MODEL 212 PROFILER - Met One Instruments
Contents
1. GND LPC PLENUM CHAMBER COARSE FILTER ES EXIT 6V FILTER MAS PUMP gt 2um FLOW RH TEMP Flow SENSOR SENSOR SENSOR MET ONE INSTRUMENTS 212 Flow Diagram 212 9800 RevE Page 23 of 232. The Terminal service begins by displaying the Unit ID number the Model number and the firmware version revision number 12 9720 3624 01 R1 9 0 5 2 Terminal Commands Command Description H Display the Help menu 12 9720 3624 01 R1 9 0 This Help menu Set to Single sample Set to Repeat sampl Stop command Start command Set Flow offset Set Sample Time Set RH Set Point eXit terminal mode oO xDHONnODOK AH Cc Set the unit to operate in Single sample mode The unit will run for 1 sample cycle and stop The sample time sets the length of the sample cycle Y Set the unit to operate in Repeat sample mode Repeat mode repeats the sample cycle until a stop Q is issued The sample time sets the length of the sample cycle 212 9800 Rev E Page 17 of 23 Quit sampling 9 R Report or set the RH set point To report the current RH set point setting send R lt CR gt where lt CR gt is the ASCII carriage return 0x0D character To set the RH set point setting send R x lt cr gt where x is the RH set point in The range is 0 to 100 S Start sampling in the Single or Repeat sample mode Data is reported at the end of each sample cycle The report output is useful for capturing data to a CSV type file A typical report output follows Time units are in seconds since the unit was powered up Time 1 0 49 2 0 70 3 1 00 4 2 00 5 2 50 6 5 00
3. 4 3 Specifications Model Number 212 Measuring Principle Counts individual particles using scattered laser light and calculates the size by amplitude of scattered light Measurement Ranges Counter Concentration Range 8 channels that are preset in the range of 0 5um to 10um 0 3 optional 0 9 000 000 particles per cubic foot Sensitivity 0 3um Counter Model 212 2 0 5um Model 212 1 Accuracy 10 to calibration aerosol Sample Air Flow Rate 1 LPM Sample Interval 1 60 Seconds Operating Temperature Storage Temperature 0 to 40 C 40 to 80 C Power 12 VDC average operating current 180 mA Maximum is 240mA with no inlet heater Inlet heater 12 VDC additional 750 ma Size Diameter 4 Length 7 5 12 for inlet tube Weight 4 Ibs Communications RS 232 or special ordered RS 485 selectable full or half duplex Serial Settings Supplied Accessories Optional Accessories Baud 9600 8 data bits no parity and 1 stop bit Operation Manual 212 9800 Signal Power Cable 80347 Profiler Utility Software package 9777 TSP Inlet head 9441 Standard mounting post Power supply 510645 with power cord 400100 Tripod 970650 212 9800 Rev E Page 15 of 23 4 4 Applications Because the Model 212 has many features and can be configured in many ways it is finding use in a broad range of applications e Clean room
4. 7 7 00 8 10 00 Alarms Flow lpm AT C BP mmHg RH 2540 5563 2755 942 114 39 22 16 0 0 2600 5551 2743 972 135 47 29 17 1 0 2660 5385 2662 898 131 50 28 20 1 18 2 8 23 1 760 2 23 The Alarms value is determined by adding up the values of failed conditions For example if the Alarms value is 18 then the Laser Calibration and Temperature Sensor have failed Fail Condition Value Non Volatile Memory 1 Laser Calibration 2 Vacuum Pump 4 Air Filter 8 Temperature Sensor 16 Pressure Sensor 32 The Non Volatile Memory fails when the factory calibration settings are lost The unit must be returned to the factory for recalibration The Laser Calibration fails when the laser has run for more than 8760 hours The Vacuum Pump fails when the pump runs for more than 6000 hours It also fails if the pump control is at a maximum and the flow rate is less than 1 0 lpm The Air Filter fails when the pump control is at a maximum The Temperature sensor fails when the reading is less than 30 0 C or greater than 50 0 C The Pressure sensor fails when the reading is less than 600 mmHg and greater than 772 mmHg The Flow AT BP and RH readings only appear if the Profiler Utility software Report settings have been configured and your hardware has been equipped with these sensors O Report or set the flow system calibration offset To report the current flow offset setting send O lt CR gt where lt CR gt
5. is the ASCII carriage return 0x0D character To set the sample time setting send O x x lt cr gt where x x is the flow offset The range is 4 0 to 4 0 Ipm T Report or set the sample time To report the current sample time setting send T lt CR gt where lt CR gt is the ASCII carriage return 0x0D character To set the sample time setting send T x lt cr gt where x is the sample time in seconds The range is 1 to 3600 seconds 1 hour X Exit Terminal mode and return to Modbus mode 212 9800 Rev E Page 18 of 23 6 Inlet Flow Calibration 6 1 Flow overview See appendix 2 The 212 operates with an inlet flow of 1 0 LPM liters per minute The inlet air flow is surrounded by a stream of clean air referred to as sheath air This sheath air keeps the particles from leaving the sample flow stream This helps keep the particles from depositing on the optics The flow rate of the sheath air is about 2 LPM This gives a total of 3 LPM leaving the optical particle detector OPD The sampled air plus sheath air is then passes through a filter and a pump After the pump some of the air is re filtered and returns back to the sheath air inlet on the inlet tube The remaining air is measured with a mass flow sensor and exits the 212 on the bottom of the unit NEVER BLOCK THE OUTLET PORT The outlet port is flush with the bottom of the unit and can easily be blocked with a sticker or ID tag The controlling electronics use
6. Laser Safety This product incorporates a laser diode based sensor that is a CLASS1 product as defined in 21 CFR Subchapter J of the Health and Safety Act of 1968 This applies when the instrument is used under normal operating conditions and with proper maintenance Service procedures performed on the sensor can result in exposure to invisible laser radiation Only a factory authorized person must perform service on this instrument The laser diode based sensor inside this instrument has a warning label on it as shown below 212 9800 RevE Page 7 of 23 2 Familiarization Figure 1 shows the inside of the 212 Profiler Heated Inlet Tube Laser Sensor Figure 1 212 Profiler Cover Removed 212 9800 RevE Page 8 of 23 3 3 1 Installation Additional Assembly 3 1 1 Attaching the Aluminum Inlet The 212 may be shipped without the aluminum inlet tube being attached to the sensor Units with the RH controlled inlet heater may come with the heater and inlet tube assembly pre installed Insert the aluminum inlet tube into the sample inlet of the sensor While doing so slightly rotate the aluminum tube until it s stopped by the sample inlet wall Connect the white plug from inlet tube to the matching connector from the 212 This is the connection for the heater on the inlet tube for heated units for non heated units this provides a ground path for the inlet tube Note It s very important to insert the aluminum tube
7. Safety Conformity The manufacture certifies that this product operates in compliance with following standards and regulations FDA CDRH This product is tested and complies with 21 CFR Subchapter J of the health and Safety Act of 1968 European Community CE Directive 72 23 EEC EN 61010 1 Safety IEC 60825 1 Ed 1 1 1998 01 EN 60825 1 W A11 1996 US 21 CFR 1040 10 Warranty Products manufactured by Met One Instruments Inc are warranted against defects in materials and workmanship for a period of 1 year from the date of shipment from the factory Offered products not manufactured by Met One Instruments Inc will be warranted to the extent and in the manner warranted by the manufacturer of that product Any product found to be defective during the warranty period will at the expense of Met One Instruments Inc be replaced or repaired and return freight prepaid In no case shall the liability of Met One Instruments Inc exceed the purchase price of the product This warranty may not apply to products that have been subject to misuse negligence accident acts of nature or that have been modified other than by Met One Instruments Inc Opening the particle counter e g removing the cover voids warranty Consumable items such as bearings are not covered under this warranty Other than the warranty set forth herein there shall be no other warranties whether expressed implied or statutory including warran
8. all the way Only then the O ring inside the sample inlet properly seals the inlet If the aluminum tube is not inserted completely the zero count test might fail due to ambient air leaking into the sample inlet O ring located inside inlet tube receptacle Close up view of inlet tube receptacle 3 1 2 Properly seating the heated inlet tube Loosen the grey nut at the top of the heated inlet tube assembly and slide the black rubber stopper towards the end 212 9800 Rev E Page 9 of 23 Slide stopper iki Inlet tube receptacle Slide rubber stopper back down install the hard plastic washer and the grey nut 212 9800 Rev E Page 10 of 23 3 2 3 3 3 1 3 Attaching the TSP Inlet to the Aluminum Inlet Note All units must be operated with the TSP inlet Slide the TSP Inlet on top of the aluminum tube of the inlet heater Picture of TSP on the left Not installed Site Considerations Choose a site free of any nearby trees or other objects Non uniform surroundings such as a nearby building create turbulence which may affect accuracy Mounting 3 3 1 The Model 212 has hardware features that enable them to be mounted on a variety of surfaces including a camera tripod a tower cross arm or a standard Met One wind sensor receiver Custom mounting can also be easily fabricated by the user Standard camera tripod The 212 can mount to many normal camera style tripods through the 4 20 threaded
9. monitoring verification and filter testing e Process control monitoring in sawmills grain elevators quarries etc e Mines and ore processing plants e Indoor and outdoor air quality studies e Finding leaks and sources of contamination air ducts and filtration systems e Concerned citizen groups that want to do their own air quality studies Hospitals and nursing homes Test the efficiency of residential air purifiers and vacuum cleaners Check filters for particle leaks Epidemiological studies Re entrainment studies 212 9800 RevE Page 16 of 23 5 Communication Services for 212 The 212 Profiler has two 2 types of serial communication services Modbus or Terminal mode The application program Profiler Utility uses Modbus This is the preferred method of configuration and operation of a 212 Profiler A Compact Disc Part Number 9777 is provided with each unit that contains the Profiler Utility program and user manual The Profile Utility program supports a baud rate of 9600 The default serial settings of the 212 Profiler are 9600 8 N 1 The Terminal service can be used as required It has a limited command set See the Terminal Service section for a description of the commands For more information on the Modbus services request from the factory the document entitled OEM 9720 Profiler Communication Specification 5 1 Terminal Service Sending three 3 carriage returns 0x0D starts the Terminal service
10. mounting hole on the bottom of the unit Met One can supply a basic camera type tripod as an optional accessory part number 970650 Make sure that the tripod has a wide enough footprint to prevent the unit from tipping over Verify that the sensor cable clears the mounting face of the tripod you plan to use If the unit has the mounting post for a cross arm installed you will have to remove it before installing the tripod Attach the tripod to the bottom of the 212 unit securely with the thumb screw of the tripod Position the tripod so that the legs are spaced wide enough to ensure that the unit is stable The camera tripod option is not intended for use in windy conditions or permanent outdoor installations 212 9800 RevE Page 11 of 23 3 3 2 3 3 3 Met One sensor mount The 212 can also mount to a sensor tower or an 905 Met One tripod as part of a sensor array A standard Met cross arm tube is attached to the tripod or tower The 212 can mount into a standard Met One wind sensor receiver which mounts on the cross arm The mounting post that inserts into the sensor receiver comes with the 212 The sensor receiver T fitting and cross arm can be purchased separately Mounting bracket The 212 can be fitted with a custom fabricated sheet metal or machined mounting bracket to allow mounting for a post pole wall or other vertical surface The bracket can be attached to the 212 through the 14 20 mounting hole on the bottom of the
11. unit The bracket must be mounted so that the inlet on the 212 is straight up Also the unit should be mounted so that the inlet extends up above whatever surface the unit is mounted to otherwise the airflow into the unit could be impeded 3 4 Wiring 3 4 1 3 4 2 3 4 3 Power The 212 is supplied with a 12V power supply This attaches to the signal cable through the power jack on the computer end Note When power is connected the 212 will begin sampling To record data install the Profiler utility software and press the Start Sample Button see section 5 Communication RS 232 The 212 is supplied with a communication power cable with a DB 9 connector on one end It can be connected directly into a 9 pin RS 232 communication port of a computer Special order RS 422 RS 485 Note special ordered units can have a RS 422 485 output If the output is a full duplex RS 422 protocol It can also be connected directly into a 9 pin RS 232 communication port of a computer See appendix 1 for details on wiring to RS 422 four wire system The pin 3 212 input of the communication cable should be terminated If left un terminated random commands can occur due to pick up from the output line Install a termination resistor 1 kohm or less to ground on the RXD A the 212 input line if not used Example Only the output TXD A is connected to a data logger 212 9800 Rev E Page 12 of 23 90124 DB 9 Connector Conn
12. MODEL 212 PROFILER OPERATION MANUAL Document No 212 9800 Revision E Met One Instruments Inc 1600 NW Washington Blvd Grants Pass Oregon 97526 Telephone 541 471 7111 Facsimile 541 471 7116 212 9800 RevE Page 2 of 23 Copyright Notice Model 212 Profiler Operation Manual O Copyright 2007 Met One Instruments Inc All Rights Reserved Worldwide No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any other language in any form by any means without the express written permission of Met One Instruments Inc Technical Support Should you require support please consult your printed documentation to resolve your problem If you are still experiencing difficulty you may contact a Technical Service representative during normal business hours 7 30 a m to 4 00 p m Pacific Standard Time Monday through Friday Voice 541 471 7111 Fax 541 471 7116 E Mail service metone com Mail Technical Services Department Met One Instruments Inc 1600 Washington Boulevard Grants Pass OR 97526 212 9800 Rev E Page 3 of 23 Safety Notice The contents of this manual have been checked against the hardware and software described herein Since deviations cannot be prevented entirely we cannot guarantee full agreement However the data in this manual is reviewed regularly and any necessary corrections are included in subsequent editions Faultless and safe ope
13. RevE Page 21 of 23 satisfactory flow is obtained Close the dialog box with the small x button in the upper right hand corner e This completes the flow calibration process 7 Software Currently the 212 is shipped with the Profiler Utility Program The Profiler Utility program is used to configure the count channel sizes and parameters like the sample time the sample mode and the unit ID This utility can also be used to log particle counts to a CSV file Note In the Profiler Utility Program manual you may see references to a 9720 or 9722 particle counter These counters are the sub modules used within the 212 Profiler The manual contains some information which may not apply to the 212 profilers 212 9800 Rev E Page 22 of 23 7 1 Appendix 1 RS422 wiring diagram SPECIAL ORDERS ONLY B amp B electronics Model 485PTBR RS 232 RS485 CONVERTER TD A TD B RD A RD B TERM SG 12VDC SG P2 TO COMPUTER RS 232 port BAUD RATE 9600 N 8 1 CONNECTOR DB9 22 or 212 x 97 set for FULL I a 1 Power Jack 12 VDC power CONVERTER 9722 RD A PIN 2 TD A PIN 3 SG Ground PIN 5 RD B PIN 7 TD B PIN 8 Wiring to a 212 x or a 9722 in full duplex Appendix 2 212 Flow Diagram INLET HEATER SOLID HEATER STATE CONTROL RELAY
14. ector The DB 9 connector is wired as follows Pin 1 Not used Pin 2 TXDA Pin 3 RXDA Pin 4 Not used Pin 5 Ground Pin 6 Not used Pin 7 TXD B Special order RS 422 485 only Pin 8 RXD B Special order RS 422 485 only Pin 9 Not used 4 Description 4 1 Overview The 212 Profiler was designed to monitor airborne particle density and size profile in indoor or outdoor applications It measures and reports eight different particle sizes simultaneously Using the supplied software utility the counts or concentration can be displayed and logged It features remarkably simple operation it starts up by simply supplying power to the unit combined with accurate results Every 212 is calibrated with NIST traceable polystyrene spheres in accordance to accepted industry standards e g ASTM ISO and JIS 4 2 Principle of Operation 212 9800 RevE Page 13 of 23 The 212 detects and evaluates the scatter signal from suspended particulate to provide a continuous real time measurement of airborne particulate The sample air is drawn into the 212 by an internal rotary vane pump Flow rate is controlled with a flow sensor and a pulse width modulated feedback system to maintain a constant 1 LPM on the inlet nozzle An additional 2 LPM is added around the sample flow sheath air to contain the particles An internal near IR laser diode is collimated and directed through the sample air flow When an airborne particle
15. ication Services for 212 encconcnanoconenano na nenann co nenan nano nana nana Rana n 17 5 1 Terminal Servite 24 tt A a ap 17 52 Terminal COMMANAS sia tt 17 6 Inlet Flow Calibration sesseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 19 6 1 Flow overview See appendix 2 ooocoocccconnocccccononccccononcnccnnoncnnncnno nn nc nano nn rca nn rra rr arras 19 6 2 Flow Calibration using terminal COMMANAS ooonoccccnnnoccccnnnoccccconnonnnnnnnnnnn nano nn nr nana nan rrrnnn rra 19 6 3 Flow Calibration using the Profiler Utility Program ooooonnnnncnnninnidin nnnccnnnonacnnnarannnnnarncnrnnnns 20 Te OI ANG A A aaa a aaa a AO ERA ERRE 22 7 1 Appendix 1 RS422 wiring diagram SPECIAL ORDERS ONLY eessen 23 Appendix 2 212 Flow Diagram icucnsinansicann reine 23 212 9800 Rev E Page 6 of 23 1 1 1 1 2 Safety Safety Indicators This manual uses a CAUTION and a WARNING indication Familiarize yourself with the following definitions for the meanings of these indicators A CAUTION indicates a hazard and calls attention to a procedure that if not correctly followed could result in damage to the instrument Do not proceed beyond a caution indicator without understanding the hazard A WARNING indicates a hazard to you and calls attention to a procedure that if not correctly followed could result in injury or even death Do not proceed beyond a warning without understanding the hazard
16. intersects the laser beam it scatters the light proportional to its cross section The scattered light is collected over a wide angle perpendicular to the airflow and laser beam and focused on a photo diode The photo diode converts the scattered light signal to a pulse with a proportional voltage to the particle size The output from the photo diode is then analyzed for two criteria 1 The number of particles that scatter light 2 The amount of light scattered The pulse height is compared against eight levels of programmable voltages If the pulse height is greater than the voltage level the counter for that channel is incremented After the sample time is completed the number of particles in each channel is reported The channels report the number of particles of that size and larger 4 2 1 Inlet tube Heater The 212 comes with an inlet heater This inlet heater is powered through the unit and is controlled with an internal RH sensor in the sample stream If sampling in humid environments i e relative humidity gt 50 particles increase in size due to absorbed water By heating the inlet tube the water around the particles is vaporized and more accurate sizing is achieved Standard RH heater set point is 50 The set point value can be read with the terminal command R followed by the enter key The value can be changed with the R command followed by a value and the enter key 212 9800 Rev E Page 14 of 23
17. its 1 Report i Cancel 2 Connection e From the Dialog box verify that flow mode is set to Actual The Flow sensor type should be set to 0 5 Ipm The Use Pressure Sensor should be un marked e Enter Current Barometric pressure from an external reference The units may be ether Pascals or inches of Hg depending on the setting under Units Mouse click the OK button when done e Attach an external flow sensor to inlet nozzle e Start the unit sampling by mouse clicking the green button it will turn red then from the Calibration pull down menu select Flow This will open the Flow Calibration Dialog box Close dialog box here Start unit Pro iler Utility File fSettings Calibration Help o gt Flow Calibration x Flow Rate 1 01 Ipm Particle Counter 3 i sr Standar f m Size Counts L B Default 1 ANANA e Wait for the flow to reach a steady state Take the reading from the external flow sensor Enter this value in the box labeled Standard Mouse click the Calibrate button to enter value into unit The reported Flow Rate will now change to the entered value The unit will now adjust the pump voltage to obtain a Flow Rate of 1 00 Ipm e After new value is entered wait until Flow rate reads about 1 00 LPM If the external flow sensor doesn t report a flow of 1 0 LPM repeat until a 212 9800
18. ration of the product presupposes proper transportation storage and installation as well as careful operation and maintenance The seller of this equipment cannot foresee all possible modes of operation in which the user may attempt to utilize this instrumentation The user assumes all liability associated with the use of this instrumentation The seller further disclaims any responsibility for consequential damages NOTICE Amin of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure ni product when properly installed and operated is considered a Class I laser product Class products are not considered to be hazardous There are no user serviceable parts located inside the cover of this device Do not attempt to remove the cover of this product Failure to comply with this instruction could cause accidental exposure to laser radiation This system contains a laser operating at 650 or 780 nm depending on model This wavelength is invisible to the naked eye and can cause damage to the eye if directly exposed A protective housing protects the unit To avoid the possibility of accidental exposure always power down the system any time service or repair work is being preformed Repair of instrumentation manufactured by Met One Instruments Inc should only be attempted by manufacturer trained service personnel 212 9800 RevE Page 4 of 23 Electrical amp
19. s the signal from the mass flow sensor and the internal air flow temperature sensor to calculate the volumetric flow based on the barometric pressure which was entered into the unit with the profiler utility program The 212 does not have a internal baro sensor and flow can change proportionally with changes in pressure Outlet port 6 2 Flow Calibration using terminal commands The O command will adjust the offset flow in the 212 letter O not the number 0 The terminal mode can be invoked on unit by pressing the enter key three times The 212 will return the gt character this indicates it in terminal mode By entering the O followed by a return key the current value will be returned This values is most likely around 0 2 The value can be changed by entering the O followed by a numeric value and a return key Calibration is achieved by attaching a external calibrated flow sensor to the inlet nozzle and starting the unit in a continues run mode with a Y S command repeat sample mode and a start command The unit will ramp up the internal pump After about a minute a reading should be made on the external flow 212 9800 RevE Page 19 of 23 sensor convert to LPM if not already in that unit calculate the difference of the measured flow from 1 LPM set point flow add this to the current offset value and enter it with the O command Example The current offset values is 0 05 the
20. ties of fitness or merchantability 212 9800 Rev E Page 5 of 23 Table of Contents DY iii auars sanie meened panara arkaa daa drea ariaa ba pidada Naiada iniia aa iaaa adnia aiaia 7 131 Safety Indicators en neiaie ariaa i A A eae at 7 tes Laser Sato ae Ea E AAEE AE A T R AOO 7 2 E AAA A kannaa kaiaia aa takana na aaiae aaka 8 E Ta ai 9 3415 Additional Assem erari R E iaimibass 9 3 1 1 Attaching the Aluminum Inlet ooooonnoccccnnnnncniocononccccnncnnnnnonnoncnncnnnnnnnnnnnnnnn cnn cnn ana nn nn anna nc 9 3 1 2 Properly seating the heated inlet tUbe ooonnnocccnninicininnccoccnononacnnnn non nc nr nano non rnnnnn rca rnnnn rca 9 3 1 3 Attaching the TSP Inlet to the Aluminum Inlet o ccoonnnccnnnnnicinonnccccnnnanacnnnnarncr nana 11 3 25 Site COnsideratlONS masticar tito lia aiii 11 A O 11 3 3 1 Standardicamera tHpOd vecinita tt a atan da 11 3 3 2 Met One SENSOF MOUN aeir gen in a Reed loe 12 3 3 3 Mounting brackS ti midi dd a cee cee eines 12 Sd WO AAA a eee ae ai ea 12 3 4 1 A NA 12 3 4 2 COMMUNICATION RS 2 IZ Ea da 12 3 4 3 Special order RS 422 RS 485 200 ccc e r a Ta A aa aaa ar A aae aE aaa aaar a ae 12 As DESCrIPtO M a a aaa a eaa Eaa 13 Az COVCIMOW naarn aa e a a Oa a ea a a aaa aa ataa eaan 13 4 2 Principle of Operation iieri lige de e aee denned e a a i eaa ariar ioiai 13 4 2 1 Inlet tube Heater cicio A ae il dai 14 A EEEE N E E E T EET 15 4 4 Applications ves IA A A eae ee 16 5 Commun
21. unit reads a flow of 1 1 LPM on the inlet Type O 0 15 and return key Wait about a minute for the flow to settle down to the new value and repeat until the flow is 1 00 LPM 0 01 NOTE IF external flow sensor reads zero on inlet but you can feel air exiting the outlet port The inlet tube may not be seated all the way see section 3 1 1 6 3 Flow Calibration using the Profiler Utility Program The utility program gives the user much more control of the 212 unit than the limited set of the terminal commands e Start the 212 Profiler Utility program supplied with the unit e If unit automatically starts sampling use the Red button on the utility program screen to stop the unit Start stop button El Profiler Utility e Settings Calibration Help 9 Particle Counter3 Operation Alarms Size Counts L 0 5 0 7 1 0 2 0 25 SW 70 10 0 Real Time Data Connected Remaining Time 0 Sec Temperature 27 26 Flow Rate 0 0 Ipm owl oS oh wh oc Cc coc oc Cc co oo 212 9800 RevE Page 20 of 23 e Mouse click on the Settings pull down screen Select Flow This will bring up the Flow Settings dialog box p HE Profiler Utility Flow Mode EOE File Settings Calibratior p o Counter Flow Sensor Type o 5 pm y Configure ml P Standard Pressure 97165 Pa RH i M Use Pressure Sensor Un
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