HUMASED 20 UsER MANUAl - Frank`s Hospital Workshop
Contents
1. HUMASED 40 Human Diagnostics Worldwide 13 29 Human HumaSed 20 User Manual Specifications 16042 Packaging 400 Tubes box Material Glass 13 X 75 mm with safety cap Trisodium Citrate 1 4 Concentration 0 129 mol l Stability Stable up to the expiry date indicated on the label when stored as recommended Storage 4 25 C Product use Measurement of Erythrocyte Sedimentation Rate in whole blood Sample volume 1 6 ml Robustness When centrifuged will withstand an RCF Relative Centrifugal Force of 3000 g along a longitudinal axis Product Use Precautions 1 All glass materials are breakable exercise caution while handling 2 Handle all biological samples and blood collection devices lancets needles luer adapters and blood collection sets in accordance with the manufacturer s instructions Transfer of a sample from a syringe to a tube is not recommended Additional manipulation of sharp needles increases the potential for needlestick injury Also depressing of the syringe plunger during transfer can create pressure possibly forcefully displacing the stopper and sample and causing potential blood exposure Using a syringe for blood transfer may also cause over or underfilling of tubes which may result in an incorrect blood to additive ratio 4 Use HUMASED vacuum tubes before the expiration date indicated on the box and tube labels Since HUMASED blood collection tubes contain a chemical a2. instrument use of fuses with improper ratings may pose electrical and fire hazards To avoid fire or shock hazard observe all ratings and markings on the instrument Do not power the instrument in potentially explosive environment or at risk of fire Prior to cleaning and or maintaining the instrument switch off the instrument and remove the power cord For cleaning use only materials specified in this manual otherwise parts may become damaged It is recommended always to wear protective apparel and eye protection while using this instrument Respective warning symbols if appearing in this manual should be carefully considered 1 4 Disposal Management Concept The currently valid local regulations governing disposal must be observed It is in the responsibility of the user to arrange proper disposal of the individual components All parts which may comprise potentially infectious materials have to be disinfected by suitable validated procedures autoclaving chemical treatment prior to disposal Applicable local regulations for disposal have to be carefully observed 8 29 The Instruments and electronic accessories without batteries power packs etc must be disposed of according to the regulations for the disposal of electronic components Batteries power packs and similar power source have to be dismounted from electric electronic parts and disposed off in accordance with applicable local regulations 1 5 Instrument D
3. considered as a part of the instrument it has to be at the operator s hand as well as at the maintenance operator s availability For accurate installation use and maintenance please read the following instructions carefully In order to avoid instrument or personal damages carefully read the GENERAL SAFETY WARNINGS describing the suitable operating procedures In case of breakdowns or any troubles with the instrument apply to the local Technical Service 1 1 User Warranty HUMAN warrants that instruments sold by one of its authorised representatives shall be free of any defect in material or workmanship provided that this warranty shall apply only to defects which become apparent within one year from the date of delivery of the new instrument to the purchaser The HUMAN representative shall replace or repair any defective item at no charge except for transportation expenses to the point of repair This warranty excludes the HUMAN representative from liability to replace any item considered as expendable in the course of normal usage e g lamps valves syringes glassware fuses diskettes tubing etc The HUMAN representative shall be relieved of any liability under this warranty if the product is not used in accordance with the manufacturer s instructions altered in any way not specified by HUMAN not regularly maintained used with equipment not approved by HUMAN or used for purposes for which it was not designed HUMAN sh
4. recommended in order to detect any abnormality that could affect the instrument If any problem is observed notify the supplier before accepting the unit If it is necessary to prepare the instrument for transportation let it operate without any test cycle running for at least two minutes After this time the reading plate will automatically be switched to a safety position so that the equipment can be turned off and transported safely 2 4 Installation Place the instrument in its final location Make sure the mains cable is properly connected to the power socket 2 Start the instrument with the power switch 3 located on the left rear The device will be checked for about 1 minute and the main screen will be displayed Human LE Diagnostics Worldwide 11 29 Human HumaSed 20 User Manual 3 DESCRIPTION 3 1 Instrument Description The HumaSed 20 has been designed to operate without needing an adapter with non vacuum tubes containing a sodium citrate solution as anticoagulant The HumaSed 20 is a closed system Only HumaSed Tubes Cat No 16041 16042 can be applied The capacity of the working shelf is 5 sample positions The test cycle time for every sample is 12 minutes for 1H and 2H values In both cases results are expressed in Westergren millimetres System throughput is 25 samples per hour The basis of the system allows for random access of samples so that the analytical cycle starts once a sample tube is inserted
5. 5 on the HyperTerminal program and printing from this program Human LE Diagnostics Worldwide 21 29 Human HumaSed 20 User Manual 5 ERROR MESSAGES 51 Errors 1 L E Level Error It indicates that the blood level is not correct Fill to the correct level and repeat the test If this error message is displayed for a position with no sample tube call technical service 2 S E Sample Error It indicates that a sample has been removed before completing the test Repeat the test If this error message is displayed for a position with no sample tube call technical service 5 2 Analytical Errors Low results a Possible blood clot in the sample Repeat the test with a new sample b When more than 2 hours have elapsed from the sample collection until the test c Insufficient sample amount altering the blood anticoagulant ratio affecting the test result High results a Sample not shaken correctly b If the Instrument has been installed on a surface that is not perfectly level A 3 inclination can increase the ESR by 30 c Excessive sample amount altering the blood anticoagulant ratio affecting the test result 22 29 6 ON LINE COMMUNICATIONS PROTOCOL 6 1 General The data is automatically sent atthe end ofthe analysis 6 2 Features Are the same in the case of THERMIC PRINTER or in the case of COMPUTER One way connection with a remote system DATA OUTPUT VIA RS232 9CTS FEMALE CO
6. HUMASED 20 USER MANUAL Random Access Autoanalyzer for the Determination of the Erythrocyte Sedimentation Rate ESR M asst Cat No 16020 1 REVISION LIST OF THE MANUAL No DATE Rev REVISION DESCRIPTION 1 030618 2 03 2004 04 Reformat 3 04 2005 08 Description of VACUUM Tubes 4 05 2006 01 Addition of Chapter 2 1 3 5 06 2008 01 Reformat Chapter 3 2 1 Storage and Sample Volume 4 29 CONTENTS 1 INTRODUCTION 7 1 1 User Warranty 7 1 2 Intended Use ofthe Instrument 7 1 3 General Safety Warnings 8 1 4 Disposal Management Concept 8 1 5 Instrument Disinfection 9 1 6 Notice 9 2 INSTALLATION 10 2 1 Safety Requirements 10 2 2 Instrument Requirements 10 2 3 Transport 11 2 4 Installation 11 3 DESCRIPTION 12 3 1 Instrument Description 12 3 2 Tubes 12 3 3 Control Panel 16 3 4 Rear Connector Panel 17 4 OPERATION 17 4 1 Switching On the Unit 17 4 2 General 18 4 3 Status Displays 19 4 4 How Work 20 Human Diagnostics Worldwide 5 29 Human HumaSed 20 User Manual 5 ERROR MESSAGES 22 5 1 Errors 22 5 2 Analytical Errors 22 6 ON LINE COMMUNICATIONS PROTOCOL 23 6 1 General 23 6 2 Features 23 6 3 Data Package Contents 23 6 4 Thermal Printer 24 7 SERVICE 25 7 1 General 25 7 2 Fuses Change 25 7 3 Electronic Parts 26 7 4 Mechanical Parts 28 7 5 Test and Adjust the Instrument 30 7 6 How the Instrument Works 31 6 29 1 INTRODUCTION This manual is
7. NNECTOR Note For a correct functioning of the linkage and the Equipment it is very important that only these 2 pins are connected to the shortest coupling wire INSTRUMENT PINS TX PIN 3 transmission GND PIN 5 ground PROPERTIES BAUD RATE 9600 DATA BITS 8 PARITY NONE STOP BIT 1 WITHOUT FLUX CONTROL 6 3 Data Package Contents The data transmitted are characters with some control codes HEADER switch on instrument 12h 3Eh 00h 1Bh 77h 01h Five lines of text followed by ODh And at the end 1Bh 40h 1Bh 4Ah 9Fh AT THE END OF ANALYSIS The instrument sends a package This package contains 3 parts one part with control codes at the beginning one part with control codes at the end and a part with one record for every sample sent by the instrument Human Ca a Diagnostics Worldwide 23 29 Human HumaSed 20 User Manual The initial control code are 12h 3Eh 00h 1Bh 77h 01h Then the full record of every selected sample is transmitted Every sample record is composed of 18 BYTES followed by ODh It is a text record and its format is as follows __POS_P__111___222 followed by ODh Where _ Equals a blank space 20h POS are 3 characters It s a text POS P is the position in the work shelf 1 to 5 111 is the sample result of the first hour 1 to 159 In the case of error 111 will be E S or E L 222 is the sa
8. So there is no need for loading all 5 working positions to start an analytic cycle When the test time for a sample is completed the corresponding values will be displayed and sent to a peripheral unit computer system or printer via on line connection The instrument allows the user to connect a printer to the serial connector 3 2 Tubes The HumaSed 20 is a closed system Only HumaSed NON VACUUM or HumaSed VACUUM Tubes can be applied 12 29 3 2 1 NON VACUUM TUBES 16041 Packaging 600 Tubes box CITR HumaSed tubes non Vacuum 115 x 13 mm Material Stopper SEBS Tube Polypropylene specific for medical use Content Anti coagulant Na3 Citrate 3 8 w v 0 5 ml Preservative lt 0 1 Stability Stable up to the stated expiry date on the label when stored as recommended Storage 0 45 C Product use Measurement of erythrocyte sedimentation rate in whole blood Sample volume 1 5 ml 3 2 2 Vacuum Tubes Intended Use HumaSed VACUUM TUBES ESR 16042 are designed for the collection of venous blood specimens for the automated measurement of ESR with HUMASED 20 or HumaSed 40 analyzers TUBE Principle HumaSed vacuum tubes are designed for the collection and testing of blood in a closed evacuated system The tube contains trisodium citrate in a concentration of 0 129 mol l for an additive to blood ratio of 1 4 The vacuum inside allows for the sampling of 1 6 ml blood System Components HumaSed VACUUM TUBES HUMASED 20
9. UBE TO CONTACT THE STOPPER OR END OF THE NEEDLE DURING THE PROCEDURE j Note Always observe common precautions to minimise hazards Note If no blood flows into the tube or if blood ceases to flow before the required volume of specimen is collected 1 6 ml the following steps are suggested to complete satisfactory collection a Push tube downward until tube stopper has been penetrated If necessary hold the tube in place to ensure a complete vacuum draw b Confirm correct positioning of the needle cannula in the vein Human L Diagnostics Worldwide 15 29 Human HumaSed 20 User Manual If multiple sample needles are used remove the tube and replace it with a new one To ensure proper performance the HumaSed VACUUM TUBES must be inverted and returned to an upright position 8 10 times before being inserted into the HumaSed 20 40 3 3 Control Panel Located under the working shelf a 24x2 display 3 3 1 Display The HUMASED 20 is equipped with a backlight LCD of 24 x 2 digits The status and the final results of every position are displayed 3 3 2 Working Shelf m m DAD _ 2 5 Sample slots located underneath the display 16 29 3 4 Rear Connector Panel The following devices are located in the rear 1 Power inlet 1 2 Fuse holder 2 3 Power switch 3 4 SUB D9 connector female for on line printer connection 4 4 OPERATION 41 Swit
10. a random access autoanalyzer for the in vitro diagnostic determination of the Erythrocyte Sedimentation Rate ESR able to process up to 5 samples simultaneously by means of an IR LED optical system 20 requires minimal handling of the sample as the test is directly performed in the test tube admitting both open and vacuum tubes HumaSed 20 allows the test to be run in 1 HOUR 2 HOURS MODE default setting Human Diagnostics Worldwide 9 29 Human HumaSed 20 User Manual or 1 HOUR 2 HOURS MODE with temperature conversion In both cases results are expressed in Westergren millimetres within only 12 minutes HumaSed 20 is capable of processing 25 samples per hour with uninterrupted sample loading as test positions are left free Humased 20 features structured software to facilitate its understanding and use with a clear and precise display The instrument requires very little user s intervention and handling is simple and user friendly 2 INSTALLATION 2 1 Safety Requirements Note Under no circumstances should the user modify the safety features of the instrument deliberately Any modification of the instrument will cancel the warranty or the technical service agreement if available Should the cable or the power supply begin to look damaged or broken replace them immediately This instrument is an electromechanic device Do not handle the internal parts For any technical issue contact your dis
11. all be relieved of any obligation under this warranty unless a completed installation warranty registration form is received by HUMAN within 15 days of installation of this product This warranty does not apply to damages incurred in shipment of goods Any damage so incurred shall be re ported to the freight carrier for settlement or claim 1 2 Intended Use of the Instrument The instrument has to be used for the expected purposes and in perfect technical conditions by qualified personnel in working conditions and maintenance operations as described in this manual according to the Human Diagnostics Worldwide 7 29 Human HumaSed 20 User Manual GENERAL SAFETY WARNINGS This manual contains instructions for professional qualified operators 1 3 General Safety Warnings Use only chemical reagents and accessories specified and supplied by HUMAN and or mentioned in this manual Place the product so that it has proper ventilation The instrument should be installed on a stationary flat working surface free from vibrations Do not operate in area with excessive dust Work at room temperature and humidity according to the specifications listed in this manual Do not operate this instrument with covers and panels removed Only use the power cord specified for this product with the grounding conductor of the power cord connected to earth ground Use only the fuse type and rating specified by the manufacturer for this
12. as to put some pressure to the carriage to hold it and it s bearing adjust approach motor by 2 screws PASS OF LIGHT IN MECHANIC SENSOR Guide carriage and bearing always have to be clean Human LE h Diagnostics Worldwide 29 29 Human HumaSed 20 User Manual 7 5 Test and Adjust the Instrument SENSORS TEST With the instrument switched off no tubes present place a jumper JP1 main board Then switch the instrument on and wait to the end of test At the end of test the display shows the conditions of every position in the first line Now insert one tube to any position For that position a black square will appear first line If that tube is removed the black square has to be disappear Otherwise a problem has occurred Note The tube must be filled with blood or some other non transparent medium TEMPERATURE SENSOR Following the procedure of Test JP1 the temperature can be monitored in the 2 last digits of the second line of the display To control that temperature the instrument has to be closed and switched on for at least 1 hour If any adjustment is necessary open the instrument adjust the trimmer close the instrument and wait some minutes to check it MECHANIC TEST When the instrument is in LOAD put the jumper JP1 The reader starts moving and will send the quantity of steps of every movement ONLINE at the end of every movement to printer and LCD in hexadecimal format In firs
13. ching On the Unit Switch the unit on using the power switch see 2 3 For about 1 min the display will flash TEST in both rows while the electronic and mechanical components are checked The instrument does not hold backup memory When the instrument is turned off the results of the last analysis will be lost The instrument is now ready to start an analysis cycle If the instrument detects a tube during this phase in one of the sample positions the EXTRACT message will be displayed Then the user has to remove that tube first Human LE h Diagnostics Worldwide 17 29 Human HumaSed 20 User Manual 4 2 General Fill the tubes exactly up to the level mark on the tube The required volume is approx 2 ml The tolerance of the equipment with regard to the level is 5 mm 20 mm Otherwise the instrument will display an LE level error message Shake the sample by slowly inverting the tube for approximately 5 minutes before inserting it into the instrument The test starts when the tube is inserted in the instrument Do not remove the tube from its position until the test is completed Otherwise the test will be aborted and the S E error message will appear on the results printout 12 minutes after starting the test the end of the test is reported displaying the 1H results in the first line and the 2H results in the second line in the corresponding position of the display These results stay on the di
14. dditive it is important to avoid possible backflow from the tube To protect against backflow observe the following precautions 1 Place patient s arm a downward position 2 Hold tube with the stopper uppermost 3 Release the tourniquet as soon as blood starts to flow into tube 4 Make sure tube contents do not touch the stopper or end of the needle during venipuncture 6 DO NOT REMOVE THE TUBE STOPPER UNDER ANY CIRCUMSTANCES Ww u 14 29 Specimen Collection 1 WEAR GLOVES DURING VENIPUNCTURE GLOVES MINIMISE HAZARD EXPOSURE 2 Mount the needle in the holder Be sure needle is firmly seated to ensure it does not loosen during use 3 Gently tap tubes containing additives to dislodge any material that may be adhering to the stopper 4 Place the tube into holder Do not puncture stopper of tube yet 5 Select site for venipuncture 6 Apply tourniquet Prepare the venipuncture site with an appropriate antiseptic DO NOT TOUCH THE VENIPUNCTURE AREA AFTER DISINFECTION 7 Place patient s arm at a downward angle 8 Remove the needle shield Perform venipuncture WITH ARM AT A DOWNWARD ANGLE WITH THE TUBE IN A VERTICAL POSITION 9 Push the tube onto needle puncturing stopper diaphragm Center the tube in holder when penetrating the stopper to prevent sidewall penetration which could result in premature vacuum loss 10 REMOVE THE TOURNIQUET AS SOON AS BLOOD APPEARS IN TUBE DO NOT ALLOW THE CONTENTS OF T
15. ge To replace the fuses proceed as follows a Disconnect the instrument from the power supply and pull out the connector cable b Remove the fuse holder from its housing by opening the interior red part of the fuse holder with a suitable object screwdriver c Remove the fuse d Substitute for 5x20 1 A fuse e Put the fuse holder back to its original place 53 HumaSed 20 01 02 01 Human LE Diagnostics Worldwide 25 29 Human HumaSed 20 User Manual 7 3 Electronic Parts Schematics HUMASED 20 SERIAL SOCKET ILR BOARD LCD DISPLAY The instrument consists ofthe reader and the external power supply The performance data of the power supply are Main voltage input 100V 240V and output 5V CC Frequency 47 63 Hz Current 0 5A Energy consumption 10 VA The power supply its connected to the instrument through a socket followed by a fuse and a switch The main board is located behind the switch The socket the fuse holder the switch and the serial socket can be found in the rear ofthe instrument The main board is placed in the back cover The main board controls all functions of the instrument The motor e The LCD display The I R Board reader and mechanic sensors The serial port The temperature sensor is also located on the main board 26 29 The I R board holds the 5 I R readers couple which control the 5 reading positions It also contai
16. isinfection Analytical instruments for in vitro diagnostic involve the handling of human samples and controls which should be considered at least potentially infectious Therefore every part and accessory of the respective instrument which may have come into contact with such samples must equally be considered as potentially infectious Before doing any servicing on the instrument it is very important to thoroughly disinfect all possibly contaminated parts Before the instrument is removed from the laboratory for disposal or servicing it must be decontaminated disinfected Decontamination disinfection should be performed by a authorised well trained personnel observing all necessary safety precautions Instruments to be returned have to be accompanied by a disinfection certificate completed by the responsible laboratory manager If a disinfection certificate is not supplied the returning laboratory will be responsible for charges resulting from non acceptance of the instrument by the servicing centre or from authority s interventions 1 6 Notice Every effort has been made to avoid errors in text and diagrams however HUMAN GmbH assumes no responsibility for any errors which may appear in this publication It is the policy of HUMAN GmbH to improve products as new techniques and components become available HJMAN GmbH therefore has to reserve the right to change specifications if necessary in the course of such improvements HumaSed 20 is
17. mple result of the second hour 1 to 159 The last control codes are 1Bh 40h 1Bh 4Ah 9Fh 45 HUMASED 20 01 02 01 6 4 Thermal Printer Connect the Thermal Printer to the power supply Connect de serial cable of the Thermal Printer to the online connector of HumaSed 20 Switch on the printer And now the printer is ready to work Note Remember to switch off the printer when you finish work Note The Thermal Printer works with thermal paper only If the user loads another kind of paper possible DAMAGES are not covered by guaranty 24 29 7 SERVICE 7 1 The instrument has been designed to last several years with only minimum of maintenance although some factors could influence the duration of this period e The instrument has to be operated in a clean ambience and low dust environment Dust could be adhere to the reader and movable parts of the machine Cover the instrument when not in use e Clean the instrument with a humid cloth when needed e Avoid spilling of liquids or reagents over the equipment e Avoid breaking of tubes The stability of the mains in the laboratory affects the life time of the electrical components of the equipment Keep the instrument away from other devices generating electromagnetic disturbances such as centrifuges autoclaves equipment not marked CE and generally equipment using electronic power devices such as motors pumps electrovalves and compressors 7 2 Fuses Chan
18. not removed within two minutes the instrument will continue to LOAD status send the header online If a new tube is detected in LOAD an UP DOWN movement will be carried out and analysis will be started First the reader controls if the filling levels If the level is incorrect the system will printout Level Error After 12 minutes results will be printed out With no other tube in work the reader will stop If a tube is removed during working time the instrument will display Sample Error The instrument detects new tubes only when it arrives at the low position The results remain in the LCD until another tube is loaded in that position A dot is displayed when no tube could be detected in one position If the instrument does not detect any tube in any position it shows the LOAD message If the filling level of a tube is out of range of the reader s movement the instrument might not detect a tube in this position Human LE Diagnostics Worldwide 31 29 Human HumaSed 20 User Manual HUMAN Gesellschaft f r Biochemica und Diagnostica mbH Max Planck Ring 21 65205 Wiesbaden Germany Tel 49 6122 9988 0 Fax 49 6122 9988 100 eMail human human de www human de 06 2008 01
19. ns the 2 I R readers couple controlling the mechanics movements They detect the high and the low position when light passes the counter wheel aperture MECHANICAL GUIDE 1 R BOARD MOTOR MAIN BOARD Human E eee Diagnostics Worldwide 27 29 Human HumaSed 20 User Manual 74 Mechanical Parts MECHANIC POSITION LOW 1 R BOARD CARRIAGE TUBE SUPPORT MECHANIC GUDE SCREW TO HOLD MECHANIC BEARINGS SCREW TO HOLD LCD MECHANIC MECHANIC POSITION HIGH TUBE CARRIAGE SUPPORT HIGH 1 R BOARD MOTOR 28 29 The mechanical parts consist of the mechanical guide and the tube supports one each for the upper and the lower end of the tubes The mechanical guide supports the motor the gear the carriage the bearings and the R board The mechanical guide is fixed with 2 screws one in the bottom and one at the top To dismount the mechanical guide dismount the LCD display first Then take off the screws The 1 board is fixed to the carriage by one screw It is important to be fixed correctly to avoid movement of the tubes To dismount the R board dismount the mechanical guide Good alignment through the specific hole in the mechanical guide between the emitters and the receptors of mechanical sensor couple is necessary to have a clear pass of light The movement of the carriage is done by the motor transmitted through the gear at the carriage and it s bearing The motor h
20. splay until another tube is inserted into that position 18 29 43 Status Displays On the main screen the following message is displayed The status of the working shelf is displayed The dot indicates that this position is empty no tube detected a black square RUN the second line indicates that this position is in use the height ofthe black square decrementing by minute to show the remaining time for the respective analysis a number means a result 1H in first line 2H in second line and indicates that the test has finished in this position E indicates an error message see Section 4 error messages Example IH 2H A 23 E L RUN RUM In this case position 1 has ended position 2 presents an error positions 3 and 4 are in use 3 almost ending and 4 just at the beginning of the analysis time and 5 is empty This display is updated approx every minute and whenever the user returns from the menu That is approximately every minute newly detected and finally analysed tubes appear on the display Human LE Diagnostics Worldwide 19 29 Human HumaSed 20 User Manual 44 How Work Switch on the unit see section 3 1 and wait until the end of test cycle When dot appears in a certain position load this position with a new tube first shake the tube as described in section 3 2 The LOAD message appears when the instruments does not detec
21. t position the steps of the LOW UP movement and in second position the steps of UP LOW movement are displayed After some movements check if the variation between movements is OK A variation greater than 10 steps is abnormal Take off JP1 to stop the movements During this test analysis can be run If the reproducibility of that test is bad the results might be erroneous Check the conditions of the bearings The step motor could be dusty or not adjusted If after some minutes of moving up or down the instrument does not detect the mechanical sensor will be displayed in the first line of the screen and the moving direction will be changed This means that the instrument has some mechanical problem e TEMPERATURE CONVERSION The standard setting of the instrument will not give results with temperature conversion If temperature conversion is needed place a jumper in JP3 Then the results are converted depending on the temperature Manley table This will be indicated by prior to the LOAD and TEST display 30 29 7 6 How the Instrument Works When the instrument is switched on the LCD display will be set up Then the reader moves up and down to test the mechanic sensors After arriving at the down position the JP1 set is checked to go a IR TEST followed by a check for the presence of any tube in the instrument If a tube is detected the EXTRACT message will be displayed Take off the tube If the tube is
22. t samples in any position a 1H RUM When this sample is recognised by the instrument with the black square in the first line and RUN the second line the sample starts the analysis cycle JH KUON KOM ROM ll With every reading cycle the black square gets smaller to indicate the remaining analysis 8 of itl 23 120 Bun ROHN 211 20 29 At the end of analysis the instruments displays two numbers These numbers mean a result 67 1H in first line 128 2H in second line At the same time the instrument sends the results to a printer or computer via the serial port Mc 7 1T Wahl EMF IY FLATS rp _ 111 17 7 Hl AH The sample can now be removed When a dot appears this position can be reloaded with a new tube Note It is very important to wait until a dot is displayed for a certain position indicating that the instrument recognised this position empty and another sample will be accepted Note Do not forget to mix the samples properly The analysis results stay in their display position until a new sample is loaded or the instrument is switched off Data can be transmitted to the computer system of the laboratory So it is necessary to know the communication protocol Section 5 of this Manual Data can also be transmitted to any computer with a free serial port only adjusting the port parameters section
23. tributor s technical service whose staff is trained and qualified to carry out any repairs WARNING The instrument must be disconnected from the power supply before starting any technical corrective work Operators should not attempt to repair faults or breakdowns In case of accidental spillage of analysed samples clean the spill immediately with an appropriate disinfecting solution to avoid possible contamination of the laboratory personnel and equipment Note The Instrument may be cleaned with a water and soap solution or with 70 alcohol Do not use a higher alcohol concentration to prevent damage of the cover 2 2 Instrument Requirements The HumaSed 20 must be placed on a perfectly flat and level surface not exposed to any vibrations It is important to leave enough room about 15 cm for proper air circulation in the rear of the instrument 10 29 Weight 1 kg Width 14 cm Height 16 cm Depth 16 cm Main voltage input 100V 240V AC and output 5V CC Frequency 47 63 Hz Frequency line variation 2 Hz Current 0 5A Energy consumption 10 VA The HumaSed 20 is designed to operate under certain environmental conditions Room temperature 15 32 C Max relative humidity 80 at 32 C 2 3 Transport The packing of the HumaSed 20 Weight 1 kg Dimensions 29x29x25 cm contains instrument power supply with cable user s manual Prior to the installation of the equipment a visual packing inspection is
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