical Support About meter control The virtual serial connection can be used to control meter functions from a PC For example the functions include starting a measurement cycle English 23 turning off the meter and sending the entire measurement including calibrations to the PC or other information management system About meter configuration To use the meter communication and control from the PC an INF file must be installed 1 The meter software must be v
6. refer to the applicable product page on the manufacturer s website Damaged meter Contact Technical Support Unable to access Full Access Options screen Correct password has not been entered Contact Technical Support Software not updated to most current version Unable to access Full or Operator Access Options Software not updated to most current version To download the most current version of the software refer to the applicable product page on the manufacturer s website screen To download the most current version of the software refer to the applicable product page on the manufacturer s website Meter not configured Software error s If the meter starts up correctly back up the Data Log and Method files To download the most current version of the software refer to the applicable product page on the manufacturer s website Replacement parts and accessories Note Product and Article numbers may vary for some selling regions Contact the appropriate distributor or refer to the company website for contact information Replacement parts Description Item no AC Power USB Adapter Kit 115 VAC 5826300 AC Power USB Adapter Kit 230 VAC 5834100 Batteries Alkaline AA 1938004 Battery cover 9245500 Battery Contact dual fixed 5188400 26 English Replacement parts continued Description Item no Battery Contact dual spr
7. 3 Replace the battery cover Electrocution Hazard AC power outlets in wet or potentially wet 5 locations MUST ALWAYS be provided with a Ground Fault Circuit Figure 3 Battery installation Interrupting GFCI GFI circuit breaker The AC DC power adapter for this product is not sealed and must not be used on wet benches or in Q wet locations without GFCI protection IN The meter can be powered by AC power with an AC power adapter kit The kit includes an AC DC power supply USB DC adapter and AC power cord Turn the meter off Plug the AC power cord into the AC DC power supply Figure 4 Connect the AC DC power supply to the USB DC adapter Connect the USB DC adapter to the meter Plug the AC power cord into an AC receptacle gt O AAN Turn the meter on SY 1 Batteries 2 Release tab 3 Battery cover 8 English Figure 4 AC power connection USB storage device printer Qwerty keyboard connection USB peripheral 4 AC DC power supply User interface and navigation User interface Figure 5 Keypad description N Personal computer connection USB host o USB DC adapter 5 AC power cord 1 ON OFF turn on or turn off the meter UP and DOWN key scroll through menus enter numbers and letters or change the reading screen view 2 OPERATOR ID associate data with GREEN RIGHT key reads selects an individual conf
8. 8 auto Ssh loff 2 Sock A bane aa ne 20 B Dacklight citar ee ostia eta a ea Bi directional Communication os ates 2g big screen Mode aida italiana Cc Calibration ii anstelle dual screen mode oe probe reminder 4 112235 u a nme Goedel reminder i ae nennen een essen check standards u contrast display a elite A ei eran D data file descriptions 440u424244004nnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnn 16 data log 23 prevent data loss 22 Printing Nahen AH ee a irre 14 transfer data to PC 18 24 data log stored data oooococcnoccccconoccccconancnnnnonononcnnnn non cnnnn cnc nonnn ocn nnannncancns 14 date and time Changing Wi ee as Rh eae Sia a ae 12 detailed screen mode a display description een Ove epee gan ree dual screen mode Calibration iii A elena ees 10 I interval measurements nmel 21 measurement modes cinc een kin kanns 21 menu navigation modes MOON A danse sa lov dee des het Aiea 20 O operator lDi urn a AA i 13 P POWER jth Ri pean ie 8 DIINUNG Nee ee en an eT ear ARS 14 probes CONNECHNG riviera 12 stored data ae un uses een engeren deste 14 S sample ID seeds A E E A E 13 screen MOdES ri saw eit endl Sha ie it atas iai 9 security options 18 restrict MENU ACCESS ann es nalen 19 software install PC Application software 2 0ss240sunnnnnnnnnnnnnennnnnnnnnnnnnn 18 update meter so
9. AC power is made before the meter is powered on All data can be sent to a printer The PD 24 Citizen Printer is compatible with the HQd meters and is FCC Part 15B Class B compliant with the HQ meters Other printers may not be compatible Compatible printers should support a minimum of 72 columns of data be capable of printing up to 500 continuous data stream events in 1 2 and 3 lines of text and fully support code page 437 and code page 850 1 Turn off the meter Make sure that the meter is connected to AC power Refer to Connect to AC power on page 8 2 Connect the printer to the meter with a USB cable type A Refer to Figure 10 3 Turn on the meter 4 Push the 77 key 5 Select Send Data Log Wait for the display to show Transfer Complete and wait for the printer to stop printing Disconnect the printer 14 English Figure 10 Connection to the printer Meter 7 USB cable AC DC power supply 8 USB DC adapter AC power cord 9 Port for probe connection AC power outlet 10 Port for USB DC adapter Power supply for printer optional O Pol ry Citizen Printer FCC Part 15B Class B compliant 11 Port for probe connection Change the report options Printed reports for sample data can contain 1 2 or 3 lines of information Refer to Examples of printed reports on page 28 for further information 1 Push the 7 7 key Select Report Options 2 Select Report
10. Install 4 AA alkaline or 4 AA nickel metal hydride NiMH batteries Make sure that the batteries are installed in the correct polarity 4 Replace the battery cover Figure 11 Battery replacement gt SZ Error Warning Description Solution Connect a Probe Probe disconnected or connected Tighten the locking nut on the probe connector improperly Disconnect the probe and then connect the probe again Software not To download the most current updated to most current version version of the software refer to the applicable product page on the manufacturer s website Problem with probe Connect a different IntelliCAL probe to verify if problem is with probe or meter Probe Not Supported Probe disconnected or connected Tighten the locking nut on the probe connector improperly Disconnect the probe and then connect the probe again Software not To download the most current updated to most current version version of the software refer to the applicable product page on the manufacturer s website Problem with probe Connect a different IntelliCAL probe to the meter to verify if problem is with the meter or the probe HQd meter does not support IntelliCAL probe Contact Technical Support 1 Batteries 2 Release tab 3 Battery cover Troubleshooting Refer to the following table for common problem messages or symptoms possible c
11. Type and select one of the options Option Description Basic report One line of data Advanced report Two lines of data The first line contains the same information as in the basic report Three lines of data The first two lines contain the same information as in the advanced report Total report Send data to a USB storage device The transfer of a large number of data points will take some time DO NOT disconnect the USB storage device until the transfer is complete Data can be transferred to a USB storage device for storage or transfer to a computer 1 Turn off the meter Make sure that the meter is connected to AC power 2 Plug the USB storage device into the meter before the meter is powered on 3 Turn on the meter 4 Push the 77 key 5 Select Send Data Log Wait for the display to show Transfer Complete and for any lights on the USB storage device to stop flashing Then remove the USB device Note If the data transfer is slow reformat the USB storage device to use the file allocation table FAT format for the next use English 15 Open data files on a PC Data that has been downloaded to a USB storage device can be transferred to a computer The data is sent in a text txt file format 1 Plug the USB storage device into the computer 2 Find the data file The file will have the following format Meter Serial Number Data File Type Date Time Example 9999NNO00000 SENDDATA 06
12. explosive gases Be sure that the batteries are of the same approved chemical type and are inserted in the correct orientation Do not mix new and used batteries NOTICE The battery compartment is not waterproof If the battery compartment becomes wet remove and dry the batteries and dry the interior of the compartment Check the battery contacts for corrosion and clean them if necessary NOTICE When using nickel metal hydride NiMH batteries the battery icon will not indicate a full charge after freshly charged batteries have been inserted NiMH batteries are 1 2 V versus 1 5 V for alkaline batteries Even though the icon does not indicate complete charge 2300 mAH NiMH batteries will achieve 90 of instrument operation lifetime before recharge versus new alkaline batteries NOTICE To avoid potential damage to the meter from battery leakage remove the meter batteries prior to extended periods of non use The meter can be powered with AA alkaline or rechargeable NiMH batteries To conserve battery life the meter will power off after 5 minutes of inactivity This time can be changed in the Display Options menu For battery installation refer to Figure 3 English 7 1 Pull the release tab on the battery cover and the remove the cover Connect to AC power 2 Install 4 AA alkaline or 4 AA nickel metal hydride NiMH batteries Make sure that the batteries are installed in the correct polarity ADANGER
13. reading stored in user defined time format Cal Std 2 7 Units Units of additional calibration standards if used Cal Std 2 7 Primary Value Measured values of additional calibration standards if used Cal Operator ID The operator ID specified when the probe was calibrated Shows if undefined Cal Std 2 7 Primary Units Associated units for additional calibration measurements if used Cal Slope Name Slope pH or LDO or cell constant conductivity Cal Std 2 7 Supp Value Value of supplemental measurement for example temperature Cal Slope The slope value for the calibration Cal Slope Aux Used by pH to give the percent of nominal slope Cal Std Supp Units Units applicable to all secondary calibration readings Example C or F for temperature Cal Slope Units Units of the calibration slope Example mV pH for pH Cal Message 1 4 Any messages about the calibration Cal Offset Calibration offset value Cal Offset Units Calibration offset units Example mV for pH Date Time POSIX Date and time of reading stored in POSIX format number of seconds from January 1 1970 Example 1149234913 Cal r Calibration correlation coefficient without a unit may be blank Cal Date Time POSIX Date and time of calibration stored in POSIX format number of seconds from January 1 1970 Example 111132034
14. serial number 3 Date and time 24 h YYMMDDhhmm 2 Report label 4 Filetype extension The probe serial number is shown on calibration history and current calibration reports Data reports Sample data can be printed in a basic advanced or total report format e Total report refer to Figure 13 Advanced report refer to Figure 14 Basic report refer to Figure 15 28 English Figure 13 Basic report for sample data 1 line Br ee ee SENDDATA ELBE IE TXT AA a aidia a nn aia A nn __ _R elllClD eee 1 Data type RD reading 6 Units 2 Parameter pH LDO etc 7 Sample ID user defined shows SAMPLE ID if undefined 3 Time hh mm ss in 24 h or user defined format 8 Sample ID counter 4 Date DD MM YY or user defined format 9 Operator ID user defined shows if undefined 5 Measured value Figure 14 Advanced report for sample data 2 lines 9999RV123456 SENDDATA 0512131618 TXT RD BES 16 14 32 12 08 10 6 TEEN VEREINE A A A oe on rae ares BDGE2022 JULIE ai ine Probe model 4 Additional units shows all additional units associated with the reading N Error message if applicable oo Probe serial number a lt or gt on the HQ40d meter indicates the probe position 5 Probe settings shows the highest priority setting associated with the reading English
15. 03131624 TXT 3 Save the data file to a location on the computer 4 Open a spreadsheet program such as Microsoft Excel spreadsheet software 5 Open the data file from the spreadsheet program Select the delimited option with comma as the delimiter The data will be shown in the spreadsheet program Note If an application is used that is not compatible with column headings the headings can be omitted Refer to Remove column headers on page 18 Data file description Data that is saved to a USB storage device and then opened ina spreadsheet application will have multiple columns of data A description for each of the columns is shown in Table 1 Table 1 Spreadsheet column descriptions Table 1 Spreadsheet column descriptions continued Column header name Data description and example values Probe Model Model number of probe for example pHC101 CDC401 LDO101 Probe SN Probe serial number Method name If two probes are connected to the HQ40d meter the serial number shows lt or gt to identify the port left or right the probe was connected to during the reading User defined name of the probe settings that were used for the reading Sample ID Sample ID that was used when the data was recorded Shows Sample ID if the default sample ID is used Primary Reading Value Measured value Shows if the value was out of range Primary Reading Units Supp Reading 1 Measureme
16. 29 Figure 15 Total report for sample data 3 lines 9999RV123456 SENDDATA 0512131618 TXT RD pH 07 52 47 12 08 10 3 95 pH PLATTE BDGE2046 JULIE pHC301 lt 06047527 21 8 C 167 O0mV Default Du pi 58 36mV pH 9 T MI T 1 Method name for probe settings 4 Calibration slope ratio constant 2 Time of calibration prefaced by CAL and displayed as hh mm in 24 h or user 5 Offset contents vary depending on type of parameter and user settings May defined format be blank 3 Date of calibration DD MM YY or user defined format 6 Operator ID user defined shows if undefined Check standard reports Check standard data is printed with 1 line of information Figure 16 Figure 16 Check standard report En en D ET EZ par Report type ST check standard Measured value Report type ST check standard Units Time hh mm ss in 24 h or user defined format Check standard status Pass Fail based on the acceptance criteria AJ j Nj JN oO a Date DD MM YY or user defined format Operator ID user defined shows if undefined 30 English Calibration reports Calibration data is printed when the data log is sent to the printer or when probe data is sent to the printer Calibration data is printed with 2 lines of information Figure 17 Figure 17 Calibration report st ag chs eg laine Reni TXT 1 Report type CL ca
17. 8 Meter SN Meter serial number used to take the measurement English 17 Remove column headers When transferred data is viewed in a spreadsheet program the first row of data contains headings to identify the type of data in each column If an application or post processing method is used that is incompatible with the headers the column headers can be omitted 1 Push the 77 key 2 Select Column Headers 3 Set the column headers to off Send data directly to a computer Data can be transferred from any HQd series meter directly to a computer when the HQ40d PC Application is installed The data can be sent in real time during data collection or the entire data log can be transferred To download the most current version of the software refer to the applicable product page on the manufacturer s website 1 Install the HQ40d PC Application on the computer 2 Turn off the meter Make sure that the meter is connected to AC power 3 Connect the PC to the meter with a USB type B cable 4 Turn on the meter 5 Open the HQ40d PC Application on the computer Click on the green triangle in the menu bar to start a connection 6 Collect the data in real time or transfer the data from the data log Real time when a data point is stored in the meter the result is sent simultaneously to the PC Application refer to Set the measurement mode on page 21 Data log push the key and select Send
18. DOC022 53 80017 ap HQd Portable Meter User Manual Table of Contents SPECHICAHONS 2 eee nee e a o dais eee 5 cs tannini tt bbt bk bb bbNANAA EAA AA EAEE EEE AEEEAEEEEEAEEAA EAEE E AAEE EE EEEE EEEE EEEn EErEE rrenen an 5 DATO INFOMATION aE EA AT E pep oeaae fideabece tetas eseateas adichaaa 5 Use Of NaZardsintOrmation u he ea E naar eno 5 Precautionary labels PRRARERESPARFERERERTERERCHERPESRFHERTFERFEREFFECHEFTERERFETERFEFEGHERFERESEEFESTTRTERSETEREHESTETERTLFERFRETELFRTEFEFERRTTESPPRFEFSTHEFELFERTERENSHRFSTEBRETTERENETER 6 PROGUCTOVERVIGW iiss Annne ee ei an BS an bl eee eaten aah Pda Hua abd ee a eA eee 6 Product components ici ta 6 DSN COU POP e ein a e 7 Instale Dateless cc A E E E E E 7 Connect to AC POW omiin e aad A aT N 8 User interface and navigation eeeeeeeeeeenenenenenenenenennennennennenneenneennnennnen 9 WIS M ILS ACE yc ig ence beh ete das nenn ine e era taco road 9 BITIM 11017 11 0 9 EEE EEA TTEA r EE E T E E E TETES 9 Navigation eee E EE sateen E EE A A E E A A E E E E E E 11 A A EEE EEn E ORE NER TP EC OE PEE E E EERE E AE ree Ee 11 Turn themeterom and cont a u 2a ans rape cis 11 Change the lanQuage ati A E A A oaeeacaateer ss 11 Change the date and time een en Ib 12 CONNECta 81KO 01S PE EEE AAEE EEA EEE E TEE A EE A E E E A eatates 12 Standard operation esien e a eee ka eA In Go ORG 12 About Calibratlons ecis nceia soe A A ses Magter E A stage ater eieatecues 12 About sample m
19. Data Log Wait for the display to show Transfer Complete The data is sent as a comma separated values csv file The data is shown in the HQ40d PC Application window Advanced operation Security options The Security Options menu is used to protect the meter setup and method settings from unwanted changes This menu is available in the Full Access Options menu The Setup Measurement Mode Date and Time Temperature Units Language Probe settings Delete data log and Security Options screens are disabled in the Operator Access Options menu All menu options are enabled in the Full Access Options menu Note The Full Access Options menu is shown when the Q key is pushed when Security Options is OFF whether or not a password has been set When the meter is powered on for the first time and Security Options is selected the display prompts the user to set a password Until the meter is shut off pushing the Q key will still display the Full Access Options menu even after Security Options is turned on and a password has been set After the meter is shut off and powered on again with Security Options on the Operator Access Options menu is displayed until a valid password is entered Store the password in a safe and accessible place If the specified password is forgotten and Security Options is turned on the operator is locked out of the restricted menus Contact technical support if the password is lost Turn Security Optio
20. Interval Duration 10 seconds 1 hour 30 seconds 4 hours 1 minute 8 hours 5 minutes 24 hours Note When 2 probes are connected to the meter use the next lowest recommended duration time For example for a 30 second interval set the duration to 1 hour to prevent data log overload with 2 probes View instrument information The instrument information menu shows specific information such as the serial number for the meter or IntelliCAL R probe s 1 Push the key and select Instrument Information 2 Select Probe model Information or Meter Information Option Description Probe The Probe Information screen shows the probe model information number serial number software version and date of first use For LDO and LBOD probes the lot code for the sensor cap and the remaining time before sensor cap replacement is shown Note A probe must be connected to the meter Meter The Meter Information screen shows the meter model information number serial number software version and memory information The amount of memory used and the number of available user method settings operator IDs and sample IDs is shown Update the meter software A USB storage device that contains software update files is used to update the meter software Note The meter must be turned off and then on again before the software update will begin The software update initiates upon meter startup after the USB device is correctly inserted
21. Multiple items can be selected Option Key Press Stability Alert Cal reminder Description The meter will make an audible sound whenever a key is pushed The meter will make an audible sound whenever measurement stability is reached The meter will make an audible sound when calibration is due Note Refer to Set the probe calibration reminder to set the calibration reminder to on or off 20 English Set the probe calibration reminder Make sure that a probe is connected to the meter Push the A key and select the probe settings Select Modify Current Settings Select Calibration Options Select Calibration Reminder PO NAS Option Description Calibration reminder Reminder repeat Off 2 h 4h 8 h 2 d 5 d 7d Expires Immediately Reminder 30 min Reminder 1 hr Reminder 2 hr Continue Reading The meter can be set to make an audible sound when calibration is due Calibration expires after a specified time set by the user Note The meter cannot be used to read samples after calibration has expired unless Continue Reading is selected Change the temperature units To select degrees Celsius or Fahrenheit 1 Push the key and select Temperature Units 2 Select the Celsius or Fahrenheit option Set the measurement mode One of three modes can be used to specify when measurements are taken and how the data is stored When a data point is stored the result is sent simultaneously to
22. Read Options Refer to Security options on page 18 1 Probe that is connected to port on 3 Measurement information for probe 1 Push the qQ key and select Language left on left 2 Select a language from the list Note While turning the meter on the language can also be changed when the power key is pushed and held 2 Probe that is connected to port on 4 Measurement information for probe right on right Navigation The meter contains menus to change various options Use the A and NZ keys to highlight different options Push the GREEN RIGHT key to select an option There are two ways to change options 1 Select an option from a list Use the A and 5 keys to select an option If check boxes are shown more than one option can be selected Push the BLUE LEFT key under Select Note To deselect check boxes push the BLUE LEFT key under Deselect 2 Enter an option value using the arrow keys Push the A and N keys to enter or change a value 3 Push the GREEN RIGHT key to advance to the next space 4 Push the GREEN RIGHT key under OK to accept the value English 11 Change the date and time The date and time can be changed from the Date amp Time menu 1 Push the key and select Date amp Time 2 Update the time and date information Option Description Format Select one of the formats below for the date and time Use the A and N keys to select from the format options dd mm yyyy 24h dd mm y
23. any device PC printer USB storage device that is connected to the meter 1 Push the key and select Measurement Mode 2 Select Mode 3 Select one of the measurement modes Option Description Press to Read The sample is measured only when the GREEN RIGHT key under Read is pushed Data is stored in the data log automatically when the stability criteria are met Interval The sample is measured at regular intervals for a specified duration refer to Set auto measurement intervals on page 21 Data is stored in the data log automatically Continuous The sample is measured continuously Data is stored in the data log only when the GREEN RIGHT key under Store is pushed Set auto measurement intervals When the measurement mode is set to Interval the time intervals and duration must be specified Measurements are stored at the user defined intervals whether or not stability criteria are met Note Use of an external USB storage device or direct printer connection while in Interval Measurement mode prevents data from being over written in the data log Data points are over written on a First In First Out basis Refer to Prevent data log overflow in interval mode on page 22 Push the key and select Measurement Mode Select Mode Select Interval as the Measurement Mode Select Duration and select the total time that measurements will be taken for 15 min 30 min 1 h 4 h 8 h 24 h 48 h or no limit 5 Select Interval a
24. auses and corrective actions Bootloader X X XX XX error Software not updated to most current version To download the most current version of the software refer to the applicable product page on the manufacturer s website English 25 Error Warning Description Solution Error Warning Description Solution 0 days remaining message For LDO and LBOD only LDO or LBOD sensor cap used for 365 days Replace the LDO or LBOD sensor cap and iButton There are 0 days remaining in the life of the LDO sensor cap Replace the LDO sensor cap Calibration will be allowed However the calibration icon and question mark will appear on the measurement screen even if the calibration has passed Meter set to incorrect date and time 1 Disconnect the probe from the meter 2 Remove the meter batteries 3 Install the meter batteries properly Follow the polarity makings 4 Set correct date and time in the meter 5 Connect the probe and verify that message has been removed Batteries are not installed correctly Meter will not power on or powers on intermittently Software not updated to most current version Examine battery orientation to make sure the batteries follow the polarity markings Test again Clean the battery terminals then install new batteries Connect AC power adapter and test again To download the most current version of the software
25. auto shutoff options the backlight option or the detailed or big reading screen mode 1 Push the key and select Display Options 2 Select which display option to change Option Contrast Description Adjust the contrast of the display The lightest setting is O and the darkest setting is 9 Option Auto shutoff Backlight Mode Description To maximize battery life set a time period after which the meter will automatically power off if no key is pushed 1 2 5 10 30 min 1 h 2 h or never Auto shutoff is not active when the meter is connected to AC power or in the Interval Reading Mode The display backlight is turned off when the pos key is pushed Is it possible to set a time period after which the backlight will automatically power off if no key is pushed Select Detailed or Big screen size Detailed will show more information with smaller numbers and text Big will show less information with larger numbers and text Note The screen size can also be selected from the measure mode refer to Display description on page 9 Set the sound options The meter can make an audible sound when a key is pushed when stability is reached or when the calibration reminder is due The meter also makes an audible sound when it begins transferring data to a USB storage device and again when the data transfer is complete 1 Push the key and select Sound 2 Choose which events will produce an audible sound
26. data is from a sample reading a calibration or a check standard Push the N key to view the next most recent data point Option Description Reading Log Reading Log shows sample measurements including the time date operator and sample ID Select Details to view the associated calibration data Calibration Log Calibration Log shows calibration data Select Details to view additional information about the calibration Check Standard Check Standard Log shows check standard Log measurements Select Details to view the calibration data that was associated with the measurement View stored probe data Make sure that a probe is connected to the meter If two probes are connected select the appropriate probe when prompted 1 To view the calibration data that is stored in a probe push the key and select View Probe Data The current calibration and calibration history for the probe can be viewed Option Description The current calibration information shows the calibration details for the most recent calibration If the probe has not been calibrated by the user the factory calibration data is shown View Current Calibration View Calibration History The calibration history shows a list of the times when the probe was calibrated Select a date and time to view a summary of the calibration data Print stored data The meter must connect to AC power to start the USB connection Make sure that the connection to
27. ductivity salinity total dissolved solids TDS resistivity e HQ30d all IntelliCAL probes 1 probe connector e HQ40d all IntelliCAL probes 2 probe connectors Features common to all models Automatic probe and parameter recognition Instrument guided calibration procedures e Calibration data stored in the probe Probe specific method settings for regulatory compliance and Good Laboratory Practice GLP e Security Options Real time data logging via USB connection USB connectivity to PC printer USB storage device keyboard e Bi directional communication with PC based systems via a virtual serial port connection Sample ID and Operator ID for data traceability e Adjustable automatic shut off Product components Refer to Figure 1 and Figure 2 to make sure that all components have been received If any items are missing or damaged contact the manufacturer or a sales representative immediately 6 English Figure 1 Meter components HQ40d model 1 Meter 4 AC DC power supply 2 AA batteries pk 4 3 AC power cord 5 USB DC adapter Figure 2 Meter components HQ11d HQ14d and HQ30d models 1 Meter 2 AA batteries pk 4 Installation described in this section of the document 4 h Multiple hazards Only qualified personnel must conduct the tasks Install the batteries Explosion hazard Incorrect battery installation can cause the release of
28. e on the manufacturer s website 1 Transfer the update files to a USB storage device 2 Follow the instructions in Update the meter software on page 22 to update the software in the meter Transfer method settings Probe settings that have been changed by the user for measurements calibrations or check standards Meter Options gt Probe Model Settings gt Modify Current Settings can be copied to a USB storage device The USB device can then be used to transfer the method settings to other HQd meters that accept the same probes Make sure the USB storage device does not contain HQd meter software update files to prevent unintentional updates 1 Turn off the meter 2 Connect the meter to AC power Figure 4 on page 9 3 Plug the USB storage device into the USB DC adapter before the meter is powered on 4 Turn on the meter 5 Push the 7 key and select Transfer Methods Ifthe USB device already contains a method settings file an option to export or import methods is shown Select Export Methods 6 Inthe Select Methods to Export screen select one or more methods to copy to the USB device A check mark is shown next to each selected method 7 Select OK The settings are copied to the USB storage device When complete the Transfer Summary screen is shown 8 Connect the AC power and USB device to a meter that will receive the method settings Turn the meter on 9 Push the 7 7 key and select Transfer Methods
29. eas urements r n 3 220 ebene il 13 About check standards ad Hat A a RR he tes ated E aie 13 Use a sample Di aa 13 Use n operator Di ii 13 Datamanagement asna e daa 13 About Stored Mo F te E E AS AEA AE E E E A E dad ea A E AEA 13 View stored data re E a a i 14 View stored probe d ta u ee nee iadaa dairede daeina sehn tduuebeedsuceddvecdZessuteestdesteess 14 Table of Contents Print stored datar A RIESEN DH 14 Change the report Options ee nn E eed BER En ee 15 Send data to a USB storage device usersnnnnnesnnnnnnnnnersnnnnnnnnnnennnnnnennnnnnennnnnnnnnnner ner 15 Open data files on amp P amp 22 A as 16 Data file descripto A A ad oe ee Se oe ea eh aan 16 Remove column headers ne teviecdee en en era ony os 18 send data directly to a COMPUTER ccsccd2cdeecceceescteaseonneernsstnsndsnscebepbaaeasessnesnastasepraaeebestesedgedeneegboesdeneqresehasiadesgeaqduas adedeseneesbestascdes 18 INNATA ssss sssssieisesssssseteeeesirtitittstttkttetanan tati ttt tt bk bb bbNAN AAN An EAA A EEEE AEAEEANEEEN AAEE EA AEAEE EEEE ENEEEE EAEE AEAEE EEEE EErEE 18 DOCUTTY OPTIONS a EE E E A AT EE 18 TUTO Sec rity OPtiONS A ds 18 FulliaGGeSs Options MENU E E 19 Restrictedoperator access options menu nn een c 19 Set the display OPIO al eh linea easier 20 Set the SOUN OPtioNSs 4 se ea dada dra 20 Set the probe calibration reminder coccion Ae 21 Gh ngeithe temperat res nits
30. eps and procedures for taking sample measurements For step by step instructions refer to the documents that are included with the probe About check standards Run Check Standards verifies equipment accuracy by measuring a solution of a known value The meter will indicate if the Check Standard passed or failed If the Check Standard fails the calibration icon 14 is shown until the probe is calibrated The meter can be set to automatically show a reminder for check standard measurement at a specified interval with a specified acceptance criteria The reminder value of the check standard and acceptance criteria can be changed For step by step instructions refer to the documents that are included with the probe Use a sample ID The sample ID tag is used to associate measurements with a particular sample location If assigned stored data will include the sample ID 1 Push the key 2 Select create or delete a sample ID Option Description Current ID Select an ID from a list The current ID will be associated with sample data until a different ID is selected Create a New Sample Enter a name for a new sample ID ID Delete Sample ID Delete an existing sample ID Use an operator ID The operator ID tag associates measurements with an individual operator All stored data will include the operator ID 1 Push the key 2 Select create or delete an operator ID Option Description Select an ID from a list The cur
31. er name Data description and example values Check Std Value Value of the check standard that was used to verify accuracy for example 7 00 pH 25 C pH temp compensated 7 01 pH pH custom Cal Number of Std s Number of standards used during calibration for example 5 May be blank depending on record type parameter type and method settings Check Std Units Check standard units for example uS cm Note pH is not displayed here as it is included in the previous column Cal Std 1 Cal Std 1 Units Known value of the first calibration standard Units of the first calibration standard Check Std Graph Bar graph showing the measurement in relation to the acceptance limits Example 6 901 lt gt 7 101 Cal Std 1 Primary Value Measured value of the first calibration standard Check Std Status Status of the check standard reading Example Reading within limits Reading outside limits Cal Std 1 Primary Units Associated units for the calibration measurement Calibration Status Status of the calibration that is in use L OK current calibration is valid 14 calibration has expired Cal Std 1 Supp Value Cal Std 2 7 Value of supplemental measurement for example temperature Known value of additional calibration standards if used Cal Date Cal Time Date of calibration reading stored in user defined date format Time of calibration
32. ersion 2 0 0 710 or higher To download the most current version of the software refer to the applicable product page on the manufacturer s website 2 Open the Zip file 3 Copy the INF file from the software upgrade package to a convenient location on the PC Note The INF file must be installed to use the meter manual control from a PC 4 Turn on the meter Push the A key and select Instrument Information 6 Select USB Device Type and then select Virtual Serial to use the virtual serial port on the meter 7 Push OK The meter will automatically restart to complete the setting change 8 Connect the meter with the USB cable to the PC and turn on the meter Windows XP starts the Found New Hardware Wizard 9 Select No not at this time to the query Can Windows connect to Windows Update to search for software 10 Click Next The next wizard screen will prompt 11 Select Install from a list or specific location Advanced to the query What do you want the wizard to do 12 Click Next The next wizard screen will prompt 13 Select the option Search for the best driver in these locations 14 Uncheck the Search removable media floppy CD ROM option and select the Include this location in the search and click the Browse button 15 Select the INF folder or location and click OK 16 Click Next The new software will be installed a 17 Click Finish to complete the Found New Hardware Wizard for
33. ftware 1 22 sounds turn ON OF Off 2uuunssnnsennssnnnennnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnannannnnn 20 stored data 13 14 file descriptions Cese eintragen een daa 16 Probe E E E E A PEE EEE T E E hae 14 33 Index T transfer data OPE iii ic 16 to USB storage device oooccccccnocccccononoccnnonnnnnonnnnnnonnnnonnnn cnn conan ncnnnnnnnnns transfer data to USB device data l09 a iia dilatar ia troubleshooting A 22a td ot heel Madea ee U USB storage device file descriptions transfer data to 34 HACH COMPANY World Headquarters P O Box 389 Loveland CO 80539 0389 U S A Tel 970 669 3050 800 227 4224 U S A only Fax 970 669 2932 orders hach com www hach com HACH LANGE GMBH Willst tterstra e 11 D 40549 D sseldorf Germany Tel 49 0 2 11 52 88 320 Fax 49 0 2 11 52 88 210 info hach lange de www hach lange de HACH LANGE Sarl 6 route de Compois 1222 V senaz SWITZERLAND Tel 41 22 594 6400 Fax 41 22 594 6499 Hach Company Hach Lange GmbH 2010 2013 All rights reserved Printed in U S A 0 0
34. ing 5188800 Cable USB 6 ft 1 8 m Type A male Type B male 5924000 Field Kit includes Protective Glove Kit for meter and five 120 mL sample cups 5825800 Field Case for 2 probes with up to 5 m cables 10 m total Includes empty case insert for meter and probe storage 8505500 4 containers for sample collection Field Case for 3 probes with up to 5 m cables 15 m total Includes empty case insert for meter and probe storage 8505501 4 containers for sample collection Field Case for 2 probes with greater than 5 m cables 30 m total Includes empty case insert for meter with protective 8505600 glove Keyboard QWERTY USB type LZV582 US 2960100 Printer Citizen PD 24 USB printer 120 220 VAC EU 5835900 Printer Paper for Citizen PD 24 thermal 5 pk 5836000 Probe Clips color coded 5 colors 2 clips of each color 5818400 10 pk Probe Depth Marker rugged cables 5828610 Probe Holder standard fits on protective glove 5829400 Protective Glove Kit for meter 5828700 Universal Probe Stand for standard IntelliCAL Probes 8508850 Meter Stand for Portable HQd meters 4754900 English 27 Examples of printed reports Printed reports contain a report header and all stored data for samples check standards and calibrations Report header The first line of a report shows the report header Figure 12 Figure 12 Report header a ini a ca ae RD LDO 16 14 32 12 08 10 6 59 g NORTH TANK 05 JOSEPH L 1 Meter
35. irms or stores data 3 BACKLIGHT illuminate the display DATA LOG recall or transfer stored screen data 4 SAMPLE ID associate data with a sample location 5 BLUE LEFT key calibrates cancels or exits the current menu METER OPTIONS change settings run check standards view meter information Display description Measurement screen The meter display shows the concentration units temperature calibration status operator ID sample ID date and time Figure 6 English 9 Figure 6 Single screen display SE OE 10011 15 mg L 25 0 Lo 8 24 145 9 7 A TANKI 14 11 46 9 OPERATOR 1 1 Calibration status indicator 9 Time Main measurement value and unit 10 Date 3 IntelliCAL probe type and port 11 Read OK Select indicator 4 Battery status 12 Display size icon 5 Power source 13 Calibrate Cancel Exit 6 Sample temperature C or F 14 Sample and operator identification 7 Secondary measurement unit 15 Stability or display lock indicator 8 Tertiary units for some probes Big screen mode The font size of the sample reading can be increased or decreased with the 45 key Figure 7 Note When two probes are connected push and hold the ZN key to select the big screen mode The big screen mode can also be selected in the Display Options menu Refer to Set the display options on page 20 Figure 7 Single screen display big scree
36. libration IC current calibration 7 Probe serial number a lt or gt on the HQ440d meter indicates the probe position 2 Parameter pH LDO etc 8 Calibration slope ratio constant 3 Method name for probe settings 9 Offset contents vary depending on type of parameter and user settings May be blank 4 Time of calibration prefaced by CAL and displayed as hh mm in 24 h or user 10 r contents vary depending on type of parameter being read configuration of defined format specific method and number of calibration standards used May be blank 5 Probe model 11 Operator ID user defined shows if undefined 6 Date of calibration DD MM YY or user defined format The calibration history can be printed from the probe data menu Refer to Figure 18 English 31 Figure 18 Calibration history report SADO ina TXT gt HC301 TS o 1 Report type CH calibration history Date of calibration DD MM YY or user defined format 2 Parameter pH LDO etc 6 Probe serial number a lt or gt on the HQ40d meter indicates the probe position 3 Time of calibration prefaced by CAL and displayed as hh mm in 24 h or user 7 Calibration slope ratio constant defined format 4 Probe model 8 Offset contents vary depending on type of parameter and user settings May be blank 32 English Index A AG Power connection al
37. n mode 7 OK LDO101 E S 35 0 1 Calibration status indicator 5 Main measurement unit 2 IntelliCAL probe type and port 6 Display size icon indicator 3 Power source or battery status 7 Sample temperature C or F 4 Main measurement value 8 Stability or display lock indicator Dual screen mode HQ40d model only When two probes are connected to the HQ40d meter the display can show the reading from both probes simultaneously or show just one probe Figure 8 Note For probe calibration change the screen mode to the single screen mode To change the screen mode to single or dual screen use the A and SY keys In dual screen mode the key will select the probe on the left and the NZ key will select the probe on the right 10 English Figure 8 Dual screen display Startup Turn the meter on and off Push the key to turn on or turn off the meter If the meter does not PHC101 7 LDO101 turn on make sure that the batteries are properly installed or that the AC PATE A cme power supply is properly connected to an electrical outlet qua a PH amt E Change the language OK 5 35 07n 25 070 1 5 04 mg L 29 2 The display language is selected when the meter is powered on for the Da ee ee 4 first time The language can also be changed from the Meter Options amp TANK 1 011 09 39 28 menu OPERATOR 1 Linas zul Access to the language menu can be restricted with the Security Singe
38. nd select how often measurements will be taken every 10 s 30 s 1 min 5 min 15 min or 30 min A OND a Start interval measurements During interval measurements the meter goes into a standby state between readings to conserve power The auto shutoff option is disabled Measurements stop when the selected interval duration has passed The auto shutoff option then becomes active English 21 Interval measurements are suspended for calibrations check standard measurements or when the A key is pushed Interval measurements resume when returning to the measurement screen 1 From the Main Measurement screen select Start to begin interval measurements The screen will show Recording and the remaining time of the duration The sample number automatically advances when each reading is taken 2 To stop interval measurements select Stop 3 To repeat the interval measurement after it has been stopped or completed select Start Prevent data log overflow in interval mode When measurements are taken at specified intervals Table 4 each result is automatically stored The meter can store up to 500 data records When 500 records have been stored data is replaced on a first in first out basis To prevent loss of data connect the meter to a PC printer USB storage device Note Stop interval measurements before changes are made to a method or to meter settings Table 4 Recommended interval duration pairs
39. ns on The Security Options and the Set Password options are used together to prevent access to restricted menus 18 English 1 Push the key and select Security Options 2 Change the settings as needed to allow or prevent menu access Option Description Security When Security Options is on and a password has been Options specified the password is required to enable the Full Access Options menu If the meter is turned off while Security Options is on the password is required to enable the Full Access Options menu again when the meter is turned on Set Password Seta password that must be entered to enable the Full Access Options menu The requirement for password entry is controlled by setting Security Options on or off Full access options menu The Full Access Options menu is displayed when Security Options is OFF or when Security Options is ON and a valid password is entered Table 2 These options do not need to be changed if the factory default settings are used Table 2 Full Access Options Table 2 Full Access Options continued Option Description Security options ON or OFF Set password Display options Contrast Auto shutoff Backlight Mode Sounds Key press Stability alert Calibration reminder Date and time Format Date Time Option Description Temperature units Set temperature units Probe model settings Settings such as measurement o
40. nt units for example pH or uS cm First supplemental reading example temperature if applicable Supp Units 1 Units for first supplemental reading if applicable Supp Reading 2 Second supplemental reading example mV for pH if applicable Supp Units 2 Units for second supplemental reading if applicable Supp Reading 3 Third supplemental reading if applicable Supp Units 3 Units for third supplemental reading if applicable Reading Setting 1 4 Any settings that affect the reading for example NaCl Non Linear Column header name Data description and example values Type Type of data RD Reading CL Calibration CK Check Standard CH Calibration History IC Current Calibration Parameter Type Parameter LDO pH CD conductivity ORP ISE Date Date of reading stored in user defined date format Time Time of reading stored in user defined format Operator ID Operator ID that was used when the data was recorded Shows if no operator ID is used Any settings that affect the reading for example NaCl Non Linear Reading Message 1 4 Any message that was shown during the measurement for example Out of limits 16 English Table 1 Spreadsheet column descriptions continued Table 1 Spreadsheet column descriptions continued Column header name Data description and example values Column head
41. ptions calibration options check standard options units and resolution Refer to the probe documentation for more information Note A probe must be connected to the meter Run check standard Measure standard solution available for pH conductivity ORP and ISE probes Measurement mode Press to Read Interval Duration and Interval Continuous Instrument information Probe information Meter information Language Select language Restricted operator access options menu The Operator Access Options menu is shown at meter startup when Security Options is ON Table 3 When a valid password is entered the menu changes to Full Access Options English 19 Table 3 Operator access options Option Description Probe model settings Only methods if methods exist can be selected Refer to the probe documentation Note A probe must be connected to the meter Run check standard Measure standard solution available for pH conductivity ORP and ISE probes Note A probe must be connected to use this option Instrument information Probe information Meter information Access password Enter password Display options Contrast Auto shutoff Backlight Mode Sounds Key press Stability alert Calibration reminder Set the display options Use Display Options to change the display contrast battery saving
42. rent ID will be associated with sample data until a different ID is selected Current ID Create a New Operator ID Enter a name for a new operator ID maximum 10 names can be entered Delete Operator ID Delete an existing operator ID Data management About stored data The following types of data are stored in the data log Sample measurements stored automatically each time a sample is measured in the Press to Read or Interval Mode When the continuous measurement mode is used data is stored only when Store is selected Calibrations stored only when Store is selected at the end of a calibration Calibration data is also stored in the IntelliCAL R probe Check standard measurements stored automatically each time a check standard is measured in the Press to Read or Interval Mode When the data log becomes full 500 data points the oldest data point is deleted when a new data point is added The entire data log can be deleted to remove data that has already been sent to a printer or PC CZ key gt Delete Data Log To prevent deletion of the data log by a user use the Security Options menu English 13 View stored data The data log contains sample calibration and check standard data The most recent data point in the data log is tagged as Data Point 001 1 Push the 77 key 2 Select View Data Log to view the stored data The most recent data point is shown The top of the screen shows whether the
43. s Precautionary labels Read all labels and tags attached to the instrument Personal injury or damage to the instrument could occur if not observed A symbol on the instrument is referenced in the manual with a precautionary statement This symbol if noted on the instrument references the instruction manual for operation and or safety information This symbol indicates that the marked item can be hot and should not be touched without care Electrical equipment marked with this symbol may not be disposed of in European public disposal systems after 12 August of 2005 In conformity with European local and national regulations EU Directive 2002 96 EC European electrical equipment users must now return old or end of life equipment to the Producer for disposal at no charge to the user Note For return for recycling please contact the equipment producer or supplier for instructions on how to return end of life equipment producer supplied tb electrical accessories and all auxiliary items for proper disposal Product overview The HQd series portable meters are used with digital IntelliCAL probes to measure various parameters in water The meter automatically recognizes the type of probe that is connected to the meter Measurement data can be stored and transferred to a printer PC or USB storage device The HQd series meters are available in 4 models HQ11d pH mV ORP e HQ14d con
44. thout batteries 430 g 0 95 Ib with four AA alkaline batteries Temperature correction Off automatic and manual parameter dependent Measurement display lock Continuous measurement Interval or Press to Read mode Averaging function for LDO probes Meter enclosure IP67 waterproof to 1 meter for 30 minutes Battery enclosure Water resistant to 0 6 m 2 ft for 15 seconds Power requirements internal AA Alkaline or rechargeable Nickel Metal Hydride NiMH batteries 4 battery life up to 200 hours Power requirements external Class II external power adapter 100 240 VAC 50 60 Hz input 4 5 to 7 5 VDC 7 VA output Meter protection class Class Storage temperature 20 to 60 C 4 to 140 F Operating temperature 0 to 60 C 32 to 140 F Operating humidity 90 non condensing 5 pin input connector M12 connector for IntelliCAL probes 8 pin input connector The 8 pin connector enables USB and external AC power connectivity USB DC adapter Peripheral and host Data memory internal 500 results Data storage Automatic in Press to Read mode and Interval Mode Manual in Continuous Read Mode Data export USB connection to PC or USB storage device limited to the storage device capacity Transfer entire data log or as readings are taken Keyboard External PC keyboard connector via USB DC adapter
45. yyy 12h mm dd yyyy 24h mm dd yyyy 12h dd mmm yyyy 24h dd mmm yyyy 12h yyyy mm dd 24h yyyy mm dd 12h Date Use the A and NV keys to enter the current date Time Use the A and N keys to enter the current time The current date and time will be shown on the display Connect a probe after the date and time setup so that the meter is ready to take a measurement Connect a probe 1 Make sure that the display shows the current time and date Note The time stamp for a probe is set when the probe is first connected to the meter This time stamp makes it possible to record the probe history and record the time when measurements are made 2 Plug the probe into the meter Figure 9 3 Push and turn the locking nut to tighten Figure 9 Probe connection 1 Probe connection port 2 USB DC adapter port HQ40d only 3 Probe connection port Standard operation About calibration Each probe uses a different type of calibration solution Make sure to calibrate the probes frequently to maintain the highest level of accuracy Note For step by step instructions refer to the documents that are included with each probe The calibration icon L can indicate that e the calibration timer has expired 12 English the LDO sensor cap should be replaced e the calibration is out of range e the calibration results are outside acceptance criteria settings About sample measurements Each probe has specific preparation st
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