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Micronics PORTAFLOW 300, Руководство пользователя

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13 

 
 
This example shows the flow is constantly at 
maximum flow rate. 
 
 
 
 
 
 
 
 
 
 
 
The following example shows the same flow 
rate but with the Yaxis value having been 
doubled. 
 
 
 
 
 
 
 
 
 
 
 
 
Download log 
If the data is being downloaded to Windows 95 
and Windows 3.1, then this has to be set up 
before the user selects the range of data to 
download, then go to the logger menu, move 
cursor to 

Download log

 and press ENTER. 

 
If only certain blocks need to be downloaded, 
then this can be achieved by using the scroll 
keys. Scroll down to 

First block to Download

, 

press ENTER then select the block you wish to 
start from. The same procedure should be 
followed to select the 

Last block to 

download

. When both of these are selected 

scroll back up to 

Download range to RS232

 

and press ENTER.  
 
Example: 
It may be that data has been recorded in 
blocks 1 to 7 but only information in blocks 1 to 
3 are required. This is done by selecting 1 as 
the 

first block to download

 and 3 as the 

last 

block to

 

download

, scrolling back up to 

download range to RS232

 and pressing 

ENTER, will download the data required. 
Should a block number that is out of range be 
entered, an error message 

Block number

 

out 

of range

 will appear. 

DOWNLOAD LOG           yy-mm-dd  hh:mm:ss 
 
 
  Download range to RS232 
  First block to Download 

 

      1 

  Last block to Download 

 

      3 

  Exit 

 

 

Press ENTER the instrument will display. 

DOWNLOAD LOG           yy-mm-dd  hh:mm:ss 
 

Currently Downloading 

Block   3/ 3 

 

Point  113/240 

 

Printer status: UNKNOWN/READY 

 

Press ENTER to cancel 

 

 

Printer status: UNKNOWN 

means

 

that when 

setting up the RS232, 

Handshaking

 

> None

 

was selected.

 

Printer status: Ready 

means the unit is ready 

to send data. 

Printer status: Busy 

means the unit is off line 

or the buffer is full to the printer. 
 
The Portaflow 300 will continue to download 
the data until complete. Press SCROLL to exit 
and return to the 

MAIN MENU. 

Press ENTER 

to stop downloading. 
 
Clear Log 

WARNING!

 This clears logged data in 

ALL

 

block numbers. 
 By selecting clear log and pressing ENTER, 
the display will read the following. 

CLEAR LOG                    yy-mm-dd  hh:mm:ss 
 
 
 
 

Press ENTER to clear the log 

or press SCROLL to return 

 

 

Pressing ENTER will display the following. 

MAIN MENU                    yy-mm-dd  hh:mm:ss 
 

 

No logged data in memory 

 
 

Press ENTER to continue  

 
If 

Clear log 

is selected while the data logger is 

recording the following message will appear. 

DATA LOGGER               yy-mm-dd  hh:mm:ss 
 
 

You cannot change this 

while logging 

 
 

Press ENTER to continue 

 

max. 

+ flow 

 Y AXIS 

Y

 

max. 

+ flow 

Y AXIS 

max. 

+ flow 

max. 

+ flow 

Y

 

Содержание PORTAFLOW 300

Страница 1: ...300 PORTAFLOW 300 PORTAFLOW 300 PORTAFLOW 300 Ultrasonic Flowmeter Manual Keison Products P O Box 2124 Chelmsford CM1 3UP England Tel 44 0 1245 600560 Fax 44 0 1245 600030 Email sales keison co uk www keison co uk ...

Страница 2: ... Solid Sound Speeds 32 Quick Start 8 View Edit Site Data 10 Specification 33 Select Sensor Set 11 CE Marking Guidance Notes 34 Data Logger 11 Warranty 34 Download to Windows 95 14 Battery charge procedure 35 36 Download to Windows 3 1 15 Set up RS232 16 Set up Portaflow 17 Read Flow 18 Keypad Options 18 Logger Key 18 4 20 mA Output Key 19 RS232 Output Key 20 Delete Key 20 Pulse Output Key 20 Optio...

Страница 3: ...ast Track Set up Procedure 1 Switch on and press ENTER 2 Check battery level If the battery symbol on the display is full the unit is charged press ENTER 3 Select Quick Start Press ENTER a Dimension Units Select units required Press ENTER b Outside Diameter Enter data press ENTER c Pipe Thickness Enter data press ENTER d Pipes Lining Thickness Enter data press ENTER e Pipe Wall Material Select usi...

Страница 4: ... scale until the front edge of the block is at the recommended distance Now turn the knurled knob anti clockwise until in finger tight contact with the pipe surface 10 Press ENTER to read flow Pressing the appropriate key can change flow units An additional key press will change the timescale of the reading hr min sec Figure 4 HARDWARE Connectors There are six connectors on the electronic housing ...

Страница 5: ...nstrument is switched off The battery can also be partially charged and then used Keypad Programming is via the tactile membrane keypad with rim embossed keys The keypad is rated at IP67 Figure 7 PORTAFLOW 300 0 Pulse 6 5 4 Velocity 7 Litres 8 Gallons 9 m3 3 4 20mA 2 RS 232 1 Logger Delete Options ON OFF ENTER scroll scroll MICRONICS LTD By selecting keys 4 7 8 and 9 it is possible to change the v...

Страница 6: ...es from 300mm to 2000mm inside diameter Magnetic attachments are available to fit onto this guide rail Transducer Kit D The D transducers are for use on pipes from 1000mm to 5000mm and supplied with their own guide rail and mounting hardware They are aligned in the same way as other transducer sets i e Reflex or Diagonal mode with the separation distance being measured from the front edge of the b...

Страница 7: ...articulate content Cloudy liquids like river water and effluent can be measured along with cleaner liquids like demineralised water During the set up procedure the user is asked to select from a list of liquids that include water and oils If the liquid to be measured is not listed it is possible for the instrument to measure the propagation rate See fluid type page 5 and Fluid prop rate page 21 Ap...

Страница 8: ... Pipe wall thickness 4 0 Pipe lining thickness now appears on the display If the pipe you are measuring has a lining enter the Pipe lining thickness If nothing is entered the instrument automatically assumes there is no lining Press ENTER to move on If the application has a lining enter the required thickness in the units selected Press ENTER to continue QUICK START yy mm dd hh mm ss Dimension uni...

Страница 9: ...le If the instrument cannot find a temperature signal it asks the user to try again Pressing ENTER will make the instrument try again or scroll will prompt the user to enter a value When a value is entered press ENTER ATTACH SENSORS yy mm dd hh mm ss No signal from temp sensor Press ENTER to try again or SCROLL to enter a value If the black cable is connected pressing ENTER will give a separation ...

Страница 10: ...site not named 8 site not named 4 site not named 9 site not named 5 site not named 10 site not named Press ENTER to continue Site Number Site number allows the user to enter the number of the site data that you wish to be displayed If the site has not been used then no data would be stored You can now enter new application data Site Name Site name allows the user to edit or enter a site name Use t...

Страница 11: ...e is required The default would have been displayed on the previous screen but Sensor mode can be selected to give the user a choice between Reflex and Diagonal Double reflex can only be used on pipes between 20mm and 30mm Triple reflex mode can only be used on pipes less than 20mm Both of these modes of operation are designed to increase the low flow performance of the instrument Triple and doubl...

Страница 12: ...e scroll keys or by using keys 5 and 6 when the data will move in blocks of 60 Each point is equivalent to the time the user has programmed into the instrument i e if the instrument has been programmed to read every 10 minutes every data point will be equivalent to whatever the reading was at that time The message Error occurred appears on the display when there is a signal loss or unstable flow c...

Страница 13: ...ed an error message Block number out of range will appear DOWNLOAD LOG yy mm dd hh mm ss Download range to RS232 First block to Download 1 Last block to Download 3 Exit Press ENTER the instrument will display DOWNLOAD LOG yy mm dd hh mm ss Currently Downloading Block 3 3 Point 113 240 Printer status UNKNOWN READY Press ENTER to cancel Printer status UNKNOWN means that when setting up the RS232 Han...

Страница 14: ...ar after Hypertrm has been selected Enter the name of your choice Select OK when complete The heading Phone Number will appear Select Connect using then Direct to Com 2 When this has been selected the heading Com 2 Properties will appear select OK SET UP RS232 yy mm dd hh mm ss Handshaking flow control Protocol none Baud rate Bits per second 19200 Data bits 8 Stop bits 1 Parity NONE New line CR Pr...

Страница 15: ...lowing the data to be set in a format for Excel Complete the following 3 Steps in Text import wizard then select Printer test on the Portaflow 300 The following will be displayed On the Portaflow 300 now select Main menu ENTER Data logger ENTER Download log ENTER Select a range to download as described on page 11 and press ENTER to download the data Download Data To Windows 3 1 Before downloading ...

Страница 16: ...OP when complete and escape At this point you can go into the spreadsheet to find the file under a text format Example from Excel By selecting OK at this point it is possible to follow the instructions in the Excel hand book Main Menu Set Up RS232 The RS232 must be configured to work with exactly the same parameters as the printer or computer that you connect it to All options on this menu are sto...

Страница 17: ...e scroll keys move the DAC value in larger steps of 25 and keys 5 6 move the value one at a time The DAC value should be approximately 8000 for 4mA and 40000 for 20mA Watching the actual current value displayed on the meter it is possible to scroll up and down or use keys 5 and 6 to calibrate the 4 20mA to the exact value When the 4mA is adjusted press ENTER If the 4 20mA is not connected then the...

Страница 18: ...that was last entered Therefore the instrument will have to be reprogrammed if it is to be used on a new application ATTACH SENSORS yy mm dd hh mm ss Attach sensor set A in REFLEX mode Approx max flow 7 20 m s Press ENTER to continue or SCROLL to select another sensor Press ENTER now to make the instrument search for a temperature signal If this is not found then the display will read the followin...

Страница 19: ...he user to program a time for the logger to start and stop logging in advance of going on site Press ENTER to select and program as per the instructions for setting time and date on page 15 Set up Portaflow Note Memory free List block names Next block to view View log as text View log as graph Units Graph Y axis max Clear log and Exit are the same as described on page 10 Main Menu Data Logger 4 20...

Страница 20: ... the pulses of the forward flow only Selecting Net total counts the pulses of the sum of the forward total less the reverse total OUTPUT yy mm dd hh mm ss Off Forward total Net total Max Pulse Rate This option allows the user to select between fast slow pulses or large small pulse width Select 1 per second for slow pulses and 100 for a fast pulse The pulse width for 1 per second is 100ms and 5ms f...

Страница 21: ...low readings are unstable due to turbulence caused by obstructions or bends etc Damping or averaging can be used to make the readings more stable It can be set to up date the display anything between 3 and 100 seconds Calibration Factor This facility should not need to be used in general use One reason could be that a guide rail was being used that had not been calibrated with the instrument and h...

Страница 22: ...s value may be subject to errors due to small pipe dimension errors especially on smaller pipes Micronics recommend the use of tabulated values See page 27 Sensor separation Displayed to indicate the distance to set the transducers on the pipe STATUS ERROR WARNING MESSAGES There are three types of message that will appear and they are Status Error and Warning These messages appear under the time a...

Страница 23: ...his leaves the instrument with approximately 30 minutes usage before it needs recharging W10 NO TEMP SIGNAL Inside the transducer block is a temperature sensor that monitors the application temperature When it is not connected between the electronics and the sensor then the above error message is displayed W11 mA LOAD TO HIGH The 4 20mA is designed to work with a load up to 750Ω When the load is t...

Страница 24: ...herwise flow measurement errors will occur Further having calculated the precise position at which the transducers must be clamped onto the pipe wall it is equally important to align and separate the transducers accurately with respect to one another as failing to do so will again cause errors in measurement Finally to ensure accurate flow measurement it is imperative that the liquid is flowing un...

Страница 25: ...ro Offset problems The following procedure is offered as a guide to good practice with respect to positioning and mounting the transducers 1 Select the site following the rules on page 23 Transducer Positioning 2 Inspect the surface of the pipe to ensure it is free from rust or is not uneven for any reason Transducers can be mounted directly on painted surfaces as long as the surface is smooth and...

Страница 26: ... is to be used on laminar flow applications it will be necessary to calculate the Reynolds No When calculating the Reynolds No it is necessary to know the Kinematic viscosity in Centistokes the flow velocity and the pipe inside diameter To calculate Re use the following formula R dv e υ1 7730 or R d v e 1 1 1 1000 υ Where d inside pipe diameter in inches d1 inside pipe diameter in millimetres v ve...

Страница 27: ...NAL MPS 0 003 0 006 0 03 0 12 0 14 0 26 0 63 1 26 14 89 26 94 REFLEX MPS 0 003 0 006 0 03 0 07 0 13 0 32 0 63 3 15 7 48 13 39 Default Pipe Size Range Transducer Set C Diagonal 2500mm Reflex 2500mm Diagonal 2000mm Reflex 2000mm Diagonal 300mm Reflex 300mm Diagonal 150mm Reflex 150mm DIAGONAL MPS 0 014 0 019 0 12 0 24 1 48 1 91 12 29 24 58 REFLEX MPS 0 006 0 008 0 06 0 12 0 64 0 85 6 14 12 08 Defaul...

Страница 28: ...926 2 48 Carbon tetrafluoride 14 CF4 1 75 150ºC 875 2 6 61 Cetane 23 C16H34 0 773 20ºC 1338 3 71 Chloro benezene C6H5Cl 1 106 1273 3 6 1 Chloro butane 22 46 C4H9Cl 0 887 1140 4 57 Chloro diFluoromethane 3 Freon 22 CHClF2 1 491 69ºC 893 9 4 79 Chloroform 47 CHCl3 1 489 979 3 4 1 Chloro propane 47 C3H7Cl 0 892 1058 Chlorotrifluoromethane 5 CClF3 724 5 26 Cinnamaldehyde C9H8O 1 112 1554 3 2 Cinnamic ...

Страница 29: ...3 C7H16 0 684 20ºC 1131 4 25 n Heptane 29 33 C7H16 0 684 20ºC 1180 4 0 Hexachloro Cyclopentadiene 47 C5Cl6 1 7180 1150 Hexadecane 23 C16H34 0 773 20ºC 1338 3 71 Hexalin C6H12O 0 962 1454 3 6 Hexane 16 22 23 C6H14 0 659 1112 2 71 n Hexane 29 33 C6H14 0 649 20ºC 1079 4 53 2 5 Hexanedione C6H10O2 0 729 1399 3 6 n Hexanol C6H14O 0 819 1300 3 8 Hexahydrobenzene 15 C6H12 0 779 1248 5 41 Hexahydrophenol ...

Страница 30: ...assium fluoride 42 KF 1792 1 03 Potassium iodide 42 KI 985 0 64 Potassium nitrate 48 KNO3 1 859 352ºC 1740 1 1 1 Propane 2 13 45 to 130ºC C3H8 0 585 45ºC 1003 5 7 1 2 3 Propanetriol C3H8O3 1 26 1904 2 2 1 Propanol 46 C3H8O 0 78 20ºC 1222 2 Propanol 46 C3H8O 0 785 20ºC 1170 2 Propanone C3H6O 0 791 1174 4 5 Propene 17 18 35 C3H6 0 563 13ºC 963 6 32 n Propyl acetate 22 C5H10O2 1280 2ºC 4 63 n Propyl ...

Страница 31: ...14O4 1 123 1608 3 8 1 1 1 Trifluoro 2 Chloro 2 Bromo Ethane C2HClBrF3 1 869 693 1 2 2 Trifluorotrichloro ethane Freon 113 CCl2F CClF2 1 563 783 7 3 44 d 1 3 3 Trimethylnor camphor C10H16O 0 947 1320 Trinitrotoluene 43 C7H5 NO2 3 1 64 1610 Turpentine 0 88 1255 Unisis 800 0 87 1346 Water distilled 49 50 H2O 0 996 1498 2 4 Water heavy D O 1400 Water sea 1 025 1531 2 4 Wood Alcohol 40 41 CH4O 0 791 20...

Страница 32: ...Copper 2260 4660 Copper annealed 2325 Copper rolled 2270 CuNi 70 Cu 30 Ni 2540 5030 CuNi 90 Cu 10 Ni 2060 4010 Brass Naval 2120 4430 Gold hard drawn 1200 3240 Inconel 3020 5820 Iron electrolytic 3240 5900 Iron Armco 3240 5900 Ductile Iron 3000 4550 Cast Iron 2500 Monel 2720 5350 Nickel 2960 5630 Tin rolled 1670 3320 Titanium 3125 6100 Tungsten annealed 2890 5180 Tungsten drawn 2640 Tungsten carbid...

Страница 33: ...nable scaling Resolution 0 1 of full scale Pulse 5 Volts Max 1 pulse per second User definable scaling Printer Terminal Serial RS232 C inc handshaking User definable scaling DATA LOGGER Memory capacity 100K 50 000 readings Output Via RS232 or displayed graphically Logs Block data storage with text and graphic display transferred to Microsoft Windows or Micronics user compatible software package op...

Страница 34: ...erated in accordance with the operating manual supplied Misuse by the purchaser or any other person will immediately revoke any warranty given or implied This includes failure of MICRONICS Ltd equipment which has been damaged by machinery that has been used with PORTAFLOW 300 or any MICRONICS supplied component that has been replaced by a component that has not been so supplied Repair or replaceme...

Страница 35: ...nstant or begins to decrease meaning that the battery is fully charged Charging Voltage The voltage available to charge the 6V battery is restricted by the 9V charger input and the two diodes in the input The S2D silicon diodes had a fwd drop of 0 75V limiting the available charge voltage to 7 5V which caused the MAX712 to sense that the battery voltage had stopped rising and therefore prematurely...

Страница 36: ...0 4 10 5 0 05 2 325Ah 3 5Ah 0 66 which fills the battery to 66 of capacity 3 5Ah To fill the remaining 34 at 50mA takes 3 5 0 34 0 05 23 8hrs 15hrs 39hrs to 100 Assuming 20 losses 3 5Ah 20 50mA 0 7Ah 0 05A 14hrs of trickle charge to cover losses 39hrs 53hrs total In fact it needs 9hrs 0 4A 3 6Ah to fill the battery from empty to 103 full capacity Assuming 20 losses 3 5Ah 20 0 1 50mA 0 6Ah 0 05A 12...

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