Model 11 Plus Syringe Pump Manual
Contents
1. 9 Blirzadeuiucc E M 9 Advanced Features e tiere estne eate er o inte 10 Volume Mode lO Power Failure EU Display Intensity AL Changing Rates D M 11 Infuse Withdraw Switch esonoonnornnronnveenvesnvernnrnnnnesnvesnvesnnesnnsnens 11 Maintenance 5 eere RYE HII Gene 11 Protecting Small Fragile Syringes ees 12 Remote Communication 2 ecore e eee retenue eno s anna se anon aono 12 APPENdICES Lenes A Specifications eese sd B Table of Popular Syringe Diameters eren 14 C Table of Minimum and Maximum Flow Rates 15 D Serial Communications Commands Queries and Responses uertice otro Ie peo qer e ERE Orar NSi 16 17 E Serial Port Connections Dual RS 232 ss 18 Ib erum 18 Pump 11 Plus Syringe Pump Harvard Apparatus General Information Serial Number All inquires concerning our product should refer to the serial number of the unit Serial numbers are located on the rear of the chassis Calibration All syringe pumps are designed and manufactured to meet their performance spec ifications at all rated voltages and frequencies A calibration certificate is available upon request Contact customer service for details and pricing Warranty Harvard Apparatus warranties this instrument for2. Pump 11 Plus Syringe Pump Harvard Apparatus Operation Getting Started Getting started 1 Turn Pump ON Turn on power using the switch on rear of the pump the display will light and indicate POWER FAIL this is normal as the pump indicates on the dis play if power was disrupted since last use AAAS Function Keys and Run Indicator Refer to the colored keypad at the front of the pump to identify the following functions starting from the right RUN STOP This turns the pump motor on and off ENTER This key enters the data that is on the display into the memory of the pump Also used to query the flow rate DIAM Used to enter or query the syringe diameter SET This key is used to select which digit of the display is to be changed to move the decimal point and to move between modes Each time the set key is pressed the underline cursor below the digit or character on the display moves one step to the right It is used in conjunction with the ascending and descend ing keys When it the display shows the desired the correct value the set key will advance right to the next digit AV The ascending and descending keys are used to change the numbers on the display A Up key makes numbers increase V Down Key makes numbers decrease When the underline cursor is placed below the decimal point the AV keys shift the decimal one place up or down Run Indicator When the pump
3. 8A Globtek Inc Model GT 4201D 12 Output 12 Vdc 1 66 A Input 100 240 Vac 50 60 Hz 0 6A Use Proper Line Cord Use only the line cord shipped with the product and make sure line cord is certified for country of use Ground the Product This product is grounded through the return path of the DC power supply To avoid electric shock use only approved power supply and line cord with the product Make Proper Connections Make sure all connections are made properly and securely Observe all Terminal Ratings Review the operating manual to learn the ratings on all connections E Pump 11 Plus Syringe Pump Harvard Apparatus General Safety Summary Avoid Exposed Circuitry Do not touch any electronic circuitry inside of the product Do Not Operate with Suspected Failures If damage is suspected on or to the product do not operate the product Contact qual ified service personnel to perform inspection Observe all Warning Labels on Product Read all labels on product to ensure proper usage CAUTION Functional Ground Refer to Manual Terminal Enviromental Conditions Indoor use only Temperature 4 C to 40 C 40 F to 104 F Humidity 20 to 80 RH Well Ventilated Room Altitude up to 2000 m Mains Voltage Fluctuation not to Exceed 10 of Nominal Transient Overvoltage Category II Pump is Rated Pollution Degree 2 in Accordance with IEC 664 E Pump 11 Plus Syringe Pump Harvard Apparatus Int
4. V key to scroll the SET INTENSITY choices 1 2 3 4 4 is highest intensity 1 is the lowest intensity Press the ENTER key to select the desired display intensity Exit the CONFIG mode by pressing the ENTER key again and save the INTENSITY setting in memory Changing Rates If the pump is running at an existing rate it will continue to do so until a new rate is entered Except for volume mode the flow rate can be changed while the pump is running s soon as the ENTER key is pressed the pump will change to the new flow rate To change rates from the keypad while in vol ume mode the pump must be stopped first Infuse Withdraw Switch Operation standard with RS232 option For customer convenience a two position rocker switch is included in the Pump 11 Plus Advanced for changing from infuse to withdraw on the fly When the pump is infusing and the switch is toggled the pump will now be in the withdraw mode Switch the toggle again it puts it back into infuse mode The physical position of the switch does not matter The pump always powers up in infuse mode Maintenance Keep the pump clean and dry Avoid liquid spills that may find their way into the electronics A small container of grease is provided for periodic lubrication of the lead screw and guide rods It is important to keep these guide rods clean and lubri cated To clean the exterior surfaces use a lint free cloth to remove loose dust Use care to avoid
5. if the POWER ON mode was set to run This mode will function for both infuse and withdraw Power Failure In the event of a momentary or prolonged power failure the Pump 11 Plus can be set to either a Resume pumping when power is returned with POWER FAIL on the display b Not start pumping when power is returned with POWER FAIL on the display To set the power fail mode at the RATE VOL CONFIG display move the underline cursor using the or V key to CONFIG Press the SET key to enter the CONFIG mode options Use the A or V key to scroll the CON FIG options until you reach the SET POWER ON display Press the SET key again moving the underline cursor to the right Use the A or V key to scroll the POWER ON choices stop or run Press the ENTER key to select either mode Exit the CONFIG mode by pressing the ENTER key again and save the POWER ON setting in memory J Pump 11 Plus Syringe Pump Harvard Apparatus Operation Advanced Features 3 Display Intensity For varying light conditions four levels of intensity can be set on the vacuum fluorescent display To set the desired display intensity at the RATE VOL CONFIG display move the underline cursor using the A or V key to CONFIG Press the SET key to enter the CONFIG mode options Use the N or V key to scroll the CON FIG options until you reach the SET INTENSITY Press the SET key again moving the underline cursor to the right Use the A or
6. is running the highly visible green LED above the RUN STOP key will illuminate Pump 11 Plus Syringe Pump Harvard Apparatus Operation Getting Started 3 Enter Syringe Size Enter the inside diameter ID of the syringe you wish to use Units are in mil limeters mm Ifyou do not know your syringe diameter refer to appendix B for nominal inside diameters of most popular syringes For the greatest accuracy or if your syringe is not listed in appendix B measure the inside diameter with a vernier caliper or other precision measuring tool Record this value for future use Press SET followed by the DIAM key The previously used diameter will appear on the display The underline cursor will appear under the left most digit or dec imal point The A and V keys are used to scroll to the desired number and the SET key moves the underline cursor one place to the right Once the desired diameter is displayed press the ENTER key to place this value into memory Enter Flow Rate Range Choose your flow rate units either microliters or milliliters per minute or per hour From the initial RATE VOL CONFIG menu using the A or V key move the underline cursor under the CONFIG mode menu prompt Press the SET key to enter the CONFIG mode Press the SET key again to move the underline cur sor to the flow rate choices Choose your flow rate units while in the SET UNITS mode by pressing the A or V keys to scroll the four flow rate choices
7. scratching the display window For more efficient cleaning use a soft cloth dampened with water or an aqueous solution of 75 isopropyl alco hol If the pump does not work properly contact Harvard Apparatus for appropri ate instructions Pump 11 Plus Syringe Pump Harvard Apparatus Operation Advanced Features Protecting Small Fragile Syringes The Pump 11 Plus will hold microliter size syringes down to 10pl size These small syringes have fine wire plungers that may be damaged if allowed to bot tom out The pump is equipped with limit switches to help in avoiding this problem See page 7 for instructions on use Remote Communication The Pump 11 Plus with RS232 option is equipped at the factory for remote serial communications The baud rate and address are set in the CONFIG mode options a Pump Address To set the pump address at the RATE VOL CONFIG display move the underline cursor using the A or V key to CONFIG Press the SET key to enter the CONFIG mode options Use the A or V key to scroll the CONFIG options until you reach the SET ADDRESS Press the SET key again moving the underline cursor to the right Use the A or V key to scroll the two digit number fields Use the A or V key and the SET key to display a unique pump address from 00 to 99 Press the ENTER key to select the desired pump address Exit the CONFIG mode by pressing the ENTER key again and save the ADDRESS setting in memory b Baud Rate To s
8. 029 0 0073 0 0103 0 0145 0 0290 0 0549 0 0729 0 0973 0 1672 0 0223 0 0502 0 0985 0 2434 0 4730 1 191 2 371 4 765 11 82 23 75 47 50 118 4 167 6 237 1 474 5 898 6 1 192 1 576 2 738 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0002 0 0002 0 0003 0 0005 0 0010 0 0013 0 0017 0 0028 0 0003 0 0008 0 0016 0 0040 0 0078 0 0198 0 0395 0 0794 0 1970 0 3959 0 7918 1 974 2 794 3 952 7 909 14 97 19 88 26 56 45 64 Pump 11 Plus Syringe Pump Harvard Apparatus Appendix D Serial Communication Commands Queries and Responses After each transmission to the pump terminating with a CR character ASCII 13 the pump enters remote mode and responds with the three character sequence CR LF prompt The prompt character indicates the status of the pump as follows prompt meaning ASCII code When stopped ASCII 58 decimal gt When running forward ASCII 62 decimal m When stalled ASCII 42 decimal Pump 11 does not include stall detection Serial commands and their meanings Commands KEY Return to keyboard control Exit remote mode RUN Start infuse forward direction STP Stop motor CIV Clears volume accumulator to zero CLT Clears target volume to zero dispense disabled REV Start Reverse Direction Commands with numbers MMD number Setsyr
9. Ib 8 psi with 50 60 cc syringe with 1 ml syringe 100 p sii 0 9 step angle motor 1 pulse in 27 6 sec 200 steps sec 0 8 um pusher advance per motor step 0 7 um min 15 mm min 1 to 16 384 Typically lt 150 uA Typically 0 05 ohms 12 VDC 1 5Amps 2 5mm ID x 5 5mm OD male plug 100 250 VAC 50 60 Hz 18 Watts Universal Power Supply Use Only a Harvard Apparatus Approved Power Supply and Line Cord 11 4 x 229 x 11 4 cm 4 1 2 x 9 x 4 1 2 in 2 2 kg 4 8 Ib E Pump 11 Plus Syringe Pump Harvard Apparatus Appendix B Syringe Inside Diameter Terumo Size Diameter 3cc 8 95 mm 5 13 00 10 15 80 20 20 15 30 23 10 60 29 10 Sherwood Monoject Plastic Size Diameter 1cc 4 65 mm 3 8 94 6 12 70 12 15 90 20 20 40 35 23 80 60 26 60 140 38 40 Popper amp Sons Inc Perfektum Glass Size Diameter 0 25 cc3 45 mm 0 5 3 45 1 4 50 2 8 92 3 8 99 5 11 70 10 14 70 20 19 58 30 22 70 50 29 00 100 35 70 Stainless Steel Size Diameter 8cc 9 525 mm 20cc 19 130 50 cc 28 600 100cc 34 900 Becton Dickinson Plastic Plasticpak Size Diameter 1cc 4 78 mm 3 8 66 5 12 06 10 14 50 20 19 13 30 21 70 50 60 26 70 Air Tite All Plastic Size Diameter 2 5 cc 9 60 mm 5 0 12 45 10 15 90 20 20 05 30 22 50 50 29 00 Unimetrics Series 4000 amp 5000 Size Diameter 10 ul 0 460 mm 25 0 729 50 1 031 100 1 460 250 2 300 500 3 260 1000 4 610 SGE Scientific Glass Engineering Size Dia
10. Model 11 Plus Syringe Pump User s Manual Single Syringe Pump Dual Syringe Pump Single Syringe Pump with Serial Communication Dual Syringe Pump with Serial Communication 70 2208 70 2209 70 2211 70 2212 HARVARD APPARATUS E Pump 11 Plus Syringe Pump Harvard Apparatus Table of Contents SUBJECT PAGE NO Table of Contents 3 pter ptr beth ORI EUR E ene ere toe dann 1 General Information Warranty and Repairs eee 2 General Safety Summary 2 2 cerni eher lene ebup cancssassedseseadecseecaasaazazevese 3 4 Introduction sissies M 5 6 Theory oL Operate scien lese tette eee e e x Ev ee ER ENES 5 Features Pump 11 Plus Front and Rear Views Installation ode eror Initial Setup amp Location Requirements eeeeeeeeeeeereee 7 Loading the Syringe scssccsccvescssisecccieccoscssteesssseecsesstseeesscteenssestcescsectsvetis 7 Limit Switch Calibration ssisccessccisscsecstscesaecdenssivceescsascvevavescocssesensaenees 7 Operation M peii iaE 8 Getting Started 5 eric serit titre eie coste E e 8 Tarn Pump zen Function Keys and Run Indicator Entering Syringe Sze 1 ir iieri eia erstens Entering Flow Rate Range esovveevvennvennvenevrnevnsernevvesenvensvensenneree 9 Entering Flow Rate steccis cet yi itr x ie ioi 9 Press ge
11. The display will indicate POWER FAIL this is normal as the pump indicates on the display if power was disrupted since last use Location Requirements for the Syringe Pump e A sturdy level clean and dry surface Minimum of one inch 2cm clearance around the pump e Appropriate environmental conditions A well ventilated room Loading the Syringe amp Limit Switch Calibration I Release the Syringe pusher block 4 by pressing the bronze button 3 on the side of the pusher While holding the bronze button in slide the pusher to the right Raise the spring loaded syringe retainer 1 and swing it out of the way Lay the loaded syringe in the V shaped syringe block 5 Swing the syringe retainer 1 so it holds the syringe in place Move the pusher so it makes contact with the syringe plunger Di Gp CUM cpm DUO PS Adjust pusher block Thumbscrews amp bracket 2 until the syringe plunger is completely captured 8 Tighten down thumbscrews on syringe block bracket 6 so that it captures flanges on syringe barrel 9 The Infuse limit switch can be easily adjusted by loosening the thumbscrew 7 on the pusher block and sliding the dowel pin in or out to the desired position Tighten thumbscrew into place when switch is set 10 For units with RS232 option the Withdraw limit switch is adjusted via the shaft collar 8 Slide the collar to the desired position and use the hex key provided to lock it into place
12. a period of one year from date of purchase At its option Harvard Apparatus will repair or replace the unit if it is found to be defective as to workmanship or material This warranty does not extend to damage resulting from misuse neglect or abuse normal wear and tear or accident This warranty extends only to the original customer purchaser IN NO EVENT SHALL HARVARD APPARATUS BE LIABLE FOR INCI DENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow exclu sion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR OF ANY OTHER NATURE Some states do not allow this limitation on an implied warranty so the above limitation may not apply to you If a defect arises within the one year warranty period promptly contact your local distributor or Harvard Apparatus Inc 84 October Hill Road Holliston Massachusetts 01746 1388 using our toll free number 1 800 272 2775 valid only in the U S outside U S call 508 893 8999 Goods will not be accepted for return unless an RMA returned materials authorization number has been issued by our customer service department The customer is responsible for shipping charges Please allow a reasonable period of time for completion of repairs replace ment and return If the unit is replaced the replacement unit is covered only for the remainder of the origin
13. al warranty period dating from the purchase of the original device This warranty gives you specific rights and you may also have other rights which vary from state to state Repair Facilities and Parts Harvard Apparatus stocks replacement and repair parts When ordering please describe parts as completely as possible preferably using our part numbers If prac tical enclose a sample or drawing We offer a complete reconditioning service CAUTION This pump is not registered with the FDA and is C A U T l 0 N not for clinical use on human or veterinary FOR RESEARCH USE ONLY patients It is intended for research use only NOT FOR CLINICAL USE ON PATIENTS Pump 11 Plus Syringe Pump Harvard Apparatus General Safety Summary Please read the following safety precautions to ensure proper use of your syringe pump To avoid potential hazards and product damage use this product only as instructed in this manual If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired To Prevent Hazard or Injury Use Proper Power Supply The pump is supplied with an approved power supply and line cord To maintain the safety integrity of the device use only one of the following power supplies Ault Inc Model PW118 Output 12 Vdc 1 5 A Input 100 250 Vac 50 60 Hz 5A Cui Inc Model SA06N12 V Ouptut 12 Vdc 2 0 A Input 100 240 Vac 50 60 Hz
14. d Features Volume Mode The Pump 11 Plus can be set to dispense a precise volume and then stop To activate the volume dispense mode a target volume must be set To set a target volume at the RATE VOL CONFIG display move the under line cursor using the A or V key to VOL Press the SET key to enter the VOL set mode Use the A or V key and the SET key to display a target vol ume from 00 01 to 99 99 Volume units are either ml milliliters or pl microliters Target volume units are established in the CONFIG SET UNITS mode example if your pumping units are ml min or ml hr then the volume dispense units will be ml s Press the ENTER key to select the desired target volume Exit the VOL mode by pressing the ENTER key Once you press the RUN key the pump will run until the target volume is delivered The display will show the actual volume dispensed along with the target volume Press the RUN key each time you want to repeat the volume dispense If you press the STOP key during a volume dispense you can restart the pump at the place you stopped by pressing the RUN key again To exit the volume dispense mode set the target volume to 00 00 or turn off and on the pump via the main power switch NOTE In the event of a power failure the actual dispensed volume and the target volume are not retained in memory This means that while in volume dispense mode if a power failure occurred the pump would not resume volume dispense pumping even
15. et the pump Baud Rate at the RATE VOL CONFIG display move the underline cursor using the A or V key to CONFIG Press the SET key to enter the CONFIG mode options Use the A or V key to scroll the CONFIG options until you reach the SET BAUD Press the SET key again moving the underline cursor to the right Use the A or V key to scroll the SET BAUD choices 300 11200 2400 or 9600 Press the ENTER key to select the desired baud rate Exit the CONFIG mode by pressing the ENTER key again and save the BAUD setting in memory Pump 11 Plus Syringe Pump Harvard Apparatus Appendix A Pump 11 Plus Specifications Type Syringe Size for Pump 11 with Holder For 1 Syringe 2 Syringe Flow Rate Range Minimum Maximum Flow Rate Accuracy Calibration Display Nonvolatile Memory Maximum Force Maximum Pressure Drive Motor Step Rate Minimum Maximum Pusher Advance Step Pusher Travel Rate Minimum Maximum Dynamic Range Leakage to Ground Ground Resistance Input Power Input Power Connection Power Supply Size HxWxD Weight Microprocessor single or dual syringe Plastic or glass From 0 5 ul to 50 60 ml From 0 5 pl to 10 ml 0 0014 yl hr with 0 5 ul syringe 26 55 ml min with 50 60 ml syringe 0 596 Automatic enter syringe size up to 35 mm Inside Diameter 2 line 16 character vacuum fluorescent display and green run led Stores diameter rate and configuration settings 8 kg 17
16. inge diameter units are mm Rate is set to zero after MMD command ULM number Set flow rate and range units are microliters per minute MLM number Set flow rate and range units are milliliters per minute ULH number Set flow rate and range units are microliters per hour MLH number Set flow rate and range units are milliliters per hour MIT number Set target infusion volume units are ml or pl depending on range Numbers can be between 0 and 1999 Leading zeros and trailing decimal point are optional Any number of digits to the right of the decimal point may be transmitted The number will be rounded Pump 11 Plus Syringe Pump Harvard Apparatus Appendix D Serial Communication Queries DIA TAR Returns diameter value units in mm Returns rate value set in current range units Returns current accumulated infused volume units in ml or ul depending on range Returns model and version number of firmware Returns target volume units in ml or pl depending on range value format nnnn nnn The returned value is an 8 character string with leading zeros converted to SP characters ACSII 32 decimal The fifth character is a decimal point ASCII 46 decimal Queries with string response RNG Returns range message character string either ML H ML M UL H UL M Error responses CR LF CR LF prompt Unrecognized command CR LF OOR CR LF prompt Entered value in out of range Pump 11 Plus Syringe Pump Harva
17. meter 25 ul 0 73mm 50 1 03 100 1 46 250 2 30 500 3 26 1 0 ml 4 61 mm 2 5 7 28 5 10 30 10 14 57 Hamilton Microliter Series Gastight Size Diameter 5 ul 0 103 mm 1 0 1457 2 0 206 5 0 3257 10 0 460 25 0 729 50 1 031 100 1 46 250 2 3 500 3 26 1 0 ml 4 61 mm 2 5 7 28 5 10 3 10 14 57 25 23 0 50 32 6 Pump 11 Plus Syringe Pump Harvard Apparatus Appendix C Flow Rates nominal syringe size Min 1 pl 2 ul 5 ul 10 yl 25 yl 50 ul 100 ul 250 yl 1 000 ul 1 ml 2 5 ml 3 ml 5 ml 10 ml 20 ml 30 ml 50 ml 0 10 0 15 0 21 0 33 0 46 0 73 1 03 1 46 2 30 3 26 4 61 7 28 8 66 10 30 14 57 20 05 23 10 26 70 35 00 ml min 0 0014 0 0081 0 0061 0 0149 0 0289 0 0728 0 1448 0 2909 0 7218 1 451 2 900 7 232 10 24 14 50 28 97 54 86 72 81 97 27 167 2 22 35 50 29 98 58 243 4 473 0 1 191 2 371 4 765 9 999 9 999 9 999 9 999 9 999 9 999 9 999 9 999 9 999 9 999 9 999 0 0001 0 0001 0 0002 0 0003 0 0005 0 0013 0 0025 0 0049 0 0121 0 0242 0 0484 0 1206 0 1706 0 2413 0 4828 0 9142 1 214 1 622 2 786 0 3725 0 8383 1 6430 4 057 7 883 19 85 39 52 79 41 197 0 395 7 791 8 1 974 2 794 3 952 7 909 9 999 9 999 9 999 9 999 0 0001 0 0001 0 0001 0 0001 0 0001 0 0001 0 0002 0 0003 0 0008 0 0015 0 0
18. ml min pl min ml hr ul hr Once the desired flow rate units are displayed press the ENTER key to return to the main SET CONFIG mode Press SET or ENTER again to put your desired flow rate units into memory and return to the RATE VOL CONFIG menu These units will be the same for infuse and withdraw Enter Flow Rate From the initial RATE VOL CONFIG menu press the SET key to enter the SET RATE mode Each time you change the syringe diameter the previously used flow rate is erased If the syringe diameter is unchanged the previously used flow rate will appear on the display The underline cursor will appear under the left most digit or decimal point The A and V keys are used to scroll to the desired number and the SET key moves the underline cursor one place to the right Once the desired rate is displayed press the ENTER key to place this value into memory This value will be the same for infuse and withdraw Press RUN Press the RUN STOP key to start pump and begin pumping The Run Indicator Green LED above the RUN STOP key will light when the pump is on and pumping Check Syringe Often The Pump 11 Plus will shut itself off via the limit switches It will not shut off if the switches are set incorrectly and the syringe is empty or otherwise overloaded Although this presents no hazard to the user or the pump it is prudent to check the syringe from time to time Pump 11 Plus Syringe Pump Harvard Apparatus Operation Advance
19. pecific amount of fluid in VOLUME mode Smooth Flow Enhanced micro stepping pump profiles deliver very smooth and consistent flow that is virtually pulse free Nonvolatile Memory The pump remembers its last syringe size flow rate used and configuration settings Power Fail Mode In a power failure the Pump can either RESUME or STOP pumping when power is returned CE Mark Approved The Pump 11 Plus meets all relevant European EMC and Safety requirements for laboratory equipment Pump 11 Plus Front and Rear Views 4 Syringe Retainer 1 Syringe Block Pusher Block 4 Shaft Collar 8 LED Light Plus Syringe Pump e E 3 a e Keypad 2 i Bronze Button 3 i Dual RS 232 ed Connections Option e Syringe block yringe bloc bracket 6 Pusher Block Guide Rods OD B bracket 2 Em E c La I Infuse Limit switch adjuster 7 On Off Power Input jack Infuse Withdraw Switch Switch Standard only with RS232 option E Pump 11 Plus Syringe Pump Harvard Apparatus Installation Initial Setup I Read the manual to become familiar with all features and functions of the Pump 11 Plus 2 Connect the external DC Power Supply and line cord to the pump and main supply 3 Turn on main power switch located on the rear panel The display will now illuminate indicating that the power connections are correct
20. rd Apparatus Appendix E Dual RS 232 RXD 4 GND TXD GND GND 4 TXD GND RXD IN OUT Host Chain Computer Connection to Connection Additional Pump s Daisy Chain Connector amp Cables Part No Description 70 2022 RS232 serial cable 6 ft long 9 pin d sub on one end and RJ11 on the other end 72 2478 Daisy Chain Cable 6 ft 55 7760 Daisy Chain Cable 2 ft Harvard Apparatus pumps are distributed on a non exclusive basis by Ir 19S TECH Instech Laboratories Inc Headquarters 5209 Militia Hill Road Plymouth Meeting PA 19462 TL 800 443 4227 TL 610 941 0132 FX 610 941 0134 European sales office P O Box 2 9950 AA Winsum The Netherlands TL 0031 0 594 696123 www instechlabs com Pumps syringe
21. roduction Theory of Operation The Pump 11 Plus is designed as a low cost single or dual syringe infusion pump capable of low to moderate back pressures The Pump 11 Plus is standard with an infuse limit switch and anti siphon brackets Both the single and dual syringe ver sions are available with our serial communication option package that includes dual RS232 reversing switch and a withdraw limit switch The pump can hold syringes of any make from 0 5 ul to 50 60ml for the single sringe version and from 0 5 pl to 10ml for the dual syringe version The diameter of the syringes is entered via the keypad and the internal microprocessor drives a precision stepper motor to produce accurate fluid flow Nonvolatile memory stores the last syringe diameter and flow rate along with other configuration data The Power Failure Mode can be set to either turn the pump off in the event of power failure or to resume pumping when power resumes Features Bright Display and Easy To Use Interface A two line 16 character vacuum fluorescent display along with six membrane keys make this a most attractive but powerful easy to use syringe pump Only two entries required to start pumping syringe Inside Diameter mm and pumping flow rates The Flow rate can be changed while the Pump is running Two Modes of Operation Constant Flow Rate and Volume Dispense The Pump 11 Plus will operate continuously in RATE mode or accurately dispense a s
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