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1. 3082 Mobility Classifier display screen select the SMPS tab gt Properties icon gt FLOW tab gt set the Sheath flow to 15 L min Select the SCAN tab to set the sample rate and size range m fi es el 7 i Scan Setvedisie Harcwiare Ge 1 DMA Flow Rate Sheath Limin 15 0 Aerosol Limi 1 00 Pyare Limi y o0 Lowennm 9 65 Upp rinm 67 3 2 If you are using an X ray neutralizer such as a TSI Model 3088 check that the source is turned on 3 Verify that the CPC display is reading approximately 0 Particles cm 4 Select Play on the SMPS display screen to begin a scan Part Number 2671002 Liquitrak Liquid Nanoparticle Sizer LNS Quick Start Guide Sample Introduction Calibration The sample is introduced to the Dilution Module using a peristaltic pump To perform quantitative analyses the dilution ratio and inspection volume must be Detailed instructions for operating the pump are included in the pump user known These values are calibrated at the factory but should be verified manual Set the diluent flow rate using the flowmeter on the front of the periodically To perform a flow calibration Nanoparticle Nebulizer the operating range is 50 250 ml min Typical 1 Calibrate the rotameter by measuring the dispensed volume from the waste operating conditions are 100 l min for the sample flow and 100 ml min for the diluent flow See Nanoparticle Nebulizer User Manual for detailed line from the
2. 9 85 68 nm 2 Perform a scan of the FMT 1004 Volume standard Flick the outside of the tubing to remove residual water droplets 3 4 Enter the volume concentration nm 3 cm 3 sample rate and total UPW flow Verify the Volume weighted GSD lt 1 22 into the worksheet provided on the LNS USB drive Enter the nominal detector flowrate on the worksheet Enter the calculated inspection volume given on the Nanoparticle Nebulizer Calibration screen See Nanoparticle Nebulizer User Manual for detailed instructions The range should be 0 2 1 0 ul min If the volume is outside this range contact FMT for assistance Technologies Inc Part Number 2671002
3. Model 7788 using a graduated cylinder and stopwatch Use the measured flowrate in calculating concentration and inspection volume instructions 2 Calibrate the peristaltic pump 1 Rinse the outside of the peristaltic pump tubing using UPW and the included bottle _ N Press the RESET button to reverse the pump to begin injecting the sample into the Dilution Module o Insert tubing in vial Wait for at least 10 minutes for the mixed sample concentration to reach the steady state At the end of the measurement remove the tubing from the sample place into a waste container and reverse the pump feed by selecting the RESET button H O O Fluid Measurement Version 1 0 4 a Weigh a plastic 60 mL bottle not provided and record the weight to 1 100 gram 0 0001 g b Press RUN STOP to turn on the pump Start a stopwatch at the same time Run the pump for approximately 10 mins Press RUN STOP to stop the pump Stop the stopwatch at the same time Record the duration of pump operation c Weigh the 60 mL bottle and then calculate the flow rate f _ weight mg time min d To permanently enter a flow rate correction into the peristaltic pump press the CAL MAX button The Display flashes Using the Settings A V arrows adjust the display to match the calculated flowrate Press the CAL MAX button again to enter the new calibration value Calibrate Inspected Volume 1 In the AIM software set the measurement range to
4. detailed information Materials and Site Requirements Check that you have the following tools equipment and site requirements before you begin Refer to the relevant user manuals for instructions about the fluidic fittings Unrestricted air flow around the system components An electrical power supply with 5 outlets 115VAC to 230VAC A 4 in outside diameter Teflon PFA tube flared and fitted with a Flaretek nut used to deliver high purity water at 20 70 psig 50 250 ml min A 14 inch outside diameter plastic tube fitted with Swagelok nut used to drain waste water from the nebulizer A vacuum source which can connect to a OD port fitting at 1 SLPM lt 350 mmHg Model 7780 7788 3080 308X 3772 only An adjustable wrench A clean tube cutter Drain for receiving waste water Stopwatch and 100 ml graduated cylinder Scale with 0 1 mg resolution Note No tubing is supplied to connect the LNS to air or water supplies Fluid Measurement Version 1 0 Installation 1 Connect the UPW inlet on the Model 7780 Dilution Module to the UPW supply 2 Install the peristaltic pump tubing on the Model 7780 Dilution Module as shown in the following figures Place the open end of the tubing into a waste container 3 Connect the outlet of the Model 7780 dilution module to the Model 7788 Online Sample Inlet using the included union fitting P N Connect the gas supply to the rear of the Model 7788 Connect th
5. Liquitrak Model 7780 7788 3080 308X 37XX Liquid Nanoparticle Sizer LNS Quick Start Guide System Overview The LiquiTrak Model 7780 7788 3080 308X 37XX Liquid Nanoparticle Sizer system measures the size distribution of particles suspended in water hydrosol The measurement of the particle size is done ex situ with the particles dispersed in a gas aerosol The hydrosol is sprayed into a fine mist nebulization and the mist is then dried to form an aerosol aerosolization composed of particles that were present in the hydrosol as well as particles formed by previously dissolved Non volatile Residue NVR The influence of the NVR on the true particle size and the overall distribution is mitigated by both limiting the size of the droplets larger droplets contain more residue and therefore cause a thicker particle coating or larger residue based aerosol particles and optionally reducing the amount of NVR present in the nebulized sample The amount of NVR present is limited by using online dilution which reduces the concentration of dispersants in the sample without concern for coagulation due to the short residence time between dilution and nebulization and also reduces contamination from lab ware and the atmosphere Sample C 7780 ii UPW Inlet piti hae Mey CPC back panel PANT Nanoparticle classifier P Module Nebulizer L J 5 DA Particle Size Spectrometer The LNS consists of three main components Model 7780 online dilution The figur
6. e above shows the piping configuration for an LNS operated in the module Model 7788 NanoParticle Nebulizer Model 3080 308X 37XX particle online mode where the sample flow passes from the Dilution Module to the size spectrometer consisting of a mobility classifier and Condensation Particle Nanoparticle Nebulizer and then through the classifier and on to the CPC Counter CPC The Model 7780 Dilution Module mixes the sample colloid with high purity water to form a hydrosol for analysis thus limiting the addition of non volatile residue which can come from a manual dilution process Online dilution also reduces the concentration of dispersants in the sample without concern for coagulation This Quick Start Guide is intended to be used for quick reference only Liquitrak Liquid Nanoparticle Sizer LNS Quick Start Guide Warnings The LNS contains components that can expose you to high voltage if the instrument covers are removed Do not operate the equipment without the covers in place The Particle Size Spectrometer contains components which may expose you to high voltage and radiation Refer to the Particle Size Spectrometer user manual for detailed information The aerosol particles created by the Model 7788 Nanoparticle Nebulizer may pose a health risk if inhaled If not connected to other instrumentation vent the aerosol output to a fume hood The rollers on the peristaltic pump can pinch fingers Refer to the pump user manual for
7. e drain line to the rear of the Model 7788 and place in an appropriate waste container Using the provided conductive tubing connect the aerosol output from the Model 7788 to the inlet of the Model 3080 308X Mobility Classifier Use the shortest practical length of tubing to minimize particle losses through diffusion Note Refer to the Particle Size Spectrometer user manual for detailed installation and configuration instructions Technologies Inc Part Number 2671002 Liquitrak Liquid Nanoparticle Sizer LNS Quick Start Guide Operation Setup 1 Turn the Sample Selector Valve to ONLINE and check that the DIRECT Injection Inlet plug is in place 2 Turn on the power for all pieces of equipment 3 Turn on the gas supply 4 Turn on the UPW supply Water drains from the open tube end Adjust the tube tensioner to 2 clicks past the point where water ceases to drain from the tube 5 To ensure that the pump is operating check that air bubbles are present in the Nanoparticle Nebulizer waste line 6 Inspect the system for leaks 7 Press the RESET button on the Dilution Module pump until the dash marks on the display move toward the open tube end indicating the direction the pump is flowing 8 Press the RUN STOP button Use A F to adjust the flow to 100 ul min 9 Adjust the flowmeter valve on the Nanoparticle Nebulizer to read 100 ml min at the center of the ball 10 Select F1 on the Nanoparticle Nebu
8. lizer display screen On the resulting Device Status screen adjust the UPW pressure knob to read 18 psi Note Iterative adjustments may be required to avoid changing the flow 11 On the back panel of the Nanoparticle Nebulizer adjust the gas pressure to reach 35 psi Version 1 0 Particle Size Spectrometer Setup Refer to the Quick start guide provided with the Particle Size Spectrometer for instructions on the device assembly and configuration Note the following e The aerosol flow rate drawn from the Nanoparticle Nebulizer must be at least 1 L min Lower flow rates may cause condensation in the lines If using the TSI Model 3772 CPC the nominal flow rate is satisfactory When using the TSI Models 3775 3776 3787 or 3788 the CPC flow rate must be set to high flow mode 1 5 L min The sheath flow on the Mobility Classifier determines the dynamic range of the device as well as the resolution Higher sheath flows provide finer resolution the resolution is proportional to the ratio of the sheath to sample flow rates with an upper limit of about 10 for the 3081 DMA and 20 for the 3085 DMA Higher sheath flows also limit the upper measurement range of the system Typical operating conditions use sheath sample ratios of 10 e g 15 L min for a CPC flow rate of 1 5 L min e The size measurement range for the 3081 Long DMA is 10 1000 nm and for the 3085 nano DMA is 2 150 nm Operating the Particle Size Spectrometer 1 On the TSI Model

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