Page 1 LASAIR ® 310A/310B, 510A, 350L/550L Particle Counter Operations Manual P/N 1000000982...
Page 2 ® Lasair 310A/310B, 510A, 350L/550L Particle Counter Operations Manual Particle Measuring Systems Headquarters Particle Measuring Systems Asia Pacific Particle Measuring Systems China 5475 Airport Blvd., Boulder, CO 80301, USA PMSAsiaPacific@pmeasuring.com PMSChina@pmeasuring.com (303) 443-7100 1-800-238-1801 FAX: (303) 449-6870 Particle Measuring Systems Singapore Particle Measuring Systems Mexico Instrument Service &...
Page 3: Quality Statement
Quality Statement The Quality Policy of Particle Measuring Systems is to strive to meet or exceed the needs and expectations of our customers, and to align the activities of all employees with the common focus of customer satisfaction through continuous improvement in the quality of our products and services.
Page 4: Battery Disposal
Your local waste authority will have information on return and collection systems in your area. For California consumers, contact Particle Measuring Systems, Customer Service Department at (877)-475-3317 for instructions on returning used, rechargeable batteries for reuse, recycling, or proper disposal at no cost.
Page 5 89 / 336 /EEC, 73 / 23 /EEC Standard(s) to which Conformity is Declared: EN 61326: 1997/A1: 1998/A2: 2001 Safety EN 61010-1: 2001 Manufacturer’s Name: Particle Measuring Systems, Inc. Manufacturer’s Address: 5475 Airport Boulevard, Boulder, CO 80301 USA Manufacturer’s Telephone/FAX: (303) 443-7100 / (303) 449-6870 Distributor’s Name: Particle Measuring Technique, Great Britain Distributor’s Address...
Page 6: Table Of Contents
Table of Contents Quality Statement - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ii Environmental Information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ii Battery Disposal - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - iii Patent Information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - iii...
Page 7 Table of Contents Using Edit Mode - - General Procedure - - - - - - - - - - - - - - - - - - - -5-3 Sampling Setup Screen - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -5-4 Main Page Setup Functions - - - - - - - - - - - - - - - - - - - - - - - - -5-4 Advanced Page Setup Functions - - - - - - - - - - - - - - - - - - - - - -5-4 Location Page Setup Functions - - - - - - - - - - - - - - - - - - - - - - -5-4...
Page 8 Table of Contents Chapter 7: Communications Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1 PMS TCP/IP Protocol - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1 Web Server - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-2 Lasair II Particle Counter Serial Interface- - - - - - - - - - - - - - - - 7-2 PMS Multi-Drop Protocol (MiniLaz Emulation) - - - - - - - - - - - 7-2...
Page 9 Table of Contents When Sample Acknowledge is Activated - - - - - - - - - - - - - - - -8-14 Using Auto-incrementing - - - - - - - - - - - - - - - - - - - - - - - - - - -8-15 When Using Auto-selection of User-created Location Names - -8-16 When Not Using the Auto-increment Mode - - - - - - - - - - - - - -8-17 Observing Statistical Results - - - - - - - - - - - - - - - - - - - - - - - - - - -8-17...
Page 10 Table of Contents Appendix B: Connecting to a Computer or Network - - - - - - - - - - - - - B-1 Web Browser Interface- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - B-1 Hardware Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - B-1 Software Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - B-1 Cable Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - B-1...
Page 11 Table of Contents Command List- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -G-6 Serial (RS-232) Output Format- - - - - - - - - - - - - - - - - - - - - - - - - -G-9 Appendix H: Pharmaceutical (Two-channel) Output Mode - - - - - - - - H-1 LCD Screen Output - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -H-1...
Page 12 Table of Contents Comparison to MiniLaz Buttons - - - - - - - - - - - - - - - - - - - - - - M-4 TouchRAM Button Data Format - - - - - - - - - - - - - - - - - - - - - - - - M-5 Particle Alarms and Touch RAM Buttons - - - - - - - - - - - - - - - - - - M-6 Touch RAM Buttons Written on Other Instruments - - - - - - - - - M-6 Touch RAM Buttons with TCP/IP Address - - - - - - - - - - - - - - - - - M-6...
Page 13 Table of Contents This page is intentionally left blank.
Page 14 List of Figures Figure 1-1: Front View of Lasair II Particle Counter at 196 DPI - - - - - - - - - - - - - - - - 1-5 Figure 1-2: Rear View at 199 DPI - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-6 Figure 2-3: 350L and 550L Probe Adaptor and Sample Probe - - - - - - - - - - - - - - - - - - 2-5 Figure 2-4: 350L and 550L Tubing, Tripod Adaptor, and Sample Probe - - - - - - - - - - - 2-6 Figure 2-5: 350L and 550L Assembled Sample Probe end of the Tubing - - - - - - - - - - 2-7...
Page 15 List of Figures Figure 8-6: FS-209 Supplemental Channels Dialog Box- - - - - - - - - - - - - - - - - - - - - - 8-22 Figure 9-1: Recipe Setup Screen, Setup Page - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-5 Figure 9-2: Setup Screen, Locations Page - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-7 Figure 9-3: Sample Setup Screen with Password Protection - - - - - - - - - - - - - - - - - - - 9-8 Figure 9-4: Recipe Setup Web Page - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-9...
Page 16 List of Tables Table 2-1: Standard Packing List- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 Table 5-1: Main Setup Screen Fields and Buttons - - - - - - - - - - - - - - - - - - - - - - - - - - 5-19 Table 5-2: Analog Data Setup Screen Fields and Buttons - - - - - - - - - - - - - - - - - - - - - 5-21 Table 6-1: Printout Legend- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-15...
Page 17 List of Tables...
Page 18: Chapter 1: Getting Started
Chapter 1 Getting Started Product Overview The Lasair II particle counter is an airborne-particle counter designed for either mobile or dedicated use. The sizing channel threshold and the sample flow rate vary with the particular model. See the chart below for each model’s channel thresholds and flow rates.
Page 19: Description
Chapter 1: Getting Started Air moves from the sample inlet through the sample chamber. A laser beam is projected through the sample chamber so that any particles in the sample will scatter the light. The scattered light energy is picked up by the collecting optics and converted to a voltage pulse with the amplitude of the voltage pulse corresponding to the size of the particle.
Page 20: External Features
The Lasair II particle counter can be controlled and operated in the following ways: • As a stand-alone unit • Connected to Particle Measuring Systems facility monitoring software, Facility Net or Pharmaceutical Net • From the web browser on your computer, when connected to the particle counter...
Page 21 Chapter 1: Getting Started T/RH sensor port: Directly behind the sampling inlet is a 5-pin LEMO® port that receives the Temperature/Relative Humidity sensor. Instruction for inserting and removing the T/RH probe are provided in Chapter Front Panel Features — The controls and display on the front panel allow you to control the Lasair II particle counter, and view all its activities and consists of the following features: •...
Page 22: Figure 1-1: Front View Of Lasair Ii Particle Counter At 196 Dpi
• 4–20 mA Input Port: Up to four more analog sensors can be connected through the 4–20 mA port to provide additional environmental sensor information. Analog sensors available from Particle Measuring Systems include: air velocity, differential pressure, and T/RH sensors.
Page 23: Figure 1-2: Rear View At 199 Dpi
Chapter 1: Getting Started ➢Attaching a USB keyboard for faster entry and editing of screens OR ➢Downloading a CSV file to a USB memory key/stick • Ethernet Port: A 10Base-T Ethernet port, marked ‘NET,’ is used to connect: ➢Directly to a computer ➢Into a network hub that communicates with a remote facility monitoring system •...
Page 24: Internal Components
Description Internal Components Significant internal components include the following: • Tubing: 3/4-inch I.D., polyethylene tubing is used between the sampling inlet and the pump, and the pump and the outlet. • Pump: A regenerative blower pump is located at the base of the unit. The pump is a low power, DC voltage-controlled unit that is controlled to keep the flow rate at one cubic foot per minute.
Page 25: Specifications
Chapter 1: Getting Started Specifications Size Range 0.3–25.0 µm Number of channels Altitude correction Altitude correction is automatically performed with internal pressure transducers. Altitude range 0–3,000 m Maximum >350,000/ft. at 5% coincidence loss concentration 350L Maximum >250,000/ft. at 5% coincidence loss concentration 550L Maximum >900,000/ft.
Page 26 Specifications ® Supporting Software Facility Net, Pharmaceutical Net, Internet Explorer ® External Surface ESD-compatible KYDEX Tested Bleach, formaldehyde, ethyl or isopropyl alcohol, peroxide/ , DECON- ® Cleaning Materials quaternary ammonium solutions, DECON-Clean , STERI-PEROX ® ® ® QUAT 100 , HYPO-CHLOR , and ®...
Page 27: Battery Usage Specifications
Chapter 1: Getting Started Battery Usage Specifications Battery Usage Specifications Battery run time Varies with conditions: • 4 hours with 10’ tubing on the inlet jet, one minute samples, and a printout every sample. • 7 hours with no tubing and no printout at the end of the sample •...
Page 28: Chapter 2: Unpacking And Installation
If the shipping container appears to be in good condition, continue to carefully unpack the container, while inspecting the contents for damage. Table 2-1: Standard Packing List Lasair II particle counter Lasair II 350L and 550L • Printer paper • Printer paper • Operator’s manual •...
Page 29: Installing The Particle Counter
Plug the 3-prong end of the cord into the power source. CAUTION Particle Measuring Systems recommends the use of a good quality surge protector to isolate the particle counter from voltage spikes. Surge protectors are inexpensive and easily obtainable from many office supply or computer equipment sources.
Page 30: Connecting The Sample Probe, 310 And 510 Versions
It will fit over the sample inlet. NOTE: If the sample tubing is longer than 10 feet (3.05 meters), Particle Measuring Systems cannot guarantee valid particle measurement. Also, if you intend to sample for particles greater than 5 μm, you should not use any tubing at all.
Page 31: Connecting The Sample Probe, 350L And 550L Versions
• A wall mount adaptor for the Standard Sampling Probe (Part No. 1000000971) • A Sampling Probe, Isokinetic, with wall/hand/tripod adapter (Part No. 90103070) from Particle Measuring Systems. To connect the sample probe directly to the sample inlet: Remove the protective cap from the sample inlet. Place the sample probe directly over the black polyethylene sample inlet, located on the top of the unit.
Page 32: Figure 2-3: 350L And 550L Probe Adaptor And Sample Probe
Installing the Particle Counter NOTE: If the sample tubing is longer than 10 feet (3.05 meters), Particle Measuring Systems cannot guarantee valid particle measurement. Also, if you intend to sample for particles greater than 5 μm, you should not use any tubing at all.
Page 33: Figure 2-4: 350L And 550L Tubing, Tripod Adaptor, And Sample Probe
Chapter 2: Unpacking and Installation To connect the sample probe to tubing: Insert the ribbed end of the cylindrical sample inlet adaptor fully into one end of the tube. Insert the ribbed end of the sample probe adaptor fully into the other end of the tube.
Page 34: Figure 2-5: 350L And 550L Assembled Sample Probe End Of The Tubing
Installing the Particle Counter Figure 2-5: 350L and 550L Assembled Sample Probe end of the Tubing Lasair II Particle Counter Operations Manual Page 2-7...
Page 35: Figure 2-6: 350L And 550L Tubing And Fittings Assembled
Chapter 2: Unpacking and Installation Barbed Adapter, Tubing-to-Monitor 1000008910 Figure 2-6: 350L and 550L Tubing and Fittings Assembled To secure the sample probe to a tripod: Fit the screw on the tripod plate into the threaded hole on the tripod adapter. Make the screw secure but hand tight only.
Page 36: Connecting And Disconnecting The T/Rh Sensor
Installing the Particle Counter Connecting and Disconnecting the T/RH Sensor The Temperature/Relative Humidity (T/RH) sensor is an optional accessory that mounts on the top of the unit, behind the sample inlet. When connecting this sensor, look for the red dot at the bottom of the sensor and a corresponding red dot on the particle counter’s sensor connection.
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Page 38: Chapter 3: Controls And Displays
Chapter 3 Controls and Displays The Lasair II particle counter has many powerful features to facilitate particle counting and monitoring. This chapter discusses the following topics: • Layout of control panel keys, softkeys and screens • Menu options • Display screens Front Panel Layout By using the control panel keys and softkeys, you can perform all of the tasks necessary to set up and operate the Lasair II particle counter.
Page 39: Hierarchy Of Screens
Chapter 3: Controls and Displays To turn the particle counter on and off: Press the On/Off key. WARNING This is not a power disconnect. To remove power, unplug the power cord and remove the battery. To darken or lighten the screen: Press the Minus or Plus key until the screen darkens or lightens to the desired contrast.
Page 40 Hierarchy of Screens Main Sampling Setup Advanced Sampling Setup Location Name Setup Alarm Setup Statistics Setup Sampling Setup Recipes Setup Analog Data Setup Network Setup Page Communications Serial Port Setup Page Main Setup Setup Data Display Setup Page 4–20 mA Output Setup (optional) Main Data Display Setup Display...
Page 41: General Guidelines For Screen Navigation
Chapter 3: Controls and Displays On the right side of the screen, notice a column of icons. Each setup screen, display screen or function is represented by an icon. Each icon is associated with the softkey to its right. When you press the softkey to the right an icon, the screen for that icon is displayed.
Page 42: Main Display Screen
Display Screens NOTE: If the particle counter can be accessed over your Ethernet network, always leave the instrument’s display at either the Main Display Screen or the Analog Display Screen so remote users can access the Lasair II particle counter. Main Display Screen The Main Display Screen appears when the Lasair II particle counter is turned on.
Page 43 Chapter 3: Controls and Displays NOTE: The display is real time; it shows changing particle counts as a sample is run. While sampling, real-time values of the following parameters are displayed: • Sampling time or delay time • Flow rate Many areas of the screen change during operation to reflect real-time status.
Page 44: Figure 3-2: Status Screen
Display Screens ➢When sampling, the Pump symbol comes out of its grey, inactive state. An airflow rate will appear next to the Pump symbol. If the airflow alters more than +5% from one cubic foot per minute during sampling, a red “X” will appear over the pump symbol.
Page 45 Chapter 3: Controls and Displays ID Entered in the Main Setup Screen, the ID name is a way of tracking the unit. This information is also placed in the data record. Version The software version currently loaded. Battery Status When the unit is not plugged in, the Power Plug icon on the status screen will appear grayed out.
Page 46: Analog Data Display Screen
Display Screens Hour Meters The number of hours the laser, the pump, and the instrument have been used. Calibration The date of the most recent calibration appears in this field. Analog Data Display Screen The Analog Data Display Screen is laid out very much like the Main Display Screen.
Page 47: Setting Up The Display Screens
Chapter 3: Controls and Displays • Top and Bottom Banners: See Figure 3-3 above. The information displayed in the banners are identical to those in the Main Display Screen. See Figure 3-1, “Main Display Screen,” on page 3-5. Setting Up the Display Screens The display screens show a great deal of data.
Page 48 Chapter 4 Taking a Quick Sample —Software Version 2.0 The following information is a simplified and brief instruction for setting up sample parameters and taking a sample. Press the ON key to start the Lasair II particle counter. Press the top softkey on the right side of the instrument to move to the Sampling Setup Screen.
Page 49: Chapter 4: Taking A Quick Sample-Software Version 2.0
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Page 50: Chapter 5: Setup
Chapter 5 Setup Setup is defining the parameters that will be used when collecting sample data. The Lasair II particle counter uses Setup Screens for the following functions: • Sampling Setup Screen: Assign parameters that directly relate to sampling. • Alarm Setup Screen: Specify the particle count or analog data that will trigger an audible or visual alarm or both.
Page 51: Edit/Navigation Softkey Icon Functions
Chapter 5: Setup Editing mode icons will replace the screen navigation icons. Edit/Navigation Softkey Icon Functions The Return Arrow is always the top (or first) icon. This command icon will take you out of Editing Mode without leaving the screen. The Forward Tab is used to move from one screen location to another.
Page 52: Using Edit Mode - - General Procedure
Using Edit Mode - - General Procedure Using Edit Mode - - General Procedure Setting parameter values in Lasair II particle counter Setup Screens Verify that the screen has a blue pencil icon in the upper left corner. If the icon is present, the screen is a setup screen and values can be changed.
Page 53: Sampling Setup Screen
Chapter 5: Setup Sampling Setup Screen The sampling setup screen is comprised of three pages, each of which contain sampling setup options. The most commonly used setup functions are on the Main page. The pages and their functions follow: Main Page Setup Functions •...
Page 54: Figure 5-1: Sampling Setup Screen-Main Page
Sampling Setup Screen To open the Sampling Setup Screen: Press the top (or first) softkey on the Main Display Screen. Figure 5-1: Sampling Setup Screen-Main Page Location Select the name of the location that will be included in display screens, sample data, and printouts. Sample Time/Size: Sets Time or Volume to sample.
Page 55: Figure 5-2: Sampling Setup Screen - Advanced
Chapter 5: Setup To perform this sequence, the following settings must be made: Sample size = Infinity Enabled Group repeat = Enabled Autoprint = Enabled If there were no set values for the initial and inter-sample delays, these pauses will be performed in every cycle.
Page 56 Sampling Setup Screen Sample by Time Enable this icon to sample by time. NOTE: Sampling is performed for either a designated time or a designated volume. Sample by Volume Enable this icon to sample by volume. Volume is rounded to the nearest one-second time interval. Volume in cubic feet per minute are displayed to two decimal places.
Page 57: Start Sampling By Time-Of-Day
Chapter 5: Setup Start Sampling by Time-of-day The Sampling by Time-of-day function allows you to automatically start sampling at a time of your choosing. When start by time-of-day is enabled, the Lasair II particle counter disables the user-set initial delay and sets purge time internally to allow the sampling to begin at the set time.
Page 58: Sampling Beep Mode (Models 310-550L Only)
Sampling Setup Screen NOTE: The start by time-of-day feature is not available in the web browser interface. Sampling Beep Mode (Models 310-550L Only) The “Beep Mode” is essentially a “Geiger counter” mode which provides audible feedback while sampling. The mode is enabled by means of the Sampling Setup screen.
Page 59: Location Name Setup Screen
Chapter 5: Setup Location Name Setup Screen If you are moving the unit to different sampling locations, the Lasair II particle counter lets you name those locations in the Location Name Setup Screen. Once you have the locations named, you can select a location name to label the sampling data.
Page 60: Figure 5-5: Add Location Screen
Location Name Setup Screen List of location names The location names that have been entered individually or automatically. 001..N Generates a list of locations numbered from 1 to 100. This option works only if no other names have been entered. Erase All Allows you to delete all entered locations in the list at once.
Page 61: Alarm Setup Screen
Chapter 5: Setup Press the Edit Location softkey . The Edit Location Screen will open: Figure 5-6: Edit Location Screen NOTE: When a location name is edited, stored sample records from that location will use the new name in the data output. To indicate a change, a “?”...
Page 62: Silencing Alarms
Alarm Setup Screen Silencing Alarms If the alarm is activated, the Main Display Screen (and Analog Data Display Screen) will blink red and yellow. If the audio alarm has been set, the unit will beep. To silence an alarm: Press the Enter button until all alarms are off. The triggering value will remain in red on the Main Display Screen if it is a particle alarm (or on the Analog Data Display Screen, if it is an analog value).
Page 63: Printing On Alarm
Chapter 5: Setup Alarms Enable/Disable Allows you to turn all alarms ON or OFF. Audio Enable/Disable Determines whether audio alarms will accompany the visual alarms. Print on Alarm This icon enables or disables the Print on Alarm feature. For details, see “Printing on Alarm” on page 5-14. Particle Alarms The particle alarm setup fields.
Page 64: Setting Particle Alarms
Setting Particle Alarms Press the Return icon softkey to exit the Alarm Setup Screen. To Edit the Alarm Setup: press the Enter button. Use the tab and back tab keys to move from the Particle Alarm Setup Screen and the Analog Alarm Setup Screen and to move to the major areas within each setup screen.
Page 65: Automatic Changes In Particle Alarms
Chapter 5: Setup Tab to the Type field and select either Differential Counts or Total Counts. NOTE: The right tab key moves the cursor from the Alarm Enable Button, to the Audible Alarm Button, to the Type Count Button, to the Particle Alarms Table.
Page 66: Figure 5-9: Alarm Setup Screen, Analog Alarms Page
Setting Analog Alarms You can set a Minimum value, a Maximum value, or both for each analog variable in the list. You must also enable those alarms by entering a bullet in the 1/0 field next to the Min/Max field. To set minimum and/or maximum values for an analog probe: Open the Analog Alarm Setup Screen.
Page 67: Printing Sampling And Alarm Parameters
Chapter 5: Setup Printing Sampling and Alarm Parameters The current sampling setup and alarm settings can be printed from the Status Screen. From the main display screen, select the button to get to the Status Screen. Then select the button to print the sampling parameters. The Statistics Mode Pressing the softkey for the statistics mode symbol opens the Statistics Setup Screen.
Page 68: Table 5-1: Main Setup Screen Fields And Buttons
Main Setup Screen Table 5-1: Main Setup Screen Fields and Buttons Field or Button Function The Lasair’s identification name or number—up to 16 alphanumeric characters. Date The date in the format of dd:month:yyyy. Time The time in the format of hh:mm:ss. Time is in military notation only.
Page 69: Analog Data Setup Screen
Chapter 5: Setup Use the forward and backward tab keys to move to the desired location. Change any fields that are necessary. Refer to the section, “Edit Mode” on page 5-1, for more information about changing values and selecting options in the fields. Analog Data Setup Screen To display the Analog Data Setup Screen: Press the second softkey on the Main Display Screen...
Page 70: Password And Remote Access Security
Password and Remote Access Security Table 5-2: Analog Data Setup Screen Fields and Buttons Field or Button Function T/rh Enables or disables the optional Temperature/Relative Humidity (T/RH) sensor mounted on top of the particle counter. Units (Deg C This group box relates to the T/RH field, and determines whether or Deg F) the temperature readings will be displayed in Centigrade or Fahrenheit.
Page 71 Chapter 5: Setup 9, "Recipes". A sampling or statistical recipe may be tied to each location. When the user selects the location, the recipe for that location is loaded. Thus, the particle counter allows specific sampling plans to be effectively administrated within a user/ supervisor framework by means of the password feature.
Page 72: Communications Setup Screens (Comm Setup)
Communications Setup Screens (Comm Setup) Use the Tab softkey to move to the OK button and then press the Enter button to accept the password. The Verify New Password dialog box will open. Re-enter the password, tab to the OK button and press the Enter button to accept the password.
Page 73: Comm Setup - Network Page
Chapter 5: Setup Comm Setup - Network Page Figure 5-13: Comm Setup Screen, Network Page The Data display setup window is used to enable and disable the 0.5μ and 5.0μ data display mode. See Chapter H, "Pharmaceutical (Two-channel) Output Mode". This setup screen is also used for TouchRam configuration.
Page 74: Comm Setup - Serial Screen
Communications Setup Screens (Comm Setup) Multicast Required when using Facility Net software. The multicast address in a decimal notation form of aaa.bbb.ccc.ddd. Each 3-numeric series represents a value from 0 255, separated by period characters (.). – An example of a valid multicast address is: 224.100.100.1. Enable Web Server The default setting is Enabled;...
Page 75 Chapter 5: Setup LASAIR II The default communications mode. Select this button to use the Lasair II particle counter as a stand-alone instrument. For more information, see Appendix G, "Native Serial (RS-2332) Communications". PMS Multi-Drop Selecting this button activates the mode used to enable the particle counter to emulate older MiniLaz drivers in a Facility Net/RS-485 system with multiple, individually-addressable instruments.
Page 76: Chapter 6: Operation
Chapter 6 Operation Once you have setup the unit for sampling, operations is a simple matter. This chapter includes the following sections: • Collecting Sample Data • Viewing Sample Data • Printer Output • Silencing Alarms • Saving Data to Other Media •...
Page 77: Viewing Sample Data
Chapter 6: Operation Viewing Sample Data Sample data can be viewed on the following two screens: • Main Display Screen • Data Table Screen Viewing Data on the Main Display Screen The Main Display Screen displays data collected from the last sample. Data remains on the screen until a new sample is started.
Page 78: Figure 6-1: Status/Information Screen
Viewing Sample Data Figure 6-1: Status/Information Screen Open the Data Table Screen by pressing the Data Table icon softkey. The Data Table Screen will open and, after a few seconds, data will fill the table cells. Lasair II Particle Counter Operations Manual Page 6-3...
Page 79: Navigating In The Data Table Screen
Chapter 6: Operation Row index Figure 6-2: Data Table Screen When the Data Table Screen is displayed, you may view all the stored data, displayed in the order received, or you can select, sort, and order the stored data according to your needs. Navigating in the Data Table Screen The Data Table Screen (see above) displays all stored particle and analog data, or the subset of the data you select to view.
Page 80 Viewing Sample Data NOTE: Pressing the Enter softkey normally enables the edit mode. In this screen, however, pressing the Enter softkey enables a navigation mode, that allows you to move left, right, up, and down cannot with the Arrow softkeys and other softkeys. You edit data on the Lasair II particle counter.
Page 81: Controlling How The Data Is Displayed
Chapter 6: Operation Controlling how the Data is Displayed You can manipulate the displayed data in the following two ways: • You can determine how the data are displayed by controlling the Data Display Screen. • You can determine which data are displayed by controlling the Data Filter Screen.on the Data Table Screen.
Page 82: Controlling What Data Is Displayed
Viewing Sample Data This selection determines the units displayed for the Sample Volume and sample readings. Display: [Δ or Σ] Determine whether data is displayed in Differential (Δ) or Cumulative (Σ) values. This setting is saved in battery-powered RAM when the Lasair II particle counter is shut down.
Page 83: Figure 6-4: Data Filter-Time Screen
Chapter 6: Operation The Data Filter global on/off switch. When The number of records this switch is off, the Start and End parameters you can choose from. are disabled. The number of records the filter parameters The Start have selected parameter on/ off switch The End...
Page 84 Viewing Sample Data To filter data by time: If the Data Filter-Time Screen is not open, press the Screen Select icon softkey until the Data Filter-Time Screen is displayed. Press the Enter softkey to enable the edit mode. The Data Filter mode 1/0 (on/off) button will be highlighted.
Page 85: Figure 6-5: Data Filter-Location Setup Screen
Chapter 6: Operation Press the Enter button to toggle the 1/0 button to OFF. To filter data by location: Navigate to the Data Filter-Location Screen. NOTE: Several clicks of the Tab Forward or Tab Back icon softkeys in the Data Filter/Time Screen will take you to the Data Filter/Location Screen.
Page 86 Viewing Sample Data To select data tagged with particular location names, after the first location name is highlighted, press the Down Arrow or Up arrow softkeys to navigate through the location list. When the desired location name is highlighted, press the Enter key to select it. Continue highlighting and selecting location names until all the location names you want are selected.
Page 87: Figure 6-6: Data Table Screen With Print Dialog Box
Chapter 6: Operation The number of records that will be printed or The index number of the first record averaged, starting with the “Start” number. that will be printed or averaged Prints each of the specified samples Prints the average of the selected samples Minimum: 2 Maximum: 100...
Page 88 Viewing Sample Data NOTE: Remember, you are always changing the digit to the right the flashing cursor. This means that if you want a multi-digit number, you must use the Right Arrow softkey to move the cursor past the first digit before setting the second digit.
Page 89: Printer Output
Chapter 6: Operation Printer Output This section describes the messages and data that appear on the Lasair II particle counter’s thermal printer output. The descriptions are listed by line number, from top to bottom as the lines appear on the printed output. Note, however, that the lines are not numbered on the printer output.
Page 90: Table 6-1: Printout Legend
Printer Output Table 6-1: Printout Legend Line Text or Data Description A sample will either be final or partial Final Sample Normalized depending on the state of the sample cycle when the printer is run. Partial Sample Normalized The name/ID of the particle counter that LASAIR II produced the data.
Page 91: Statistics Mode Sample Print
Chapter 6: Operation Table 6-1: Printout Legend (Continued) The 10 micron channel: ||10.0|| 16084|| 16084|| || total counts of 10 microns || total counts ≥ 10 microns Column headers for Environmental Data. Min || Average, Minimum, and Maximum are taken over the Sample period.
Page 92: Saving Data To Other Media
Saving Data to Other Media To stop the red and yellow flashing: After the pump stops, press the Enter key once more after pressing it to silence the alarm. You can also silence alarms and stop the red and yellow blinking by repeating the sampling, without exceeding an alarm limit, or by turning the unit OFF and then ON.
Page 93: Erasing Data From Particle Counter's Memory
Chapter 6: Operation • Data can be saved continuously by connecting the Lasair II particle counter to a facility management system such as Facility Net and collecting your samples while so connected. When using such a system, the data is saved continuously on a computer, and the local data storage can be ignored.
Page 94 Restoring Deleted Data From the Main Setup Screen, enable the edit mode and click the Data Restore Button. The Unerase Data Dialog box will open confirming the number of records restored. Press the Enter key to clear the dialog box. Lasair II Particle Counter Operations Manual Page 6-19...
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Page 96: Communications Overview
Chapter 7 Operation with a Computer or Control Software The previous chapters referenced using Lasair II particle counter in the “stand- alone” or “direct” mode. In these modes, you are interfacing directly with the Lasair II particle counter. All parameters are set by using the softkeys and all data is stored in and read from the display screens or printed on the thermal printer.
Page 97: Web Server
Chapter 7: Web Server The Lasair II particle counter provides a Web interface which looks and functions similar to the front panel screens. The instrument may be controlled or simply monitored for status or problems using a standard Web browser such as Internet ®...
Page 98: Configuring Communications
Configuring Communications Configuring Communications All communications are configured using the “Comm Setup” screens on the Lasair II particle counter. Figure 6-1 is an overview of the two communications setup screens. One screen is used for all Ethernet based communications, and the other screen is used for all serial communications.
Page 99: Figure 7-2: Comm Setup Screen-Network Page
Chapter 7: Figure 7-2: Comm Setup Screen-Network Page Net Addr (Net Address Sets the IP address in the form . Each 3- aaa.bbb.ccc.ddd digit series is a value of 0–255, separated by a period (.). This address is unique to each Lasair II particle counter.
Page 100: Serial Communication Setup Screen
Configuring Communications TCP/IP Remote Mode Enable this check box to cause Facility Net to treat this instrument as a “Remote Instrument”. When connected to Facility Net, stored data will be downloaded, and Facility Net will then disconnect. Enable TCP/IP must also be checked. For details about changing the Enable TCP/IP check box, see “Preparing for On- Line Operation”...
Page 101 Chapter 7: instrument, collecting data, and setting various configuration parameters. The protocol is similar, but not identical to the older Lasair serial communications. Full details for this protocol are provided in Appendix G, "Native Serial (RS-2332) Communications". PMS Multi-Drop This communications protocol is designed to be used in a party- line environment such as an RS-485 system.
Page 102: Setting For 0.5 And 5.0 Μm Output Only
Using the Remote Mode NOTE: The instructions in this chapter assume that you are familiar with using either Internet Explorer or Netscape Communicator browser software. For more information, see Appendix B, "Connecting to a Computer or Network". Setting for 0.5 and 5.0 μm Output Only The Communications Setup Screen (Data) may be set to cause output with 0.5 and 5.0 μm output only.
Page 103: Preparing For Remote Mode
Net has the required versions of the .dll and .hlp files listed on the following page. If these files are not correct, contact your local Particle Measuring Systems representative. To prepare the particle counter for remote mode: Ensure that its identifier, on the Main Display Screen, is unique to all other Lasair II particle counter’s that will be used with your Facility Net system.
Page 104: Connecting To A Computer
Using the Facility Net (On-line Method) NOTE: If this check box is not enabled before connection to Facility Net, the Lasair II particle counter will be configured within Facility Net as a regular on-line sensor. If you want to automatically delete the data in the particle counter after it has been copied to Facility Net, select Auto-delete in Facility Net.
Page 105: Preparing For On-Line Operation
Chapter 7: • If you are unable to gain control of the particle counter, the error message “Unable to gain control of the instrument at this time.” will appear on the computer display. • When Facility Net has control of the Lasair II particle counter, its control functions will be locked out, but data will displayed on the particle counter.
Page 106: Controlling The Particle Counter With Browser Software
Connect an Ethernet cable from the particle counter to an Ethernet hub. To prepare Facility Net for on-line operation: Facility Net configuration is beyond the scope of this manual. Refer to the Facility Net Operations Manual or contact your Particle Measuring Systems representative. Controlling the Particle Counter with Browser Software...
Page 107: Establishing Communications Through A Web Browser
Chapter 7: • Download, save, or delete sample data • Detect alarms • Print reports • Upload software revisions into flash memory Establishing Communications Through a Web Browser The same steps will be used to connect with a Lasair II particle counter whether connecting over an Ethernet network or directly from a computer with a crossover cable.
Page 108: Displaying Data On The Web Browser
Controlling the Particle Counter with Browser Software The User Name field is NOT used for Lasair II particle counter access. Ignore it and move the cursor into the Password field. If password control is enabled and passwords have been assigned, type your Password and then click the button.
Page 109: Figure 7-5: Web Page, Particle And Analog Data
Chapter 7: Data display areas Navigation buttons Status icon Action buttons Figure 7-5: Web Page, Particle and Analog Data Particle and Analog Data Window Display Area — The Display Area is where you will find information such as the Lasair ID, sampling location name, and the results of the current or previous sampling.
Page 110: Particle And Analog Data Window Control Icons And Buttons
Controlling the Particle Counter with Browser Software Note that the following status icons appear in the upper left corner of the display screen to tell you what is happening in the sampling process. Particle and Analog Data Window Display Status Icons — These status icons and control buttons are on the bottom of the main display window.
Page 111: Deleting Sample Data Records
Chapter 7: To save sample data to another file: From the Particle and Analog Data page, click the Download Data Icon. It looks like a computer diskette. This opens the sample data file. The data will have the following appearance: The data starts with a header line.
Page 112 Controlling the Particle Counter with Browser Software Click anywhere on the Stored Data Deletion Icon. The Lasair II particle counter will require confirmation that you really want to delete all of the stored data records. NOTE: A message that reads: “Unable to gain control of the instrument at this time.
Page 113: Setup Windows
Chapter 7: The “Used:” line of the storage indicator will be zero, indicating that all records have been deleted. Setup Windows To open the Setup page, click on the Escape button Page 7-18 Lasair II Particle Counter Operations Manual...
Page 114 Controlling the Particle Counter with Browser Software The web browser Setup page is different from the setup screens on the Lasair II particle counter in a few important ways. • Radio buttons: the options on setup windows are chosen by activating the radio button associated with the choice.
Page 115: Location Name Setup Window
Chapter 7: • Setting the time or volume: Use the increment button or click in the data area and type. Click on the clock icon to activate the time field Hours, minutes, Seconds. The Undo Button resets all values to their previous settings, if you click it before clicking the Enter Button.
Page 116 Controlling the Particle Counter with Browser Software a-z lower case A-Z upper case The underscore character: _ A blank A single Lasair II particle counter will accept a maximum number of 200 location names. Save the file as “Text Only”. The file will have the appearance of the following example: Lab A Point1 Lab A Point2...
Page 117: Considerations For Minilaz Replacement Use
Chapter 7: Click on the “Transfer locations from Lasair II to a File” icon. On the command bar, click File > Save As..., and specify the location and file name of the file to hold the data. Considerations for MiniLaz Replacement Use •...
Page 118: Chapter 8: Statistics Mode
Chapter 8 Statistics Mode This chapter describes setup and operation of the Lasair II particle counter for use with certification statistics. When used for that purpose, it is said to be in the Statistics Mode. If you want to use the particle counter for routine sampling, see chapter 4, “Setup”...
Page 119: Statistics Mode Screens
Chapter 8: Statistics Mode Statistics Mode Screens • Statistics Setup Screen: this screen is where you select the type of statistics you wish to collect, set the appropriate parameters for the statistical method, and enable or disable the Lasair II particle counter statistical mode. •...
Page 120: Cleanliness Standards
Cleanliness Standards Cleanliness Standards The standards tables are reproductions of the targets for each of the international standards supported by the Lasair II particle counter. The blank areas of the tables represent invalid settings. For example, the ISO 14644-1 standard does not allow certification of a class 1 cleanroom using a 0.3+ µm particle size.
Page 121: Eu-Gmp Standard
Chapter 8: Statistics Mode Tel: 0101 708 255 1561 Fax: 0101 708 255 1699 e-mail: Publicationsales@iest.org or iest@iest.org Web Site: www.iest.org EU-GMP Standard The EU-GMP standard is similar to the ISO-14644 standard. This standard is based on the document “EU Guide to Good Manufacturing Practice; Revision to Annex 1.”...
Page 122: Fs-209E Standard
Cleanliness Standards FS-209E Standard The document, FED-STD-209E (11 September 1992), was used when designing the FS-209 module, and only the classes specified in the document’s tables have been implemented. If the number of locations is less than five, the number of samples required at each location is increased to a minimum of five samples.
Page 123: Table 8-3: Fs-209 Class Standards
Chapter 8: Statistics Mode Table 8-3: FS-209 Class Standards Maximum Particles Per Unit Volume Class 0.1μ 0.2μ 0.3μ 0.5μ 5.0μ Englis 75.7 30.9 10.0 1,240 35.3 1.00 3,500 12,40 2,650 1,060 10.0 35,00 7,570 3,090 1,000 26,500 10,60 3,530 75,700 30,90 10,000 1,000...
Page 124: Bs-5295 Standard
Cleanliness Standards BS-5295 Standard The document, BS 5295 (1989), was used when designing the BS 5295 module, and only the classes specified in the document’s tables have been implemented. The Lasair II particle counter does not support intermediate class sizes or intermediate particle sizes.
Page 125: Alarms In Statistical Mode
Chapter 8: Statistics Mode Alarms in Statistical Mode When the statistics mode is enabled, global alarms are automatically disabled. They can, however, be manually enabled while in statistics mode. When the statistics mode is disabled, global alarms will not be automatically re- enabled.
Page 126: Hierarchy Of Screens In Statistical Mode
Hierarchy of Screens in Statistical Mode Hierarchy of Screens in Statistical Mode The Lasair II particle counter uses a hierarchy of setup screens and displays. When familiar with the hierarchy, you can navigate the screens and displays with greater ease. Take some time to access the different screens so that you can build a picture of the layout.
Page 127: Statistics Setup Screens
Chapter 8: Statistics Mode Statistics Setup Screens The Statistics Setup screen is where you will make the settings for the standard you will be using and the area you will be sampling. The Statistics Setup Screen has two pages, the Main page and the Setup page. To open the Statistics Setup Screen: From the Main Display screen, press the Sampling Setup icon...
Page 128: About Location Names Or Numbers
Statistics Setup Screens Units: Determines the unit of measure and may be preset depending on the standard chosen. FS-209E or Average allow the choice of feet or meters. ISO-14644-1, EC-GMP, and BS-5295 standards force the use of meters. +1, +2, +3... Auto Increment. When this check box is filled, the Lasair II particle counter automatically changes the location when sampling at one location is complete.
Page 129: Statistics Setup-Setup Screen
Chapter 8: Statistics Mode Statistics Setup-Setup Screen Figure 8-2: Statistics Setup Screen - Setup Page μ Select the particle size for the ISO-14644-1 standard, FS-209 standard, or the averaging function. This field is not selectable when either the BS-5295 or EC- GMP or EC-GMP &...
Page 130: Statistics Mode Operation
Statistics Mode Operation Statistics mode disable-enable. Select O to disable the statistics ❙ mode. Select to enable the statistics mode. Once the statistics mode is enabled, it will be maintained throughout power cycles until it is disabled in the Statistics Setup or Statistics Results screen.
Page 131: When Sample Acknowledge Is Activated
Chapter 8: Statistics Mode The location that will be sampled next. Indicates statistics Indicates statistics mode mode Figure 8-3: Main Display Screen when Statistics Mode is Enabled Press the green Start button on the control panel. The pump begin to circulate air through the unit.
Page 132: Using Auto-Incrementing
Statistics Mode Operation Press the Enter key to accept the sample or use the right arrow button to move to “No” and then press the Enter key to reject the sample. Rejected samples are labelled as invalid and are not used in calculations. However, they are still stored in memory and printed on the final report.
Page 133: When Using Auto-Selection Of User-Created Location Names - -8-16
Chapter 8: Statistics Mode NOTE: If auto-incrementing location names is not being used, ensure that there are enough locations names to enable each sample location to have its own unique name. there insufficient location names, the Lasair II particle counter will display an error message and default to Auto-incrementing of Lasair II-generated location numbers.
Page 134: When Not Using The Auto-Increment Mode
Observing Statistical Results When Not Using the Auto-increment Mode If you have not enabled auto-increment, the following dialog box will be displayed when sampling is completed at a location: To select the next location name and continue sampling: Press the Enter button to close the Statistics Update dialog box.
Page 135: Statistics Summary Screen
Chapter 8: Statistics Mode Statistics Summary Screen The Statistics Summary screen displays settings, progress, and the cumulative result of completed samples. Figure 8-4: Statistics Summary Screen The following data is displayed on the Statistics Summary screen. Table 8-5: Statistics Summary Screen Data Data Definition ISO 14644/ISO 9...
Page 136: Statistics Summary Screen Softkey Function
Observing Statistical Results Table 8-5: Statistics Summary Screen Data (Continued) Data Definition Max: Maximum concentration of all sampled locations S.D: Standard Deviation S.E.: Standard Error. Statistics Summary Screen Softkey Function Stop statistical sampling and exit the statistical mode. A pop-up dialog box will ask for confirmation of this action.
Page 137: When All Samples Are Complete
Chapter 8: Statistics Mode The name of the location The number of samples collected at a sampled location. These numbers are colored red if there are insufficient samples. Click these softkeys to see the previous 10 records or the next 10 records.
Page 138: Interrupting A Sample
Interrupting a Sample Interrupting a Sample To turn sampling OFF: Press the red Pump Stop Button on the left side of the control panel. Sampling may be stopped before the sampling sequence is completed. When stopped before completion, the sample data run will be marked invalid if the sample volume is less than the required minimum.
Page 139: Printing A Statistics Report
Chapter 8: Statistics Mode Use the left-arrow key to navigate to the Yes button and then press the Enter key. Printing a Statistics Report The Lasair II particle counter can print a report with details of the sampling results. To print a sampling report: Press the Statistics Print icon softkey.
Page 140: Printout And Legend
Printing a Statistics Report This dialog box enables selection of particle size channels to print in addition to the size(s) used in the sample setup. The additional channels are not used for determining clean-room qualification and are not necessarily statistically valid. The report lists the supplemental data after the normal statistics printout.
Page 141 Chapter 8: Statistics Mode Printout Legend Line Text or Data Description Type of statistical report ISO 14644 Cleanroom classification being tested ISO 8 μ Size of key particle The date the first statistics sample was taken (yyyy/ 2003/11/11 mm/dd) Time the first sample was taken 14:08:24 Lasair II particle counter’s model number LASAIR II-310...
Page 142: Invalid Sample Data
Printing a Statistics Report Invalid Sample Data Invalid data are not used in calculations NOTE: However, they are saved with the other sample records. The condition of the data: VALID, INVALID, or INCOMPLETE. INVALID (or VALID) A sample is made invalid by one of the following conditions: •...
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Page 144: Chapter 9: Recipes
Chapter 9 Recipes A recipe is a set of sampling or statistics parameters which can be saved and recalled to aid in instrument setup. A recipe may be loaded either explicitly by name, or implicitly by attaching a recipe to a location name, and then setting the instrument to that location.
Page 145: Statistics Recipe Data
Chapter 9: Recipes • Number of Samples • Continuous Sampling (ON/OFF) • Group Repeat Mode (ON or OFF) • Sample Units (CFM or cubic cm per minute) • Data Display (raw or normalized) • Auto-Print Sample • Auto-Print Sample Average (for two or more samples). •...
Page 146: Information Not Saved For A Statistics Recipe
Recipe Setup Screen • Class: (Except for Average) • Auto-Increment Location (On/Off) • Sample Acknowledge (On/Off) • Sample Location Type (Names/Numbers) • Particle Size (Except BS-5295) • Flow: (Uni-directional/multi-directional) (FS-209E only) • Room Area (Except Average) • Number of Locations to Sample •...
Page 147: Recipe Setup Screen - Setup Page
Chapter 9: Recipes Recipe Setup Screen - Setup Page Use this screen to create, delete, and print recipes. See Figure 9-1, “Recipe Setup Screen, Setup Page,” on page 9-5. Control buttons are as follows: This button loads the highlighted recipe into the current settings for the Lasair II particle counter.
Page 148: Recipe Names
Recipe Setup Screen Recipe Names Recipe names may be up to 16 characters. The following characters are illegal in recipe names: \, /, *, ?, “, <, >, :, and |. Figure 9-1: Recipe Setup Screen, Setup Page Figure 9-2, “Setup Screen, Locations Page,” on page 9-7, shows the location association page of the Recipe Setup Screen.
Page 149: Editing Recipes By Means Of The Web Server Feature
Chapter 9: Recipes NOTE: If the list of recipe names are in two colors, the cyan colored names are for sample recipes and the purple colored names are for statistical recipes. Select the desired recipe, and hit the blue enter key. The recipe you have chosen will appear alone to the right of the associated location name.
Page 150: Loading And Using Recipes
Loading and Using Recipes Figure 9-2: Setup Screen, Locations Page Loading and Using Recipes Loading a recipe makes it the active set of sampling or statistical parameters. Recipes can either be loaded explicitly from the Recipe Setup Screen, or implicitly by selecting a location which has a recipe tied to it.
Page 151: Using Recipes With Different Lasair Ii Models
Chapter 9: Recipes Figure 9-3: Sample Setup Screen with Password Protection Using Recipes with Different Lasair II Models The Lasair II particle counter can load recipes which were initially created on instruments with different size channels. However, there are some issues to consider: When loading a sample recipe from a different instrument, the Lasair II will attempt to set the particle alarms based on the original instrument.
Page 152: Recipe Use With The Web Server (Using Internet Explorer)
Recipe Use with the Web Server (Using Internet Explorer) Recipe Use with the Web Server (Using Internet Explorer) Using the Web Server is similar to using the front panel for using and managing recipes. Figure 9-4 shows the Web page for recipe setup. This page combines both setup pages from the front panel.
Page 153: Uploading And Downloading Files
Chapter 9: Recipes Uploading and Downloading Files A second recipe setup page, is devoted to uploading and downloading files. Figure 9-5, shows the “Transfer Files” page. To open the Unloading-Downloading page: From the Recipes web page, click on the diskette icon. The following three files can be uploaded and downloaded from this page: Location name files: The location file is a text file with each line containing a single location name.
Page 154: Figure 9-5: Recipe File-Transfer Web Page
Recipe Use with the Web Server (Using Internet Explorer) associated recipe will be removed from the location. This file can be edited using a text editor or Excel, and then saved as a CSV file. Figure 9-5: Recipe File-Transfer Web Page Lasair II Particle Counter Operations Manual Page 9-11...
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Page 156: Chapter 10: Maintenance
Cleaning and Disinfecting The Lasair II particle counter is designed to be easily cleaned with common cleaning chemicals. Particle Measuring Systems has also performed compatibility testing with cleaning and disinfecting agents commonly used in manufacturing environments. See the following sections for details about: •...
Page 157: Cleaning Method
• Formaldehyde in a solution of less than 50 percent • Ethyl alcohol in a solution of less than 50 percent Call Instrument Service and Support at Particle Measuring Systems (1-800-557- 6363) for advice about other cleaning chemicals. Cleaning Method The Lasair II particle counter case is made of Kydex, a rugged plastic in the PVC family.
Page 158: Replacing The Paper Roll
Replacing the Paper Roll Remove the Temperature/Relative Humidity probe and place the shipping cap on the particle counter’s connection for the Temperature/Relative Humidity sensor. On the back of the Lasair II particle counter, place the shipping covers on the two D-sub connectors. There are no other covers for the connectors and openings on the back of the particle counter.
Page 159: Reconditioning The Battery
Your local waste authority will have information on return and collection systems in your area. For California consumers, contact Particle Measuring Systems, Customer Service Department at (877)-475-3317 for instructions on returning used, rechargeable batteries for reuse, recycling, or proper disposal at no cost.
Page 160: Calibration
Other Maintenance or Operational Problems For other maintenance, call Particle Measuring Systems first for advice and technical information at 1-800-557-6363. There is nothing within the Lasair II particle counter case that requires user maintenance.
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Page 162: Appendix A Troubleshooting
Appendix A Troubleshooting Particle Measuring Systems engineers have selected components, materials, and design elements that provide high reliability as well as superior function. Anything, however, can eventually fail. This chapter is for those times when something unexpected happens and you don’t know how to proceed.
Page 163 Appendix A: Troubleshooting When starting the particle counter, the software generates an audible tone to indicate a successful startup check. The lack of a tone means the Lasair II particle counter startup was not successful. Press the OFF button and then try restarting the Lasair II particle counter with the ON button.
Page 164 G. The Lasair II particle counter does not work on AC power. Try the following steps: Ensure that the power cable is firmly connected at the power source and at the Lasair II particle counter case. Have an electrician test the power cable to ensure it is not damaged. If you have bought the battery option, try running the Lasair II particle counter on battery power.
Page 165 Appendix A: Troubleshooting Open the battery enclosure cover and remove the battery. Look into the battery enclosure and remove any foreign material that is preventing a good battery connection. Clean the battery contacts with isopropyl alcohol and cotton swabs. If nothing is obstructing the battery connections, call Instrument Service and Support.
Page 166 Look at the scroll-down list and find the “pdrvlpen.dll” file. If the listed version number (to the right of “Label”) is LESS than 2.9.10 (that is, 2.9.08 or 2.9.07), call your Particle Measuring Systems representative or distributor. M.When attempting to use the web browser-to-Lasair II particle counter interface, you are blocked by a request for a password even though the password has been disabled on the particle counter.
Page 167: Getting Technical Support
Appendix A: Troubleshooting If using Internet Explorer, and web page won't load properly, press CTRL key while selecting “REFRESH” to force page reload over the network. P. Data Cannot be Erased Data cannot be erased while statistics mode is on. Data cannot be erased from the Web Server in the following conditions: •...
Page 168: Appendix B: Connecting To A Computer Or Network
Appendix B Connecting to a Computer or Network This appendix describes how to establish communications between the Lasair II particle counter and a computer. This involves setting up network parameters on the Lasair II particle counter and perhaps on the computer as well, if it is not already attached to the local network.
Page 169: Setting Up For Direct Web Browser Interface
Appendix B: Connecting to a Computer or Network • If you are connecting the unit to a hub or other device on an Ethernet network, use a straight-through Ethernet cable between the Lasair II particle counter and the hub as well as from the hub to the computer. Your IS/computer support personnel will be able to assist you in procuring a cable or fabricating a custom-length cable.
Page 170: Figure B-1: Comm Setup-Network Screen
Web Browser Interface Setting TCP/IP addresses for direct web browser interface: Start the particle counter (if necessary). From the Main Display Screen, navigate to the Comm Setup-Network screen. by pressing the Main Setup softkey and then the Comm Setup softkey Figure B-1: Comm Setup-Network Screen Press the Enter softkey to enable the edit mode.
Page 171 Appendix B: Connecting to a Computer or Network Mask Sets the net mask address in a form of . Each aaa.bbb.ccc.ddd 3-digit series is a value of 0–255, separated by a period (.). The mask must be unique to the network it serves. For example: 255.0.0.0. Gateway The gateway address is used when communicating across a different network.
Page 172 Web Browser Interface In the Configuration Tab, highlight the TCP/IP network component. NOTE: There may be more than one TCP/IP network component. Choose the one that corresponds to the network card. Select Properties. The TCP/IP Properties dialog box will open: Select the Specify an IP Address option.
Page 173: Setting Up For Web Browser Interface Over An Ethernet Network
Appendix B: Connecting to a Computer or Network NOTE: The IP address and netmask is required. If you need to set the Gateway address, you can do so from the TCP/IP Properties menu. See your System Administrator for the proper addresses. Multicast addresses are required when interfacing Lasair II particle counter with Facility Net.
Page 174: Appendix C: Downloading Data To Facility Net
Appendix C Downloading Data to Facility Net Overview Data on a Lasair II particle counter can be downloaded into Facility Net by means of either a Real-Time-Station or a Network Station. The following are the two types of downloading: • Case A: The Lasair II particle counter is used as a mobile monitor; data may come from multiple locations.
Page 175: Configuring To Communicate With Facility Net
Appendix C: Downloading Data to Facility Net Configuring to Communicate with Facility Net • Ensure that the Lasair II particle counter is not already connected to Facility Net (or to any other communications or control network). • Set the Lasair II particle counter to the unique IP address (i.e., Net Address and Mask) provided by your IT Dept.
Page 176: Configuring For Facility Net
Configuring for Facility Net Configuring for Facility Net Select Configure > Instruments Select , then select the tab. Add Network Enter the specific IP address in the Sensor IP Address field. Alternatively, click the Poll Multicast button; a list of available instruments will appear.
Page 177 Appendix C: Downloading Data to Facility Net • Determine whether or not to check “Remote Data: Auto Delete When Complete” (see Miscellaneous Notes below). • Enter the particle counter's serial number. The unique serial number of a Lasair II particle counter can be found its main setup display screen. Select OK - OK and accept all changes 5A-2 Immediately, Facility Net will do the following:...
Page 178 Configuring for Facility Net Case B: Real Time, Continuous Data Collection from A Single Location Set the sensor's name to “Lasair II.” 5B-1 5B-2 Select OK - OK and accept all changes 5B-3 Immediately, the Facility Net software will take control of the Lasair II particle counter and do the following: •...
Page 179: Miscellaneous
Appendix C: Downloading Data to Facility Net NOTE: If you have already configured Facility Net to download one Lasair II particle counter's data in one mode (say Case A), and you now need to use another Lasair II particle counter in the other mode (say Case B), then you will need to clear off selected settings before Facility Net will give you the right configuration box.
Page 180: Data Buffering
Miscellaneous Data Buffering If the computer system goes down while data are being downloaded from the Lasair II particle counter, it would be quite easy to lose these data. As protection, the particle counter automatically retransmits up to 3000 recent data samples when it is configured to Facility Net, IF: •...
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Page 182: Appendix D: Tcp/Ip Protocol: A Brief Overview
Appendix D TCP/IP Protocol: A Brief Overview NOTE: This information is provided to help Lasair II particle counter users who are not familiar with TCP/IP protocol understand more about the Lasair II particle counter configuration process. It is not a substitute for the guidance of your network administrator.
Page 183: Ping
Appendix D: TCP/IP Protocol: A Brief Overview Ping TCP/IP systems can use a utility named PING (Packet InterNet Groper) to test station and network integrity. The TCP/IP-32 add-on protocol for Microsoft Windows for Workgroups 3.11 includes a PING function that must be run from a Windows DOS window.
Page 184: Appendix E: Comma Separated Value (Csv) Format
Appendix E Comma Separated Value (CSV) Format With this file format, you can properly label the value headings. The following items are numbered in the order that they will appear in the CSV file. The CSV file, however, will not include the order numbers. CSV Value Format and Description Ref.
Page 185 Appendix E: Comma Separated Value (CSV) Format CSV Value Format and Description (Continued) Ref. Data Description Sample Valid: The sample will be declared invalid if the laser current is bad during the sample, or if the sample flow falls outside the 5% ISO limit, or if the user invalidates the sample manually (only under statistics mode).
Page 186 CSV Value Format and Description (Continued) Ref. Data Description Avg 1: Average value for channel. Internally the box will save the data as a 10 bit integer, and then apply the scale and offset when dumping the data. Min 1: Minimum value for channel. Stored internally as a 10 bit integer. Max 1: Max value for channel.
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Page 188: Appendix F: Pms Multi-Drop Protocol (Minilaz Emulation
Appendix F PMS Multi-Drop Protocol (MiniLaz Emulation) This protocol is designed to be used on an RS-485 based system, with multiple individually addressable instruments. All communications are polled with a sensor address. The host program must take care of querying the unit for data. RS-485 communications require an external RS-232 to RS-485 converter.
Page 189: Multi-Drop Command Coding Overview
Multi-Drop Command Coding Overview Commands in the PMS protocol are formatted in the following manner. For users wishing to write their own drivers, basic communication routines are available from Particle Measuring Systems. Formatting Command Codes To properly format a command code: Add the address of the instrument to the beginning of the command string.
Page 190: Multi-Drop Commands
Multi-Drop Command Coding Overview Multi-Drop Commands CCAL Response: "RCAL yyyy/mm/dd" Returns the last calibration date. (A Lasair II particle counter should be calibrated at least once a year). CCONT n Response: “ ” RCONT m CDELAY sec Response: “ ” RDELAY sec This is a backward compatible command.
Page 191 Appendix F: PMS Multi-Drop Protocol (MiniLaz Emulation) Lock/unlock the keyboard (1/0). If the keyboard is not locked, the instrument can be stopped or controlled from front panel. CNOS nnn Response: “ ” RNOS mmm Set total number of samples. Setting to -1 causes continuous sampling.
Page 192: Multi-Drop Ctd Command Data Format
Multi-Drop Command Coding Overview Transmit Lasair II particle counter CSV packet. The packet is broken into several lines. The time stamp is at the end of the sample. CTIM secs Response: “ ” RTIM secs Set sample time in seconds. Sets sampling to “by time”. Does not change sample units.
Page 193: Multi-Drop Ctd2 Command Data Format
Appendix F: PMS Multi-Drop Protocol (MiniLaz Emulation) Channel 5 Raw Differential Counts C5 ######## Temperature (Degrees F) TM ###.## Relative Humidity (percent) RH ###.## Multi-Drop CTD2 Command Data Format The data format for the CTD2 command is essentially the CSV format with several characters inserted.
Page 194: Appendix G: Native Serial (Rs-2332) Communications
Appendix G Native Serial (RS-2332) Communications The Lasair II particle counter native communications mode is a simple, RS-232 point-to-point protocol, with no addressing or checksum overhead. It can be used with a simple terminal emulator program, or be used as a basis for instrument control.
Page 195: Lasair Upgrade Information
Appendix G: Native Serial (RS-2332) Communications A command failed due to other circumstances. The most likely cause is Error that the serial interface did not execute the “ ” command to lock-out keyboard KB 1 control, and someone is using the front panel controls. This message can also be caused by a parameter out of range.
Page 196: C Commands
C Commands C Commands Supported C Commands C 0 yy Set Date-Year. Two digit year C 1 mm Set Date-Month C 2 dd Set Date-Day C 3 hh Set Time-Hour. Use 24 hour format. C 4 mm Set Time-Minute C 5 sec Set Time--Second C 6 id_string Set Instrument ID C 7 num Set Number of Samples C 8 hh Set Sample Time-Hour.
Page 197: Unsupported C Commands
Appendix G: Native Serial (RS-2332) Communications C 23 chan max Set Analog 20 mA value. Set user analog channel maximum engineering unit value. C 24 chan units Set Analog Units. Set name for analog channel units. C 25 chan [1/0] Enable/disable analog channel C 32 hh Set Purge Delay Time Hours C 33 min Set Purge Delay Time Minutes...
Page 198: C Command Table Format
C Commands Time Series Channel Manifold Sequence Enable Manifold Sequence Length Alarm Count Port Num. Search Length Hours Mixed Air Alarm Enable Mixed Air Alarm Print Search Alarm Print On/Off C Command Table Format These commands are from the C command above. All of these commands are redundant, and are provided for users of existing Lasair II particle counters who want to simplify their upgrade path.
Page 199: Command List
Appendix G: Native Serial (RS-2332) Communications Command List All commands are case insensitive. Text variables in commands do retain capital and lowercase letters. AALARM [T,R,n],min,[1/0],max,[1/0] Set analog alarm for specified channel. Channel is 1–4 for user analog inputs, or for temperature, or for rh.
Page 200 Command List Enable or disable global alarm setting. When disabled, all alarms GALARM [1/0] are off. When enabled, individual alarm settings are in effect. Set instrument identification using maximum of 16 cccccccccc characters. Check if instrument control is available. The Lasair II particle counter ISAVAIL has multiple methods of communications, as well as the front panel control.
Page 201 Appendix G: Native Serial (RS-2332) Communications Particle alarms are internally modified depending on sampling parameters. If the box displays data in a normalized output, then this is not an issue. Otherwise, changing the sample size (either by time or volume) will ratio-metrically change the alarm setting.
Page 202: Serial (Rs-232) Output Format
Serial (RS-232) Output Format Transmit data sample n. Sample n must be a valid sample. The variant “ TN n ” is equivalent to . Data is sent in standard CSV format. Set particle volume units to either feet } or meters ).
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Page 204: Appendix H: Pharmaceutical (Two-Channel) Output Mode
Appendix H Pharmaceutical (Two-channel) Output Mode To support some pharmaceutical applications, the Lasair II particle counter can be configured to display and print 0.5 μm and 5.0 μm channels only. LCD Screen Output While the Pharmaceutical Two-channel mode is enabled, the Data Table Screen will display only 0.5μm and 5.0μm channel cumulative count data.
Page 205: Figure H-1: Comm Setup, Network Dialog Box
Appendix H: Pharmaceutical (Two-channel) Output Mode Enable the edit mode and place a check mark in the Enable TCP/IP check box. Figure H-1: Comm Setup, Network Dialog Box Click on the Screen Select icon softkey until the Comm Setup-Data dialog box opens.
Page 206: Serial Number Output To Pharmaceutical Net
Serial Number Output to Pharmaceutical Net Press the Return Arrow icon softkey to save the check box status and exit the Edit mode. All applicable output will include 0.5μm and 5.0μm data only. NOTE: If the TCP/IP setting is not selected, the LCD will display two channels but it will also report all six channels to Pharmaceutical Net.
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Page 208: Appendix I: Usb Host Port
Appendix I USB Host Port The USB host port may be used to either: a) save sample data to a FLASH key device in CSV file format OR b) support a USB keyboard. Supported USB Devices The USB host port supports either of the following devices: •...
Page 209: Unsupported Usb Devices
Appendix I: USB Host Port NOTE: FLASH Keys not listed in the preceding table may not work. Unsupported USB Devices • USB hub devices • memory card readers Using a USB Keyboard USB keyboards are plug-and-play. In other words, when connected to the USB port, the keyboard is immediately ready for use without any set up.
Page 210: Figure I-2: Usb Filename Pop-Up Dialog Box
Copying Sample Data to a USB FLASH Key If the key is compatible with the USB feature, the USB icon will appear. Otherwise, no USB icon will appear. See Table J-1 or call Particle Measuring Systems. Press the USB icon softkey.
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Page 212: Appendix J: 4-20 Ma Input And Output
Appendix J 4-20 mA Input and Output 4-20 mA Input Up to four optional sensors can be connected to Lasair II particle counter’s 4–20 mA connector (type DB15F) on the rear of the case. Use this appendix to find the following information: Cable Pin-outs Standard PMS Cable...
Page 213: 4-20 Ma Input Setup Values
Appendix J: 4-20 mA Input and Output 4-20 mA Input Setup Values Scale = Total range ÷ 16 Offset = Minimum value Units = Unit of measure Examples of Setup for Each Accessory • Temperature English Metric Range 0–100°F -5 to 55°C Scale 6.25 3.75...
Page 214: 4-20 Ma Output
4-20 mA Output 4-20 mA Output Lasair II particle counter (software version 1.4.0 or newer) supports 4-20 mA output. This feature is enabled and configured from the 4-20 mA Out Setup Screen. NOTE: Use of this feature requires that an optional 4-20 mA board be installed in the unit.
Page 215: 4-20 Ma Output: Setup Screen Parameters
Appendix J: 4-20 mA Input and Output 4-20 mA Output: Setup Screen Parameters Table J-1: Setup Screen Parameters Field or Icon Name and Function Enable/Disable Scale Maximum output counts per channel Update continuously Update at end of sample Display differential counts Σ...
Page 216 4-20 mA Output Press the Enter softkey again to activate the Field Edit Mode. The numbers in the field will turn blue and a blinking cursor will appear. Use the Up, Down, Right, Left, Delete , and Insert softkeys to enter the value you want in the field.
Page 217: 4-20 Ma Output Connector Wiring And Channel Definitions
Appendix J: 4-20 mA Input and Output 4-20 mA Output Connector Wiring and Channel Definitions Table J-2: 4-20 mA Output Channel Output Return Definition Channel 1 Status and alarm information Channel 2 Manifold position Channel 3 Particle channel 1 (smallest size) Channel 4 Particle channel 2 Channel 5...
Page 218: 4-20 Ma Out Particle Channel
Channel Particle Scale Considerations 4-20 mA Out Particle Channel The status channel can be examined either as a single level check, or as bit mapped error bits. In the simplest test, the output will be 18.25 mA if the box is on, no alarms are set, and sampling is taking place.
Page 219 Appendix J: 4-20 mA Input and Output • If a channel is set to 1000 for the scale, then the readings will be within 10 counts (i.e. 1%). • The minimum detectable change is about 2 counts (i.e., 1000/(16 mA/0.025 mA) or 1.56).
Page 220: Appendix K Accessories And Supplies
Appendix K Accessories and Supplies Replacement Part or Accessory Part Number Replacements for Standard Parts Printer paper (3 rolls) 1000000975 Sampling probe, standard, horn only (1 CFM instruments only) 1000000970 Sample tubing, 3/8-inch ID, poly MI153 Zero count filter 90104019 Spare fuse, 0.5 A 5 ×...
Page 221: Battery Disposal
Your local waste authority will have information on return and collection systems in your area. For California consumers, contact Particle Measuring Systems, Customer Service Department at (877)-475-3317 for instructions on returning used, rechargeable batteries for reuse, recycling, or proper disposal at no cost.
Page 222: Appendix Lhhipa
Appendix L HHIPA For users who prefer the beep mode to be controlled at the probe, the Hand-Held Isokinetic Probe (Audible) (HHIPA) is a sampling probe with an LED activity indicator and audible alarm. The Lasair HHIPA model is: HHIPA Model Flow Rate HHIPA-A-1.0- 1.0 CFM...
Page 223 Appendix L: HHIPA Turn the instrument on and begin sampling with the HHIPA thumbwheel switch set to “0”. When a leak is found, adjust the thumbwheel switch until you can count the number of flashes/beeps per second to get a rough idea of the severity of the leak.
Page 224: Appendix M Touch Ram
Appendix M Touch RAM Touch RAM buttons are a hardware alternative to sampling recipes. A small metal memory button is programmed with sampling parameters and a location name. This is done by setting the desired sampling plan in the Lasair II particle counter, then using the touch-wand to write this information to a memory chip in a data storage button.
Page 225: Touch Ram Button Formats
Appendix M: Touch RAM Touch RAM buttons are a hardware alternative to sampling recipes. A small metal memory button is programmed with sampling parameters and a location name. The button can be permanently attached to the wall near a sample point location. When the button is read with a special wand reader, the sampling parameters and location information are loaded into the Lasair II particle counter, eliminating the need to manually enter the data.
Page 226: Writing Touch Ram Buttons
Writing Touch RAM Buttons To read a Touch RAM button: Attach the Touch RAM wand to the RS-232 connector. Position and hold the Touch RAM wand over the button. The button should fit inside the receptacle on the wand. If the Lasair II particle counter is running, it will stop sampling. A dialog box will appear on the screen indicating the name of the new location to load.
Page 227: Compatibility With Minilaz Buttons
Appendix M: Touch RAM Compatibility With MiniLaz Buttons The Lasair II particle counter is compatible with MiniLaz TouchRAM buttons, but there are some differences. In general, buttons written by the MiniLaz can be used by the Lasair II particle counter. When a Lasair II particle counter format button is scanned by a MiniLaz, it is ignored.
Page 228 TouchRAM Button Data Format TouchRAM Button Data Format The following data is written on Lasair II particle counter buttons: [ANALOG_SETUP_PARAMETERS] This group is not supported in recipes T_RH ENABLED TRH_UNITS Analog1_Enabled Analog3_Enabled Analog2_Enabled Analog4_Enabled [SAMPLING_SETUP] InterSampleDelay SampleTime Number_Of_Samples Sample_Normalized Continuous sampling Location mode SampleVolumeCF or CM Enable_Sample_By_Time SamplePurgeTime...
Page 229: Particle Alarms And Touch Ram Buttons
Appendix M: Touch RAM Particle Alarms and Touch RAM Buttons When reading a button with the Lasair II particle counter, ensure that the button was written with a Lasair II particle counter instead of another monitor. Particle alarms are written and read in the buttons for each channel. A Lasair II particle counter’s reading alarm settings based on a Lasair II particle counter 510 will set the alarms on a channel by channel basis.
Page 230: Setting The Tcp/Ip Address In A Touch Ram Button
Rules for Reading Touch RAM Buttons Setting the TCP/IP Address in a Touch RAM Button Figure M-2, below, shows the Lasair II Particle Counter Comm Setup Screen. The “Serial” page shown in the left side sets the function of the serial port. To read and write Touch RAM buttons, “TouchRAM Read/Write”...
Page 231: Figure M-3: Notification Allowing New Tcp/Ip Address
Appendix M: Touch RAM ➢ If old data is in the particle counter, then an error message says: “TouchRAM conflict. Data on box must be erased before loading new TCP/IP address”. TouchRAM information is not loaded. See Figure M-4, “Notification to Delay TCP/IP Change,”...
Page 232: Setting Tcp/Ip Address With A Touch Ram Button
Older Touch RAM Buttons Setting TCP/IP Address with a Touch RAM Button Touch RAM buttons with TCP/IP address do not contain all network parameters used by the Lasair II particle counter. In particular the feature has the following limitations: • It does not set a Gateway. •...
Page 233 Appendix M: Touch RAM • TouchRAM Adaptors – A set of adaptors that allow the cable on the end of the wand to be plugged into the Lasair II particle counter’s RS-232 outlet. The cable provides power to the TouchRAM wand and also carries data from the wand to the Lasair II particle counter (or vice versa).
Page 234: Appendix N: International Precautions
Appendix N International Precautions WARNING This instrument is a Class I laser product. Use of controls, or adjustment, or performance of procedures other than those specified here may result in hazardous radiation exposure. AVERTISSEMENT Cet instrument contient un laser de Classe 1. L'usage de moyens ou procédures, ou la pratique de certains réglages autres que ceux prévus dans ce manuel peuvent entrainer des risques d'exposition aux radiations laser.
Page 235: Hazard Symbols
Appendix N: International Precautions Hazard Symbols The meaning of hazard symbols appearing on the equipment is as follows: Symbol Nature of Hazard Attention, consult accompanying documents. Dangerous High Voltage Symboles de risque Des symboles représentant les risques sont placés sur l'appareil. Leur signification est la suivante: Symbole Nature du risque...
Page 236: Warnschilder
Warnschilder Warnschilder Die, an dem Gerat angebrachten Warnschilder haben folgende Bedeutungen: Symbol Gefahrenart Achtung! In den beiliegenden Unterlagen nachschlagen Achtung Hochspannung Simboli di pericolo Il significato dei simboli di pericolo che appaiono sugli strumenti il seguente: Simbolo Natura del pericolo Attenzione.
Page 237: Simbolos De Peligro
Appendix N: International Precautions Simbolos de peligro Los simbolos de peligro que aparecen en el equipo significan: Símbolo Naturaleza del Peligro Atención, consultar los documentos adjuntos. Peligro alto voltaje. Page N-4 Lasair II Particle Counter Operations Manual...

This manual is also suitable for:

Lasair ii 550l Lasair ii 310a Lasair ii 310b Lasair ii 510a Lasair ii 310 Lasair ii 325 ... Show all

Particle Measuring Systems LASAIR II 350L Operation Manual

Chapter 1: Getting Started

Chapter 2: Unpacking and Installation

Chapter 3: Controls and Displays

Chapter 4: Taking a Quick Sample-Software Version 2.0

Chapter 5: Setup

Chapter 6: Operation

Chapter 8: Statistics Mode

Chapter 9: Recipes

Chapter 10: Maintenance

Appendix A Troubleshooting

Appendix B: Connecting to a Computer or Network

Appendix C: Downloading Data to Facility Net

Appendix D: TCP/IP Protocol: a Brief Overview

Appendix E: Comma Separated Value (CSV) Format

Appendix F: PMS Multi-Drop Protocol (Minilaz Emulation

Appendix G: Native Serial (RS-2332) Communications

Appendix H: Pharmaceutical (Two-Channel) Output Mode

Appendix I: USB Host Port

Appendix J: 4-20 Ma Input and Output

Appendix K Accessories and Supplies

Appendix Lhhipa

Appendix M Touch RAM

Quick Links

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Summary of Contents for Particle Measuring Systems LASAIR II 350L