User Manual
Contents
1. ee ANA NR ho ea E 6 Theoplionsxat a gallega oae en canara baa bee cb bbs deas o Dl necu Ae 7 Measuring Channels 8 o 9 Performing measurements while the battery is being 9 Flow through adapter for conductivity and temperature measurement 9 p 10 E E a 11 6 sR bd UE Dade 11 Saving C c T 11 Displaying battery charge progress and 11 Battery gauge display during 12 octets tator mete Oe ee mene fuiste cose unes cU eee rome 12 Battery replacement ONLY BY 12 Value cures Uie s n Casta a Mid Gest RAD 15 INS AS IDNs hocks c Dn 16 Conductivity and temperature 16 Fundamentals of temperature compensation 16 Applian2. 1500 00 mmHg 2 mmHg I I Conductivity 3 I 1000 0 mmHg 1 mmHg 600 00 mmHg 2 mmHg 59 2 pH 6 0 02 118 4 mV pH 9 0 02 bx I Troubleshooting 32 Troubleshooting Problem USB cable connected but the battery is not being charged Reason USB port of laptop does not provide enough power Solution Connect the meter to the battery charger or a USB port which 1s able to supply at least 500 mA Reason USB cable broken Solution Replace cable Problem The meter can not be switched on Reason Battery is empty Solution Connect the meter to a battery charger or an USB port Reason Other problems Solution Press and hold the on off key for at least 5 seconds The meter will perform a Low Level Reset and should start afterwards Problem The meter powers off itself after a couple of seconds Reason Battery empty Solution Connect the meter to a battery charger or an USB port Problem pH channel can not be selected only Version BP Reason pH channel is disabled in basic settings menu Solution enable pH channel in basic settings menu Problem Pressure value does not tare zero balancing does not work only versions BO and BP Reason There is still pressure applied to the pressure transducer Solution Disconnect pressure hose directly at meter 33 Interface Technical data Conductivity
3. 36 Driver installation example for Microsoft Windows XP Service Pack 2 I Insert the Installation CD in the CD or DVD drive of your computer Connect the HDM97 Pocket via the USB cable with a free USB port of the running computer It does not matter whether the instrument is switched on or off A Found New Hardware Wizard Window will appear on the screen like that right here from the text Choose No not this time and afterward click on the button Next Driver source selection dialog Choose Install from a list or specific location Advanced and click on the Next button afterwards Choose Search fort best driver in these locations and check Include this location in the search Then use the Browse button and choose your CD DVD drive s letter and add folder drivers to it In the given example on the right side the CD DVD driver has drive letter D assigned Click on the Next button afterwards Windows Logo Test Choose Continue Anyway Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only Yes now and every time connect a device 9 No not
4. 3 from current value otherwise 3 from upper range value Interface Internal power source 34 Internal Li Ion Polymer battery rechargeable with USB 5V DC max 500mA Operating time depending in channel up to 60 hours Nominal Voltage Max charge voltage Capacity Battery charge time Device use time External power supply Input voltage Output voltage current Plug Degree of protection Meter Conductivity probe Size and weight Size Weight 3 7 V 4 2 V internally generated an monitored 850 mAh or 3 1 Wh approx 3 hours estimated 40 hrs displaying conductivity up to 120 hrs stopwatch USB not connected 100 240 V AC 50 60Hz 5 V DC 500 mA min Mini USB A Plug IP66 max 0 5 m immersion depth max 5 min 165 x 82 x 33 mm 400 gr without battery charger including conductivity temperature probe These technical data may be changed without notice 35 Interface PC Interface USB Interface The USB interface of the HDM97 Pocket is electrically isolated from the appliance part Two drivers are needed for installation One driver is made for invoking the interface like any other USB device and the other driver is used to emulate a serial COM port device Interface parameters for serial COM port emulation The HDM97 Pocket uses the preset values below for serial COM port emulation Property Baud rate Data bits Parity Stop Bit Handshake Interface
5. K 2 050 NIK BIC Nikkiso Bicarbonate 2 200 K 2 200 K Conductivity STANDARD 2 000 K 2 070 K USERTC Adjustable 0 5 000 K Adjustable 0 5 000 K The calculation below shows the drastic effects of an incorrect temperature coefficient Example calculation for an incorrect temperature coefficient using a dialysate with a temperature coefficient of 2 07 2 Conductivity Temperature of Mense Meter Difference of solution solution Of meter display in values mS cm mS cm Which temperature coefficient you should use First of all please double check the temperature coefficient with the machine manual If you have machines from one manufacturer only in your use the temperature coefficient that the dialysis machine uses for compensation If you have different types of dialysis machines in your unit the best solution is to use a temperature coefficient of 2 07 C for all machines This avoids confusion with different readings of the conductivity on different machines 19 Adjustment and Calibration Selecting the temperature coefficient Be aware that changing the temperature coefficient will lead to changes in values displayed by the meter Therefore only change the temperature coefficient if you are fully aware of its consequences If the temperature coefficient setting is wrong it will lead to false display values The HDM97Pocket 15 able to apply dynamic temperature coefficie
6. group IBP click on the entry IBP Universal and then drag and drop it to the right box Existing hardware devices existing devices to use to z 5 the list on the right j SEU Delete 2 After the drag and drop procedure a window opens which can be used to set the number of the serial COM port and the number of channels for the instrument For a HDM97BP four channels are possible In case the pH channel is disabled in the base settings of the HDM97BP the meter has only three measuring channels selecting of a wrong channel number than the meter really provides will result in a not working data transmission B p System B a ad Anschl sse COM und LPT To find out which COM Port the USB E Ereigmnisanzeige ECP Druckeranschluss LPT 1 Driver has selected please select the Freigegebene Ordner Kommunikationsanschluss COMI 2 Lokale Benutzer und Gruppe bee m SEXUS e sS USE Windows System Manager and than the 8 Leistungspratokolle und War 7 EAA dee ER Device Manager Under group Conncetions bes Gerate Manager Bl 31 0 Audio Video und Gamecontroller COM and LPT you should find the port Hardware configuration 3 After this the device 15 displayed in the Supported hardware devices Existing hardware devices right box Other hardware devices can be added if needed Click on OK to close the Multimeter window existing devices t
7. If you expect to measure values around pH 6 then use the pH 5 and pH 7 buffer solutions for instance The adjustment has to begin with the lower pH value and to end with the higher pH value Preset the buffer solutions value using the aa 97 navigation keys Before dipping the probe into the buffer solution it has to be flushed with distilled water and dried by carefully dabbing it Depending on the mode you have chosen the temperature sensor must also be flushed and dried Then dip both into the buffer solution and wait until the measuring values become stable In this case apply the value using the navigation key OK Flush and dry the probes before continuing with the second adjustment point The second point is adjusted in the same way After the last adjustment point has been completed the instrument displays ADJ OK in the upper line of its display If the adjustment is not correct the instrument displays ADJ ERR in the display along with a long warning beep In this case the adjustment values will be discarded and the procedure has to be started from the beginning A failed adjustment can also be an outcome of a defective instrument Cancelling the adjustment procedure If you are uncertain to have entered the correct values at any step in the adjustment procedure you can cancel the process at any time Cancelling the operation will discard the adjustment values Restoring adjustment values with factory adjustment values If you h
8. PRES only available in versions BM BO BP and BQ selection between units mmHg mbar kPa and PSI F Pressure drop measurement start count down timer return to measuring mode F reading min value F reading max value Returns automatically back to measuring mode after 5 sec reset of both the min and max value return to measuring display press 3 seconds tare shown with ZERO in display afterwards 21 Adjustment and Calibration Offset balancing tare Caused by drift of the pressure probe the pressure display may sway slightly around zero The HDM97 Pocket is equipped with a tare function which sets the value to zero if drift occurs While performing this function there must not be any pressure on the pressure transducers inlet This 15 assured when the pressure tube is not connected Then the environmental pressure represents zero Procedure 1 Make sure there 15 no pressure applied to the pressure transducer 2 Press and hold down the key a until the upper display line shows ZERO this will take three seconds 3 The measuring value is now set to zero Pressure drop measurement In pressure measuring mode the drop measurement function can be invoked by pressing the F key Display PRESS 60 60 means 60 seconds countdown 406 2 start value example Keys gt Stores the current value internally and starts a 60 second countdown The bottom line displays the
9. a measuring device are changed in that way that its scale or display reads the same as an reference device or standard Calibration Calibration is the process of establishing the relationship between a measuring device and the units of measure This is done by comparing a device or the output of an instrument to a standard having known measurement characteristics For example the length of a stick can be calibrated by comparing it to a standard that has a known length Once the relationship of the stick to the standard is known the stick can be used to measure the length of other things Adjustments are checked by performing a calibration General According to ISO 10012 1 General Quality Assurance Requirements for Measuring Equipment the error attributable to calibration should be as small as possible In most areas of measurement it should be not more than one third and preferably one tenth of the permissible error of the confirmed equipment when in use In other words the accuracy of the references to adjust or calibrate the HDM must have at least a tree times higher accuracy After a channel has been adjusted it is necessary to calibrate it afterwards If inconclusive or incomprehensible values are shown the display it is highly recommended to do a calibration The procedure of calibration and adjustment is slightly different for each channel Proceed with an adjustment only if you have fully understood the procedure e Conductiv
10. difference between the current value and the stored start value ESC Cancels the function and return to normal pressure measurement After the countdown has finished the instrument beeps 5 time and displays the following values Display PRESS 00 400 0 example value after 60 second countdown 6 2 example internally stored start value end value after 60 seconds Key ES Returns back to normal pressure measurement Adjustment and Calibration 22 pH measurement M available only in version BP if enabled in the Basic Settings pH selection between compensation 20 C 25 C 37 C and measured temperature reading min value F reading max value Returns automatically back to measuring mode after 5 sec Eq reset of both the min and max value return to measuring display no function Temperature compensation The HDM97 Pocket can perform pH measurement in four different ways of temperature compensation By pressing the key you can choose between these four compensation modes e pHat20 C Display PH 20 0 C e pHat25 C Display PH 25 0 C pHat37 C Display PH 37 0 C e pH compensated by simultaneous measured temperature Display PH Background of pH measurement For measuring pH a combined electrode is used Combination pH electrodes are combinations of one reference electrode and one measuring electrode in a glass tube The pH value in the dialysate is measured by
11. settings AUTO OFF Set the delay time fort he auto power off function or disables it BEEP enables disables the keypad acknowledge beep CAL RES All Overwrites the user calibration dataset with the device initial calibration dataset LANGUAGE Adjusts the display language w gt AUTO OFF tb OFF disables function 30 MIN 30 minutes delay Mi 60 MIN gt 60 minutes delay 90 MIN 90 minutes delay Then to apply and save this setting or to discard this setting _ BEEP Hi ON keypad beep enabled b OFF keypad beep disabled gt Then to apply and save this setting Or to discard this setting Base Installation wy gt CAL RES w gt LANGUAGE gt Then Or w gt Then Or 14 Press 5 seconds until the counter in the display reaches zero Then a calibration dataset reset will be performed This takes a couple of seconds The instrument performes a restart afterwards HI DEUTSCH german language ENGLISH english language to apply save this setting to discard this setting Ha stopwatch function enabled Hi OFF stopwatch function disabled to apply and save this setting to discard this setting gt pressure hold test Then Or gt gt Then or MM increases the value fb lowers the value to apply and save this setting to discard thi
12. 0 to 30 0 mS cm 4 Pole probe Resolution and accuracy Resolution Accuracy 0 0 200 uS cm 0 1 uS cm 0 6 uS cm 201 1999 uS cm 1 uS cm 5 2 00 30 mS cm 0 01 mS cm 0 03 mS cm Reference temperature 25 C Temperature compensation 15 2 070 per Kelvin Adjustable from 0 00 to 4 00 Kelvin Or selectable from dialysis machine manufacturer preset values Temperature only versions BN BO BP and BQ Range 0 100 C Resolution 0 01 C Accuracy 25 40 C 0 05 C otherwise 0 1 C Pressure BO BP and BQ versions fluid resistant ceramic sensor Units mmHg kPa mbar PSI Range 700 1900 mmHg 2 5 Bar Resolution 0 1 mmHg Accuracy 0 300 mmHg 1 mmHg Otherwise 2 mmHg Fluid resistance yes Pressure only Version BM and Option H for BQ Version Units mmHg kPa mbar PSI Range 700 1900 mmHg 2 5 Bar Resolution 0 01 mmHg Accuracy 0 300 mmHg 0 5 mmHg 301 1000 mmHg 1 mmHg Otherwise 1 mmHg Fluid resistance no pH only BP Version Range pH 0 14 max slew rate 70mV 118 ApH Resolution pH 0 01 Accuracy pH 0 02 DC input impedance min 10 Tera Ohm min 10 10 Ohm Input leakage current typ 2 2 pA Temperature compensation with temperature measurement or preset values to choose from Flow only version BL and BQ Range 100 2500 ml min Resolution ml min Temperature range 0 85 C Accuracy 100 250 ml min
13. 58 700 TO 1900 mm RANGE 7288 0 2200 po 4000 mmkig 5000 Flow Pressure 97 97 aange 700 TO 1900 mmHg MAX 4000 mmHg 5000 mber Conductivity Pressure Conductivity Temperature Temperature HDM97 BQ HDM97 BP 700 TO 1900 mm RANGE 60 0 2600 p 4000 mmHg 5000 mbs 700 T 10 muim RANGE 260 2800 mbar MAX 4000 mmbig 5000 mbar pH Pressure Conductivity Flow Pressure Conductivity Temperature Temperature HDM97 BQ with Option Conductivity Probe Connector 700 TO 10 mmg di IE mbar MAX 4DD0 mmHg 5000 mbar Flow Pressure Conductivity Temperature Depending on the configuration the appliance part consists of a BNC inlet for pH electrode connection a male connector for pressure transducer inlet a connectorfor the flow probe and a directly attached cable which leads to the conductivity temperature probe or connector for the probe The appliance part 1s 1solated against the USB Connector withstanding 4000V AC or 6000V DC for one minute minimum according to ISO EN 60601 1 7 General The options at a glance Your device might be equipped with one of the following options Option H Option H 15 a higher accuracy in pressure measurement Please note that the sensor 15 not fluid resistant with this option Option identification is an H behind the product name for example 97 Option C Option C is a connector
14. 97 Pocket is equipped with up to 4 channels ee perd ie d ied HDM97 BQ m Pe Rn Ch Description Range Unit 14 00 without If not disabled 4 Flow ml min If not disabled If the wrong number of channels 15 selected the data transmission will not work correctly In case the pH channel is disabled in the base settings of the HDM97BP the meter has only three measuring channels
15. IDMO9 7 POCKET 29 Ec e 32 Heuer m 33 E ET 35 USBAINENaC a 35 Interface parameters for serial COM port 0 00 0001011 35 Driver installation example for Microsoft Windows XP Service 2200002001005001000000000 eterne eren 36 zones an A G E 38 IBP VIEW eet 39 MV AU eee 39 HSIN PT sac E ee 40 E IE 40 DISCODDGC P Lote d iE Een 40 igre A cus teeta E OTE 40 Selecung hardware em e DU 41 ASSIGNING graphs to hardware crianriels uses cout vas Pac sed un iia lated edie 42 43 Introduction Introduction The HDM97 Pocket meter series are reference instrument designed f
16. MAP HDM97Pocket Reference Meter Series User Manual HDM97BL HDM97BM HDM97BN HDM97BO HDM97BP HDM97BQ Preface The information contained in this is subject to change without notice IBP Medical GmbH its distributors and subsidiaries take no responsibility for any errors or omissions in this document The contained software is being delivered on the basis of a general licence contract or in single license Use or reproduction of the software is allowed only in agreement with the contractual arrangements Whoever transfers this software and or this manual on magnetic tape diskette or any other media except for the purpose of own use without written authorization of the IBP Medical GmbH is liable to prosecution Copyright C 2009 IBP Medical GmbH All rights reserved All brand names mentioned in this document are property of their respective owners Publishers IBP Medical GmbH IBP Medical Inc 15 4113 W St Charles Ave D 30179 Hannover Phoenix AZ 85041 Germany USA Phone 49 511 651647 1 865 686 8650 Fax 49 511 652284 1 866 243 0187 Internet http www ibpmedical com http www ibpmedical com E Mail support ibpmedical com america ibpmedical com Manual authors Dipl Ing Werner Pfingstmann Holger Kleinert Document Number DHDM97 0220 01 Revision history Rev 0 29 05 2008 Rev 1 18 03 2009 Update Hard und Software release 2 0 Rev 2 01 10 2009 Update Flow sensor Rev 3 04 11 2009 Updat
17. an unbreakable pH electrode The glass body 15 protected with a plastic coat and due to the jelly electrolyte filling it is maintenance free This electrode s diaphragm must be stored in 3 mol l KCl solution The protective cap must be refilled every three to four weeks to prevent the electrode from drying out Before use the electrode must be checked for exterior damage and crushed glass Crusts caused by leaking electrolyte can be removed easily by rinsing with reverse osmosis treated water The sample volume should be 100 ml of dialysate or 1 liter of untreated water The sample should be poured into a clean glass container with a tube or hose coming into as little contact with air as possible The pH value must be measured immediately the same container Make sure that the display stabilizes before the value is read In stirred solutions the response rate is faster the value however must be measured at resting fluid The pH electrode must be dabbed only with a lint free cloth and never rubbed dry Rubbing destroys the jelly layer on the glass surface which results in a longer response time for the electrode Pressure and fluid currents have considerable influence on the pH measurements For high accuracy pH measurement it is essential to take the pH measurement in a resting solution at environmental pressure 23 Adjustment and Calibration Flow measurement This mode is available only if a flow sensor is connected Flow avai
18. and conductivity in flow though mode With immersion usage of the probe it 1s suitable for measuring temperature and conductivity concurrently The preferred orientation of the adapter is vertical The axial connector must point down see picture In flow through mode the axial connector is to be used as inlet meanwhile the side connector is to be used as outlet The connection to the pressure transducer inside the HDM97 Pocket is accomplished by the lateral connection above the inlet Before measurement it is necessary to shake the adapter slightly so that air bubbles trapped inside can pass off through the outlet Screw cap For immersion usage the probe must be unscrewed from the flow through adapter To accomplish that do not turn the upper shank the probe may be damaged Only turn the nut as shown in the picture left Dialysate pressure outlet Never touch the carbon ring electrode surfaces with your fingers or other objects Do not buckle the probe cable The minimum allowed bending radius is cm or 114 inches General 10 Keypad Main functions The keypads main functions of the HDM97 Pocket are listed below LO Key for switching the instrument on and off 88888888 88888 ate Key for selecting the measuring channel mmHg DODDO Ren 5 for selecting the unit to display or temperature coefficient Key leads to channel dependent special functions Key gt to tare the p
19. aning of the conductivity temperature measuring cell is recommended Remove water soluble substances by rinsing with deionized water fats and oils with warm water and household dish washing detergent Lime and hydroxid crusts can be dissolved by a 10 citric acid solution In each case the measuring cell needs to be washed with deionized water after the cleaning Basically the conductivity measuring cell does not decay over time Particular measuring media for example strong acids and caustic solutions organic solvents or too high temperatures shorten the service life considerably and or lead to damage Caring for the conductivity temperature electrode Thorough cleaning of the electrode is particularly important for measuring low conductivities Water soluble substances must be removed by rinsing with deionized water Remove lime deposits with a 10 citric acid solution To do this immerse the electrode in the solution for 30 minutes at room temperature then rinse it thoroughly with deionized water Do not touch the electrode surface with your fingers If necessary clean the surface with acetone Caring for the flow sensor After use make sure to rinse the flow sensor with deionized water for a couple of minutes Please clean the inlet filter on a regular basis Maintenance 30 Calibration period When delivered new from the factory each device is adjusted and calibrated before shipment To ensure reliability we recommend the follo
20. ave failed to adjust the instrument properly you can overwrite the user adjustments with a factory adjustment value set which has been stored into the instrument during production process Please refer to chapter Basic settings 29 Maintenance Maintenance of HDM9 Pocket Generally the HDM97 Pocket can be considered as an easy care instrument Like all measuring instruments there is a minimum of maintenance and care necessary to ensure that all functions work flawlessly Operate the instrument only in a dry environment and do not touch it with damp hands Ensure that no fluids intrude into the interior of the device or into the sockets at the front There are no parts in the HDM97Pocket which you can repair yourself Contact our technical support team in the event of any malfunction If the device should become damaged or malfunction send it to IBP or your distributor for repair Storage Keep the device in a dry place Suitable is for example the original packaging in which you have received the HDM97 Pocket or the carrying case offered by IBP as accessory If you do not use the device over a longer period of time you should connect it to the included charging device about every month for one hour to avoid exhausting the batteries Cleaning Never clean the device with any fluids In case of pollution you can wipe the surface of the HDM97 Pocket with a dry and clean cloth For measurements in the lower conductivity range the cle
21. ce of temperature coefficients 0200000 01001 17 Temperature compensation eee ee 18 xe eel eee ce a cde ee 20 Pressure MOGSUI ing ipjge DP 20 Pressure drop MEASUECINIG IU 21 Di IMG AS UNG scu uei cues cun cud d 22 PE 22 Backgrournd ofr pH ineasuretrierit s c eb Rab 22 HOw ecu ic icis ud Let soars 23 ATIENUATION OF emeret 23 MME Hoa v ate etna ooh 24 Adjustment and evel oso eee 25 CTI DES PME 25 B 1 mua oy wee eer 25 Ca 25 Handling or RETEFENCE S ONIONS E TONO 26 Adjusting the 97 26 Maintenance or F
22. correct the instrument displays ADJ ERR in the display along with a long warning beep In this case the adjustment values will be discarded and the procedure has to be started from the beginning A failed adjustment can also be an outcome of a defective instrument Point Display Pressure Boundaries amp ere Conductivity The adjustment of the conductivity channel is done by adjusting the cell parameter To achieve this only one adjustment point is necessary Point Display Cell parameter Initial Conductivity First of all set the displayed adjustment value to the value of your reference solution Then make sure that the solution has a stable temperature of exactly 25 00 C Wait until both the temperature and the conductivity values in the display become stable before pressing the navigation key After that the cell parameter is being calculated and will be stored in the instrument Adjustment and Calibration 28 pH It is necessary to adjust th pH channel before each usage It is achieved using two adjustment points Point Display imitat pH value a wp o 9 A pH adjustment has to be done according to the following instructions Set the mode of temperature compensation to the mode you have to use afterwards Prepare 2 buffer solutions which should not be more different than 2 pH values from each other and which are around the value you expect from your measurement
23. ductivity will change according to temperature With increasing temperatures the measured solution s conductivity will increase too To achieve meaningful measurement results the conductivity value displayed is compensated to 25 C In other words the display is always converted to a solution temperature of 25 C The temperature coefficient which the displayed value is compensated with is expressed as C Unfortunately however different solutions also have different temperature coefficients To achieve an exact display the instrument will have to be adjusted to the temperature coefficient of the current solution The commonly used temperature coefficient for dialysates 1s 2 07 K For naturally occurring solutions a value of 1 97 C is frequently used Many measuring devices not specially tailored to dialysis will use this value Temperature compensation Temperature compensation using a single temperature coefficient A single temperature coefficient 1s used for calculating the conductivity value at the common reference temperature from the actual measured conductivity and the actual measured temperature In order to use one single temperature coefficient the values for 25 C and 37 C must be the same Dynamic temperature compensation Dynamic temperature compensation 1s achieved by calculating a temporary temperature coefficient for the measured temperature using a set of two coefficients for 25 C and 37 C respective This temporary
24. e 1f one of the conditions listed below becomes true for the specified time period e n pressure mode The value remains 0 for the specified time period Inconductivity mode The conductivity is 0 us cm for the specified time period InpH mode The pH probe is not connected for the specified time period The HDM97Pocket does not switch off when one of the conditions below are met e computer is connected to the meter e The TIMER stopwatch is running regardless if displayed or hidden Displaying battery charge progress and finish If the battery 1s being charged the symbol at the left top corner in the display 1s animated in 4 steps There is a delay of one second displaying each step After the last step has been displayed the animation starts from again like illustrated in the picture below ALIS Lis mni V lt lt After the battery has been charged up to its maximum capacity the inner 3 columns of the battery symbol start to blink in a one second period as shown is the illustration below AL gt iy V lt lt General 12 Battery gauge display during operation If nothing is connected to the USB port during operation the internal battery is used to supply power to the instrument The battery symbol in the left top corner of the display shows the remaining capacity of the internal battery The combinations have the meanings listed below The battery is 100 full The batte
25. e Flowsensor Cleaning Rev 4 20 01 2010 Added Reading of Min and Max Values This manual is only valid for the software revisions listed below Meter 1 50 1 59 and 2 50 2 59 IBPView 2 00 AX CE SAFETY INSTRUCTIONS For your and your patients safety read and consider the safety instructions below carefully Read the entire manual carefully before using the HDM97 Pocket Keep the instrument away from unauthorised persons Only use the HDM97 Pocket as reference instrument to measure Conductivity Temperature Pressure Flow and pH depending to it s equipped features Never use the HDM97 Pocket as a replacement of sensors of a medical device Do not use the HDM97Pocket in conjunction with a medical device during a treatment Only use the instrument in a dry environment and do not touch it with wet hands Make sure that no liquids intrude inside the instrument or it s inlets outlets Always use a clean protection filter for the pressure transducer inlet Prevent every mechanical overstraining of electrical wires Never buckle or pull the cable of the conductivity probe If the acquired values seem to be not believable make sure that the HDM97 Pocket is not defective Prevent electrostatic discharge on the connectors This can lead to substantial damage of the instrument Make sure to be completely discharged before touching the connectors or cables connected to the instrument Adjust the meter only if you are fami
26. eter Version HDM97BL HDM97BM HDM97BN HDM97BO HDM97BP HDM97BQ HDM99XP Product Code 31 0XXX XX X Depending on Version meet the provisions of the Council Directive 93 42 EEC concerning medical devices which apply to them Medcert GmbH Vorsetzen 35 20459 Hamburg 0482 Responsible Dipl Ing Werner Pfingstmann Delivery 4 Delivery Content CY CEN o AN CD HDM97Pocket with USB drivers Software DF 5 5 Warranty Warranty IBP Medical GmbH warrants that it will repair or replace at its option any defective or malfunctioning part without charge for the terms listed below Parts used for repair or replacement are warranted for the remaining warranty period only The warranty period is 24 month from date of delivery by IBP The device must be delivered free of charge to IBP Medical GmbH The warranty does not cover Disposable parts as battery or pH electrode Annually calibration Cell cleaning Defects caused by 1 Modification alteration repair or service of the product by anyone other than IBP Medical or an authorized service center 2 Misuse due to negligence or accident 3 Operation or maintenance of the product in a manner contrary to IBP instructions Any express warranty not provided herein and any remedy for breach of c
27. for the conductivity probe Please note that the probe 15 calibrated with the meter and cannot be used with other meters To use the probe with other meters a new adjustment of the conductivity is needed After this adjustment the meter will accept the probe in the future Option identification is a C behind the product for example HDM97Bac 97 General 8 Measuring Channels Only use accessories provided with the HDM97Pocket Use of other devices may damage the instrument and will void the warranty Conductivity Temperature Probe The conductivity temperature transducer is a quadropole design for greater accuracy and longevity than other designs Standard precision pressure transducer This pressure transducer is watertight However it is recommended to keep fluids away from the sensor because residues like salt can falsify measurement results In this case the sensor needs to be flushed with deionized water High precision pressure transducer To avoid damage or inaccurate measurement ensure that no fluids enter the instrument We recommend the use of a Transducer Protector for this purpose Never flush the sensor Pressure drop measurement This is not a real channel it is a function for measuring pressure loss in systems for a specified time Timer This is not a real channel it is a function to help performing anything where time is a crucial element pH The input connector is designed excl
28. he conductivity value in the bottom line available versions BN BO and BQ selection of conductivity temperature coefficient F reading min value reading max value Returns automatically back to measuring mode after 5 sec Eq reset of both the min and max value return to measuring mode no function Fundamentals of temperature compensation Definition Electrical Conductivity Electrical conductivity or specific conductivity is a measure of a solution s ability to conduct an electric current Electrical conductivity of electrolytic solutions is strongly dependent on temperature In order to compare electrical conductivity measurements at different temperatures they are standardized to a common reference temperature This common temperature is 25 C The dimension unit commonly used is mS cm at 25 C Common temperature The common temperature 15 the temperature at which non compensated conductivity measures and compensated conductivity measures have the same value Temperature coefficient The temperature coefficient 15 the relative change of the solution s conductivity depending it s temperature standardized to common reference temperature The dimension unit of this value is measured in K 17 Adjustment and Calibration Appliance of temperature coefficients This is a topic that is frequently misunderstood and often neglected in hemodialysis A solution s con
29. he end of the line you Bp Disk Defragmenter 56 lt gt Interface will find the number of the associated COM port in this case COM3 e Universal Serial Bus controllers LISB lt gt InterFace In addition you will find the USB communication interface in the Group USB l USB Root Hu Controller It is named USB lt gt HDM Interface Interface 38 Data transfer To receive measurements from the HDM97 Pocket via the USB interface the following abbreviations must be sent via the interface The entire communication takes place in readable ASCII characters Command Reaction to HDM97 Pocket of the HDM97 Pocket HDMCMO activates the data transfer HDMCMF deactivates the data transfer HDMEIH transmits all units VAL transmits the values Format of the values Conductivity in S cm 9 signs Temperature in C 7 signs Pressure in mmHg 9 signs pH 5 signs only version BP Flow in ml min 5 signs only version BQ CR LF 2 signs The separation of the values is done by using Example Command HDM97BP sends 0 1234567 123 123 12345 12 12 12 CR LF Command HDM97BP sends S cm C mmHg pH CR LF IBPView 39 IBPView What is IBPView IBPView can be obtained optionally for the HDM97Pocket and can be used as well for other HDM instruments A demo version is included in the folder Software on the driver CD This demo can not save export or prin
30. ibration 24 TIMER gt TI M E R if enabled in the Basic Settings Timer start afterwards gt Timer stop gt Timer reset the cycle Start Stop and Reset can started again no function Es afterwards no function Multifunction key The first push starts the timer the next push stops the stopwatch and pushing it again resets the timer If enabled in the basic settings menu this works as a stopwatch By pressing the key Eq e g the stopwatch 15 being started by pressing it again it is being stopped Pressing the key a third time resets the shown time to 00 00 00 and the stopwatch can be used again TIMER die display changes to MM SS DS automatically after 2 seconds MMY SS DS 00 00 0 tenth seconds MEE 1 seconds minutes After 59 minutes and 59 9 seconds the display form changes so that hours minutes and seconds are being displayed The tenth second display is not available then After 9 hours 59 minutes and 59 seconds the stopwatch stops itself HH MMY SS 0 00 00 lt seconds minutes hours 25 Adjustment and Calibration Adjustment and Calibration Precautions Use the adjustment functions only if you are fully aware of their consequences Wrong adjustment values will lead to false measurement values and in consequence these false values lead to hazards for patients Definitions Adjustment An adjustment is a process in which properties of
31. ity is adjusted only at one sampling point No further points are needed due to the high linearity of the conductivity probe e The temperature sensor does not drift Normally there is no adjustment necessary The adjustment is done by using two sampling points e The pressure transducers drift 15 linear within its tolerances so there 15 a tare function see chapter Measuring Normally there is no adjustment necessary The adjustment is done by using seven sampling points e Due to the kind of their technology it is necessary to adjust pH probes periodically This is done using two sampling points If you are uncertain of entering the correct adjustment values you can discard the values and cancel the adjustment procedure at any time Adjustment and Calibration 26 Handling of Reference Solutions IBP Medical standard solutions are produced under ISO13485 2003 quality management They are traceable to NIST and PTB Standards Reference Materials and are sealed with tamper evident packaging To ensure standard solution and calibration verification accuracy e Keep solutions tightly capped to avoid evaporation e Do not return used solutions to the storage bottle Do not remove solutions from their original bottle e Keep the solutions 1 a cool place e Use only fresh reference solutions for calibration and verification e Use the solution immediately after pouring evaporation will cause errors e Discard solution the appropriate number
32. lable only in version BL and BQ if enabled in the Basic Settings Attenuation reading min value F reading max value Returns automatically back to measuring mode after 5 sec reset of both the min and max value return to measuring display gt Reset accumulated volume to 0 The flow sensor must be connected with the interface shown in the picture below To avoid malfunction of the sensor please make sure to connect fluid correctly the sensor The sensor has a label showing the flow direction Sensor Out Filter Sensor In The head line of the display shows the measuring unit and after a space the unit for the accumulated value as for liter In the middle line the flow in ml min and in the bottom line the accumulated value in liter is shown For high accuracy measurement we recommend to rinse the flow sensor with 100 ml min RO water for 15 min Reset accumulated value The accumulated flow value can be resettled at any time following the procedure below Procedure 1 Press and hold down the key a until the upper display line shows ZERO this will take three seconds 3 The accumulated value is now set to zero Attenuation of reading The reading of the current can be attenuated With button the selection menu can be called Values up to 180 can be selected The selected value represents the time in seconds during the values are averaged Adjustment and Cal
33. lation now and contact the hardware vendor for software that has passed Windows Logo testing STOP Installation 37 Interface 8 The driver installation is in progress This can New take a couple of minutes Please wait while the wizard installs the software USB lt gt HDM Interface 9 The driver installation was successful click on 7777 7777 the button Finish to complete the Completing the Found New procedure Hardware Wizard The wizard has finished installing the software for USB lt gt Interface Click Finish to close the wizard After you have finished this procedure another similar Wizard will popup Do exactly the same you did in the first procedure as described earlier One installation is for the COM port emulation the other installation is for the USB interface itself Checking the driver installation optional The USB interface of the HDM97Pocket emulates a serial COM port and offers a proprietary interface to communicate directly with the USB interface Use the My Computer Manage function to open the Performance Logs and Alerts F Ports amp LPT Device Manager and search for a Group called Ports E Device Manager 47 Communications Port COMI COM and LPT You should find an entry called Storage rco tert CON f Atth e Storage ECE Printer Port LPT 1 MSN USB lt gt HDM Interface At t
34. liar with the consequences of the adjustment Consider the hints for reference solutions in the user manual Potentials above 42V against earth ground are dangerous This potentials can lead to electrical shock and therefore to health hazards Make sure that none of the connectors has higher voltage than mentioned before The direct connection of earth potential to any connector of the instrument is not applicable for safety purposes and may substantially damage the instrument Make sure that the medical device itself is properly connected to earth ground according to its instruction manual Make sure that the instrument never heats over 60 C 140 F Prevent direct sunlight Never sterilize the instrument using an autoclave Danger of explosion of the battery Never throw the meter into a fire Danger of explosion of the battery Never open the meter There are no parts inside you can repair Never try to replace or repair the internal battery Handled in the wrong way these part is dangerous Extreme risk of fire and explosion Table of content eee TD UNE 2 A DDICAUOI eet DELE 2 Medical DEVICE LICENSE 3 ETOD cO Tr 3 By o ee 3 S MIB CC 3 2 E T m 4 5 Battery and Electronic HeCyc 5 me e 6
35. nce COMI COM2 etc The COM port number of the hardware is defined automatically during the driver installation The application must know this number in order to communicate with the device For obtaining the number for the HDM97Pocket please refer to chapter Checking the driver installation In this example COM is used Be aware that connecting the HDM97Pocket to different physical USB receptacles will result in different COM port numbers one for each receptacle This is done to make multiple HDM meters work with one computer concurrently 41 IBPView Template projects Project files are named in way Name ibp get an easy start with IBPView there are preconfigured version specific templates for each type of instrument These templates include all common setting for start working with the application Only the number of the COM port must be adjusted to the number the driver installation has chosen if it is not coincidentally the same number is used For help to select the right COM port read also chapter Checking the driver installation Templates are available on the CD HDM97 Pocket Selecting hardware Supported hardware devices Existing hardware devices 1 Click on Hardware in the main window and choose menu entry Define Then a window named H Miscellaneous Hardware configuration like that right from this text will open Open in the left box Supported hardware devices the
36. nts It supports a set of 2 coefficients for 25 C and 37 C respective If only one temperature coefficient 15 needed it 1s necessary to set both the coefficient for 25 C and for 37 to the same value Displaying the temperature coefficient set To show the current temperature coefficient set press the function key while in conductivity mode The temperature coefficients are shown with their respective temperatures alternating every 3 seconds The upper line shows the name of the temperature coefficient set the middle line shows the temperature and the lower line shows the temperature coefficient associated with the temperature above If a single temperature coefficient is used the values in the lower line are the same The HDM97 Pocket enables the user easy to choose between vendor specific temperature coefficients as well as a free adjustable value called USER TC Use the and WW navigation key to select between the machine manufacturers By pressing the navigation key the setting will be applied Pressing the navigation key discards the setting and the meter returns back to measuring mode Adjustment of customer specific temperature coefficient USER TC Pressing the navigation key while adjusting the temperature coefficient to USER TC the HDM97 Pocket enters a second dialog to adjust the value itself instead of directly going back to measuring mode wp _ USER TC enters the dialog to adjust the user temperature coefficien
37. o use to the list on the right r setup Delete IBPView 42 Assigning graphs to hardware channels Fa IBPView 2 0 E File Options Page Hardware gt p cr NEM 63 63 zog setup Start Stop Pause Zoom Interp Folow Marker special Previous a A Y Print Export Plotter 500 100 mS cm 10 02 00 10 04 00 10 06 00 od Conductivity Iv Temperature J Pressure I Iv pH In the main window the list of channels is located left The assignment of a particular graph to a specific hardware channel is done by performing a double click on the channel s name in the list This double click leads to a dialog x 54 Cannel configuration picture in the ame en properties Select hardware channel middle You can change Name Basic conductivity units Decades Ranges and much more Color Channel 1 nit 4 Wr Channel 2 By clicking on the button Assign you row can assign each graph a hardware channel 20 Channel 4 like shown in the picture right Decade m Milli Automatic For conductivity please use the base unit S cm and select for example m milli as Decade to show the values in mS cm Differential values Offset 0 iscellaneous Inertia Factor f Hardware Calculation Cancel 43 IBPView List of channels Depending on the version the HDM
38. of days after opening the bottle e Discard solution after the expiration date Adjusting the HDM97 Pocket Use these functions only if you are fully aware of their consequences Wrong adjustment values will lead to false measurement values and in consequence these false values may lead to hazards for patients The entire procedure is guided by using software it is not necessary to open the instrument invoke the adjustment menu first select the channel you want to adjust Then press and hold down the keys CJ und t at the same time for at least 5 seconds If you want to cancel the operation press navigation key LESC Temperature Temperature adjustment is done using 2 sampling points The order of the adjustment points is preassigned and the value range of each point 15 restricted by boundaries a 580000 see Normally an adjustment is not necessary because the sensor has no drift The temperature sensor must be dipped into a liquid with known temperature This known temperature must be adjusted using the navigation keys and WWF It is mandatory to wait until the measuring value becomes stable After the measuring value finally becomes stable the adjustment point can be applied using the navigation key L OK The instrument jumps immediately to the next adjustment point so the procedure can be repeated After the last adjustment point has been applied the instrument displays ADJ OK in the upper line of its dis
39. ontract that but for this provision might arise by implication or operation of law is hereby excluded and disclaimed The implied warranties of merchantability and of fitness for any particular purpose are expressly limited to the terms mentioned above Some states do not allow limitations on the duration of an implied warranty so the above limitation may not apply to you Under no circumstances shall IBP Medical GmbH be liable to the original purchaser or to any other person for any special or consequential damages whether arising out of breach of warranty breach of contract or otherwise Some states do not allow the exclusion or limitation of special or consequential damages so the above exclusion or limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For further warranty information contact IBP Medical GmbH Battery and Electronic Recycling The meter is equipped with a rechargeable battery The symbol on the meter indicates that this product may not be treated as household waste X Instead it shall be handed over an applicable collection point for the recycling of electronic equipment By ensuring this product correctly you will help to prevent potential negative impact Li for the environment and human health You can send the meter also free of charge back to IBP General 6 Product Details Appliance Part HDM97 sm HDM97
40. or the calibration of medical devices such as hemodialysis machines Please read this entire manual carefully before the first use of the instrument Application Depending on the version the HDM97 Pocket may be equipped with up to 5 acquisition channels Channel Conductivity HDM97BL HDM97BM HDM97BN HDM97BO HDM97BP HDM97BQ Temperature Timer Pressure pH Flow The instrument was designed to be used as a dialysis machine maintenance instrument but can also be used as laboratory measuring instrument as well as instrument for environmental purposes This instrument displays measuring values numeric Graphical displays are available through a PC or Notebook using the optional Software BPView Using the USB communication interface it is possible to obtain measuring values regardless of the instrument display s content These values can be displayed in any way or stored for further processing Medical Device License EC Declaration of Conformity EC DECLARATION OF CONFORMITY according to the Council Directive 93 42 EEC concerning medical devices Europe Manufacturer Product Classification Notified Body Identification Number Hannover 18 04 09 USA FDA Registration No KO20908 CANADA Health Canada Registration No 34773 IBP Medical GmbH Ikarusallee 15 30179 declare under our sole responsibility that the following products Dialysis Reference M
41. play If the adjustment is not correct the instrument displays ADJ ERR in the display along with a long warning beep In this case the adjustment values will be discarded and the procedure has to be started from the beginning A failed adjustment can also be an outcome of a defective instrument 27 Adjustment and Calibration Pressure The pressure transducer has no nonlinear drift so an adjustment is normally not necessary Use the tare function to balance the pressure transducers environmental pressure change drift The pressure channel is adjusted using 7 sampling points This improves the accuracy of the pressure measurement because it recalculates slightly nonlinearities of the pressure transducer The order of the adjustment points starts with point 1 and is preassigned The value range of each point is restricted by boundaries Apply the pressure values to the instruments pressure transducer inlet as shown in the table below Adjust the value of your reference or standard to using the navigation keys and WF It is mandatory to wait until the measuring value becomes stable After the measuring value finally becomes stable the adjustment point can be applied using the navigation key OK The instrument jumps immediately to the next adjustment point so the procedure can be repeated After the last adjustment point has been applied the instrument displays ADJ OK in the upper line of its display If the adjustment is not
42. ressure transducer The keypad layout is shown in the left picture The keys and gt have different sub functions depending on the channel displayed These sub functions are explained later in chapter Measuring Additional functions The yellow keys below the display can be used to set values and navigate through menu options or setting These functions become available when the symbols shown in the right picture appear at the bottom of the display ESC Cancels the current setting or selection and returns to measuring mode Decreases a value or selects the previous option in a menu or a setting Increases a value or selects the next option in a menu or a setting 5 4 Applies a value a selects an option in a menu a setting 11 General Switching on the instrument The instrument is switched on and off by pressing the key Display test during start up Immediately after switching on the instrument the display shows all possible segments dark for two seconds Compare the display with the picture on the right side Do not use the instrument further if you discover any missing segment because wrong values could be displayed which may lead to misreading The content of the display must be shown exactly like this picture right from this text Power saving function The HDM97 Pocket switches off automatically if the battery is empty If enabled it also switches off after specified tim
43. ry SETUP and start setup exe On then first menu select the language the installation process is self explaining Quickstart On the CD HDM97Pockef you will find templates for all versions of HDM97 Pocket These templates are prepared fort wo three and four measuring channels Do not use a template which is prepared for more measuring channels than measuring channels meter has Disconnect USB Before terminating the USB connection please terminate the IBPView software Disconnecting with running data acquisition may end in a system freeze Main Window Pa IBP iew 2 0 E Bl xj File Options Page Hardware 5 E start Stop Pause Setup R oon orc RS cT TEC SUME EE Interp Folow Marker Special Previous M Print Export Copy 11 06 00 11 06 00 11 10 00 General This manual describes only the basic functions which are necessary to get familiar with IBPView Further information can be obtained using the Software s help function IBPView is intentionally not limited to HDM instruments It can be configured independently and therefore achieves its maximum flexibility to be ready for future IBP products Hardware Interface IBPView uses serial COM ports for communication This can be common RS232 serial interfaces like many multimeters on the market use or like the HDM97Pocket virtual serial ports based on USB Using virtual COM ports it is necessary to define the number of the port o
44. ry has approx 2 3 of its capacity left The battery has approx 1 3 of its capacity left The battery is empty approx 10 is left If this symbol starts flashing the battery is totally empty and the meter will switch off shortly LIU Battery aging The battery technology of the HDM97 Pocket is based on Lithium Ion Polymer technology This technology has many advantages compared with Nickel Metal Hydride technology which are lower weight smaller size longer life no memory effect and higher efficiency However after a couple of years 5 years estimated the battery s capacity will start decreasing Battery replacement ONLY BY MANUFACTURER Do not try to replace the battery by yourself The battery is mounted directly onto the main PCB inside the HDM97 Pocket and the main PCB itself contains the battery protection circuit If the battery is not handled in the right way there is extremely danger of fire and explosion Therefore this battery can only be replaced from IBP personnel who have run through a special training in handling Lithium Ion batteries 13 Base Installation Basic settings To invoke the installation menu please follow the steps below 1 Switch on the meter using the key 2 Press during the display test 3 After this procedure the instruments starts the basic settings dialog instead of entering any measurement functions 4 In the basic settings dialog you are able to adjust a variety of
45. s setting gt ON pH enabled b OFF pH disabled to apply save this setting to discard this setting wp _ FLOW only available with version BO Then Or w gt TEMP gt Then Or a ON FLOW enabled iy OFF FLOW disabled disabled to apply save this setting to discard this setting gt sole readout of temperature enabled Mi OFF sole readout of temperature disabled to apply and save this setting to discard this setting 15 Base Installation wy _ PR H Res only available with version BM BO BP and BO Hay ON High Resolution reading enabled tb OFF High Resolution reading disabled Attention The higher resolution does not give a higher measuring accuracy Then to apply and save this setting Or to discard this setting w gt A save dialog will appear if changes been made gt YES to apply and save all settings by exiting gt NO to discard all settings by exiting Then to exit the basic settings dialog or to return to the basic settings dialog Value adjustment The adjustment of values is done via the navigation keys and By pressing and holding down one of these keys the last right digit of the value will be incremented or decremented depending on the key If this digit reaches the boundary it remains 0 and the next digit will begin to change If the key is being released and pre
46. ssed again the procedure will start again beginning with the last digit Example showing a value which has an allowable range from 0 00 to 7 50 Display 0 00 navigationkey is hold down Order of value incements every change follows with a delay of 0 3 seconds 0 01 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 carry over 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 carry over 1 00 2 00 3 00 4 00 5 00 6 00 7 00 7 50 Max value reached If the value will exceed the range limits in this case from 7 00 to 8 00 the value will be truncated to the maximum allowed value 7 50 in this particular example The Symbol will become blank and the meter does not react on the corresponding navigation key The values can only be changed down to 0 00 using the other V key Adjustment and Calibration 16 Measuring By pressing the key the user can select between all available channels of the HDM97 Pocket These channels are e Conductivity and temperature Display CD TEMP Version BN BO BP BQ e Temperature Display TEMP only Version BN BO BP BQ if enabled e Pressure Display PRES only Version BM BO BP BQ e pH Display PH only HDM97BP if enabled e Flow Display FLOW only HDM97BQ if enabled e Timer Display Time if enabled Conductivity and temperature measurement In this mode the display shows CD TEMP the upper line the temperature value in the middle line and t
47. t and the acquisition time is limited to 30 seconds IBPView is a data acquisition software which records and plots measured values from a HDM97Pocket device It works with a USB connection of the HDM97Pocket The software can also be used with several hardware devices such multimeters from Voltcraft or Metex IBPView is compatible with Microsoft Windows 2000 Microsoft Windows XP and Microsoft Windows Vista Several curves can be plotted into a single diagram Several diagrams can be arranged on one or more pages if necessary Plot options like pen width or pen color can be used to create perfectly styled diagrams You can even create your own plotter designs Comfortable zoom functions are available on a single click to analyse plot details or to return to the plots overview Setting markers makes it easy to read differential values of a plot or to determine the amplitude or period of a sampled signal A comfortable preview allows you to add comments or project data when printing diagrams Export functions can be used to use measured data with other applications like MS Excel etc The help function of IBPView includes instructions for basic operations using a small project as an example If you follow these instructions it will be a good start for you in understanding the basics IBPView 40 Installation Insert the CD IBPView into the CD Drive The installatio will start automatically In case open the directo
48. t set ESC gt cancel and discard setting Display EDIT 37 00 C Temperature associated with the coefficient 2 071 K Example 2 070 navigation key fm has been pressed once Keys increments current value lt decrements current value Applies the value and leads to the adjustment dialog for the second pair Discard adjustment and goes on using the last active temperature coefficient setting Adjustment and Calibration 20 Display EDIT TC2 25 00 C Temperature associated with the coefficient 2 001 K Example 2 000 navigation key has been pressed once Keys Lin increments current value lt decrements current value Applies the coefficient set The displays shows ADJ OK for 2 seconds Discard adjustment and goes on using the last active temperature coefficient setting Temperature measurement This mode is only available if enabled in the basic settings menu This mode exists to save power in case conductivity measurement is not needed TEMP available in versions BN BO BP and BQ if enabled in the Basic Settings selection between units C and F 5 reading min value reading max value Returns automatically back to measuring mode after 5 sec reset of both the min and max value return to measuring mode no function Pressure measurement In this mode the instrument displays the pressure in the middle line gt
49. temperature coefficient 1s then applied to the actual measured conductivity to calculate the conductivity at the common reference temperature The following table shows the usage of dynamic temperature coefficients applied to a NaCl solution of 14mS cm Temperature Conductivity NaCl 14 mS cm Temperature Conductivity without compensation coefficient Readout 14 00 mS cm 2 000 K 14 00 14 00 mS cm 15 71 mS cm 2 035 14 00 a m 17 48 mS cm 2 070 K 14 00 mS cm The values 2 00 K at 25 C and 2 07 K at 37 C are defaults for the respective dialysis machine or values entered by the user For demonstration purposes the temperature coefficient for 31 C is mentioned which is calculated by the HDM97Pocket from the values for 25 C and 37 C by linear interpolation Adjustment and Calibration 18 Temperature compensation in dialysis Listed below are the temperature coefficients used by most major hemodialysis machine manufacturers We recommend that you double check this data with documentation from your machine s manufacturer Display Maschine Manufacturer Temperature coefficient Temperature coefficient at 25 C at 37 C BAXTER Baxter Europe Machine 2 200 K 2 200 K BELLCO 2 000 2 100 K B BRAUN 2 000 2 100 FRESENI 2 000 K 2 100 GAMBRO Gambro AK Type 2 000 K 2 070 K Machines GAMBRO Gambro Phoenix 2 000 K 2 070 K HOSPAL 2 000 K 2 070 NIK ALL Nikkiso Overall Conductivity 2 050
50. this time Click Next to continue Found New Hardware Wizard This wizard helps you install software for USB lt gt HDM Interface If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended 9 Install from a list or specific location Advanced Click Next to continue Found New Hardware Wizard Please choose your search and installation options x Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed C Search removable media floppy CD ROM Include this location in the search D drivers Browse Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware Hardware Installation The software you installing for this hardware USB lt gt HDM Interface has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this instal
51. usively for pH electrodes It 15 optimized for glass electrode single rod measuring cells with a slope of AE of 59mV at 20 C Its absolute maximum allowable input voltage span extends from 3 Volts to 3 Volts with respect to BNC Shield Applying any voltage beyond these boundaries will possibly destroy the instrument Flow This connection is designed to be used with HDU FLOW 97 probe only Do not connect any other devices to this port even when the connector may fit 9 General Charging the battery The HDM97 Pocket is internally equipped with a high performance Lithium Ion Polymer battery It can be charged using the external power supply a PC or a laptop which is connected via the USB cable to the instrument The battery of the HDM97Pocket can only be charged from USB ports which are capable of delivering 500 mA of current This is appropriate to most connectors of laptops or PC s Connecting the meter to a passive e g not externally powered USB hub the battery can not be charged and the communication may not work well During the charging process the battery symbol in the display 15 animated Performing measurements while the battery is being charged The HDM97 Pocket can be used for measuring while the battery is being charged AN ATTENTION The USB connector is not part of the appliance part Flow through adapter for conductivity and temperature measurement The adapter is suitable for measuring pressure temperature
52. wing intervals for verifying calibration Parameter Calibration period Conductivity Once per year Pressure Once per year Before each use A complete function test and calibration of the device should be done once a year According to ISO 10012 1 General Quality Assurance Requirements for Measuring Equipment the error attributable to calibration should be as small as possible In most areas of measurement it should be not more than one third and preferably one tenth of the permissible error of the confirmed equipment when in use In other words the accuracy of the references to adjust or calibrate the HDM must have at least a tree times higher accuracy For liability reasons you should not carry out these tests and calibration and verification yourself If IBP performs the calibration you will receive a calibration certificate in accordance to ISO9001 which documents the calibration verification results 31 Maintenance Tolerances For calibration the instrument must meet the deviations listed below Reference Value Allowed deviation Noes 25 00 C 0 05 C 34 00 C 0 05 C 37 00 C 0 05 C 40 00 C 0 05 C 55 00 C 0 07 C 80 00 C 0 07 C 74 00 uS cm 147 uS cm 720 uS cm I Temperature I I 3 0 60 uS cm 6 00 uS cm 1410 uS cm 6 00 uS cm 2 77 mS cm 0 03 mS cm eromen 008msiom osmem NOS
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