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Biotage

ELSD-A120 User Manual

Introduction to the Detector

Detector Overview

Figure 4

ELSD-A120 overview (rear)

Vapor sensor vent

Serial RS232 port (only used for firmware update)

LAN connector (not active)

Firmware button

I/O connector (not used)

Mains switch

Mains input

Nitrogen Gas Inlet port

Exhaust port

Analog Out port

Содержание ELSD-A120

Страница 1: ...Biotage ELSD A120 User Manual...

Страница 2: ...s The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software...

Страница 3: ...21 Unpacking the Detector 22 Installing the Detector 24 4 Using the Detector 27 Detector Controls 28 Operational Parameters 31 Fill the Nebulizer With Solvent 34 Adjust the Splitter Flow Rate 35 Gene...

Страница 4: ...the Diffuser 66 Cleaning the Nebulizer 67 Cleaning the Evaporator Tube 68 Putting the Detector into Storage 69 Replacing the Detector Firmware 70 9 Parts and Materials for Maintenance 75 Identifying P...

Страница 5: ...tion to the Detector Introduction to the ELSD 6 Detector Overview 7 Basic Principles of Operation 7 Operational Parameters 9 Overview of the Detector 10 This chapter gives an introduction to ELSD A120...

Страница 6: ...material is nebulized and carried by a gas flow through an evaporation chamber The solvent is volatilized leaving a mist of solute particles that scatter light to a photosensitive device The signal is...

Страница 7: ...tream of dry particles of the analyte A diffuser located in the evaporator assists in the drying of the particles acting as an efficient heat exchanger prevents ballistic particles reaching the scatte...

Страница 8: ...length of the incident light Rayleigh scattering is predominant when r is 5 10 2 When particle dimensions are greater than 20 they no longer behave as point sources and Mie scattering becomes predomin...

Страница 9: ...to evaporate difficult solvents at ambient temperatures in order to maximize detection of semi volatile compounds ELSD A120 has patented technology that reduces the evaporation time of highly aqueous...

Страница 10: ...otage ELSD A120 User Manual 1 Introduction to the Detector Detector Overview Overview of the Detector Figure 3 ELSD A120 overview front 1 Front screen display 2 Keypad 3 Eluent inlet 4 Solvent waste o...

Страница 11: ...Overview Figure 4 ELSD A120 overview rear 1 Vapor sensor vent 2 Serial RS232 port only used for firmware update 3 LAN connector not active 4 Firmware button 5 I O connector not used 6 Mains switch 7...

Страница 12: ...12 Biotage ELSD A120 User Manual 1 Introduction to the Detector Detector Overview...

Страница 13: ...Requirements 14 Site Requirements 15 Power Considerations 15 Power Cords 16 Physical Specifications 17 Performance Specifications 18 Specifications 18 Specification Conditions 19 This chapter provide...

Страница 14: ...equirements Pre Installation Requirements For a detailed description of the environmental and operating requirements of ELSD A120 please refer to the Site Preparation Checklist supplied by Biotage Thi...

Страница 15: ...rear of the detector WARNING Hazard of electrical shock or damage of your detector Hazard of electrical shock or damage of your detector can occur if the devices are connected to a line voltage higher...

Страница 16: ...or short circuit Never operate your detector from a power outlet that has no ground connection Never use a power cord other than the Biotage power cord designed for your region WARNING Use of unsuppl...

Страница 17: ...hes Line voltage 100 240 VAC 10 Wide ranging capability Line frequency 50 or 60 Hz 5 Power consumption 150 W max Maximum Ambient operating temperature 10 35 C 50 95 F Ambient non operating temperature...

Страница 18: ...cification Light Source LED 480 nm Class 1 LED product Detector PMT with digital signal processing Nebulizer OFF 25 90 C Evaporator OFF 25 120 C Gas Flow Range 0 9 3 25 SLM controlled gas shut off Sho...

Страница 19: ...erature changes will result in larger drift Better drift performance depends on better control of the temperature fluctuations To realize the highest performance minimize the frequency and the amplitu...

Страница 20: ...20 Biotage ELSD A120 User Manual 2 Site Requirements and Specifications Performance Specifications...

Страница 21: ...or Unpacking the Detector 22 Damaged Packaging 22 Delivery Checklist 23 Installing the Detector 24 Connecting the Detector to an Isolera System 24 Checking Operation of the Detector 26 This chapter gi...

Страница 22: ...service representative that the detector may have been damaged during shipment CAUTION Defective on arrival problems If there are signs of damage please do not attempt to install the detector Inspecti...

Страница 23: ...d service office p n Description SF1 24950 RS232 communication cable IN4 20877 BLUE Gas inlet tube 5 m IN4 33857M Rear exhaust hose PVC 2 m G4261 63000 Solvent waste tube 1 9 m N A One power cord regi...

Страница 24: ...at the rear of the detector 4 Ensure that the power switch of the detector is OFF switch stands out 5 Connect the power cable to the power connector 6 Attach the 4 mm OD gas tube to a the NITROGEN GA...

Страница 25: ...12 Disconnect the tube from the TO UV port on the Isolera system and connect it to the splitter 13 Connect the tube that is supplied with the splitter to the TO UV port and the splitter 14 Place the...

Страница 26: ...the front keypad 2 If the baseline noise is within the limits i e 20 mV auto zero the detector However if the baseline noise is outside the limits refer to the Troubleshooting section for steps to re...

Страница 27: ...rature 31 Nebulizer Temperature 31 Evaporator Gas Flow 32 Detector Gain PMT 32 Response Time Smoothing 32 Light Source Intensity LED 33 Power Mode 33 Data Output Rate Hz 33 Fill the Nebulizer With Sol...

Страница 28: ...r at the bottom of the display Figure 5 ELSD A120 display screen Keypad The four arrows on the front of the detector are used to navigate within the interactive menu bar The ZERO key can be used to au...

Страница 29: ...edges the command by displaying the mode of operation in the top right hand corner of the screen Standby The STANDBY mode is the ground state of the detector which is by default initiated automaticall...

Страница 30: ...operation If an error is detected the detector gives an audible warning and a visible description of the error condition In event of any error condition the detector defaults into the STANDBY mode in...

Страница 31: ...the detector This should be set according to the volatility of the compound s being analyzed If the compound is non volatile e g sugars then the evaporator temperature should be set between 80 and 90...

Страница 32: ...tting does not change the sensitivity of the detector but merely amplifies the captured signal by the inputted factor The gain can be adjusted from 1 to 10 in increments of 0 1 When setting the PMT or...

Страница 33: ...in either RUN or STANDBY mode when the detector is switched on via the rear power button To configure the power mode select the required status mode i e STANDBY or RUN you wish the detector to start u...

Страница 34: ...A120 for the first time or when the detector has not been used for a while 1 Fill the syringe supplied with the splitter with ethyl acetate acetone or the solvent you are using 2 Inject solvent into t...

Страница 35: ...ary tube from the eluent inlet at the front of ELSD A120 and insert it into a measuring cylinder 3 Prime the Isolera system with 100 mL of the same solvent mix used in step 1 above at a flow rate of 5...

Страница 36: ...is not available then we recommend the use of a nitrogen generator providing a constant uninterrupted supply of high purity gas Air can be used with non flammable solvent systems Nitrogen generator is...

Страница 37: ...no cartridges used with aqueous mobile phase are particularly prone to this type of shedding and should be checked regularly To minimize cartridge breakdown always follow the manufacturer s instructio...

Страница 38: ...ing temperatures of ELSD A120 are set according to the type of analyte and not the mobile phase composition as with other ELS detectors For example when HPLC grade water is used as the mobile phase EL...

Страница 39: ...39 5 Optimizing Performance Do s and Don ts of ELS Detection 40 Location of the Detector 41 Mobile Phase Priming 42 Solvent Recommendations 43 This chapter gives hints on how to optimize the performa...

Страница 40: ...n ts of ELS Detection CAUTION Decreased performance High pressures on the internal chamber will lead to increased baseline noise and low sensitivity NEVER block the exhaust outlet NEVER allow the solv...

Страница 41: ...ations imposed by the length of the power cord fluid lines and signal cables Only connect the detector to the Isolera system using the ELSD A120 Assembly Kit P N 414126 supplied with the detector Prov...

Страница 42: ...than that required to prime the solvent through the Isolera system It is recommended that priming of the Isolera system be performed without ELSD A120 attached to prevent non volatile impurities conta...

Страница 43: ...the type of solvents compatible with ELSD A120 High boiling point solvents such as N methylpyrrolidone NMP Dimethylsulphoxide DMSO meta Cresol m Methylphenol and 1 2 4 Trichlorobenzene TCB are not re...

Страница 44: ...44 Biotage ELSD A120 User Manual 5 Optimizing Performance Solvent Recommendations...

Страница 45: ...aseline Offset 49 Peak Tailing 49 Detector Fails to Zero 50 No Power 50 No Response Completely Flat Baseline 50 Temperature Error As Soon As Detector Powered On 51 Display Not On but Power Connected 5...

Страница 46: ...rise from three general sources The detector itself can be dirty or operating outside specification The Isolera system Isolera One or Isolera Four can have a broken dirty or non optimally operating co...

Страница 47: ...created inside the nebulizer chamber Ensure that the end of the liquid waste tube is not immersed in liquid Ensure that the exhaust tube at the rear of the detector is not blocked or extraction is too...

Страница 48: ...o 100 5 Optical chamber is contaminated Clean contamination from the windows in the optical chamber 6 Light source power has decayed Replace the light source 7 Diffuser saturated with solvent Stop the...

Страница 49: ...mobile phase eluents Probable cause Suggested actions Probable cause Suggested actions 1 Inefficient evaporation Increase the evaporator temperature and or gas flow 2 High concentration of non volatil...

Страница 50: ...uires cleaning Probable cause Suggested actions 1 Mains lead not connected Attach the mains lead to the socket and the inlet on the rear of the detector 2 Fuse failure Replace fuse 3 Power supply fail...

Страница 51: ...ction Probable cause Suggested actions Probable cause Suggested actions 1 Temperature probe fault or disconnected Check RTD connections Please contact your Biotage service representative Probable caus...

Страница 52: ...ng and Diagnostics General Problems High Back Pressure from Detector Probable cause Suggested actions 1 Nebulizer or nebulizer inlet tube blocked Manually inject acetone into the eluent inlet port at...

Страница 53: ...Detected 56 Leak Detected 56 Fan Failed 57 Fan Stopped 57 Nebulizer Temperature Limit Exceeded 57 Evaporator Temperature Limit Exceeded 58 LED Light Source Error 58 Evaporator Gas Flow Rate Limit Exc...

Страница 54: ...interface when an electronic mechanical or hydraulic flow path failure occurs that requires attention before the analysis can be continued e g repair or exchange of consumables is necessary In the ev...

Страница 55: ...e environmental temperature is outside the specified operating limits of the detector Increase the ambient temperature where the detector is located Move the detector to a warmer location Probable cau...

Страница 56: ...tact your Biotage service representative 2 Defective vapor sensor Please contact your Biotage service representative Probable cause Suggested actions 1 External vapor being drawn into the detector Rem...

Страница 57: ...ease contact your Biotage service representative 3 Defective main board Please contact your Biotage service representative Probable cause Suggested actions 1 Obstruction of fan blades Please contact y...

Страница 58: ...service representative 2 Defective evaporator heater assembly Please contact your Biotage service representative 3 Defective main board Please contact your Biotage service representative Probable cau...

Страница 59: ...Biotage service representative 2 Defective nebulizer heater Please contact your Biotage service representative Probable cause Suggested actions 1 Evaporator heater not connected to the main board Ple...

Страница 60: ...60 Biotage ELSD A120 User Manual 7 Error Information Error Messages...

Страница 61: ...Cautions and Warnings 63 Cleaning the Detector 64 Inspection of Cables 65 Drying the Diffuser 66 Cleaning the Nebulizer 67 Cleaning the Evaporator Tube 68 Putting the Detector into Storage 69 Replacin...

Страница 62: ...to Maintenance Introduction to Maintenance Authorized Biotage service engineer only should carry out maintenance inside ELSD A120 There are no user serviceable parts inside the detector Unauthorized a...

Страница 63: ...Do not operate the detector in an explosive atmosphere WARNING Electrical shock Repair work at the detector can lead to personal injuries e g shock hazard when the cover is opened Do not remove the c...

Страница 64: ...loth lightly moistened with deionized water Ensure that no moisture enters the detector WARNING Electrical shock and burns Liquid in the detector electronics can cause shock hazard and damage the dete...

Страница 65: ...ce 8 Inspection of Cables Inspection of Cables Periodically inspect the connecting cables for signs of physical damage caused by abrasion solvent spillage impact etc Replace damaged cables particularl...

Страница 66: ...sed baseline noise and in the extreme case gas bubbling out of the nebulizer drain tube If this happens proceed as follows 1 Increase the gas flow to 2 8 SLM and increase the evaporator to maximum tem...

Страница 67: ...re is recommended 1 Disconnect the Isolera splitter from the detector 2 Put the detector into RUN mode 3 Set the evaporator and nebulizer temperatures to 50 C and the gas flow to 2 8 SLM 4 Fill the sy...

Страница 68: ...sult Biotage for further assistance 1 Disconnect the Isolera splitter from the detector 2 Put the detector into RUN mode 3 Set the evaporator temperature to 50 C the nebulizer temperature to 50 C and...

Страница 69: ...step 4 through 5 two times i e inject a total of 30 mL 7 Allow the detector to cool to ambient temperature in STANDBY mode with the gas supply still connected 8 Tip the detector forwards to try and em...

Страница 70: ...RS232 communication cable supplied with the detector 2 Open the Tera Term program and select File New Connection from the toolbar 3 Select Serial and choose the appropriate COM port followed by OK 4...

Страница 71: ...by holding down the rear Flash button whilst switching on the detector The front panel will display SERVICE MODE Reboot for normal operation When in Service mode the Tera Term displays the boot loade...

Страница 72: ...l 8 Maintenance Replacing the Detector Firmware 8 Press U to begin the update process 9 To choose the firmware file select the Send File option from the File menu in the toolbar and navigate to the fo...

Страница 73: ...way and the progress will be displayed as shown 11 On successful completion of the file transfer the software will display a Flash memory updated ok message 12 Power cycle the detector and check that...

Страница 74: ...74 Biotage ELSD A120 User Manual 8 Maintenance Replacing the Detector Firmware...

Страница 75: ...Biotage ELSD A120 User Manual 75 9 Parts and Materials for Maintenance Identifying Parts and Materials 76 This chapter provides information on parts for maintenance...

Страница 76: ...and Materials Identifying Parts and Materials Use only spare parts supplied by Biotage p n Description 414123 ELSD A120 analog signal cable PL0890 0305 Gas inlet tube 2 m PL0890 0310 Rear exhaust hose...

Страница 77: ...ormation 78 Safety Symbols 78 General Safety Information 78 Safety Standards 79 Operation 79 The Waste Electrical and Electronic Equipment Directive 80 Radio Interference 81 Biotage on Internet 82 Thi...

Страница 78: ...escription The apparatus is marked with this symbol when the user should refer to the instruction manual in order to protect risk of harm to the operator and to protect the apparatus against damage In...

Страница 79: ...ended operation Make sure that only fuses with the required rated current and of the specified type normal blow time delay and so on are used for replacement Use of repaired fuses and short circuiting...

Страница 80: ...ectronic appliances starting with 13 August 2005 NOTE This product complies with the WEEE Directive 2002 96 EC marking requirements The affixed label indicates that you must not discard this electrica...

Страница 81: ...age to ensure proper functionality and compliance with safety and EMC regulations Test and Measurement If test and measurement equipment is operated with unscreened cables and or used for measurements...

Страница 82: ...82 Biotage ELSD A120 User Manual 10 Appendix Biotage on Internet Biotage on Internet For the latest information on products and services please visit our website at www biotage com...

Страница 83: ...upper limit 55 invalid evaporator temperature 59 invalid nebulizer temperature 59 leak detected 56 leak sensor failed 59 LED light source error 58 nebulizer temperature limit exceeded 57 on board vapo...

Страница 84: ...power cords 16 power mode 33 power switch 24 pre installation requirements 14 preparation sample 37 priming 42 principle of operation 7 R rear vapor sensor failed 56 replacing firmware 70 requirements...

Страница 85: ......

Страница 86: ......

Страница 87: ...era Prime Isolera Spektra Isolera Spektra Four Isolera Spektra LS Isolera Spektra One ISOLUTE ISOLUTE Myco ISOLUTE PLD ISOLUTE QuEChERS IST IST design KILOPREP KP C18 HS KP C18 WP KP C4 WP KP NH KP Si...

Страница 88: ...ive Chemistry Biotage is a worldwide supplier of instruments and accessories designed to facilitate the work of laboratory chemists With our deep knowledge of the industry academic contacts and in hou...

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