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Maintenance

Maintenance of HDM97

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

HDM97

Pocket

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 cleaning 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.

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Содержание HDM97 Pocket Series

Страница 1: ...HDM97Pocket Reference Meter Series User Manual HDM97BL HDM97BH HDM97BN HDM97BO HDM97BP HDM97BQ ...

Страница 2: ...any From USA and Canada 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 11 Revision history Rev 0 29 05 08 Rev 1 18 03 09 Update Hard und Software release 2 0 Rev 2 01 10 09 Update Fl...

Страница 3: ...is 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 familiar 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 sh...

Страница 4: ......

Страница 5: ...mperature measurement 17 Fundamentals of temperature compensation 17 Background of temperature coefficients 18 Temperature compensation 19 Selecting the temperature coefficient 20 Temperature measurement 22 Pressure measurement 22 Pressure drop measurement 23 pH measurement 24 Temperature compensation 24 Background of pH measurement 24 Flow measurement 25 Attenuation of reading 25 TIMER 26 Adjustm...

Страница 6: ...Inhaltsverzeichniss 2 Assigning graphs to hardware channels 45 List of channels 46 ...

Страница 7: ...HDM97BQ Conductivity 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 IBPView Using the U...

Страница 8: ...e 15 30179 Hannover Product HDM97BL HDM97BH HDM97BN HDM97BO HDM97BP HDM97BQ Relevant EC Directives Compliance with Place and Date Legally binding signature 2004 108 EG EMV Richtlinie 2006 95 EG Niederspannungs Richtlinie EN60601 1 2006 EN61000 4 2 1996 EN62353 2008 VDE 0750 1 2006 VDE 0751 1 2008 Hannover 15 02 16 Dipl Ing Werner Pfingstmann Managing Director USA FDA Registration No K020908 ...

Страница 9: ...BH BO BP BQ 5 14 00 mS cm Conductivity Reference Solution BN BO BP BQ 6 Battery charger with wall plug adapters All 7 USB interface cable All 8 CD HDM97Pocket with USB drivers Software and User Manual All 9 Safety instructions and quick start guide All 10 Flow Sensor BL 11 Flow Sensor BQ 12 pH Probe with buffer solution pH6 7 and 8 BP 13 Carrying case All 14 Holder Infusion pole All 15 CD IBPView ...

Страница 10: ...tness 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 ...

Страница 11: ...e Connector 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 is isolated against the USB Connector withst...

Страница 12: ...n H behind the product name for example HDM97BQH Option C Option C is a connector for the conductivity probe Please note that the probe is calibrated with the meter and cannot be used with other meters To use the probe with other meters a new adjustment of the temperature and conductivity is needed After these adjustments the meter will accept the probe in the future Option identification is a C b...

Страница 13: ...luids 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 exclusively...

Страница 14: ... measurement The adapter is suitable for measuring pressure temperature and conductivity in flow though mode With immersion usage of the probe it is 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 co...

Страница 15: ...ctions 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 Cancels the current setting or selection and returns to me...

Страница 16: ...or the specified time period In pressure mode The value remains 0 for the specified time period In conductivity mode The conductivity is 0 µs cm for the specified time period In pH 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 A computer is connected to the meter The TIMER stopwatch is running regardles...

Страница 17: ...e battery technology of the HDM97Pocket 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 t...

Страница 18: ...s the user calibration dataset with the device initial calibration dataset LANGUAGE All Adjusts the display language PHT BO BP BQ Target time adjustment for pressure holt test PHT TIMER All enables disables the stopwatch function Flow BL BQ enables disables the Flow channel pH BP enables disables the pH channel TEMP BN BO BP BQ enables disables the sole readout of the temperature channel PR HR Res...

Страница 19: ...ch function disabled Then to apply and save this setting or to discard this setting PHT pressure hold test increases the value lowers the value Then to apply and save this setting or to discard this setting PH ON pH enabled OFF pH disabled Then to apply save this setting or to discard this setting FLOW only available with version BQ ON FLOW enabled OFF FLOW disabled disabled Then to apply save thi...

Страница 20: ...remented 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 pressed 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...

Страница 21: ...ring mode after 5 sec 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 elect...

Страница 22: ...mporary temperature coefficient for the measured temperature using a set of two coefficients for 25 C and 37 C respective This temporary temperature coefficient is 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...

Страница 23: ...0 K 2 050 K NIK BIC Nikkiso Bicarbonate Conductivity 2 200 K 2 200 K STANDARD Other Dialysis Machines 2 000 K 2 070 K USER TC Adjustable 0 5 000 K 0 5 000 K nLF ISO Non Linear Function for tap purified and waste water According Standard ISO7888 DIN EN27888 Reference temperature 25 C RO DWA Reverse Osmosis DWA DWA GmbH Co KG Ubstadter Straße 28 76698 Ubstadt Weiher 0 00 K RO HERCO Reverse Osmosis H...

Страница 24: ...machine manual If you have machines from one manufacturer only in your use the temperature coefficient that the dialysis machine is using 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 For your water...

Страница 25: ...ciated with the coefficient 2 071 K Example 2 070 navigation key has been pressed once Keys increments current value 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 Display EDIT TC2 25 00 C Temperature associated with the coefficient 2 001 K Example 2 000 navigatio...

Страница 26: ...easuring 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 PRES only available in versions BH BM BO BP and BQ selection between units mmHg mbar kPa and PSI Pressure drop measurement start count down timer return to measuring mode reading min value reading max value Retu...

Страница 27: ...hows 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 key Display PRESS 60 60 means 60 seconds countdown 406 2 start value example Keys Stores the current value internally and starts a 60 second countdown The bottom line displays the difference between the cur...

Страница 28: ...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 ...

Страница 29: ...iddle 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 until the upper display line shows ZERO this will tak...

Страница 30: ...opwatch By pressing the key e g the stopwatch is 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 MM SS DS 00 00 0 tenth seconds seconds minutes After 59 minutes and 59 9 seconds the display form changes so that hours minutes ...

Страница 31: ... 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 ar...

Страница 32: ... select the channel you want to adjust Then press and hold down the keys und at the same time for at least 5 seconds If you want to cancel the operation press navigation key Temperature Temperature adjustment is done using 2 sampling points The order of the adjustment points is preassigned and the value range of each point is restricted by boundaries Point Display Temperature Boundaries 1 TP1 25 0...

Страница 33: ... the navigation key 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 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 ...

Страница 34: ...r pH value Preset the buffer solutions value using the and 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...

Страница 35: ...nd clean cloth For measurements in the lower conductivity range the cleaning 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 dei...

Страница 36: ...neral 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...

Страница 37: ...03 mS cm Pressure General BH BM and all versions with option H 1900 00 mmHg 2 mmHg 1 mmHg 1500 00 mmHg 2 mmHg 1 mmHg 1000 0 mmHg 2 mmHg 1 mmHg 300 0 mmHg 1 mmHg 0 5 mmHg 200 0 mmHg 1 mmHg 0 5 mmHg 100 0 mmHg 1 mmHg 0 5 mmHg 0 0 mmHg 1 mmHg 0 5 mmHg Open inlet 100 0 mmHg 2 mmHg 0 5 mmHg 400 0 mmHg 2 mmHg 1 mmHg 600 00 mmHg 2 mmHg 1 mmHg pH 355 2 mV pH 1 0 02 ΔE 59 2mV ΔpH 177 6 mV pH 4 0 02 ΔE 59 2...

Страница 38: ...roblems 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 Solutio...

Страница 39: ... Accuracy 0 1 C Pressure all versions Units mmHg kPa mbar PSI Versions BO BP and BQ Range 700 1900 mmHg 2 5 Bar Resolution 0 1 mmHg Accuracy 0 300 mmHg 1 mmHg Otherwise 2 mmHg Fluid resistance yes Version BM and all other versions with option H Range 700 1900 mmHg 2 5 Bar Resolution 0 01 mmHg Accuracy 299 9 300 mmHg 0 5 mmHg Otherwise 1 mmHg Fluid resistance no HDM97BH5 Range 5 to 5 psi 0 34 to 0 ...

Страница 40: ...5170 mmHg Resolution 0 1 mmHg Accuracy 0 05 full scale Media Compatibility Gasses pH only BP Version Range pH 0 14 max slew rate 70mV 118 ΔpH Resolution pH 0 01 Accuracy pH 0 02 DC input impedance min 10 Tera Ohm min 10 1012 Ohm Input leakage current typ 2 fA max 2 pA Temperature compensation with temperature measurement or preset values to choose from Flow Sensor 100 2000 only version BL and BQ R...

Страница 41: ...d External power supply Input voltage 100 240 V AC 50 60Hz Output voltage current 5 V DC 500 mA min Plug Mini USB A Plug Degree of protection Meter IPX1 Conductivity probe IP66 max 0 5 m immersion depth max 5 min Size and weight Size 165 x 82 x 33 mm Weight 400 gr without battery charger including conductivity temperature probe Operating conditions Ambient operating temperature 10 C 50 F 37 C 100 ...

Страница 42: ...stallation 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 HDM97Pocket uses the preset values below for serial COM port emulation Property Value Baud rate 9600 bps Data bits 8 Parity None Stop Bit 1 Handshake none ...

Страница 43: ...ght here from the text 4 Choose No not this time and afterward click on the button Next 5 Driver source selection dialog Choose Install from a list or specific location Advanced and click on the Next button afterwards 6 Choose Search fort he 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 the fold...

Страница 44: ...tion 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 Device Manager and search for a Group called Ports COM and LPT You should find an entry called USB HDM Interface At the end of ...

Страница 45: ...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 hdm HDM97BP sends 0 1234567 123 12...

Страница 46: ...s 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 diff...

Страница 47: ...he 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 bas...

Страница 48: ...will open Open in the left box Supported hardware devices the group IBP click on the entry IBP Universal and then drag and drop it to the right box Existing hardware devices 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 dis...

Страница 49: ...click on the channel s name in the list This double click leads to a dialog Cannel configuration picture in the middle You can change Name Basic units Decades Ranges and much more By clicking on the button Assign you can assign each graph a hardware channel like shown in the picture right For conductivity please use the base unit S cm and select for example m milli as Decade to show the values in ...

Страница 50: ...HDM97 BQ 1 Conductivity 0 000 30 00 mS cm 2 Temperature 0 00 100 00 C 3 Pressure 750 0 1900 mmHg 4 pH 0 14 00 without If not disabled 4 Flow 0 5000 ml min If not disabled If the wrong number of channels is 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 ...

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