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42 

67mm 

 

50in 

 

26.67mm 

1.050in 

[8.53mm] 

.336in 

98.98mm 

3.897in 

[8.53mm] 

.336in 

[13.34mm] 

.525in 

M5X0.8  (10-32 UNF) 

Both Sides 

2.375in 

56.52mm 

2.225in 

3.81mm 

.150in 

3.175mm 

.125in 

23.495mm 

.925in 

.525in 

819-Series:

 0.5 sccm 

 1 sccm 

 2 sccm 

 5 sccm 

2X 8-32 UNC 

.175in[4.45mm] 

0.5 sccm to 50 sccm approximate shipping weight: 0.8 lb 

 10 sccm 

 20 sccm 

 50 sccm 

DATE 

1/4/2016 

M-0.5SCCM-D-MSPEC

REV. 

26. 

1.0 

103.30mm 

4.067in 

8.89mm 

.350in 

8.89mm 

.350in 

13.34mm 

.525in 

1/8 NPT 

Both Sides 

2X 8-32 UNC 

.350in 8.89mm 

60.33mm 

2.375in 

56.52mm 

2.225in 

3.81mm 

.150in 

3.18mm 

.125in 

23.50mm 

.925in 

13.34mm 

.525in 

819-Series:

 100 sccm 

 200 sccm 

 500 sccm 

 1 slpm 

 2 slpm 

 5 slpm 

 10 slpm 

M-20SLPM-D-MSPEC 

 20 slpm 

DATE 

1/4/2016 

REV. 

100 sccm to 20 slpm approximate shipping weight: 1.0 lb 

Summary of Contents for 819 Series

Page 1: ...INT 0323 rev B Page 1 Precision Mass Flow Meter Model 819 Series Operating Manual READ AND COMPLY WITH THESE INSTRUCTIONS BEFORE INSTALLING OPERATING OR SERVICING...

Page 2: ...r a period of one year from the date of purchase to be free of defects in material or workmanship Under this warranty the product will be repaired or replaced at manufacturer s option without charge f...

Page 3: ...your instrument This manual covers the following MATHESON instruments 819 Series Mass Gas Flow Meters Unless otherwise noted the instructions in this manual are applicable to all of the above instrum...

Page 4: ...tional Current 4 20 mA Output Signal 9 DISPLAYS AND MENUS 10 MAIN 11 Gas Absolute Pressure 11 Gas Temperature 11 Tare 11 Volumetric Flow Rate 12 Mass Flow Rate 12 Flashing Error Message 12 SELECT MENU...

Page 5: ...ting Gas Mixtures using RS 232 25 Collecting Data 26 Data Format 26 Sending a Simple Script File to HyperTerminal 27 Operating Principle 28 Standard Gas Data Tables 28 Gas Lists with Viscosities Densi...

Page 6: ...plugs until you are ready to install the device Make sure that the gas will flow in the direction indicated by the flow arrow Standard 819 Series Gas Flow Meters have female inlet and outlet port conn...

Page 7: ...ter to reduce the pressure to 150 psig 1 MPa or less Exceeding the maximum specified line pressure may cause permanent damage to the solid state differential pressure sensor Do Not subject an 819 Seri...

Page 8: ...RS 232 Transmit 5 Power Supply 6 Power Supply 7 Analog Input 8 Ground INPUT SIGNALS Analog Input Signal Apply analog input to Pin 7 Standard 0 5 Vdc is the standard analog input signal Apply the 0 5...

Page 9: ...lers equipped with a 0 5 Vdc optional 0 10 Vdc will have this output signal available on Pin 3 This output is generally available in addition to other optionally ordered outputs This voltage is usuall...

Page 10: ...00 SCCM MENU TOTAL bottom right of the screen you will enter the Select Menu display Totalizer option only If your meter was ordered with the Totalizer option page 40 pushing the TOTAL button once wil...

Page 11: ...e button above C Pushing the buttonagain allows you to select 0C Celsius K Kelvin 0F Fahrenheit or 0R Rankine for the temperature scale CANCEL SET To select a temperature scale use the UP and DOWN but...

Page 12: ...ed in the lower middle of the display It can be moved to the primary display by pushing the button below SCCM in this example Your display may show a different unit of measure preceded by the letter S...

Page 13: ...828 4313 UNIT ID A BAUD 19200 BACK MAIN BACK DEVICE UNITS MAIN Manufacturer Data BACK MAIN Miscellaneous Communications Select UP Recent Standard DOWN PAGE MISC MFG DATA RS232 COMM PSIA 13 60 C 21 50...

Page 14: ...HESON instruments page 29 FactoryCustom Presentonlyifcustomer requestedgaseswereaddedatthefactory COMPOSER User Mixes Gas mixes programmed by the user page 15 Bioreactor page 31 Breathing page 32 Chro...

Page 15: ...rs remain in selected case until CHANGE CASE is pushed again UP DOWN NEXT LETTER Press SET to save the name COMPOSER Mix name MyGas After naming the mix press ADD GAS and select the gas category and t...

Page 16: ...AS 50 Air 30 AR Argon 20 He Helium 100 00 Total CANCEL SAVE CREATE NEW CREATE SIMILAR Once the mix has been saved you may press CREATE SIMILAR to compose an additional mix based on the mix you have ju...

Page 17: ...hange will take effect when Communication Select is exited If the symbol is selected as the Unit UNIT ID UP C C DOWN ID the device will enter streaming mode when Communication Select is exited See RS...

Page 18: ...r to read and interpret rapidly fluctuating pressures and flows Pressure and flow averaging can be adjusted between 1 no averaging and 256 maximum averaging These are geometric running averages where...

Page 19: ...PRESS MAIN usingtheSETbutton achangeacknowledgement message will be displayed on screen Selecting MAIN will revert screen to the Main display If the SET selection is already the currently stored valu...

Page 20: ...s An example screen is shown at left Press ROTATE DISP and SET to Inverted 180 if your device is inverted The display and buttons will rotate together DEVICE UNITS Press DEVICE UNITS to access menus o...

Page 21: ...he manufacturer Mathes on Ph 800 828 4313 BACK MAIN Press MODEL INFO to show important information about your flow device including the model number serial number and date of manufacture Press BACK to...

Page 22: ...lank except the blinking cursor In order to get the data streaming to the screen hit the Enter key several times to clear any extraneous information Type followed by Enter or using the RS 232 communic...

Page 23: ...tion with the unit and have a stream of information filling your screen 1 Type A followed by Enter or using the RS 232 communication select menu select A as identifier and exit the screen to stop the...

Page 24: ...Carbon Dioxide CO2 5 Ethane C2H6 6 Hydrogen H2 7 Helium He 8 Nitrogen N2 9 Nitrous Oxide N2O 10 Neon Ne 11 Oxygen O2 12 Propane C3H8 13 normal Butane n C4H10 14 Acetylene C2H2 15 Ethylene C2H4 16 iso...

Page 25: ...as numbers between 236 and 255 You can assign any number in this range to your new mixture If another mixture with the same number exists it will be overwritten even if that gas is currently selected...

Page 26: ...ut the default is usually acceptable Click on Next again In the third dialog box make sure the column data format is set to General and click Finish This separates the data into columns for manipulati...

Page 27: ...produce For example A A A A A A will get a total of six lines of data from the flow meter but you can enter as many as you like The time between each line will be set in HyperTerminal 4 When you have...

Page 28: ...w Element LFE and measuring differential pressure across it The restriction is designed so that the gas molecules are forced to move in parallel paths along the entire length of the passage hence lami...

Page 29: ...e 149 31840 1 80798 0 9949545 137 107 1 9768 0 9933 3 CO CarbonMonoxide 176 49330 1 14530 0 9996406 165 151 1 2505 0 9993 60 D2 Deuterium 126 59836 0 16455 1 0005970 119 196 0 1796 1 0006 5 C2H6 Ethan...

Page 30: ...9988210 195 198 1 8215 0 9983605 20 C 25 25 CO2 75 Ar 206 97630 1 67658 0 9986652 191 436 1 8309 0 9981609 142 C 50 50 CO2 50 Ar 187 53160 1 71972 0 9977484 172 843 1 8786 0 9969777 24 C 75 75 CO2 25...

Page 31: ...Bio 40M 40 CH4 60 CO2 140 33250 1 34664 0 9962716 128 834 1 4710 0 9955239 153 Bio 45M 45 CH4 55 CO2 138 78134 1 28905 0 9964362 127 478 1 4080 0 9957564 154 Bio 50M 50 CH4 50 CO2 137 10815 1 23149 0...

Page 32: ...19 24536 0 50683 1 0001363 205 140 0 5530 1 000565 170 HeOx 40 40 O2 60 He 218 59913 0 62132 1 0000244 204 307 0 6779 1 000502 171 HeOx 50 50 O2 50 He 216 95310 0 73583 0 9999125 202 592 0 8028 1 0004...

Page 33: ...CO 5 C2H4 123 68517 0 44281 0 9993603 115 045 0 6589 0 996387 193 Endo 75 H2 25 N2 141 72100 0 34787 1 0005210 133 088 0 3797 1 000511 194 HHO 66 67 H2 33 33 O2 180 46190 0 49078 1 0001804 168 664 0 5...

Page 34: ...85 7 N2 1 Ar 175 22575 1 22550 0 9992625 165 222 1 3379 0 9990842 201 FG 2 2 9 O2 14 CO2 82 1 N2 1 Ar 174 18002 1 24729 0 9991056 164 501 1 3617 0 9989417 202 FG 3 3 7 O2 15 CO2 80 3 N2 1 Ar 174 0284...

Page 35: ...t 60 C inH2OA inH2OG inH2OD inch of water at 4 C NIST conventional inH2OA inH2OG inH2OD inch of water at 60 C atm atmosphere m asl meter above sea level only in ALT builds ft asl foot above sea level...

Page 36: ...SmL NmL milliliter L SL NL liter USGAL US gallon cm3 Scm3 Ncm3 cubic centimeter m3 Sm3 Nm3 cubic meter in3 Sin3 cubic inch ft3 Sft3 cubic foot kSft3 1000 cubic feet uP micropoise a measure of viscosi...

Page 37: ...mal operation and accuracy If the unit does not return to normal contact MATHESON Meter reads negative flow when there is a confirmed no flow condition This is an indication of an improper tare If the...

Page 38: ...hat the port on the computer to which the meter is connected is active Confirm that the port settings are correct per the RS 232 instructions in this manual Check the RS 232 communications select scre...

Page 39: ...crons for units with FS flow ranges of 0 1 slpm or more Recalibration The recommended period for recalibration is once every year A label located on the back of the meter lists the most recent calibra...

Page 40: ...ount it automatically rolls over to zero displays an overflow error and continues counting until the counter is cleared TOTAL MASS The counter can have as many as seven digits At the time of order the...

Page 41: ...red Epoxy Aluminum Gold Silicon Glass If your application demands a different material please contact MATHESON Communications Power 819 Series Mass Flow Meter Monochrome LCD Display with integrated to...

Page 42: ...approximate shipping weight 0 8 lb 0 10 sccm 0 20 sccm 0 50 sccm DATE 1 4 2016 M 0 5SCCM D MSPEC REV 1 26 1 0 103 30mm 4 067in 8 89mm 350in 8 89mm 350in 13 34mm 525in 1 8 NPT Both Sides 2X 8 32 UNC 35...

Page 43: ...8 32 UNC 375in 9 53mm DATE 1 4 2016 REV 1 250 slpm approximate shipping weight 3 2 lb M 250SLPM D MSPEC 43 82 55mm 3 250in 19 05mm 750in 4 45mm 175in 4X 8 32 UNC 375in 9 53mm 36 20mm 1 425in 50 slpm t...

Page 44: ...8 32 UNC 375in 9 53mm DATE 1 4 2016 REV 1 250 slpm approximate shipping weight 3 2 lb M 250SLPM D MSPEC 44 82 55mm 3 250in 19 05mm 750in 4 45mm 175in 4X 8 32 UNC 375in 9 53mm 36 20mm 1 425in 50 slpm t...

Page 45: ...45 RJ45 Connector Pin Outs 1 2 3 4 5 6 7 8 RJ45 Device 8 7 6 5 4 3 2 1 RJ45 Cable 1 RS 232 Receive 2 Ground 3 Analog Output 4 RS 232 Transmit 5 Power Supply 6 Power Supply 7 Analog Input 8 Ground...

Page 46: ...46 Notes...

Page 47: ...Notes 47...

Page 48: ...on Tri Gas Inc cannot guarantee the accuracy of this material nor can it accept responsibility for errors or omissions This document is intended to serve as a general orientation and cannot be relied...

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