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Page 1 TSI 3776 Ultrafine Condensation Particle Counter Limited Availability Used and in Excellent Condition Buy Today! https://www.artisantg.com/92402-1 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
Page 2 P a r t i c l e I n s t r u m e n t s Model 3776 Ultrafine Condensation Particle Counter Operation and Service Manual P/N 1980522, Revision B April 2006 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Page 4 Product Overview Unpacking and Model 3776 Setting Up the UCPC Ultrafine Condensation Instrument Particle Counter Description Instrument Operation and Service Manual Operation Technical Description Particle Counting Computer Interface and Commands Maintenance and Service Appendixes Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Page 6 M a n u a l H i s t o r y The following is a history of the Model 3776 Ultrafine Condensation Particle Counter Operation and Service Manual (Part Number 1980522). Revision Date November 2005 April 2006 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 7 If any malfunction is discovered, please contact your nearest sales office or representative, or call TSI’s Customer Service department at 1-800-874-2811 (USA) or (651) 490-2811. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 8 L a s e r S a f e t y The Model 3776 UCPC is a Class I laser-based instrument. During normal operation, you will not be exposed to laser radiation. However, you must take certain precautions or you may expose yourself to hazardous radiation in the form of intense, focused visible light.
Page 9 Follow the procedures prescribed in this manual to use the instrument safely. viii Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 10 Advisory labels and identification labels are attached to the outside of the UCPC housing and to the optics on the inside of the instrument. Labels for the Model 3776 UCPC are described below: 1. Serial Number Label (back panel) 2. Laser Radiation Label (located internally on the optics housing) 3.Electrical shock caution...
Page 11 Electronic Equipment). (Item must be recycled properly.) 5. French language electrical safety and laser compliance labels 8. ETL Label for safety certification. 9. TSI Service Label Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 12 C o n t e n t s Manual History ............... v Warranty................vi Safety ...................vii Laser Safety ................vii Chemical Safety ..............vii Description of Safety Labels ...........viii Caution ................viii Warning ................viii Caution or Warning Symbols..........ix Labels ..................ix About This Manual ..............
Page 13 Totalizer Time..............4-9 Pump ................. 4-9 Auto Fill Enable ..............4-9 Analog Out ............... 4-10 Drain ................4-10 Graph Options ..............4-11 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 14 Status ................. 4-12 Saturator Temperature............. 4-13 Condenser Temperature ........... 4-14 Optics Temperature............4-14 Pressures (kPa)..............4-14 Aerosol Flow Rate ............. 4-14 Laser Current..............4-14 Liquid Level..............4-14 Concentration ..............4-15 Analog Inputs..............4-15 Using the Flash Memory Card ..........4-15 ®...
Page 15 F i g u r e s 1-1 Model 3776 Ultrafine Condensation Particle Counter..1-2 2-1 View of Fill Bottle Bracket Mounting ........2-3 3-1 View of the Model 3776 UCPC LCD Display and Control Knob..............3-2 3-2 Back Panel of the Model 3776 UCPC........3-3 3-3 Sample Digital Pulse from Pulse Output port at the Back Panel of the UCPC ..............
Page 16 4-9 Status Screen ..............4-13 5-1 Flow Schematic of the Model 3776 UCPC......5-6 5-2 Counting Efficiency Curve of 3776 UCPC......5-10 5-3 Response Time of 3776 UCPC........... 5-10 7-1 Digi Device Discovery Screen ..........7-2 7-2 Configure Network Settings Screen ........7-3 7-3 Digi Connect ME Configuration and Management Screen ...7-3...
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Page 18 A b o u t T h i s M a n u a l P u r p o s e This is an operation and service manual for the Model 3776 Ultrafine Condensation Particle Counter (UCPC). O r g a n i z a t i o n...
Page 19 Appendix A: Specifications This appendix lists the specifications of the Model 3776 Ultrafine Condensation Particle Counter. Appendix B: Firmware Commands This appendix lists all the serial commands for communications between the UCPC and the computer. Appendix C: References This chapter lists all of the references that have been used within the text of the manual.
Page 20 G e t t i n g H e l p To obtain assistance with the Model 3776 Ultrafine Condensation Particle Counter contact Customer Service: TSI Incorporated 500 Cardigan Road Shoreview, MN 55126 USA Fax: (651) 490-3824 Telephone: 1-800-874-2811 (USA) or (651) 490-2811 E-mail Address: technical.service@tsi.com...
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Page 22 (SMPS ) spectrometers for particle size distribution measurements. The successor to the Model 3025A UCPC, the Model 3776 UCPC offers many new features and improvements: Detects particles down to 2.5 nanometers Fast response to rapid changes in aerosol concentration (T <0.8 second)
Page 23 The Model 3776 UCPC detects particles as small as 2.5 nanometers in diameter, using a unique sheath air flow design that confines the aerosol flow path near the centerline of the condenser. Particles are exposed to the region of highest supersaturation and uniformity of butanol vapor.
Page 24 The Model 3776 UCPC uses a laser-diode light source and diode photodetector to collect scattered light from particles. An internal microprocessor is used for instrument control and data processing.
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Page 26 U n p a c k i n g a n d S e t t i n g u p t h e U C P C Use the information in this chapter to unpack the Model 3776 Ultrafine Condensation Particle Counter (UCPC) and set it up.
Page 27 Service,” gives instructions for returning the UCPC to TSI Incorporated. S e t t i n g U p This section contains instructions for setting up the Model 3776 UCPC. Follow the instructions in the order given. Remove Protective Caps...
Page 28 Figure 2-1 View of Fill Bottle Bracket Mounting Find the Fill Bottle in the accessory kit. Connect the bottle tube fitting to the Butanol Fill port at the back panel of the instrument. Position the bottle with the fitting oriented for minimal stress on the tubing connector.
Page 29 Note: If the UCPC has n-butyl alcohol (butanol) in the reservoir, be very careful when moving the UCPC. See “Moving and Shipping the UCPC” section for details. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 30 Use the information in this chapter to become familiar with the location and function of controls, indicator, and connectors on the Model 3776 Ultrafine Condensation Particle Counter (UCPC). F r o n t P a n e l The main components of the front panel include the color LCD display, rotate/select control knob, aerosol inlet, particle indicator light, and flash memory card slot.
Page 31 Figure 3-1 View of the Model 3776 UCPC LCD Display and Control Knob Aerosol Inlet The Aerosol Inlet is located on the front panel. The inlet consists of a ¼” OD tube suitable for use with common tube fittings. Permanent fittings with metal locking ferrules should be avoided since this may inhibit removal of the front panel in the event service is required.
Page 32 B a c k P a n e l As shown in Figure 3-2, the back panel of the Model 3776 UCPC has power and data connections, analog input/output connections, pump exhaust port, makeup air port, butanol fill and drain ports, and cooling fan.
Page 33 Typical (nominal) pulse widths are 400 nanoseconds (see Figure 3-3) for the 3776 UCPC. To provide accurate pulse counts, use a counter that is capable of counting pulses with a width of 50 nanoseconds or less.
Page 34 Sample Digital Pulse from Pulse Output Port at the Back Panel of the UCPC Ethernet Communication Port Instrument status including particle concentration of the Model 3776 UCPC can be monitored remotely from a local area network or over the internet using the Ethernet communication port. Ethernet communications are described further in Chapter 7, “Computer...
Page 35 UCPC. It is secured to the chassis with six screws on the bottom. The six screws can be loosened to remove the cover and access to the interior of the Model 3776 UCPC. Model 3776 Ultrafine Condensation Particle Counter...
Page 36 L e f t S i d e P a n e l The left side panel refers to the side panel on the left when facing the front panel of the instrument. As shown in Figure 3-4, it includes a clear removable butanol reservoir cover plate that is used to view the liquid level in the saturator and to access the saturator wick for easy removal before instrument shipment.
Page 37 Pumps The Model 3776 UCPC uses a High Vacuum Pump for inlet sample flow (aerosol and bypass) and makeup flow. A micro-flow Water Removal Pump removes condensate from the condenser.
Page 38 Valves and Variable Orifices The Model 3776 UCPC uses valves and variable orifices for air flow control and butanol filling and draining. A three-way solenoid valve controls the inlet flow rate, switching between high and low inlet sample flow modes.
Page 39 The actual aerosol flow rate is displayed instead. Electronics Boards Five electronics boards identified in Figure 3-6, are used in the Model 3776. The boards include Main PC board, laser board, detector board, communication connector board, and flash memory board.
Page 40 Unlike its predecessor, the Model 3025A, the Model 3776 UCPC is able to capture condensed water vapor and remove it, significantly reducing butanol contamination. The water removal process increases the butanol consumption. For additional...
Page 41 Instrument Manager software or terminal program to collect data simultaneously to avoid data transfer interference. Remote Access of Instrument The Model 3776 UCPC provides an Ethernet port to connect the instrument to a network for monitoring status information. Status information includes saturator, condenser, optics temperatures, laser power, and particle concentration.
Page 42 Temperature Control The temperatures of the condenser, saturator, and optics are maintained at 10 °C, 39 °C, and 40 °C, respectively, with specified ambient temperatures in the operating range of 10 to 35°C. Temperatures are controlled through feedback circuits on the main electronics board, and are displayed in the Status menu on the front panel.
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Page 44 C o n t r o l K n o b a n d L C D D i s p l a y The 3776 UCPC measurement data is presented on a 3.5” × 4.5” quarter VGA color LCD display. Instrument functions are accessed on the display using the rotate/select control knob.
Page 45 When warm-up is complete, a green Status: Normal bar appears. Under extremes in ambient temperature, it may take considerably longer than ten minutes for the instrument to warm- Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 46 M a i n D a t a P r e s e n t a t i o n S c r e e n The Main Data Presentation Screen is shown in Figure 4-2. This screen appears automatically once the warm-up is complete or can be displayed prior to the completion of the warm-up by depressing the control knob.
Page 47 START is displayed once STOP is pressed. Press START START to initiate update of the graphical display, and to save to the Flash Memory Card. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 48 Figure 4-3 Display Showing Cursor Figure 4-4 Display After the MENU Function is Selected Display Header Two bars are present at the top of the display screen to provide information on instrument operation. The status bar background changes from red to Status Bar Color green as the instrument reaches normal operating conditions (Status: Normal).
Page 49 User Settings Display Exit (top and bottom) This option exits the User Settings menu and returns the display to the previous screen. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 50 Auto Water Removal This option provides ON/OFF control for the automatic water removal feature of the Model 3776 UCPC. This feature is used in hot/humid environments to eliminate contamination of the butanol working fluid by condensed water vapor. Water removal keeps the UCPC operating at peak performance.
Page 51 Figure 4-6. The UCPC will count time and particles once the START button is selected. Concentration is calculated from the time and count data. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 52 Figure 4-6 Totalizer Mode Data Screen Totalizer Time Use this option with the Totalizer Mode to select the time period for accumulating counts. Three options are available; 60 seconds, 60 minutes and Continuous. Sampling stops once the time is complete. Sampling can be ended manually prior to the end of a sampling period by selecting STOP.
Page 53 Auto-Fill must be turned on again by selecting this option from the User Settings menu. Whenever the 4-10 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 54 instrument is turned on, the Auto-Fill is activated. Refer to the previous caution note. Graph Options Refer to Figure 4-2 depicting the graph while reading this section. Figure 4-7 shows the options possible when Graph Options is selected from the User Settings Menu. A description of these options is provided below: Figure 4-7 Graph Options Menu...
Page 55 Status shows Multiple Errors, statuses that deviate from normal operating parameters are in red color. The Status menu can be used as a diagnostic tool. 4-12 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 56 Figure 4-8 Status MENU Option Highlighted Figure 4-9 Status Screen Information provided in the Status screen is described below. Saturator Temperature Saturator temperature is 39 °C when the instrument warm up is complete and the instrument has stabilized. The saturator provides saturated butanol vapor that mixes with aerosol particles in the condenser.
Page 57 Full is indicated if adequate butanol is present in the liquid reservoir. Liquid level is detected by a heated RTD (Resistance 4-14 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 58 Temperature Detector) level detector. If the liquid level is low, Not Full is indicated. Concentration Measured particle concentration is displayed in particles per cubic centimeter (p/cc). Analog Inputs Analog Input 1 and 2 display voltages supplied to the BNC connectors at the back panel of the instrument. These analog data inputs have a range of 0 to 10 volts.
Page 59 M o v i n g a n d S h i p p i n g t h e U C P C Make sure the Model 3776 UCPC is turned off and remains upright when moving the instrument. There is no need to drain the UCPC before moving.
Page 60 S h e a t h A i r D r y i n g A c c e s s o r y The Model 3776 provides the Auto Water Removal option to prevent contamination of the butanol working fluid. This very effective technique extends the useful sampling life of the instrument tremendously in humid environments;...
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Page 62 C H A P T E R 5 T e c h n i c a l D e s c r i p t i o n The Model 3776 UCPC is a continuous-flow condensation particle counter that detects particles as small as 2.5 nanometers (50% detection efficiency) in diameter.
Page 63 He made several improvements to his invention and his portable dust counter was used for many years (Aitken [1890–91]). Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 64 Other significant developments in adiabatic-expansion CNCs include the use of electrical photodetectors to measure the light attenuation from cloud formation (Bradbury and Meuron [1938], Nolan and Pollak [1946], Rich [1955], Pollak and Metneiks [1959]); the use of under- and overpressure systems; and automation using electrically controlled valves and flow systems.
Page 65 The Model 3025 Ultrafine Condensation Particle Counter (UCPC) was developed in 1989 and was replaced by the Model 3776 UCPC in 2005. The 3776 has a lower size detection limit and a higher aerosol flow rate compared to the 3025A. Both the 3776 UCPC and 3786 UWCPC utilize sheath-air-flow design to lower the size detection limit.
Page 66 Currently, six CPCs (Models 3772, 3775, 3776, 3782, 3785, and 3786) are also commonly used with submicron size-distribution measurement systems such as the Scanning Mobility Particle Sizer (SMPS ) Spectrometers (TSI Model 3936). D e s i g n o f t h e U C P C...
Page 67 The surface temperature of the optics housing is maintained at a higher level than the saturator to avoid condensation on the lens surfaces. The Model 3776 UCPC operates in single particle count mode up to 3 × 10 particles/cm .
Page 68 Flow System Refer to Figure 5-1 while reviewing information on instrument flow provided in this section. The UCPC relies on an on-board high-vacuum pump to maintain constant flows through a critical orifice and two variable orifices. The UCPC has two inlet flow options: high flow mode, nominally 1.5 L/min (1500 cm /min) and low flow mode, nominally 0.3 L/min (300 cm...
Page 69 TSI for volumetric flow versus differential pressure. A sensitive pressure transducer on-board the UCPC measures the differential pressure continuously during instrument operation. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 70 0.8 sec in high flow mode and less than 5 sec in low flow mode for the 3776 UCPC. Figure 5-3 shows the response time curves in both flow modes. The curves are based on averaging of three UCPCs.
Page 71 Particle Diameter, nm Figure 5-2 Counting Efficiency Curve of 3776 UCPC High Flow Low Flow Time, sec Figure 5-3 Response Time of 3776 UCPC 5-10 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 72 Model 3776 Ultrafine Condensation Particle Counter (UCPC). The Model 3776 UCPC has two modes for particle counting: Concentration mode, where data is presented as particle concentration in p/cc, updated each second on the display (the maximum time resolution is tenth of a second).
Page 73 The actual particle concentration therefore equals the number of counted particles divided by the live-time and the aerosol flow rate. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 74 To measure live-time, a high-speed clock and accumulator are used. The accumulator adds up the live time and the counter adds up pulse counts. The particle concentration is then calculated by number counted particles × accumulate live time aerosol flow rate ×...
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Page 76 C o m p u t e r I n t e r f a c e a n d C o m m a n d s This chapter provides computer interface and communications information for the Model 3776 Ultrafine Condensation Particle Counter (UCPC). Information on the Flash Memory Card is also provided.
Page 77 MAC address can be located on the back of the instrument or in this pop-up window. Fill in the appropriate information and click Save. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 78 Figure 7-2 Configure Network Settings Screen 5. Close the device discovery program and restart the UCPC. It takes about a minute for the Ethernet to initialize. 6. If the UCPC is in the same subnet as the computer, start the device discovery program Discovery.exe and click on Open web interface.
Page 79 LINE 2: start time of this file (the first number is the total number of seconds elapsed from midnight Jan. 1, 1970) Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 80 RS-232-type devices. RS-232 is a popular communications standard supported by many mainframe computers and most personal computers. The Model 3776 UCPC has two 9-pin, D-type subminiature connectors on the back panel labeled Serial 1 and Serial 2. Figure 7-5 shows the connector pins on the serial ports;...
Page 81 For example, <,> indicates the comma was sent or received via the communications channel. Integers are 32-bit values. Floating point are IEEE() 32-bit values. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 82 A terminal program such as “HyperTerminal” (supplied ® with Windows ) is appropriate. Connect to Serial 1 of the Model 3776 UCPC and perform the following steps: Computer Interface and Commands Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 83 1. Open the HyperTerminal program by selecting: Start|Programs|Accessories|Communications| HyperTerminal. 2. Enter a name for the connection, for example, TSI-3776. Figure 7-6 Connection Description Screen 3. Enter the communications (COM) port. Figure 7-7 Connect To Dialog Box Model 3776 Ultrafine Condensation Particle Counter...
Page 84 4. Enter the port settings described below and click OK. Figure 7-8 Port Settings Dialog Box 5. Under the settings tab, pick the ASCII Setup button and check the boxes shown below. Figure 7-9 ASCII Setup Dialog Box 6. Now select File|Save As and save the file to the desktop for easy access.
Page 85 Transfer|Capture Text… and then HELP ALL in the terminal window lets you capture all the help commands to a text file for easy reference. 7-10 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 86 Static preventative measures should be observed when handling any printed circuit board connectors. Regular maintenance of the Model 3776 Ultrafine Condensation Particle Counter (UCPC) will help ensure years of useful operation. The frequency of service depends on the frequency of use and the cleanliness of the air measured.
Page 87 UCPC operating for many years. Parts are available in kits listed below in Table 8-1. Please contact your TSI representative for details and purchase of these items. Table 8-1 3776 UCPC Maintenance and Replacement Kits TSI Part No. Name Description...
Page 88 TSI Part No. Name Description 1031491 Orifice Flow Replacement Control Kit 3776 critical orifices 1031492 Kit, Charcoal Five (5) large Filter, large, CPC charcoal filters used to remove butanol from exhaust (~ten- effectiveness for each filter) 1031493 Kit, Charcoal Five (5) small...
Page 89 Kit for UCPC drying 3776 capability for saturator sheath flow 1031486 Fill/Drain Bottle Fill and drain Replacement Kit bottles, bracket, tubing and fittings Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 90 C h a n g i n g t h e F i l t e r s The Model 3776 UCPC use four particulate filters and two liquid filters. The particulate filters are for the sheath flow, exhaust flow, bypass flow, and makeup air flow.
Page 91 3. Before removing the old filter, note the direction of the arrow on the filter and the corresponding tubing connections. The sheath flow control variable orifice is located downstream of the filter. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 92 4. Remove the tubing from the barbed fittings at both ends of the filter shown in Figure 8-1. 5. Discard the old filter and fittings. 6. Find a new filter with fittings (P/N 1602300) in the accessory kit. 7. Reinstall the new sheath flow filter by reinserting the tubing over the barbed fittings.
Page 93 7. Reinstall the new exhaust filter, by screwing the filter housing onto the bulkhead fitting and connect the barbed fitting with the corresponding tubing. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 94 Bypass Filter The Bypass air filter is identified in Figure 8-3 and is referenced in the schematic, Figure 5-1. This filter is used to protect a variable orifice controlling flow at a nominal 1.2 L/min. The Bypass filter is used during the high-flow operation mode. This filter is generally not replaced unless the instrument sample flow is compromised as the filter loads.
Page 95 4. Remove the tubing from both ends of the filter. 5. Replace the filter with the one in the accessory kit (P/N 1602088). This filter has no preferred direction. 8-10 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 96 Butanol Fill Filter The butanol fill filter is found in the fill line leading from the butanol bottle (Figure 8-5). Figure 8-5 Replacing the Butanol Fill Filter 1. Read warnings and cautions at the beginning of this chapter. 2. Unplug the instrument and remove the instrument cover by loosening the six side panel screws (they don’t have to be fully removed).
Page 97 6. Install a new filter (P/N 1500192) from the accessory kit. This filter has no preferred direction. 8-12 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 98 Figure 8-6 Front Panel Screw Removal Figure 8-7 Micro-Pump Filter, Shown Behind the Opened Front Panel Maintenance and Service 8-13 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 99 Make sure the blue O-ring gasket seal is retained if it becomes unseated. Put paper towels on the table under the reservoir to absorb any butanol that spills out. 8-14 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 100 Figure 8-8 Saturator Wick Removal 6. Insert a small flat-blade screwdriver in the notch at the side of the wick and pry the wick out as shown in Figure 8-9. You may need to use pliers if the wick is soaked with butanol (see Figure 8-10).
Page 101 Figure 8-9 Prying the Saturator Wick Out Figure 8-10 Pulling the Saturator Wick Out Using Pliers with Minimal Force 8-16 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 102 Figure 8-11 Installing a Saturator Wick A e r o s o l F l o w A d j u s t m e n t Refer to the flow schematic in Figure 5-1. The flow which determines the aerosol concentration is the “aerosol”...
Page 103 TSI flowmeter. If you use a 8-18 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 104 mass flowmeter (one referenced to standard conditions), convert the standard flow to actual (volumetric) flow with the following equation: ⎛ ⎞ × ⎜ × ⎟ Actual flow flow ⎝ ⎠ where T = °K P = kPa Inlet flow in the high flow mode may be reduced if the bypass filter is loaded.
Page 105 4. When performing any operations within the cabinet, take great care to avoid stressing any electrical wiring. Damage to this 8-20 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 106 wiring may necessitate the return of the instrument to the factory for repair. 5. Carefully separate the clear tubing from the orifice barb, prying carefully between the end of the tube and fitting with a flat blade screwdriver to facilitate tubing removal ⁄...
Page 107 Figure 8-13. PUMP Figure 8-13 Top View of Instrument Showing Pump Top and Pump Inlet and Exhaust Fittings and Tubing 8-22 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 108 ⁄ 5. Use a polyethylene tee having ” tube barbs to connect the tubes as shown in Figure 8-14. 6. Connect your external vacuum pump to the Makeup air fitting at the back of the UCPC using plastic tubing capable of providing high vacuum without collapsing under the vacuum load.
Page 109 E r r o r M e s s a g e s a n d T r o u b l e s h o o t i n g The table below provides basic information on the errors generated by the Model 3776 UCPC, and suggestions for corrective action. When an error occurs, the status bar at the top of the screen turns red and the error is displayed e.g., “Saturator temp out of range”.
Page 110 (see below). Flooded instrument Butanol liquid is present in the Although the 3776 UCPC has been designed to instrument optics causing a resist flooding, it can occur if the instrument is variety of problems including...
Page 111 TSI Incorporated 500 Cardigan Road Shoreview, MN 55126 USA Phone: 1-800-874-2811 (USA) or 001 (651) 490-2811 E-mail: technical.service@tsi.com Website: http://service.tsi.com 8-26 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 112 R e t u r n i n g t h e U C P C f o r S e r v i c e Before returning the UCPC to TSI for service, visit our website at http://rma.tsi.com or call TSI at 1-800-874-2811 (USA) or 001 (651) 490-2811 for specific return instructions.
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Page 114 A P P E N D I X A S p e c i f i c a t i o n s Table A-1 contains the operating specifications for the Model 3776 Ultrafine Condensation Particle Counter (UCPC). These specifications are subject to change without notice.
Page 115 Aerosol Instrument Manager® software (RS-232 and USB compatible) Calibration ......Recommended annually Power requirements ....100 to 240 VAC, 50/60 Hz., 335 W maximum Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 116 Table A-1 Model 3776 CPC Specifications Physical features LCD TFT QVGA (320 ×240 pixel) 5.7-inch color display, Front panel ......aerosol inlet, LED particle indicator light, rotate/select control knob, flash memory card slot Back panel......Power connector, USB, Ethernet, two 9-pin D-sub serial...
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Page 118 A P P E N D I X B F i r m w a r e C o m m a n d s The firmware commands are be divided into the following categories: READ Commands SET Commands MISC (MISCELLANEOUS) Commands HELP Commands READ commands are used to read parameter from the instrument (flow rates, temperatures, etc.).
Page 119 Read the aerosol flow rate in cc/min Returns: A floating point number from 0.0 to 9999.9 Example: 50.0 Read the inlet flow rate setting in liters per minute Returns: A floating point number from 0.0 to 9999.9 Example: 0.3 Read the saturator temperature in degrees Celsius Returns: A floating point number from 0.0 to 50.0 Example: 39.0...
Page 120 Read the nozzle pressure transducer. Units are in kPa Returns: A floating point number from 0.000 to 10.000 Example: 2.50 Read the aerosol pressure transducer (3776 only) Units are in inches of water Returns: A floating point number from 0.000 to 1.000 Example: 0.746...
Page 121 ADC reading. The ADC reading is an integer from 0 to 4095 Example: FULL (2471) Read the model number Returns: An integer from 3771 to 3776 Example: 3776 Legacy command to read the liquid level Returns: FULL or NOTFULL Legacy command to read the condenser temperature in...
Page 122 Read the version string. Returns: Model 377x Ver B.B.B S/N AAAAAAAA S E T C o m m a n d s SSTART Start a new sample Params: 0 – Stop 1 - Start Example: SSTART,1 (starts a new sample) This command will return every second UX,D,D,D,D,D,D,D,D,D,D,C,C,C,C,C,C,C,C,C,C,AN1,AN2,RIE UX =>...
Page 123 SAWR Set the auto water removal function on/off Params: 0–Off 1–On Example: SAWR,1 (turns on water removal) Set analog output voltage Params: v => 0.000–10.000 Example: SVO,4.482 (sets the output voltage at 4.482 volts) SCOM Setup auxiliary comport Params: Port => 2 Baud =>...
Page 124 Params: month => 1–12 Example: SMONTH,2 (sets the month to February) S3776FLOW Set the 3776 flow calibration parameters (3776 only) Params: A => Floating point number B => Floating point number where flow rate = A * (sample pressure) + B Example: S3776FLOW,2.58e-2,8.37e1...
Page 125 Legacy command to turn the pump off Legacy command to turn the pump on Legacy command to set the inlet flow to 0.3 L/min (3775 and 3776 only) Legacy command to set the inlet flow to 1.5 L/min (3775 and 3776 only)
Page 126 Change the active flash card directory (except 3771) CAL3775 Set the 3775 Photometric calibration table (3775 only). Format: CAL3775,x,y Where x => photometric voltage * 100 in volts y => concentration in p/cc Example: CAL3775,101,2.03e5 (a photometric voltage of 1.01 V will result in a concentration of 2.03e5 p/cc) H E L P C o m m a n d s Help,Read...
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Page 128 A P P E N D I X C R e f e r e n c e s The following sources have been used in the text of this manual. Agarwal, J.K. and G.J. Sem [1980] “Continuous Flow Single-Particle-Counting Condensation Nuclei Counter”...
Page 129 “Performance of Condensation Particle Counters with Three Continuous-Flow Designs,” presented as a poster paper at the European Aerosol Conference, Oxford England, Sept. 7-11, 1992. Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 130 Rich, T.A. [1955] “A Photoelectric Nucleus Counter with Size Discrimination” Geofis. Pura Appl., Vol. 31, pp. 60–65 Scheibel, H.G., and J. Porstendorfer [1983] “Generation of Monodisperse Ag- and BaCl- Aerosols with Particle Diameters Between 2 and 300 nm. Journal of Aerosol Science, 14, 113-126 Schlichting [1955] Boundary Layer Theory, 6th ed., McGraw-Hill, New York...
Page 131 Stolzenburg, M.R. [1988] “An Ultrafine Aerosol Size Distribution Measuring System” Ph.D. Thesis, University of Minnesota, Minneapolis, Minnesota, July Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 132 I n d e x about this manual, xvii calibration, A-2, C-2 AC connector and switch, 3-3 capillary tube, 5-5 accuracy, 6-2 caution adiabatic expansion CNC, 5-2 butanol, 2-4 aerosol flow adjustment, 8-17 caution symbol, ix aerosol flow capillary, 5-8 changing filters, 8-5 aerosol flow rate, 4-14 charcoal filter, 3-6...
Page 133 2-3 internal vacuum pump, 1-3, 3-6, 8-22, 8-23 filter, 3-9 filter replacement schedule, 8-6 Kelvin diameter, 5-1, 5-2 Index-2 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 134 1-1 manual, xviii protective cap, 2-2 Model 3775 CPC, 5-4, 5-5 pulse output, 3-4 Model 3776 UCPC, 5-4, 5-5 Model 3781 Water-based Condensation Particle Counter manual, xviii Index Index-3 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 135 4-11 signal connections for RS-232 configurations, 7-6 single count mode, 5-3, 6-1 solenoid fill, 3-9 solenoid valve, 3-9 specifications, A-1 Index-4 Model 3776 Ultrafine Condensation Particle Counter Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
Page 136 Please help us improve our manuals by completing and returning this questionnaire to the address listed in the “About This Manual” section. Feel free to attach a separate sheet of comments. Manual Title Model 3776 Ultrafine Condensation Particle Counter P/N 1980522 Rev B 1. Was the manual easy to understand and use?
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Page 138 TSI Incorporated 500 Cardigan Road, Shoreview, MN 55126 U.S.A. Telephone: 1-800-874-2811 (toll-free) or 651-490-2811, Fax: 651-490-3824, E-mail: particle@tsi.com P/N 1980522 Rev. B Copyright © 2006 by TSI Incorporated All rights reserved Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

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