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Alicat Gas Flow Meter Manual

1. 0 Air Air 23 98 Ar 2 CO2 C2 1 Argon Ar 24 7596 CO2 2596 Ar C 75 2 Methane CH4 25 75 Ar 25 He A 75 3 Carbon Monoxide co 26 75 He 25 Ar A 25 4 Carbon Dioxide co2 90 He 7 5 Ar 5 Ethane C2H6 27 2 596 CO2 A1025 6 Hydrogen H2 Helistar A1025 7 Helium He 90 Ar 8 CO2 8 Nitrogen N2 28 296 O2 Star29 9 Nitrous Oxide N20 Stargon CS 10 Neon Ne 29 95 Ar 596 CHA P 5 11 Oxygen 02 30 Nitric Oxide NO 12 Propane C3H8 31 Nitrogen Triflouride NF3 13 normal Butane n C4H10 32 Ammonia NH3 14 Acetylene C2H2 33 Chlorine Gas cl2 15 Ethylene C2H4 34 Hydrogen Sulfide H2S 16 iso Butane i C4H10 35 Sulfur Dioxide so2 17 Krypton Kr 36 Propylene C3H6 18 Xenon Xe In addition the following gases are 19 Sulfur Hexafluoride SF6 available upon request 20 75 Ar 2596 CO2 C 25 Nitrogen Dioxide to 0 596 NO2 21 90 Ar 10 CO2 C 10 in an inert carrier 22 92 Ar 8 CO2 C 8 Refrigerant gases to 10096 If your application requires another gas or gas mixture please contact Info alicat com or call 888 290 6060 We will do our best to accommodate you r request Please refer to the Technical Data for the equivalently ranged M Series instrument for all operating specifications except Operating Range 196 to 10096 Full Scale Turndown Ratio 100 1 Wetted Materials 316LSS FFKM Kalrez needed for some gases standard Viton EPDM as The
2. Viscosity Density Compressibilit ER E Long Form 0 deg E 0 pea deg C 14 696 PSIA 14 696 PSIA 14 696 PSIA 0 Air Air 172 588 1 2927 0 9994 1 Ar Argon 209 566 1 7840 0 9991 2 CH4 Methane 103 657 0 7175 0 9976 3 CO Carbon Monoxide 165 130 1 2505 0 9994 4 CO2 Carbon Dioxide 137 129 1 9768 0 9933 5 C2H6 Ethane 86 127 1 3551 0 9900 6 H2 Hydrogen 83 970 0 08988 1 0007 T He Helium 186 945 0 17849 1 0005 8 N2 Nitrogen 166 371 1 2504 0 9995 9 N20 Nitrous Oxide 136 350 1 9778 0 9928 10 Ne Neon 293 825 0 8999 1 0005 11 02 Oxygen 190 555 1 4290 0 9990 12 C3H8 Propane 74 687 2 0101 0 9787 13 n C4H10 normal Butane 67 691 2 7048 0 9587 14 C2H2 Acetylene 97 374 1 1728 0 9905 15 C2H4 Ethylene 94 690 1 2611 0 9925 16 i C4H10 iso Butane 68 759 2 6893 0 9627 17 Kr Krypton 232 175 3 7422 0 9991 18 Xe Xenon 212 085 5 8988 0 9931 19 SF6 Sulfur Hexafluoride 140 890 6 6154 0 9850 20 C 25 75 Argon 25 CO2 190 579 1 8309 0 9982 21 C 10 9096 Argon 1096 CO2 201 897 1 8027 0 9987 22 C 8 92 Argon 8 CO2 203 423 1 7989 0 9988 23 C 2 98 Argon 2 CO2 208 022 1 7877 0 9990 24 C 75 75 CO2 25 Argon 154 328 1 9270 0 9954 25 A 75 75 Argon 25 Helium 214 808 1 3821 0 9995 26 A 25 75 Helium 25 Argon 218 962 0 5794 1 0002 90 Helium 7 5 Argon 12 5 CO2 27 A1025 Praxair Helistar 201 284 0 3434 1 0002 A1025 90 Argon 8 CO2 28 Star29 2 Oxygen 203 139 1 7918 0 9988 Praxair Stargon CS 29 P 5 95 Argon 5 Methane
3. Rollover with Notification When the counter reaches the maximum count it automatically rolls over to zero displays an overflow error and continues counting until the counter is cleared ELAPSED TIME The small numbers below the mass total show the elapsed time since the last reset in hours minutes and seconds The maximum measurable elapsed time is 6553 5 hours about nine months The hours count resets when RESET is pushed an RS 232 or RS 485 clear is executed or on loss of power Press ELAPSED TIME to show this as the primary display RESET The counter can be reset to zero at any time by pushing the RESET button To clear the counter via RS 232 or RS 485 establish serial communication with the meter or controller as described in the RS 232 or RS 485 section of the manual To reset the counter enter the following commands In Streaming Mode SST Enter In Polling addressable Mode AddressSST Enter e g BSST lt Enter gt 55 Alicat Portable Meters and Gauges Alicat Portable Flow Meters and Gauges use a common 9 Volt battery located in the top section of your meter Output signals from the flow meter are passed through the female connector on top of the flow meter Turn the switch on top of the flow meter off when the meter is not in use Normal 9V alkaline battery life is approximately 8 hours 30 40 hours with a 9V lithium battery however many factors can affect this Note Alicat recommends the use
4. 4X 8 32 UNC V 375 48 3 4 NPT 800 Both Sides imi Lr 00 3 250 0 r 175 T ids MS Series s l i 0 500SLPM J 0 1000SLPM 4X8 32UNC V 375 0 1500SLPM H 1 120 3 4 NPT 5 200 ki a 1490 Both Sides 2 500 12504 125074 7 1 i T MS Series e 0 2000SLPM 4X 8 32 UNC V 330 49 OOO CAL ODO S 5 987 9404 P j inas 1 450 J 1 484 V 700 5 200 1 1 4 NPT 8 2001 1 3501 o T 2 700 A MS Series lt o 0 3000SLPM 4X 8 32 UNC V 330 Technical Data for Alicat MO Series Mass Flow Meters Alicat MQ mass flow meters are for high pressure applications The flow rate is dependent on the pressure in that lower pressures will yield lower flow rates The Q series devices are highly specialized and should only be ordered after consulting Alicat MQ flow meters are calibrated for operation at high pressure Optimal performance is achieved at higher operating pressures Minimum Operating Pressure 30PSIA Maximum Operating Pressure 320PSIA NOTE Volumetric flow is reduced as compared to mass range with a typical 5096 reduction This may vary based on application or customer requirements Please refer to the Tech
5. single ended 25 foot length DC 301 8 Pin Male Mini DIN connector cable single ended 30 foot length IC50 Industrial cable 6 Pin single ended 50 foot length 60 Accessories 401 element ILFEAOL Filters amp Elements FNPT FNPT 10 32 5u CF 303 20 316 requires MNPT to MNPT coupler to interface with Alicat flow bodies 10 32 Male UNF to 1 8 FNPT Adapter 1 4 4mm SS 4M0 1 4 410133 1 4 6mm Slo Male M5 10 32 Buna N O ring face seal to 1 8 Female NPT 61 Eight Pin Mini DIN Connector Pin Outs If your Alicat Instrument was ordered with the standard Eight Pin Mini DIN connection please be sure to reference the following pin out diagram Mini DIN cable color Inactive or 4 20mA Primary Output Signal Static 5 12 Vdc or Secondary Analog Output 4 20mA 5Vdc 10Vdc 2 Brown or Basic Alarm RS 232 Input Signal Red EN Analog Input Signal RS 232 Output Signal 0 5 Vdc or 0 10 Vdc Output Signal Power In as described above Blue Ground common for power communications and signals Note The above pin out is applicable to all the flow meters and controllers with the Mini DIN connector The availability of different output signals depends on the options ordered Underlined Items in the above table are optional configurations that are noted on the unit s calibration sheet Locking Industrial Connector Pin Outs If your Alicat Instrument was ordered with a Six Pin Locking Industrial conn
6. 207 633 1 7307 0 9990 in micropoise 1 Poise gram cm sec Grams Liter NIST REFPROP 7 database Gas Viscosities Densities and Compressibilities at 0 C 34 TROUBLESHOOTING Display does not come on or is weak Check power and ground connections Please reference the technical specifications pages 38 41 to assure you have the proper power for your model Flow reading is approximately fixed either near zero or near full scale regardless of actual line flow Differential pressure sensor may be damaged Avoid installations that can subject sensor to pressure drops in excess of 10 PSID A common cause of this problem is instantaneous application of high pressure gas as from a snap acting solenoid valve upstream of the meter If you suspect that your pressure sensor is damaged please discontinue use of the meter and contact Alicat Displayed mass flow volumetric flow pressure or temperature is flashing and message MOV VOV POV or TOV is displayed Our flow meters and controllers display an error message MOV mass overrange VOV volumetric overrange POV pressure overrange TOV temperature overrange when a measured parameter exceeds the range of the sensors in the device When any item flashes on the display neither the flashing parameter nor the mass flow measurement is accurate Reducing the value of the flashing parameter to within specified limits will return the unit to normal ope
7. Mass Flow Volumetric Flow 0 5 Vdc or 0 10Vdc Secondary Analog Pressure or Temperature or 4 20mA Electrical Connections 8 Pin Mini DIN DB9 or DB15 7 to 30 Vdc 15 30Vdc for 4 20mA Supply Voltage outputs Supply Current 0 040 Amp output current on 4 20mA Mounting Attitude 0 Tare after installation Sensitivity Warm up Time lt 1 Second Wetted Materials Reinforced Nylon Aluminum 303 amp 302 Stainless Steel Viton Silicone RTV Rubber Glass for available options 1 High Accuracy option not available for units ranged over 500SLPM 2 If selecting PROFIBUS or DeviceNet no analog signal is available PROFIBUS DeviceNet units do not have the display See PROFIBUS or DeviceNet specifications for PROFIBUS or DeviceNet supply voltages and currents 3 If your application demands a different material please contact Info alicat com or 888 290 6060 Mechanical Specifications Full Scale Flow Mass Mechanical Process Meter Dimensions Connections ASOT 500SLPM 5 5 1000SLPM 5 0 H x 4 0 W x 1 6 D 4 6 0 1500SLPM 3 4 NPT Female 90 2000SLPM 5 3711 x 5 2 W x 2 9 D 5 0 3000SLPM 5 3 H x 5 2 W x 2 9 D 1 1 4 NPT Female 7 1 1 Compatible with Beswick amp Swagelok tube Parker face seal push connect and compression adapter fittings 2 Venting to atmosphere Lower Pressure Drops Available please contact Info alicat com or 88
8. dimensions of MS instruments may vary from their standard M Series counterparts Dimensional drawings for MS instruments are shown on pages 47 50 46 a 1 050 a 9 86 4 397 336 M5X0 8 2 375 e Both Sdes 2 225 H150 125 o O j 925 e e 2X 8 32 UNC V 175 T 1050 de e 86 4 567 ele 350 F 1 8 NPT m Bofh Sides L150 p 125 925 o o i 2X 8 32 UNC Y 35 47 EN 336 zr 7 525 MS Series 0 0 5SCCM 0 1SCCM 0 2SCCM 0 0 0 0 0 0 0 0 89 t 525 MS Series 0 100SCCM 0 200SCCM 0 500SCCM 0 1SLPM 0 28LPM 0 5SLPM 0 10SLPM 0 20SLPM T rep MS Series 1 600 eg 0 50SLPM 0 100SLPM 5 067 500 500 o o o o 1 4 NPT LI se DO Both Sides L 4 000 4 8250 1 5 H Ci uim o T 1 425 zal 4X8 32 UNC V MS Series 0 250SLPM o o 800 SI P 800 800 o o 1 2 NPT 22 Both Sides F 4 000 4 ae 17 6 L sh 1 425 P3 B
9. of non rechargeable 9V lithium batteries in all MB TFT color display portable meters and gauges Replace the battery as often as required A yellow LED indicates low voltage and that the battery should be replaced A false signal can result when the voltage drops below its normally regulated level Alicat Portable Flow Meters and Gauges can also be powered by an optional AC DC plug in wall adaptor With the adaptor plugged into the flow meter the battery is bypassed and the meter will operate solely off the adaptor power supply Replacing the Battery 1 Removethe four Phillips head screws from the front cover and gently remove it as shown below Remove the 9V battery pulling the top of the battery out first Disconnect the old battery from the harness and replace it with a new battery Install the new battery bottom end first and replace the back cover so that the cushioning pad presses directly down on the battery 5 Replace the four Phillips head screws AC DC Adaptor Port 6 Battery cover removal 56 Option Remote Electronics for High Line or Gas Temperatures Some applications involve operating temperatures outside the standard Alicat device specifications A solution using remote electronics is available This option is not applicable for liquid devices The flow body s components are minimized to only the required sensors The flow data is sent to the microprocessor e
10. or 4 20mA Primary Output Signal Black EJ Static 5 12 Vdc or Secondary Analog Output 4 20mA 5Vdc 10Vdc Brown or Basic Alarm RS 232 Input Signal Analog Input Signal Orange RS 232 Output Signal Yellow 6 0 5 Vdc or 0 10 Vdc Output Signal Green Power In as described above 8 Ground common for power communications and signals Purple Note The above pin out is applicable to all the flow meters and controllers with the Mini DIN connector The availability of different output signals depends on the options ordered Underlined Items in the above table are optional configurations that are noted on the unit s calibration sheet CAUTION DO NOT CONNECT POWER TO PINS 1 THROUGH 6 AS PERMANENT DAMAGE CAN OCCUR It is common to mistake Pin 2 labeled 5 12 Vdc Output as the standard 0 5 Vdc analog output signal In fact Pin 2 is normally a constant 5 12 Vdc that reflects the system bus voltage and can be used as a source for the set point signal For 6 Pin Locking Industrial Connector DB9 DB15 PROFIBUS Pin outs see gt pages 62 to 70 INPUT SIGNALS Analog Input Signal Apply analog input to Pin 4 as shown on page 8 For 6 Pin Locking Connector DB9 DB15 and PROFIBUS Pin outs see pages 62 to 70 Standard 0 5 Vdc is the standard analog input signal Apply the 0 5 Vdc input signal to pin 4 with common ground on pin 8 Optional 0 10 Vdc If specified at time of order a 0 10 Vdc input signal can be applied to
11. term events can be captured simply by disconnecting there are two telephone symbol icons at the top of the HyperTerminal screen for disconnecting and connecting immediately after the event in question The scroll bar can be driven up to the event and all of the data associated with the event can be selected copied and pasted into Microsoft Excel or other spreadsheet program as described below For longer term data it is useful to capture the data in a text file With the desired data streaming to the screen select Capture Text from the Transfer Menu Type in the path and file name you wish to use Push the start button When the data collection period is complete simply select Capture Text from the Transfer Menu and select Stop from the sub menu that appears Data that is selected and copied either directly from HyperTerminal or from a text file can be pasted directly into Excel When the data is pasted it will all be in the selected column Select Text to Columns under the Data menu in Excel and a Text to Columns Wizard dialog box will appear Make sure that Fixed Width is selected under Original Data Type in the first dialog box and click Next In the second dialog box set the column widths as desired but 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 mani
12. unit has been given a unique address they can all be put back on the same line and polled individually 23 Gas Select The selected gas can be changed via RS 232 RS 485 input To change the selected gas enter the following commands In Streaming Mode SS lt Enter gt In Polling Mode AddressSS lt Enter gt e g BSS lt Enter gt Where is the number of the gas selected from the table below Note that this also corresponds to the gas select menu on the flow meter screen GAS 0 Air Air 1 Argon Ar 2 Methane CH4 3 Carbon Monoxide CO 4 Carbon Dioxide co2 5 Ethane C2H6 6 Hydrogen H2 7 Helium He 8 Nitrogen N2 9 Nitrous Oxide N20 10 Neon Ne 11 Oxygen 02 12 Propane C3H8 13 normal Butane n C4H10 14 Acetylene C2H2 15 Ethylene C2H4 16 iso Butane i C2H10 17 Krypton Kr 18 Xenon Xe 19 Sulfur Hexafluoride SF6 20 75 Argon 25 CO2 C 25 21 90 Argon 10 CO2 C 10 22 9296 Argon 896 CO2 C 8 23 9896 Argon 296 CO2 C 2 24 7596 CO2 25 Argon C 75 25 75 Argon 25 Helium A 75 26 7596 Helium 2596 Argon A 25 90 Helium 7 596 Argon 2 596 CO2 27 Praxair Helistar A1025 1025 90 Argon 896 CO2 2 Oxygen 25 Praxair Stargon CS deo 29 95 Argon 5 Methane P 5 For example to select Propane enter 12 lt Enter gt 24 Collecting Data The RS 232 RS 485 output updates to the screen many times per second Very short
13. 00 Non Condensing Measurable Flow Rate 12896 Full Scale Maximum Pressure 145 PSIG RS 232 Serial or RS 485 Mass Flow Volume Flow Serial or PROFIBUS or Output Signal Digital Pressure amp Temperature DeviceNet 1 Output Signal Analog Mass Flow 0 5Vdc Optional Output Signal Mass Flow Volumetric Flow 0 5 Vdc or 0 10Vdc Secondary Analog Pressure or Temperature or 4 20mA Electrical Connections 8 Pin Mini DIN DB9 or DB15 Supply Voltage 7 to 30 Vdc 15 30Vdc for 4 20mA outputs Supply Current 0 040 Amp output current on 4 20mA Mounting Pe 096 Tare after installation Sensitivity Warm up Time 1 Second 303 amp 302 Stainless Steel Viton amp Silicone RTV Rubber Glass Reinforced Nylon Aluminum 1 If selecting PROFIBUS or DeviceNet no analog signal is available PROFIBUS DeviceNet units do not have the display See PROFIBUS or DeviceNet specifications for PROFIBUS or DeviceNet supply voltages and currents 2 If your application demands a different material please contact Info alicat com or 888 290 6060 for available options Wetted Materials Mechanical Specifications Full Scale Flow Mass Mechanical Process Pressure Drop Meter Dimensions Connections PSID 0 5SCCM to 1SCCM M 5 10 32 Female 1 0 2SCCM to 50SCCM Thread 1 0 Units lt 50SCCM F S are shipped with M 5 10 32 Male Buna N O ring face seal to 1 8 Female NPT fittings These adaptor fitting
14. 1 Compatible with Beswick Swagelok tube Parker face seal push connect and compression adapter fittings 2 Venting to atmosphere Lower Pressure Drops Available please contact Info alicat com or 888 290 6060 100SCCM to 20SLPM approximate shipping weight 1 0lb 39 Technical Data for Moderate Flow M Mass Flow Meters 0 to 50 SLPM Full Scale through 0 to 250 SLPM Full Scale The following specifications are for the standard configuration of the product There are many options available Specification Mass Meter Description Accuracy 0 8 of Reading 0 2 of Full Scale At calibration conditions after tare High Accuracy Option 0 4 of Reading 0 2 of Full Scale At calibration conditions after tare Accuracy Bi directional 0 8 of reading 0 2 of total span e 7 Meters Only positive full scale to negative full scale 651501606 Repeatability 0 296 Full Scale Operating Range 1 296 to 10096 Full Scale Turndown Ratio 200 1 Typical Response Time 10 Milliseconds Adjustable Standard Conditions Mass Reference STP 25 C amp 14 696PSIA Conditions Operating Temperature 10 to 50 Celsius Zero Shift 0 02 Full Scale Celsius Atm Span Shift 0 0296 Full Scale Celsius Atm Humidity Range 0 to 100 Non Condensing Measurable Flow Rate 12896 Full Scale Maximum Pressure 145 PSIG Mass Flow Volumetric Flow RS 232 Serial or RS 485 Output Signal D
15. 2Vdc 290 mA 9 12Vdc 780 mA 9 70 mA 24Vdc 200 mA 24Vdc 24Vdc 13 DISPLAYS AND MENUS The device screen defaults to Main display as soon as power is applied to the meter Main PSIR 2 413 68 421 58 0 000 B aaa SCCM MENU TARE Y B aaa ELAPSED MASS SCCM TIME TOTAL 0 B aaa aa aa BACK RESET MFG RS232 DATA COMM GAS SELECT The Main display shows pressure temperature volumetric flow and mass flow Pressing the button adjacent to a parameter will make that parameter the primary display unit By hitting the MENU button at the bottom right of the screen you will enter the Select Menu display If your meter was ordered with the Totalizer option page 55 pushing the MENU button once will bring up the Totalizing Mode display Pushing MENU a second time will bring up the Select Menu display Select Menu From Select Menu you can change the selected gas interact with your RS 232 RS 485 settings or read manufacturer s data Push MAIN to return to the Main display 14 MAIN This mode defaults on power up with mass flow as the primary displayed parameter PSIA E TARE V 13 68 21 58 The following parameters are displayed in the Main mode offs 0 806 Noe Gas Absolute Pressure This sensor references hard vacuum and reads incoming pressure both above and below B ngg 8 008 local atmospheric pressure This parameter CCM SCCM MENU is moved to the primary display
16. 4 CO2 Carbon Dioxide 149 332 1 8080 0 9949 5 C2H6 Ethane 93 540 1 2385 0 9924 6 H2 Hydrogen 89 153 0 08235 1 0006 7 He Helium 198 457 0 16353 1 0005 8 N2 Nitrogen 178 120 1 1453 0 9998 9 N20 Nitrous Oxide 148 456 1 8088 0 9946 10 Ne Neon 311 149 0 8246 1 0005 11 02 Oxygen 204 591 1 3088 0 9994 12 C3H8 Propane 81 458 1 8316 0 9841 13 n C4H10 normal Butane 74 052 2 4494 0 9699 14 C2H2 Acetylene 104 448 1 0720 0 9928 15 C2H4 Ethylene 103 177 1 1533 0 9943 16 i C4H10 iso Butane 74 988 2 4403 0 9728 17 Kr Krypton 251 342 3 4274 0 9994 18 Xe Xenon 229 785 5 3954 0 9947 19 SF6 Sulfur Hexafluoride 153 532 6 0380 0 9887 20 C 25 75 Argon 25 CO2 205 615 1 6766 0 9987 21 C 10 90 Argon 10 CO2 217 529 1 6509 0 9991 22 C 8 92 Argon 8 CO2 219 134 1 6475 0 9992 23 C 2 98 Argon 2 CO2 223 973 1 6373 0 9993 24 C 75 75 CO2 25 Argon 167 451 1 7634 0 9966 25 A 75 75 Argon 25 Helium 230 998 1 2660 0 9997 26 A 25 75 Helium 25 Argon 234 306 0 5306 1 0002 90 Helium 7 5 Argon 27 A1025 2 5 CO2 214 840 0 3146 1 0003 Praxair Helistar amp A1025 90 Argon 8 CO2 28 Star29 12 Oxygen 218 817 1 6410 0 9992 Praxair Stargon CS 29 P 5 95 Argon 5 Methane 223 483 1 5850 0 9993 in micropoise 1 Poise gram cm sec Grams Liter NIST REFPROP 7 database Gas Viscosities Densities and Compressibilities at 25 C 33
17. 50SLPM 0 100SLPM SO 500 L 0 M Series 0 250SLPM o o P o 800 Le 1 600 ee 4 967 ee HO Qj d 800 o el 3 4 NPT oo 800 1 Both sides 4 000 Ll ae 3 250 4 00 6 o o T 1 425 a 7 M Series 4X8 32UNC v 375 0 500SLPM 0 1000SLPM 0 1500SLPM 2 900 5 287 1 1204 P 9 LS J 3 4 NPT 0 Both Sides 2 500 12504 1 20 o 6 T 1 450 REF 2 500 sedes o M Series VA 0 2000SLPM 4X 8 32 UNC V 330 r 2 600 REF 44 2 900 5 287 e 9 960 O TI 9 1 450 J D 1 484 V 700 5 200 1 1 4 NPT F 3 85 1 8504 20 2i Lo 2 700 o M Series Ew 0 3000SLPM 4X 8 32 UNC V 330 45 Technical Data for Alicat MS Series Mass Flow Meters Alicat MS instruments are built for use with aggressive gases For the most part these instruments maintain the specifications of equivalently ranged M Series devices Standard Compatible Gas List for MS Series Meters
18. 6 for information regarding battery replacement Unless otherwise noted the instructions in this manual are applicable to all of the above instruments Full specifications for each device can be found on pages 38 through 50 Please contact Alicat at 1 888 290 6060 or info alicat com if you have any questions regarding the use or operation of this device Many Alicat meters are built for specific applications Two meters with the same flow range and part number may look and act quite differently depending upon the application the meter was built for Care should be taken when moving a meter from one application to another ABLE OF CONTENTS GETTING STARTED Page 6 MOUNTING 0 S 6 POWER AND SIGNAL CONNECTIONS 8 INPUTSIGNALS OOO 9 Analog Input Signal o S 9 Gas Absolute Pressure 15 Sending a Simple Script File to HyperTerminal TABLE OF CONTENTS Cage MQ Series Technical Information PROFIBUS Technical Specifications 51 Accessory Flow Vision MX 59 62 62 Option Portable Meters and Gauges PROFIBUS Pin Out 64 DB15 Pin Out Diagrams 65 60 62 62 65 GETTING STARTED Power Jack 8 Pin Mini DIN 8 888 38 4 GAO 2 Display Screen Inlet Connection Port Medium Mass Flow Meter MOUNTING M Series Gas Flow Meters have holes on the bottom for mounting to flat panels See pages 42 45 M Series Meters
19. 8 290 6060 3 A 1 25 NPT Female optional process fitting is available for 2000SLPM meters 500SLPM to 1500SLPM approximate shipping weight 3 5lb 2000SLPM to 3000SLPM approximate shipping weight 4 5lb 41 e c 3 897 ee 336 eo M5X0 8 6H Both Sides 525 2 225 7 150 985 o e O F 1 A a KENNEN 2X 8 32 UNC V 175 1 050 ee 4 067 ee 2 ps Os 1 8 NPT A iem Both Sides 2 225 4 L 150 o o o A 925 2X 8 32 UNC 2B V 350 125 42 ee ee 336 ii 3 1 T 525 M Series 0 0 5SCCM 0 15CCM 0 2SCCM 0 5SCCM 0 10SCCM 0 20SCCM 0 50SCCM 9 e oul 350 1 525 M Series 0 100SCCM 0 200SCCM 0 500SCCM 0 1SLPM 0 2SLPM 0 5SLPM 0 10SLPM 0 20SLPM E e 4X8 32UNC y 375 43 rep 4 367 elo 5001 EA o o 1 4 NPT 8004 4 Both sides 4 000 7 3 250 4 750 p 175 o JI I 1 425 y 7 4X 8 32UNC v 375 1 600 Ero Gm EZ QOO 4 967 800 o _ o e 1 2 NPT 8 Both Sides 800 EN 3 250 T 750 175 o L F T 1 425 Ld M Series 0
20. 888 290 6060 50SLPM approximate shipping weight 2 2 Ib 100SLPM approximate shipping weight 2 4 Ib 250SLPM approximate shipping weight 3 2 Ib 40 Technical Data for High Flow M Mass Flow Meters 0 to 500 SLPM Full Scale through 0 to 3000 SLPM Full Scale The following specifications are for the standard configuration of the product There are many options available Specification Mass Meter Description Accuracy 0 8 of Reading 0 2 of Full Scale At calibration conditions after tare High Accuracy Option 0 4 of Reading 0 2 of Full Scale At calibration conditions after tare Accuracy Bi directional 0 8 of reading 0 2 of total span EI a Har tare Meters Only positive full scale to negative full scale Repeatability 0 296 Full Scale Operating Range 1 296 to 10096 Full Scale Turndown Ratio 200 1 Typical Response Time 10 Milliseconds Adjustable Standard Conditions Mass Reference STP 25 C amp 14 696PSIA Conditions Operating Temperature 10 to 50 Celsius Zero Shift 0 02 Full Scale Celsius Atm Span Shift 0 02 Full Scale Celsius Atm Humidity Range 0 to 100 Non Condensing Measurable Flow Rate 12896 Full Scale Maximum Pressure 145 PSIG Output Signal Digital Mass Flow Volumetric Flow Pressure amp Temperature RS 232 Serial or RS 485 Serial or PROFIBUS or DeviceNet 1 Output Signal Analog Mass Flow 0 5Vdc Optional Output Signal
21. A file conversion box will appear In the End Lines With drop down box select CR Only Everything else can be left as default 7 Click O K 8 You have now created a script file to send to HyperTerminal Close the file and exit the text editing program 9 Open HyperTerminal and establish communication with your flow device as outlined in the manual 10 Set the flow device to Polling Mode as described in the manual Each time you type A lt Enter gt the meter should return one line of data to the screen 11 Go to the File menu in HyperTerminal and select Properties 12 Select the Settings tab 27 13 Click on the ASCII Setup button 14 The Line Delay box is defaulted to O milliseconds This is where you will tell the program how often to read a line from the script file you ve created 1000 milliseconds is one second so if you want a line of data every 30 seconds you would enter 30000 into the box If you want a line every 5 minutes you would enter 300000 into the box 15 When you have entered the value you want click on OK and OK in the Properties dialog box 16 Go the Transfer menu and select Send Text File NOT Send File 17 Browse and select the text script file you created 18 Click Open 19 The program will begin executing your script file reading one line at a time with the line delay you specified and the flow device will respond by sending one line of data for each poll it re
22. Connected Open can be used for custom pin assignments please consult factory Added to allow for full use of features on Alicat devices may not be present on host wiring A 69 DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15S equipped Alicat Not all features may be available between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15S Pin Out Sierra Style Male Connector Front View Female Connector Front View Pin Number Function 1 Ground 2 Primary Analog Signal Output 3 N C 4 N C Ground N C N C Analog Tare meters when grounded Analog Set Point Input controllers 9 fPoweSuplyCommn Ground Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments are custom configured to some extent NOTE Pins 1 5 9 10 and 15 are connected together inside of the device and are common grounding points N C Not Connected Open can be used for custom pin assignments please consult factory Added to allow for full use of features on Alicat devices may not be present on host wiri
23. Model Info display page 21 Cleaning M Series Flow Meters require no periodic cleaning If necessary the outside of the meter can be cleaned with a soft dry cloth Avoid excess moisture or solvents For repair recalibration or recycling of this product contact Alicat Scientific Inc 7641 N Business Park Drive Tucson Arizona 85743 USA Ph 520 290 6060 Fax 520 290 0109 e mail info alicat com Web site www alicat com 37 Technical Data for Micro Flow and Ultra Low Flow M Mass Flow Meters 0 to 0 5SCCM Full Scale through 0 to 50SCCM Full Scale The following specifications are for the standard configuration of the product There are many options available Specification Mass Meter Description Accuracy 0 8 of Reading 0 2 of Full Scale At calibration conditions after tare High Accuracy Option 0 4 of Reading 0 2 of Full Scale At calibration conditions after tare Accuracy Bi directional 0 8 of reading 0 2 of total span E 7 Meters Only positive full scale to negative full scale A n cone nennen Repeatability 0 2 Full Scale Operating Range 1 296 to 10096 Full Scale Turndown Ratio 200 1 Typical Response Time 10 Milliseconds Adjustable Standard Conditions Mass Reference STP 25 C amp 14 696PSIA Conditions Operating Temperature 10 to 50 Celsius Zero Shift 0 02 Full Scale Celsius Atm Span Shift 0 02 Full Scale Celsius Atm Humidity Range 0 to 1
24. SCIENTIFIC EJ Saje ALIGAT Notice Alicat Scientific Inc reserves the right to make any changes and improvements to the products described in this manual at any time and without notice This manual is copyrighted This document may not in whole or in part be copied reproduced translated or converted to any electronic medium or machine readable form for commercial purposes without prior written consent from the copyright holder Note Although we provide assistance on Alicat Scientific products both personally and through our literature it is the complete responsibility of the user to determine the suitability of any product to their application Alicat Scientific Inc s Wide Range Laminar Flow Element Patent The wide range laminar flow element and products using the wide range laminar flow element are covered by U S Patent Number 5 511 416 Manufacture or use of the wide range laminar flow element in products other than Alicat Scientific products or other products licensed under said patent will be deemed an infringement Limited Lifetime Warranty Alicat Scientific Inc warrants to the original purchaser hereinafter referred to as Buyer that instruments manufactured by Alicat Scientific hereinafter referred to as Product shall be free from defects in materials and workmanship for the life of the Products Under this warranty the Product will be repaired or replaced at manufacturer s option without charge for pa
25. Sending a Simple Script File to HyperTerminal It issometimes desirable to capture data for an extended period of time Standard streaming mode information is useful for short term events however when capturing data for an extended period of time the amount of data and thus the file size can become too large very quickly Without any special programming skills you can use HyperTerminal and a text editing program such as Microsoft Word to capture text at defined intervals 1 Open your text editing program MS Word for example 2 Set the cap lock on so that you are typing in capital letters 3 Beginning at the top of the page type A lt Enter gt repeatedly If you re using MS Word you can tell how many lines you have by the line count at the bottom of the screen The number of lines will correspond to the total number of times the flow device will be polled and thus the total number of lines of data it will produce For example gt gt gt gt gt 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 as many lines as you wish go to the File menu and select save In the save dialog box enter a path and file name as desired and in the Save as Type box select the plain text txt option It is important that it be saved as a generic text file for HyperTerminal to work with it 5 Click Save 6
26. TX RS 232 or RS 485 5 DGD 5 GND Pin out diagrams for all PROFIBUS enabled se an 3 NG 5 H o 7 to Alicat devices are shown 8 D GND 9 NC 9 NC 1 8 NPT Both Sides T el I 525 1 05 2x 8 32 UNC Y 350 35 MC 1SLPM PROFIBUS PROFIBUS MC1SLPM shown to provide PROFIBUS connector dimensions only Flow body and valve dimensions will vary with range Please see Alicat s device specifications for complete dimensions PROFIBUS units do not have a display screen 51 Information for Alicat DeviceNet Compatible Instruments DeviceNet OVERVIEW Alicat DeviceNet compatible instruments support the Predefined Master Slave Connection Set There are two connectors on the Alicat meter controller The DeviceNet standard M12 Micro Connector found on the top of the unit is required for DeviceNet operations The other connector is a DB9 on the side of the unit provided for convenience and is not necessary for operation of the DeviceNet compatible Alicat meter controller The DB9 connector can be used for RS 232 communication see DB9 pin out as shown Below DeviceNet CONNECTION Utilizing the standard DeviceNet M12 micro connector allows the Alicat meter controller to be easily attached to a DeviceNet network The pin out as defined in Volume Three of the DeviceNe
27. acturer Ph 528 298 6868 Press MODEL INFO to show important Fax 528 298 8189 information about your flow meter including the model number serial number and date of manufacture Press BACK to return to the MFG DATA display Push MAIN to return to the Main display MODEL M IBSLPH D SERIAL NO 80443 DATE MFG 18 0 2 2 DATE CAL 10 7972012 CAL BY DL SW REV 2U62 21 RS 232 RS 485 Output and Input Configuring HyperTerminal 1 Open your HyperTerminal RS 232 RS 485 terminal program installed under the Accessories menu on all Microsoft Windows operating systems 2 Select Properties from the file menu 3 Click on the Configure button under the Connect To tab Be sure the program is set for 19 200 baud or matches the baud rate selected in the RS 232 RS 485 communications menu on the meter and an 8 N 1 None 8 Data Bits No Parity 1 Stop Bit and no Flow Control protocol 4 Under the Settings tab make sure the Terminal Emulation is set to ANSI or Auto Detect 5 Click on the ASCII Setup button and be sure the Send Line Ends with Line Feeds box is not checked and the Echo Typed Characters Locally box and the Append Line Feeds to Incoming Lines boxes are checked Those settings not mentioned here are normally okay in the default position 6 Savethe settings close HyperTerminal and reopen it In Polling Mode the screen should be blank except the blinking cursor In order to g
28. ailable between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15 Pin Out Alicat Style 00000000 9000Q0Q Male Connector Front View Female Connector Front View Ground Primary Analog Signal Output Ground N C Power Supply Vdc N C N C Analog Tare meters when grounded Analog Set Point Input controllers Power Supply Common Ground Secondary Analog Signal Output fixed 5 12Vdc N C Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments are custom configured to some extent NOTE Pins 1 3 9 10 and 14 are connected together inside of the device and are common grounding points N C Not Connected Open can be used for custom pin assignments please consult factory 65 DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15A equipped Alicat Not all features may be available between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15A Pin Out Aalborg Style Ground Primary Analog Signal Output Ana
29. ated above shall be conclusive evidence that the warranty is fulfilled to the full satisfaction of Buyer Alicat makes no warranty as to experimental non standard or developmental Products Accessories purchased from Alicat are not covered by this warranty Conformity Supplemental Information The product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC including 93 68 EEC and carries the CE Marking accordingly Contact the manufacturer for more information 09 28 2012 Rev 23 DOC ALIMAN16 Thank you for purchasing an Alicat Gas Flow Meter Please take the time to read the information contained in this manual This will help to ensure that you get the best possible service from your instrument This manual covers the following Alicat Scientific instruments M Series Mass Gas Flow Meters This includes M Series devices labeled as approved for CSA Class 1 Div 2 and ATEX Class 1 Zone 2 hazardous environments See pages 71 and 72 for Special Conditions regarding the use of CSA ATEX labeled devices MS Series Mass Gas Flow Meters MS Series Flow Meters are for use with certain aggressive gases see page 46 MQ Series Mass Gas Flow Meters MQ Series Flow Meters are for use with certain high pressure applications see page 50 MB Series Portable Gas Flow Meters All MB Series Portable Gas Flow Meters operate in accordance with the instructions found in this manual Please see page 5
30. by pushing the button above PSIA The engineering unit associated with absolute pressure is pounds per square inch absolute PSIA This can be converted to gage pressure PSIG by subtracting local atmospheric pressure from the absolute pressure reading PSIG PSIA Local Atmospheric Pressure Gas Temperature M Series flow meters measure the incoming temperature of the gas flow The temperature is displayed in degrees Celsius C This parameter is m moved to the primary display by pushing the button above C F R LN UP LN DN MODE Pushing the button again allows you to select C Celsius K Kelvin F Fahrenheit or R Rankine for the temperature scale CANCEL To select a temperature scale use the LN UP and LN DN buttons to position the arrow in front of the desired scale Press SET to record your selection and return to the MAIN display The selected temperature scale will be displayed on the screen Tare Pushing the TARE V button tares the flow meter and provides it with a reference point for zero flow This is an important step in obtaining accurate measurements It is best to zero the flow meter each time it is powered up If the flow reading varies significantly from zero after an initial tare give the unit a minute or so to warm up and re zero it If possible zero the unit near the expected operating pressure by positively blocking the flow downstream of the flow meter prior to pushing t
31. can usually be mounted in any position PLUMBING EY Your meter is shipped with plastic plugs fitted in the port openings To lessen the chance of contaminating the flow stream do not remove these 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 M Series Gas Flow Meters have female inlet and outlet port connections Welded VCR and other specialty fittings may have male ports The inlet and outlet port sizes process connections for different flow ranges are shown on pages 38 41 Meters with M5 10 32 ports have O ring face seals and require no sealant or tape Do not use tape with welded or o ring fittings For non M5 10 32 ports use thread sealing Teflon tape to prevent leakage around the port threads Do not wrap the first two threads This will minimize the possibility of getting tape into the flow stream and flow body compounds can cause permanent damage to the meter should they get into the flow stream 8 Do not use pipe dopes or sealants on the process connections as these We recommend that a 20 micron filter be installed upstream of meters with full scale ranges of 1 S LPM or less and a 40 micron filter be installed upstream of meters with full scale ranges above 1 S LPM No straight runs of pipe are required upstream or downstream of the meter PRESSURE Maximum operating line pressure is 145 PSIG 1 MPa If the line pressure i
32. ceives when it receives it You can also capture the data to another file as described in the manual under Collecting Data You will be simultaneously sending it a script file and capturing the output to a separate file for analysis 28 Operating Principle All M Series Gas Flow Meters and MC Series Gas Flow Controllers are based on the accurate measurement of volumetric flow The volumetric flow rate is determined by creating a pressure drop across a unique internal restriction known as a Laminar Flow 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 laminar streamline flow is established for the entire range of operation ofthe device Unlike other flow measuring devices in laminar flow meters the relationship between pressure drop and flow is linear The underlying principle of operation of the 16 Series flow meters is known as the Poiseuille Equation Q P P er 8nL Equation 1 Where Q Volumetric Flow Rate P z Static pressure at the inlet P Static pressure at the outlet r Radius of the restriction n z eta absolute viscosity of the fluid LE Length of the restriction Since E r and L are constant Equation 1 can be rewritten as Q K AP n Equation 2 Where K is a constant factor determined by the geometry of the restriction Equation 2 shows the linear re
33. chnical advice in connection with Buyer s order of the Products furnished hereunder If Product becomes obsolete Alicat Scientific at its own discretion reserves the right to repair the Product with available replacement parts or upgrade the Product to a current commercially available version of the original Product Should upgrading the Product be deemed necessary by Alicat Buyer hereby agrees to pay an upgrade fee equal to seventy percent of the retail value of the replacement Product Alicat Scientific hereunder makes no claim that replacement Products will look function or operate in the same or similar manner as the original product When a Product is returned to Alicat Scientific for recalibration this service is considered normal preventative maintenance Recalibration of Product shall not be treated as a warranty service unless recalibration of Product is required as the result of repairs to Product pursuant to this Warranty Failure to recalibrate Product on a yearly basis will remove any and all obligations regarding repair or replacement of Product as outlined by this Warranty to Buyer from Alicat Scientific This Warranty is in lieu of all other relevant warranties expressed or implied including the implied warranty of merchantability and the implied warranty of fitness for a particular purpose and any warranty against infringement of any patent Continued use or possession of Products after expiration of the applicable warranty period st
34. ded Unit ID Any Unit ID change will take effect when Communication Select is exited If the symbol is selected as the Unit UNIT ID ID the device will enter streaming mode E when Communication Select is exited See RS 232 Communications page 23 for C information about the streaming mode Baud Both this instrument and your computer must send receive data at the BACK PESETA same baud rate The default baud rate for this device is 19200 baud Press the Select button until the arrow is in front of Baud Use the UP and DOWN buttons to select the baud rate that matches your computer The choices are 38400 19200 9600 or 2400 baud Any baud rate change will not take effect until power to the unit is cycled 19 MISCELLANEOUS Miscellaneous is accessed by pressing the MISC button on the Select Menu display NOTE All Miscellaneous changes are recorded when you exit Miscellaneous ZERO BAND refers to Display Zero Deadband Zero deadband is a value below which the display jumps to zero This deadband is often desired to prevent electrical noise from showing up on the display as minor flows or pressures that do not exist Display Zero Deadband does not affect the analog or digital signal outputs ZERO BAND can be adjusted between 0 and 3 296 of the sensor s Full Scale FS TEN Press ZERO BAND Then use SELECT to BAND AVG AVG choose the decimal with the arrow and the UP and DOWN buttons to change the value Press SET to
35. e Type 0x1A SUPPORTED CLASSES Identity Object Class Ox01 SUPPORTED ATTRIBUTES 3 Get Product Code See Product Codes Get Alicat Scientific Inc MFC DeviceNet Object Class 0x03 DeviceNet Assembly Object Class 4 Connection Object Class 0x05 S Device Supervisor Class 0x30 53 Technical Data for DeviceNet Meters Gauges and Controllers NOTICE The following specifications are applicable to Alicat DeviceNet enabled meters gauges and controllers only All other operating specifications are shown in the Technical Data page for standard Alicat instruments All standard device features and functions are available and operate in accordance with the standard Alicat operating manual provided with the device Specification Meter or Small Valve Large Valve Description P Gauge Controller Controller P Input Output Signal DeviceNet Digital Electrical Connections M12 Micro Connector Supply Voltage 7 to 30 Vdc 12 to 30 Vdc 24 to 30 Vdc 80mA 12Vdc 295mA 12Vdc Supply Current 65mA 24Vdc 280mA 24Vdc 780mA 24Vdc 4 785 4 067 350 Bad 525 1 8 NPT C 8088 5 Both Sides 2 225 4 H 7 r 150 r 125 o o 90 1 T l B 925 o 6 T e 350 325 2X D 8 32UNC Y ur DeviceNet MC10SLPM shown to provide DeviceNet conn
36. e to 25 C and 14 696 PSIA and the compressibility factor of the gas under those conditions This allows the user to multiply the mass flow rate by the density of the real gas at those standard conditions to get the mass flow rate in grams per minute Because we incorporate the compressibility factor into our full gas model attempts to manually compute mass flows from only the P V and T values shown on the display will sometimes result in modest errors Note Although the correct units for mass are expressed in grams kilograms etc it has become standard that mass flow rate is specified in SLPM standard liters minute SCCM standard cubic centimeters minute or SmL M standard milliliters minute This means that mass flow rate is calculated by normalizing the volumetric flow rate to some standard temperature and pressure STP By knowing the density at that STP one can determine the mass flow rate in grams per minute kilograms per hour etc STP is usually specified as the sea level conditions however no single standard exists for this convention Examples of common reference conditions include 0 C and 14 696 PSIA 25 C and 14 696 PSIA 0 C and 760 torr mmHG 70 F and 14 696 PSIA 68 F and 29 92 inHG 20 C and 760 torr mmHG M Series Flow Meters reference 252C and14 696 PSIA 101 32kPa unless ordered otherwise and specified in the notes field of the calibration sheet STANDARD GAS DATA TABLES Those of you wh
37. ection please be sure to reference the following pin out diagram A locking industrial connector is standard on all CSA ATEX approved devices It is also available as an option on all other Alicat instruments Pin Function Cable Color 1 Power In Red 2 RS 232TX RS 485 Blue 3 RS 232RX RS 485 White 4 Remote Tare Meters Ground to Tare Green 5 Analog Set Point Input Controllers Ground common for power Black communications and signals Signal Out Voltage or Current as Brown ordered Six pin Industrial Connector Note The above pin out is applicable to all the flow meters and controllers ordered with the industrial connector The availability of different output signals depends on the flow meter options ordered 62 DB9 Pin Outs If your Alicat instrument was ordered with a DB9 connection please reference the following pin out diagram O 00000 Standard DB9 Pin Out Female Connector Inactive or optional 4 20mA Primary Output Signal Static 5 12 Vdc or Secondary Analog Output 4 20mA 5Vdc 10Vdc or Basic Alarm 3 Serial RS 232RX or RS 485 Pin 1 3 Analog Input Signal 4 20mA 5Vdc or 10Vdc short to ground 5 6 7 8 5 for remote tare function on non controllers 5 Serial RS 232TX or RS 485 0 10 Vdc Output Signal 7 Note The above pin out is applicable to all flow meters and contr
38. ector COM PORT connects using the included cable to the serial connector on a PC or laptop All of the flow and or pressure devices are powered via a terminal block on the front of the box If more than nine devices will be required additional Multi Drop Boxes can be daisy chained together with a double ended 8 pin mini DIN cable plugged into any receptacle on both boxes BB9 Power Supply for Large Valve Controllers The PS24VHC Power Supply 24Vdc High Current is a 6 5Amp 24Vdc power supply designed for running multiple large controllers on a BB9 The 6 5Amp power supply can run as many as 8 large valve controllers which makes it ideal for the BB9 and multiple large valve or small valve large valve combination controllers on a BB9 BB9 Multi Drop Box H 1 55 A 156 Thru 4 Places 70 7 Y f H O Y 1 75 3 46 HOO O Y 0 D 340 Thru 2 PL L 6 175 Thru 2 PL 58 Accessory Flow Vision SC Software Flow Vision SC is an intuitive software interface to help your test cycles run smoother and shorten your engineering time Flow Vision SC lets you connect to and communicate with multiple Alicat units simultaneously Now you can view virtual displays control tabs charts and data lines from every connected Alicat device on the same screen Flow Vision SC supports all RS 232 and RS 485 Serial communication
39. ector dimensions only Flow body and valve dimensions will vary with range Please see Alicat s device specifications for complete dimensions DeviceNet units do not have a display screen 54 Option Totalizing Mode Meters and Controllers can be purchased with the Totalizing Mode option This option adds an additional mode screen that displays the total flow normally in the units of the main flow screen that has passed through the device since the last time the totalizer was cleared The Totalizing Mode screen is accessed by pushing the TOTAL button on the MAIN display ELAPSED MASS SEC UNES TE 6 MASS TOTAL The counter can have as many as six digits At the time of order the customer must specify the range This directly affects 8 8 z the maximum count For instance if a range of 1 100ths of a liter is specified on a meter BACK RESET MENU which is totalizing in liters the maximum count would be 9999 99 liters If the same unit were specified with a 1 liter range the maximum count would be 999999 liters Rollover The customer can also specify at the time of order what the totalizer is to do when the maximum count is reached The following options may be specified No Rollover When the counter reaches the maximum count it stops counting until the counter is cleared Rollover When the counter reaches the maximum count it automatically rolls over to zero and continues counting until the counter is cleared
40. elsius Zero Shift 0 02 Full Scale Celsius Atm Span Shift 0 02 Full Scale Celsius Atm Humidity Range 0 to 100 Non Condensing Measurable Flow Rate 12896 Full Scale Maximum Pressure 145 PSIG Output Signal Digital Mass Volume Pressure amp Temperature RS 232 Serial or RS 485 Serial or PROFIBUS or DeviceNet 1 Output Signal Analog Mass Flow 0 5Vdc Optional Output Signal Mass Volumetric 0 5 Vdc or 0 10Vdc Secondary Analog Pressure or Temperature or 4 20mA Electrical Connections 8 Pin Mini DIN DB9 or DB15 Supply Voltage 7 to 30 Vdc 15 30Vdc for 4 20mA outputs Supply Current 0 040 Amp output current on 4 20mA Mounting Attitude 0 Tare after installation Sensitivity Warm up Time lt 1 Second Wetted Materials 303 amp 302 Stainless Steel Viton Silicone RTV Rubber Glass Reinforced Nylon Aluminum for available options 1 If selecting PROFIBUS or DeviceNet no analog signal is available PROFIBUS DeviceNet units do not have the display See PROFIBUS or DeviceNet specifications for PROFIBUS or DeviceNet supply voltages and currents 2 If your application demands a different material please contact Info alicat com or 888 290 6060 Mechanical Specifications Full Scale Flow Mass Mechanical Process Pressure Drop Meter 100SCCM to 20SLPM Dimensions 4 170 x 24 x 1 1 D Connections 1 8 NPT Female PSID 1 0
41. en any item flashes neither the flashing parameter nor the mass flow measurement is accurate Reducing the value of the flashing parameter to within specified limits will return the unit to normal operation and accuracy Flashing Error Message An error message MOV mass overrange If the unit does return to normal operation contact Alicat 16 SELECT MENU From Select Menu you can change the selected gas interact with your RS 232 RS 485 settings or read manufacturer s data Press the button next to the desired operation to bring that function to the screen MODEL INFO ALICAT SCIENTIFIC PRESS FLOW Ph 520 290 6060 UNIT ID AVG Fax 520 290 0109 R LCD BRCK CONTRAST MAIN Manufacturer Data Communications Select p MFG R5232 DATA COMM LN UP LN DN MODE PR cH TRRE V C2H6 Ethane SCCM H2 Hudrogen He Helium 000 Bir N2 Nitrogen x N20 Nitrous Oxide Ne Neon 0 000 0 00 TANEL CEM SCCM Select Menu Gas Select An explanation for each screen can be found on the following pages 17 GAS SELECT Gas Select is accessed by pressing the button below GAS SELECT on the Select Menu display LN UP LN DH MODE To select a gas use the LN UP and CHE Ethane LN DN buttons to position the arrow in H2 Hydrogen front of the desired gas He HUILA Press MODE and then PG UP or PG DN HZ Nitrogen 1 N20 Nitrous Oxide to view a new page in the gas list Ne Neon Press SET to record your selectio
42. er serial port as shown on page 8 See page 22 for details on accessing RS 232 RS 485 output Standard Voltage 0 5 Vdc Output Signal M Series flow meters equipped with a 0 5 Vdc optional 0 10 Vdc will have this output signal available on Pin 6 This output is generally available in addition to other optionally ordered outputs This voltage is usually in the range of 0 010 Vdc for zero flow and 5 0 Vdc for full scale flow The output voltage is linear over the entire range Ground for this signal is common on Pin 8 Optional 0 10 Vdc Output Signal If your meter was ordered with a 0 10 Vdc output signal it will be available on Pin 6 See the Calibration Data Sheet that shipped with your meter to determine which output signals were ordered This voltage is usually in the range of 0 010 Vdc for zero flow and 10 0 Vdc for full scale flow The output voltage is linear over the entire range Ground for this signal is common on Pin 8 Optional Current 4 20 mA Output Signal If your meter was ordered with a 4 20 mA current output signal it will be available on Pin 1 See the Calibration Data Sheet that shipped with your meter to determine which output signals were ordered The current signal is 4 mA at 0 flow and 20 mA at the meter s full scale flow The output current is linear over the entire range Ground for this signal is common on Pin 8 Current output units require 15 30Vdc power Optional 2nd Analog Output Signal You may s
43. et 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 RS 485 communication select menu select 9 as identifier and exit the screen If data still does not appear check all the connections and com port assignments Tareing via RS 232 RS 485 Tare Tareing or zeroing the flow meter provides it with a reference point for zero flow This isa simple but important step in obtaining accurate measurements It is good practice to zero the flow meter each time it is powered up A unit may be Tared by following the instructions on page 10 or it may be Tared via RS 232 RS 485 input To send a Tare command via RS 232 RS 485 enter the following strings In Streaming Mode SSV lt Enter gt In Polling Mode Address SV lt Enter gt e g BSSV lt Enter gt 22 Changing From Streaming to Polling Mode When the meter is in the Streaming Mode RS 485 units do not have a streaming mode the screen is updated approximately 10 60 times per second depending on the amount of data on each line so that the user sees the data essentially in real time It is sometimes desirable and necessary when using more than one unit on a single RS 232 line to be able to poll the unit In Polling Mode the unit measures the flow normally but only sends a line of data when it is polled Each unit can be given its own unique identifier or addre
44. functions including gas selection tareing set point control valve tuning and flow averaging Session Saving Save and reload your configuration data with confidence Script Building Create scripts to adjust a controller s set point value at variable specified time intervals Charting Chart as many parameters as you want off as many devices as you want with color coding zooming and printing functionality Alarms Create software alarms that will notify you of given parameter conditions Data Capture amp Logging Capture and log data to either a csv file or a txt file Improved Data Logging and Data Log File Splitting for easy to manage data Accessory Flow Vision MX Software Alicat s New Flow Vision MX software gives you an easy way to do GAS BLENDING using Alicat Mass Flow Controllers and your own PC Flow Vision MX software is a simple way to connect up to six Alicat mass flow controllers and create your own gas mix concentrations Using our inexpensive BB9 USB and a single USB connection you can e Create your own gas blends e Adjust flow rates e Save your specific blend formulas All the controllers can be powered through the BB9 USB with a single power supply Just connect your unique gases to each controller select the gas type either locally on the controller or through Flow Vision MX manifold the flow outputs and create your gas mix 59 Accessories DC 251 8 Pin Male Mini DIN connector cable
45. he TARE button Zeroing the unit while there is any flow will directly affect the accuracy 2 by providing a false zero point If in doubt about whether a zero flow condition exists remove the unit from the line and positively block both ports before pressing the TARE button If the unit reads a significant negative value 15 when removed from the line and blocked it was given a false zero It is better to zero the unit at atmospheric pressure and a confirmed no flow condition than to give it a false zero under line pressure Volumetric Flow Rate This parameter is located in the lower left of the display It is moved to the primary display by pushing the button below CCM in this example Your display may show a different unit of measure Mass Flow Rate The mass flow rate is the volumetric flow rate corrected to a standard temperature and pressure typically 14 696 psia and 25 C This parameter is located 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 To get an accurate volumetric or mass flow rate the gas being measured must be selected See Gas Select page 18 MENU Pressing MENU switches the screen to the Select Menu display VOV volumetric overrange POV pressure overrange TOV temperature overrange flashes when a measured parameter exceeds the range of the sensor Wh
46. igital Pressure amp Temperature Serial or PROFIBUS or DeviceNet Output Signal Analog Mass Flow 0 5Vdc Optional Output Signal Mass Flow Volumetric 0 5 Vdc or 0 10Vdc Secondary Analog Pressure or Temperature or 4 20mA Electrical Connections 8 Pin Mini DIN DB9 or DB15 7 to 30 Vdc 15 30Vdc for 4 20mA Supply Voltage outputs Supply Current 0 040 Amp output current on 4 20mA Mounting Aud 096 Tare after installation Sensitivity Warm up Time lt 1 Second Wetted Materials 303 amp 302 Stainless Steel Viton Silicone RTV Rubber Glass Reinforced Nylon Aluminum for available options 1 If selecting PROFIBUS or DeviceNet no analog signal is available PROFIBUS DeviceNet units do not have the display See PROFIBUS or DeviceNet specifications for PROFIBUS or DeviceNet supply voltages and currents 2 If your application demands a different material please contact Info alicat com or 888 290 6060 Mechanical Specifications Full Scale Flow Mass Mechanical Process Pressure Drop Meter Dimensions Connections PSID 50SLPM p P T 2 0 100SLPM 4 4 H x 4 0 W x 1 6 D 1 4 NPT Female 25 250SLPM 5 0 H x 4 0 W x 1 6 D 1 2 NPT Female 2 1 1 Compatible with Beswick amp Swagelok tube Parker face seal push connect and compression adapter fittings 2 Venting to atmosphere Lower Pressure Drops Available please contact Info alicat com or
47. ing the temperature and pressure of the gas and thus the density the mass of the gas cannot be determined 30 Once the corrected mass flow rate at standard conditions has been determined and the density at standard conditions is known see the density table at the back of this manual a true mass flow can be calculated as detailed in the following example Mass Flow Meter Reading 250 SCCM Standard Cubic Centimeters Minute Gas Helium Gas Density at 25C and 14 696 PSIA 16353 grams Liter True Mass Flow Mass Flow Meter Reading X Gas Density True Mass Flow 250 CC min X 1 Liter 1000 CC X 16353 grams Liter True Mass Flow 0 0409 grams min of Helium Volumetric and Mass Flow Conversion In order to convert volume to mass the density of the gas must be known The relationship between volume and mass is as follows Mass Volume x Density The density of the gas changes with temperature and pressure and therefore the conversion of volumetric flow rate to mass flow rate requires knowledge of density change Using ideal gas laws the effect of temperature on density is 0 p T T Where p z density flow condition T absolute temp flow condition in Kelvin p z density standard reference condition T absolute temp 9 standard reference condition in Kelvin K 2C 273 15 Note 2K 2Kelvin The change in density with pressure can also be described as p p P P Where p density flow c
48. ision 2 Group A B C and D T4 CSA certification is indicated by the product label as shown below and not by the statements in this or any accompanying documentation Special Conditions To comply with CSA certification the following information is included in the product literature e When equipment is properly labeled it is suitable in Class Division 2 Group A B C and D T4 o Tamb 40 C to 50 C e Electrical Rating 24Vdc 0 800A max e Instruments shall be powered by a CSA certified UL listed Class external power supply suitable for the application e Instruments shall be housed in an enclosure with a minimum IP54 rating or location providing equivalent protection e Instruments final approval shall be provided by the local authority having jurisdiction ZaALIGAT SCIENTIFIC CE E 113 G EEx nA IIC T4 Class Div 2 Group A B C and D T4 24 Vdc 0 800A max Class Zone 2 AEx nA IIC T4 X See manual for special conditions WARNINGS EXPLOSION HAZARD DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON HAZARDOUS EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS DIVISION 2 Alicat Scientific Inc Tucson AZ USA SP K Tel 520 290 6060 wie kaa www AlicatScientific com USE of Alicat instruments M MS MC MCS MCR MCRS P PS PC PCS PCR and PCRS product families only in applications requiring ATEX Certification Properly labeled Alicat instru
49. isplay which would result in slower perceived response time Please see Pressure Averaging and Flow Averaging on page 20 Jumps to zero at low flow M Series Meters feature a programmable zero deadband The factory setting is usually 0 596 of full scale This can be adjusted between NONE and 3 296 of full scale See page 20 Discrepancies between old and new units Please see Standard Gas Data Tables explanation on page 32 36 Maintenance and Recalibration General M Series Flow Meters require minimal maintenance They have no moving parts The single most important thing that affects the life and accuracy of these devices is the quality of the gas being measured The meter is designed to measure CLEAN DRY NON CORROSIVE gases A 20 micron filter 50 micron for 5OLPM and up mounted upstream of the meter is highly recommended Moisture oil and other contaminants can affect the laminar flow elements and or reduce the area that is used to calculate the flow rate This directly affects the accuracy Recalibration The recommended period for recalibration is once every year A label located on the back of the meter lists the most recent calibration date The meter should be returned to the factory for recalibration within one year from the listed date Before calling to schedule a recalibration please note the serial number on the back of the meter The Serial Number Model Number and Date of Manufacture are also available on the
50. lationship between volumetric flow rate Q differential pressure AP and absolute viscosity n in a simpler form Gas Viscosity In order to get an accurate volumetric flow rate the gas being measured must be selected see Gas Select Mode page 14 This is important because the device calculates the flow rate based on the viscosity of the gas at the measured temperature If the gas being measured is not what is selected an incorrect value for the viscosity of the gas will be used in the calculation of flow and the resulting output will be inaccurate in direct proportion to the difference in the two gases viscosities Gas viscosity and thus gas composition can be very important to the accuracy of the meter Anything that has an effect on the gas viscosity e g water vapor odorant additives etc will have a direct proportional effect on the accuracy Selecting methane and measuring natural gas for instance will result in a fairly decent reading but it is not highly accurate errors are typically lt 0 6 because natural gas contains small and varying amounts of other gases such as butane and propane that result in a viscosity that is somewhat different than pure methane Absolute viscosity changes very little with pressure within the operating ranges of these meters therefore a true volumetric reading does not require a correction for pressure Changes in gas temperature do affect viscosity For this reason the M Series internally com
51. lectronics up to 6 feet away from the sensor package Relocating the sensitive electronics allows for installation of the flow body in ambient temperatures as high as 85 Celsius with gas temperatures under 100 Celsius In these applications we recommend our custom gauge calibration at a gas temperature of up to 70 Celsius This will reduce zero shift errors that occur when actual gas flow temperatures deviate substantially from the gas calibration temperature This configuration is also used in integrations that require a compact flow package at the installation point Option Remote Panel Display Our Remote Display option offers the flexibility of using Alicat s display with units that are embedded inside processes or instrument enclosures The Remote Display retains all of the same features as our standard display The Remote Display is ideal for OEMs Remote Panel Mounting Embedded Systems e Gas Panels e Fuel Cell Test Stations e Leak Detection Systems e Artificial Environments 57 Accessory BB9 Multi Drop Box The BB9 Multi Drop Box makes it convenient to wire multiple flow and or pressure devices to a single RS 232 or RS 485 port Now available with a USB interface The Multi Drop Box has nine 8 pin mini DIN ports available The ports are to be used with a standard double ended 8 pin mini DIN DC 62 style cable going from the box to each flow or pressure device A single DB9 D SUB type conn
52. log Tare meters when grounded Analog Set Point Input controllers Ground Power Supply Common Power Supply Vdc RS 232 Tx send RS 485 A receive RS 232 Rx receive RS 485 A send Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments are custom configured to some extent Added to allow for full use of features on Alicat devices may not be present on host wiring NOTE Pins 1 4 5 6 and 9 are connected together inside of the device and are common grounding points N C Not Connected Open can be used for custom pin assignments please consult factory 66 DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15B equipped Alicat Not all features may be available between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15B Pin Out Brooks Style Male Connector Front View Female Connector Front View Function Ground Primary Analog Signal Output N C N C Power Supply Vdc N C N C Analog Tare meters when grounded Analog Set Point Input controllers Power Supply C
53. ments comply to the following ATEX standard Ey 3 G EEx nA IIC T4 40 C s Ta s 50 C The examination certificate was issued by the CSA in accordance with accepted practices and procedures This confirms compliance with the European ATEX Directive or Group Il Category 3G equipment ATEX certification is indicated by the product label as shown above and not by the statements in this or any accompanying documentation Special Conditions e Properly labeled equipment is only certified for use in ambient temperatures in the range of 40 C to 50 C only e Electrical Rating 24Vdc 0 800A max e Instruments shall be powered by a CSA certified UL listed Class external power supply suitable for the application e Instruments shall be housed in an enclosure with a minimum IP54 rating or location providing equivalent protection e Instruments final approval shall be provided by the local authority having jurisdiction 72
54. n and CANCEL return to the MAIN display The selected gas will be displayed on the screen Note Gas Select may not be available on units ordered with a custom gas or blend Alicat Standard Gas Select List Air Air Ar Argon CH4 Methane co Carbon Monoxide co2 Carbon Dioxide C2H6 Ethane H2 Hydrogen He Helium N2 Nitrogen N20 Nitrous Oxide Ne Neon 02 Oxygen C3H8 Propane n C4H10 normal Butane C2H2 Acetylene C2H4 Ethylene i C2H10 iso Butane Kr Krypton Xe Xenon SF6 Sulfur Hexafluoride C 25 75 Argon 25 CO2 C 10 90 Argon 10 CO2 C 8 92 Argon 896 CO2 C2 9896 Argon 296 CO2 C 75 7596 CO2 2596 Argon A 75 7596 Argon 2596 Helium A 25 75 Helium 25 Argon A1025 90 Helium 7 5 Argon 2 5 CO2 Praxair Helistar A1025 Star29 90 Argon 8 CO2 2 Oxygen Praxair Stargon CS P 5 95 Argon 5 Methane 18 COMMUNICATION SELECT Access Communication Select by pressing the button above RS232 COMM or RS485 COMM on the Select Menu display UNIT ID BRUD Unit ID Valid unit identifiers are the A letters A Z and 9 The identifier allows you to assign a unique address to each device so that multiple units can be connected to a single RS 232 or RS 485 computer port Press UNIT ID Use the UP and DOWN buttons to change the Unit ID Press SET to record the ID Press Reset to return to the previously recor
55. ng 70 Additional Information for Alicat CSA and ATEX Approved Devices See the following page for Special Conditions regarding the use of these units C n3G EEx nA IIC T4 Class I Div 2 Group A B C and D T4 24 Vdc 0 800A max Class I Zone 2 AEx nA IIC T4 WARNINGS EXPLOSION HAZARD DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON HAZARDOUS EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS DIVISION 2 All Alicat CSA ATEX approved devices are equipped with a locking 6 pin industrial connector The power and signal connections are shown below Pin Function Cable Color 1 Power ln Red 2 RS 232TX RS 485 Blue 3 RS 232RX RS 485 White 4 Analog Input Signal Green 5 Ground common for power Black communications and signals 6 Signal Out Voltage or Current as ordered Brown Industrial Connector Overall Clearance O a Minimum Cable Bend Removal Clearance Min Clearance w 3 White IC 10 Locking Industrial Cable Clearance Requirements for Industrial Connector 71 USE of Alicat instruments M MS MC MCS MCR MCRS P PS PC PCS PCR and PCRS product families only in Class 1 Division 2 applications CSA certifies the use of this product for general use as well as use in hazardous locations as defined by Class 1 Div
56. nical Data for the equivalently ranged M Series instrument for all operating specifications except Operating Range 196 to 10096 Full Scale Turndown Ratio 100 1 316LSS FFKM Kalrez standard Viton EPDM as needed for some gases Wetted Materials The dimensions of MQ instruments are equal to those of their MS counterparts Dimensional drawings for MS instruments are shown on page 45 47 50 Technical Data for PROFIBUS Meters Gauges and Controllers NOTICE The following specifications are applicable to Alicat PROFIBUS enabled meters gauges and controllers only All other operating specifications are shown in the Technical Data page for standard Alicat instruments All standard device features and functions are available and operate in accordance with the standard Alicat Scientific device operating manual provided with the device Meter or Small Valve Large Valve Spa Gauge Controller Controller Description Input Output Signal Digital PROFIBUS DP Electrical Connections DB9 Supply Voltage 7 to 30 Vdc 12 to 30 Vdc 24 to 30 Vdc 80mA 12Vdc 295mA 12Vdc Supply Current gr 24Vdc 280mA 24Vdc 780mA 24Vdc Power and Signal Connections TOP SIDE Connect to the device using two DB9 510000011 1 5 connectors 6 1 NC 1 NC The female top connection is PROFIBUS 2 OPT GND 2 RS232RX The male connection on the side is power and 1 a RS232
57. nimize lag and dead volume 35 Flow flutters or is jumpy The meters are very fast and will pick up any actual flow fluctuations such as from a diaphragm pump etc Also inspect the inside of the upstream connection for debris such a Teflon tape shreds Note M Series meters feature a programmable geometric running average GRA that can aid in allowing a rapidly fluctuating flow to be read see Pressure Averaging and Flow Averaging page 20 The output signal is lower than the reading at the display This can occur if the output signal is measured some distance from the meter as voltage drops in the wires increase with distance Using heavier gauge wires especially in the ground wire can reduce this effect RS 232 RS 485 Serial Communications is not responding Check that your meter is powered and connected properly Be sure that 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 RS 485 communications select screen for current meter readings Close Hyperterminal and reopen it Reboot your PC See pages 10 11 and 22 for more information on RS 232 RS 485 signals and communications Slower response than specified M Series Meters feature a programmable Geometric Running Average GRA Depending on the full scale range of the meter it may have the GRA set to enhance the stability readability of the d
58. o have older Alicat products manufactured before October 2005 may notice small discrepancies between the gas property tables of your old and new units Alicat Scientific Inc has incorporated the latest data sets from NIST including their REFPROP 7 data in our products built in gas property models Be aware that the calibrators that you may be using may be checking against older data sets such as the widely distributed Air Liquide data This may generate apparent calibration discrepancies of up to 0 6 of reading on well behaved gases and as much as 3 of reading on some gases such as propane and butane unless the standard was directly calibrated on the gas in question As the older standards are phased out of the industry this difference in readings will cease to be a problem If you see a difference between the Alicat meter and your in house standard in addition to calling Alicat Scientific at 520 290 6060 call the manufacturer of your standard for clarification as to which data set they used in their calibration This comparison will in all likelihood resolve the problem 32 Viscosity Density Compressibilit ou Long Form 25 deg c 25 25 deg C 4 14 696 PSIA 14 696 PSIA 14 696 PSIA 0 Air Air 184 918 1 1840 0 9997 1 Ar Argon 225 593 1 6339 0 9994 2 CH4 Methane 111 852 0 6569 0 9982 3 CO Carbon Monoxide 176 473 1 1453 0 9997
59. ollers with the DB9 connector The availability of different output signals depends on the options ordered Underlined Items in the above table are optional configurations that are noted on the unit s calibration sheet Do not connect RS 485 to RS 232 units Check part number or contact factory to verify RS 485 functionality Due to variance in cable manufacturing please identify proper wiring pins via continuity check amp color when using bare cut multi strand cables 63 Power and Signal Connections Connect to the device using two DB9 connectors The female top connection is PROFIBUS PROFIBUS Pin Outs If your Alicat Instrument was ordered with a PROFIBUS connection please be sure to reference the following pin out diagram The male connection on the side is power and RS 232 or RS 485 Pin out diagrams for all PROFIBUS enabled Alicat devices are shown below CRESS SENDAREN TOP NG OPT GND DP RTS DGD VP OPT 7 to 30VDC DN NC SIDE llo oo o o 5 GL o o o o J9 Sere arte YS NC RS232RX RS232TX NC GND NC 7 to 30VDC GND NC DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15 equipped Alicat Not all features may be av
60. ommon Ground Secondary Analog Signal Output fixed 5 12Vdc RS 232 TX send or RS 485 Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments are custom configured to some extent NOTE Pins 1 9 and 10 are connected together inside of the device and are common grounding points N C Not Connected Open can be used for custom pin assignments please consult factory 67 DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15K equipped Alicat Not all features may be available between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15K Pin Out MKS Style 00000000 Male Connector Front View Female Connector Front View N C Primary Analog Signal Output N C N C Power Supply Common N C Power Supply Vdc Analog Tare meters when grounded Analog Set Point Input controllers N C Ground RS 232 RX receive or RS 485 RS 232 TX send or RS 485 Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments a
61. ondition P z flow absolute pressure p z density standard reference condition P Absolute pressure standard reference condition s Therefore in order to determine mass flow rate two correction factors must be applied to volumetric rate temperature effect on density and pressure effect on density Compressibility Heretofore we have discussed the gases as if they were Ideal in their characteristics The ideal gas law is formulated as PV nRT where P Absolute Pressure V Volume or Volumetric Flow Rate n number moles or Molar Flow Rate R Gas Constant related to molecular weight T Absolute Temperature Most gases behave in a nearly ideal manner when measured within the temperature and pressure limitations of Alicat products However some gases such as propane and butane can behave in a less than ideal manner within these constraints The non ideal gas law is formulated as PV ZnRT Where Z is the compressibility factor This can be seen in an increasingly blatant manner as gases approach conditions where they condense to liquid As the compressibility factor goes down Z 1 is the ideal gas condition the gas takes up less volume than what one would expect from the ideal gas calculation 31 This reduces to Pa Va Z Ta Ps V Zo Te eliminating R and n Alicat mass flow meters model gas flows based upon the non ideal gas characteristics of the calibrated gas The flow corrections are normally mad
62. ou can see because the Argon gas is more viscous than the Air the meter is set for the meter indicates a higher flow than the actual flow A good rule of thumb is At a given flow rate the higher the viscosity the higher the indicated flow Volume Flow vs Mass Flow At room temperature and low pressures the volumetric and mass flow rate will be nearly identical however these rates can vary drastically with changes in temperature and or pressure because the temperature and pressure of the gas directly affects the volume For example assume a volumetric flow reading was used to fill balloons with 250 mL of helium but the incoming line ran near a furnace that cycled on and off intermittently heating the incoming helium Because the volumetric meter simply measures the volume of gas flow all of the balloons would initially be the same size However if all the balloons are placed in a room and allowed to come to an equilibrium temperature they would generally all come out to be different sizes If on the other hand a mass flow reading were used to fill the balloons with 250 standard mL of helium the resulting balloons would initially be different sizes but when allowed to come to an equilibrium temperature they would all turn out to be the same size This parameter is called corrected mass flow because the resulting reading has been compensated for temperature and pressure and can therefore be tied to the mass of the gas Without know
63. pecify an optional 2nd analog output on Pin 2 at time of order See the Calibration Data Sheet that shipped with your meter to determine which output signals were ordered This output may be a 0 5 Vdc 0 10 Vdc or 4 20 mA analog signal that can represent any measured parameter With this optional output a meter could output the mass flow rate 0 5 Vdc on pin 6 and the absolute pressure 0 5 Vdc on pin 2 If your device is CSA ATEX approved or equipped with the optional six pin industrial connector please contact Alicat SYSTEMS AS THIS WILL DESTROY PORTIONS OF THE CIRCUITRY AND VOID THE WARRANTY IF YOU MUST INTERFACE WITH EXISTING LOOP POWERED SYSTEMS ALWAYS USE A SIGNAL ISOLATOR AND A SEPARATE POWER SUPPLY CAUTION DO NOT CONNECT THIS DEVICE TO LOOP POWERED 11 SYSTEMS AS THIS WILL DESTROY PORTIONS OF THE CIRCUITRY AND VOID THE WARRANTY IF YOU MUST INTERFACE WITH EXISTING LOOP POWERED SYSTEMS ALWAYS USE A SIGNAL ISOLATOR AND A SEPARATE POWER SUPPLY CAUTION DO NOT CONNECT THIS DEVICE TO LOOP POWERED Purple Ground SEA ave e Female Serial Cable Front Typical Multiple Device Addressable Wiring Configuration gt The easiest way to connect multiple devices is with a Multi Drop Box see page 58 12 Information for Alicat TFT Color Display Instruments Alicat TFT color display instruments have a high contrast back lit LCD display TFT instruments o
64. pensates for this change 29 Other Gases M Series Flow Meters can easily be used to measure the flow rate of gases other than those listed as long as non corrosive gas compatibility is observed For ex ample a flow meter that has been set for air can be used to measure the flow of argon The conversion factor needed for measuring the flow of different gases is linear and is simply determined by the ratio of the absolute viscosity of the gases This factor can be calculated as follows O Q in 7n Where Q Flow rate indicated by the flow meter n Viscosity of the calibrated gas at the measured temp Q 7 Flow rate of the alternate gas n Viscosity of the alternate gas at the measured temp og Say we have a meter set for air and we want to flow argon through it With argon flowing through the meter the display reads 110 SLPM For ease of calculation let us say the gas temperature is 25 C What is the actual flow of argon Q 7 Actual Argon Flow Rate Q Flow rate indicated by meter 110 SLPM n Viscosity of gas selected or calibrated for by the meter at the measured temp n Viscosity of gas flowing through the meter at the measured temp At 25 C the absolute viscosity of Air n is 184 918 micropoise At 25 C the absolute viscosity of Argon n is 225 593 micropoise Q Q1 n1 n O 110 SLPM 184 918 225 593 Q 90 17 SLPM So the actual flow of Argon through the meter is 90 17 SLPM As y
65. perate in accordance with Alicat standard operating instructions for our monochrome menus and displays with the following differences Multi Color Display Color Codes GREEN Green labels identify the parameters and or adjustments associated with the button directly above or below the label WHITE The color of each parameter is displayed in white while operating under normal conditions RED The color of a parameter is displayed in red when operating conditions for that parameter exceed 12896 of the device s specifications YELLOW Yellow is the equivalent of the selection arrow on the monochrome display LCD Contrast LCD contrast is ranged from 1 to 11 on color displays with 11 being the greatest contrast Display On Off Pushing the button under the Alicat name will turn the device display on or off This feature is not available on monochrome displays Technical Data for TFT Color Display Meters Gauges and Controllers The following specifications are applicable to Alicat TFT color display meters gauges and controllers only All other operating specifications are shown in the Technical Data page for standard Alicat instruments All standard device features and functions are available and operate in accordance with the Alicat operating manual provided with the device Specification Meter or Small Valve Large Valve Gauge Controller Controller Supply Voltage 7 to 30 Vdc 12 to 30 Vdc 24 to 30 Vdc Supply Current 80 mA 1
66. pin 4 with common ground on pin 8 Optional 4 20 mA If specified at time of order a 4 20 mA input signal can be applied to pin 4 with common ground on pin 8 NOTE This is a current sinking device The receiving circuit is essentially a 250 ohm resistor to ground NOTE 4 20mA output requires at least 15 Vdc power input SYSTEMS AS THIS WILL DESTROY PORTIONS OF THE CIRCUITRY AND VOID CAUTION Do NOT CONNECT THIS DEVICE TO LOOP POWERED THE WARRANTY IF YOU MUST INTERFACE WITH EXISTING LOOP POWERED SYSTEMS ALWAYS USE A SIGNAL ISOLATOR AND A SEPARATE POWER SUPPLY A remote tare can be achieved by momentarily grounding pin 4 to tare as shown above RS 232 RS 485 Digital Input Signal To use the RS 232 or RS 485 input signal connect the RS 232 RS 485 Output Signal Pin 5 the RS 232 RS 485 Input Signal Pin 3 and Ground Pin 8 to your computer serial port as shown below See page 23 for details on accessing RS 232 RS 485 input 8 Pin MiniDIN Cable End 8 Pin MiniDIN Connector 9 Pin Serial Connection 8 Pin MiniDIN Connection Pin Pin Function Pin 5 Ground Ground 8 DB9 to Mini DIN Connection for RS 232 RS 485 Signals 10 OUTPUT SIGNALS RS 232 RS 485 Digital Output Signal To use the RS 232 or RS 485 output signal it is necessary to connect the RS 232 RS 485 Output Signal Pin 5 the RS 232 RS 485 Input Signal Pin 3 and Ground Pin 8 to your comput
67. pulation and removes symbols such as the plus signs from the numbers Once the data is in this format it can be graphed or manipulated as desired For extended term data capture see Sending a Simple Script to HyperTerminal on page 27 25 Data Format The data stream on the screen represents the flow parameters of the main mode in the units shown on the display For mass flow meters there are five columns of data representing pressure temperature volumetric flow mass flow and the selected gas The first column is absolute pressure normally in PSIA the second column is temperature normally in C the third column is volumetric flow rate in the units specified at time of order and shown on the display and the fourth column is mass flow also in the units specified at time of order and shown on the display For instance if the meter was ordered in units of SCFM the display on the meter would read 2 004 SCFM and the last two columns of the output below would represent volumetric flow and mass flow in CFM and SCFM respectively 014 70 4025 00 02 004 02 004 Air 014 70 025 00 402 004 02 004 Air 014 70 4025 00 402 004 402 004 Air 014 70 025 00 402 004 402 004 Air 014 70 4025 00 402 004 02 004 Air 014 70 025 00 402 004 02 004 Air M Series Mass Flow Meter Data Format Note On units with the totalizer function the fifth column will be the totalizer value with gas select moving to a sixth column 26
68. ration and accuracy If the unit does not return to normal contact Alicat Meter reads negative flow when there is a confirmed no flow condition This is an indication of an improper tare If the meter is tared while there is flow that flow is accepted as zero flow When an actual zero flow condition exists the meter will read a negative flow Simply re tare at the confirmed zero flow condition Also note that while the meter is intended for positive flow it will read negative flow with reasonable accuracy but not to the full scale flow rate it is not calibrated for bi directional flow and no damage will result Meter does not agree with another meter I have in line Volumetric meters are affected by pressure drops Volumetric flow meters should not be compared to mass flow meters Mass flow meters can be compared against one another provided there are no leaks between the two meters and they are set to the same standard temperature and pressure Both meters must also be calibrated or set for the gas being measured M Series mass flow meters are normally set to Standard Temperature and Pressure conditions of 25 C and 14 696 PSIA Note it is possible to special order meters with a customer specified set of standard conditions The calibration sheet provided with each meter lists its standard conditions When performing this comparison it is best to use the smallest transition possible between the two devices Using small transitions will mi
69. re custom configured to some extent NOTE Pins 5 11 12 and 15 are connected together inside of the device and are common grounding points N C Not Connected Open can be used for custom pin assignments please consult factory Added to allow for full use of features on Alicat devices may not be present on host wiring 68 DB15 Pin Outs If your instrument was ordered with a DB15 connection be sure to check the Calibration Label on the device and reference the appropriate pin out diagram The following pin out chart describes the safest and generally compatible arrangement when connecting a non Alicat DB15 wire to a DB15H equipped Alicat Not all features may be available between brands but the common denominators are featured in our DB15 offerings along with some options for customization DB15H Pin Out Hastings H Style Male Connector Front View Female Connector Front View N C RS 232 RX receive or RS 485 N C N C Ground Primary Analog Signal Output Power Supply Common N C C Analog Tare meters when grounded Analog Set Point Input controllers RS 232 TX send or RS 485 Check your device s calibration certificate and user manual for the actual electrical input output requirements as all instruments are custom configured to some extent NOTE Pins 5 7 and 12 are connected together inside of the device and are common grounding points N C Not
70. record your value Press CLEAR to return to zero Len Pressure Averaging and Flow Averaging BACK CONTRAST MAIN may be useful to make it easier 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 the number between 1 and 256 can be considered DDUN SELECT roughly equivalent to the response time constant in milliseconds This can be effective at smoothing high frequency A A process oscillations such as those caused by diaphragm pumps Press PRESS AVG Then use SELECT to CANCEL CLEAR choose the decimal with the arrow and the UP and DOWN buttons to change the value Press FLOW AVG Then use SELECT to choose the decimal with the arrow and the UP and DOWN buttons to change the value Press SET to record your value Press CLEAR to return to zero Setting a higher number will equal a smoother display LCD CONTRAST The display contrast can be adjusted between O and 30 with zero being the lightest and 30 being the darkest CANCEL RESET Use the UP and DOWN buttons to adjust the contrast Press SET when you are satisfied Press CANCEL to return to the MISC display 20 MANUFACTURER DATA Manufacturer Data is accessed by pressing the MFG DATA button on the Select Menu display MODEL The initial display shows the name INFO and telephone number of the ALICAT SCIENTIFIC manuf
71. rts or labor when the Product is carried or shipped prepaid to the factory together with proof of purchase The foregoing shall constitute the exclusive and sole remedy in lieu of other remedies of the Buyer for any breach by Alicat Scientific of this warranty to the maximum extent permitted by law This warranty does not apply to any Product which has not been installed or used in accordance with the Product operation and installation specifications provided to Buyer verbally or in writing by Alicat Scientific for the proper and normal use of the Product Buyer agrees hereunder that Alicat reserves the right to void any warranty written or implied if upon Alicat s examination of Product shall disclose to Alicat s satisfaction that the Product failure was due solely or in part to accident misuse neglect abuse alteration improper installation unauthorized repair or improper testing by Buyer or agent of Buyer Alicat Scientific shall not be liable under any circumstances for indirect special consequential or incidental damages in connection with or arising out of the sale performance or use of the Products covered by this warranty Alicat Scientific does not recommend warrant or assume responsibility for the use of the Products in life support applications or systems Alicat s warranties as herein above set forth shall not be enlarged diminished or affected by and no obligation or liability shall arise or grow out of Alicat s rendering of te
72. s higher than 145 PSIG 1 MPa use a pressure regulator upstream from the flow meter to reduce the pressure to 145 PSIG 1 MPa or less 3 Exceeding the maximum specified line pressure may cause permanent damage to the solid state differential pressure sensor NOTE Alicat MQ Series meters are built for certain high pressure applications and have a maximum line pressure of 320 PSIA see page 50 WARNING Do NOT SUBJECT THE IVIETER S DIFFERENTIAL PRESSURE SENSOR TO UPSTREAM DOWNSTREAM PRESSURE DIFFERENTIALS EXCEEDING 10 PSID WHILE HIGH STATIC PRESSURE WILL TYPICALLY NOT DAMAGE THE DP SENSOR SUDDEN PRESSURE SPIKES CAN RESULT IN COMPLETE FAILURE OF THE SENSOR A COMMON CAUSE OF THIS PROBLEM IS INSTANTANEOUS APPLICATION OF HIGH PRESSURE GAS AS FROM A SNAP ACTING SOLENOID VALVE EITHER UPSTREAM OR DOWNSTREAM OF THE METER IF YOU SUSPECT THAT YOUR PRESSURE SENSOR IS DAMAGED PLEASE DISCONTINUE USE OF THE IMETER AND CONTACT ALICAT POWER AND SIGNAL CONNECTIONS Power can be supplied to your meter through either the power jack power jack not available on CSA ATEX approved devices or the 8 pin Mini DIN connector An AC to DC adapter which converts line AC power to DC voltage and current as specified below is required to use the power jack Meters require a 7 30 Vdc power supply with a 2 1 mm female positive center plug capable of supplying at least 100mA NOTE 4 20mA analog output requires at least 15 Vdc cable color Inactive
73. s were selected for customer convenience in process connection It should be noted that the 1 8 Female NPT introduces additional dead volume To minimize dead volume please see Accessories for the 10 32 Male to 1 8 OD compression fitting 1 Compatible with Beswick amp Swagelok tube Parker amp face seal push connect and compression adapter fittings 2 Venting to atmosphere Lower Pressure Drops Available please contact Info alicat com or 888 290 6060 3 9 H x 2 4 W x 1 1 D 0 5SCCM to 50SCCM approximate shipping weight 0 8lb 38 Technical Data for Low Flow M Mass Flow Meters 0 to 100 SCCM Full Scale through 0 to 20 SLPM Full Scale The following specifications are for the standard configuration of the product There are many options available Specification Mass Meter Description Accuracy 0 8 of Reading 0 2 of Full Scale At calibration conditions after tare High Accuracy Option 0 4 of Reading 0 2 of Full Scale At calibration conditions after tare Accuracy Bi directional t 0 8 of reading 0 2 of total span NEU Meters Only positive full scale to negative full scale Repeatability 0 296 Full Scale Operating Range 1 296 to 10096 Full Scale Turndown Ratio 200 1 Typical Response Time 10 Milliseconds Adjustable Standard Conditions Mass Reference STP 25 C amp 14 696PSIA Conditions Operating Temperature 10 to 50 C
74. ss Unless otherwise specified each unit is shipped with a default address of capital A Other valid addresses are B thru Z Once you have established communication with the unit and have a stream of information filling your screen 1 Type A followed by Enter or using the RS 232 RS 485 communication select menu select A as identifier and exit the screen to stop the streaming mode of information Note that the flow of information will not stop while you are typing and you will not be able to read what you have typed Also the unit does not accept a backspace or delete in the line so it must be typed correctly If in doubt simply hit enter and start again If the unit does not get exactly what it is expecting it will ignore it If the line has been typed correctly the data will stop 2 You may now poll the unit by typing A followed by Enter This does an instantaneous poll of unit A and returns the values once You may type A Enter as many times as you like Alternately you could resume streaming mode by typing followed by Enter Repeat step 1 to remove the unit from the streaming mode 3 To assign the unit a new address type New Address e g 0 B Care should be taken not to assign an address to a unit if more than one unit is on the RS 232 RS 485 line as all of the addresses will be reassigned Instead each should be individually attached to the RS 232 RS 485 line given an address and taken off After each
75. t Standard applies and is repeated here PIN Description Wire color rain ESTOS 2 veras V GND BLACK CAN H WHITE MAC ID All devices on a DeviceNet must have unique MAC ID Alicat units can either be programmed with a customer requested ID or they will be defaulted to 63 In either case when an Alicat unit is attached to a DeviceNet and powered up it will send out a duplicate MAC request If there already is a device on the network with the same address the Alicat device will decrement its address and try again until it finds an unoccupied address Once it finds a unique address it stores that address into its nonvolatile memory enabling it to come back on at the same address Side To utilize the DB9 pinout on your DeviceNet ENN compatible instrument follow the pin out diagram 6 2 2J 9 shown here NC GND NC 7 to 30VDC GND NC 1 2 3 4 5 6 7 8 9 52 BAUD RATE The following baud rates are available 125K 250K 500K The default baud rate is 125K Baud You may specify the baud rate at the time of order The baud rate can be changed by using a set attribute single DeviceNet service request to the DeviceNet Object Class 03 Instance 01 Attribute ID 02 A setting of 0 is 125K baud 1 is 250K baud and 2 is 500K baud In order for a change of baud rate to take affect the unit will have to be power cycled SUPPORTED DEVICE TYPE Mass Flow Controller Devic

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