3DATX parSYNC User Manual Download Page 5 | Manualshive

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Remove the second layer of foam protection.

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The final layer holds your parSYNC® with a few other accessories.

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On this layer, you may find the parSYNC® power adapter/charger, extra tubing, and/or

extra feet that can be attached to the bottom of the unit.

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Summary of Contents for parSYNC

Page 1: ...User Guide 3DATX Corp parSYNC miniPEMS Updated July 2020 ...

Page 2: ...ng 15 3 6 Gases Tab 16 3 7 PM Conc and PN 16 3 8 PM Sig 17 3 9 Temperature 18 3 10 PSN 19 3 11 RAW 19 4 Span Calibration Procedure 20 5 Test Checklist parSYNC and CUBE 22 5 1 Day before test 22 5 2 Test Day 22 5 2 1 Zero Sensors 22 5 2 2 If Calibration is needed proceed below IF NOT skip this section 22 5 3 Data Collection System Setup 23 5 4 End Test Cycle 23 5 5 Post Processing 24 6 Setup Flow C...

Page 3: ...Technical Specifications 31 7 3 1 Overview 31 7 3 2 Next Generation iPEMS 31 7 3 3 Modular Sensor Cartridge Advantage Particulates and Gases 31 7 3 4 C U B E Condensate Unit for Batch Emissions Chiller Water Trap Sample Conditioner 33 7 4 Technical Memorandum 33 7 4 1 Opacity 34 7 4 2 Scattering 35 7 4 3 Ionization 36 ...

Page 4: ...testing location Box 1 Open the big box This box contains your parSYNC device along with all of its accessories The first layer contains your field bag with warmer inside You will use this bag to transport and warm your parSYNC For shipping purposes we have packed the following inside of your bag o Power strip w power adapters and handle o Sample probe o In one of the interior side pockets you wil...

Page 5: ...r of foam protection The final layer holds your parSYNC with a few other accessories o On this layer you may find the parSYNC power adapter charger extra tubing and or extra feet that can be attached to the bottom of the unit ...

Page 6: ...he box so that you can save the box and foam inserts The first layer of this box contains the power adapter charger for your CUBE Remove the first layer of foam protectant and you will find your CUBE below Now let s get charging Be sure the parSYNC CUBE and tablet all have a full charge before starting your first test o When you power up your tablet IF a PIN or password has been set they are PIN 2...

Page 7: ... Gas Mixture NO Nitrogen Oxide 3000 ppm CO Carbon Monoxide 8 CO2 Carbon Dioxide 12 C3H8 Hydrocarbon 3100 ppm Routine measurement should be made of the parSYNC sampling flowrate with the standard lengths of hoses when the system was purchased and any significant decrease in flowrate is an indication that the sampling pump requires replacement flowrate will increase with no hose attached ...

Page 8: ... surrounding the power button is lit and that the sampling pump is running audible noise On the laptop controller click the shortcut link on the Taskbar or Desktop that points to the parSYNC application executable file The executable file in the Software is typically named parSYNC_ exe where the is a placeholder for software version number and date For example the executable could be named parSYNC...

Page 9: ... parSYNC miniPEMS These buttons are labeled Start Pause and Clear Charts 2 Message window that informs the user about a required action or current state of the software 3 Bag number control To the right are the tabs for making initial connection zeroing the parSYNC miniPEMS and visualizing the test data in real time In general these tabs are arranged left to right based on typical workflow For exa...

Page 10: ...To proceed the connection procedure requires the user to hit the Connect button on the Config tab During connection attempt the message window will display Connecting Please wait If the connection is successful the message window will show Connection successful Please Zero Or it will say Could not connect followed by a likely explanation of what caused the failure to connect and how to remedy it I...

Page 11: ...boolean button to NO and it only saves the one newly created file Note Another way to change the default config outside of the program is to simply copy paste an existing config file to the location of the default config file and rename the newly copied file as config_default ini A new test data file is created each time a new connection is established The file is named YYYYMMDD_HHMMSS_parSYNC Gas...

Page 12: ... NO2 and NO are in parts per million ppm while those for CO2 and CO are in percent The user will manually enter the span and zero concentration values for the gases when doing a span calibration The span concentration value is obtained from the calibration gas bottle while the zero concentration values are typically 0 ppm or 0 user may input a different zero level for any of the gasses if desired ...

Page 13: ...assed through a HEPA filter is sufficient for zeroing purposes Be careful not to sample dirty ambient air or tail pipe air during the zeroing process because this will lead to a bad zero calibration and all measurements until a good zero calibration is conducted will be biased low For example if the sample gas has 20 ppm NO during zeroing but the zeroing concentration is set to 0 ppm NO then all f...

Page 14: ... Zeroing After the system has been zeroed you can proceed with recording test data Remember to connect the sampling line to the tail pipe or location of exhaust flow sampling point Please note sudden significant change in values or when opacity zero value drops below 5 VDC are indicative of cartridge reaching end of service life Zero air data recording when warming up the parSYNC should be reviewe...

Page 15: ... to higher integer values Currently the control allows the user to go back to a lower integer but it s best to avoid doing that You can change the bag number at any time when the system is recording and the seconds of data that point onwards will be marked with the current bag number This helps to easily distinguish events such as a route or part of a route or a vehicle state such as idling or hig...

Page 16: ...he number and mass concentrations Do NOT change the coefficients unless you have a robust empirical process for determining them and consult with the 3DATX engineering team The weighted contribution of each sensor to the composite particulate number and mass is displayed on the lower right side of each attributed tab The contributive weights of each sensor were determined by convolution of sensor ...

Page 17: ...nto the response of the scattering ionization and opacity sensor channels It is mostly for troubleshooting issues with particulate sensor response and calibration However in some situations such as when measured engine technology or fuel is significantly different from typical and the conversion to concentration or number units are not likely to be very robust the unprocessed signal could provide ...

Page 18: ...tab Note that this is not the temperature of any specific gas flow path but rather the temperature of the inside of the PM cartridge inside of the parSYNC The temperature trends are useful in diagnosing the thermal stability of the system and use in recalibration of individual sensors that are affected by temperature variations ...

Page 19: ... not be noticed by a typical opacity sensor but would be readily seen by the parSYNC due to its three particulate measurement technologies 3 11 RAW The RAW tab shows the raw voltage from each of the gaseous and particulate sensors This is completely unprocessed signal and does not include any zeroing corrections The RAW tab is also used in the span calibration of the gaseous sensors We do not expe...

Page 20: ...al for your test gases This function is located in the middle function of the control palette as shown below also see Appendix for full description of chart design elements To zoom out to normal view use the lower right function of the control palette 4 After zooming in to the appropriate measurement area hit the Get Avg button to populate the average values from the selected area in the numeric c...

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Page 22: ...hould be made with the set temperature lowered by 2 degrees so as to keep the heating plate passive during acquisition to avoid sudden shifts in temperature 5 2 2 If Calibration is needed proceed below IF NOT skip this section o During calibration the hose lengths used should be approximately the same as those used during acquisition Connect the inlet hose to a tee barb hose fitting to ambient air...

Page 23: ...ab and Config Save to save the new calibration Close file by hitting the stop Close the software 5 3 Data Collection System Setup Install parSYNC CUBE and condensate trap in the vehicle route sample and exhaust lines Avoid significant low spots in sample line between window and the condensate trap that could collect condensation Be sure to check condensate trap during test stop for water accumulat...

Page 24: ...off heater on grey temperature panel turn off pump and sensor electronic using silver ON OFF button Plug both chargers into both heater and pump battery connections Charge batteries in parSYNC CUBE overnight 5 6 hrs or overnight Indicator lights show charging with red and full charge with green Charge tablet 5 5 Post Processing Data is written as a csv file Follow the shortcut to parSYNC Data dire...

Page 25: ... is ON the Y axis will change dynamically so that it is zoomed in tightly on the range of displayed values So if your NO2 was between 2 and 45 ppm the Y axis might become 0 50 ppm automatically If the next value is 62 ppm the Y axis might change to 0 65 ppm There are times when you want to turn OFF the autoscale for example when measuring ambient or a signal that is going to vary a bit but is over...

Page 26: ... you want to NO2 ppm Y axis to be 0 200 ppm simply place the cursor where it says 100 and change that to 200 Or if you want the X axis to display 1000 records change the 300 to 1000 Be careful not to reverse the direction if you change the 0 on the X axis to 500 it will now display from 500 to 300 newer data on the left ...

Page 27: ...an use any of these features during a test while measurement is active or when it is paused Clearing the chart only affects what is displayed in the chart the data has already been recorded to the data file 7 1 3 Legend The chart legend has numerous features that let you control the type of the plot bar line line with markers and features associated with each type including colors line style and w...

Page 28: ...ynamic zoom in The most commonly used functions are 2 3 and 4 7 1 5 Scroll Bar The scroll bar below the chart allows you to scroll through the history of the chart In the image below the chart display is set to show 20 data points That could be records 0 19 or 101 120 If you want to see previous records use the scroll bar Remember if you want to see more records just change the right side number t...

Page 29: ...PN cm3 Particle number concentration number cm3 Cb Baseline correction for the PSN equation Cs Coefficient for the scattering sensor part of the PSN equation Ci Coefficient for the ionization sensor part of the PSN equation Co Coefficient for the opacity sensor part of the PSN equation PSN Particle Synchronization Number a simplified metric useful for pass fail testing based on the level of partic...

Page 30: ...NO2 sensor without any correction volts NO Vraw Voltage output from the NO sensor without any correction volts CO2 Vraw Voltage output from the CO2 sensor without any correction volts CO Vraw Voltage output from the CO sensor without any correction volts Temperature Vraw Voltage output from the temperature sensor without any correction volts ...

Page 31: ...atform Ii Eless than 5kg including power supply and having the ability at a minimum to measure Particulates NO NO2 and CO2 with other Greenhouse Gas GHG and Criteria Pollutants as option able Our instrumentation is designed to be referenced against a traditional 1065 PEMS as well as traditional laboratory protocols It provides a single technician or operator with the ability to hand carry a device...

Page 32: ...urement Range 0 5 000 ppm NO Filter Remove effect of SO2 in gas stream Sensitivity 0 05 0 01 μA ppm Response Time 5 Seconds T90 Baseline Offset clean air 0 to 12 ppm equivalent Zero Shift 0 C to 40 C 30 ppm Operating Range 20 C to 50 C Resolution 1 2 ppm Repeatability 2 of signal Nitrogen Dioxide NO2 3 electrode electro chemical Linear Measurement Range 0 300 ppm NO2 Response Time 15 Seconds T90 R...

Page 33: ...ge PEMS device Moreover the physics and chemistry are fundamentally identical to larger instrumentation All the sensors behave in roughly the same fashion regardless of size shape orientation and composition as large platforms The only effective differences are relative accuracy required volume and responsiveness of the system Therefore from a scientific perspective the small inexpensive sensors c...

Page 34: ...ulate filters As parSYNC evolves we will continue to add functionality to draw greater inferences on the distribution of particles sizes from their combined output using reference data from the literature and laboratory dynamometer studies The parSYNC device uses three different types of sensors to determine particle mass and particle number Each sensor is sensitive to different ranges of particle...

Page 35: ...or s response to the incoming light for Rayleigh scattering I I0 π4 8 n2 1 n2 2 2 D6 r2 λ4 1 cos2 θ n index of refraction D particle diameter r distance of particle from light source λ wavelength of incident light θ scattering angle Experimental data show that for comparatively uniform particle geometry and particle mass the mass concentration versus scattering is log linear in the Rayleigh region...

Page 36: ... typically is be made over the range of particle sizes typically the models and experimental data show that particles sizes would be in a log normal distribution For ease of use virtually all ionization sensors have compensators to make their response linearly proportional to the particle size Specifically the following system of equations govern the detector response Define ΔI I1 I0 Where I0 orig...

Page 37: ... literature and in measured laboratory test Evaluating the response of the parSYNC sensors in a laboratory FTP 75 dynamometer test cycle yields measured response characteristics that closely follows the theoretical responsivity For example a specific test of a light duty diesel vehicle with DPF yields data below utilizing a TSI EEPS 3090 as a laboratory spectrometer reference was completed When ch...

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