Dwyer PUX User Manual

Bulletin F-68PORTABLE TYPEULTRASONIC FLOWMETERTYPE: CONVERTER PUXDETECTOR PSX2Instruction ManualDwyer Instruments, Inc.INF-TN2PUXd-E

2 - 12. CHECK OF DELIVERED ITEMS2.1 On purchase of converter (type: PUX)Bulletin F-68Instruction ManualPORTABLE TYPEULTRASONIC FLOWMETERTYPE: CONVER

15 - 9• Enclosure case: Plastic case (color: gray)• Dimensions: H240 x W127 x D70mm (without printer)H359 x W127 x D70mm (with printer)• Mass: 1.5kg (

15 - 10D1D/3D2D/3Air bubblesDeposit of sludge15.4 Q & AI. Q & A about pipes1. How is piping setting made when piping specifications are unknow

15 - 113. What happens when the liquid contains air bubbles ?The PUX unit is highly resistant toentry of air bubbles in pipes with the aidof the advan

15 - 12L1000- 11400 500[%]300 mmφ+ 1mm- 1mm200Inside diameterFlow error IV. Q & A about accuracy1. What is the approximate accuracy of measurement

15 - 13(3) Flow in piping is deviatedWhen the straight piping is short (particularly upstream side), the flow has become skewed andsome deviation erro

15 - 14V. Others1. What is the difference between a Doppler type flowmeter and the PUX meter?A Doppler type flowmeter emits ultrasonic waves and recei

Corporate Headquarters102 Indiana Highway 212 P.O. Box 373 Michigan City, IN 46361 U.S.A. Telephone: 219/879-8000Fax: 219/879-9057 www.dwyer-inst.com

2 - 22.2 On purchase of detector (type: PSX2)The following parts will be delivered.So, make sure all the parts are delivered.(1) Main unit(2) Accessor

3 - 13. NAME AND EXPLANATION OF EACH PART• Keyboard : Used for turning on/off power supply of the main unit, outputting a hard copy withthe printer,

3 - 23.2 Explanation of keysFig. 3-1 shows the layout of keys and Table 3-1 explains each key.Fig. 3-1 Layout of keysTable 3-1 Explanation of keys•

4 - 14. POWER UP4.1 Operating power supplyThere are two methods available for energizing this instrument; by the built-in battery or withthe power ad

4 - 24.2 Turning on power supplyq Press the ON switch of the main unit to turn ON the power.w Turn ON the power, and the followingscreen appears.When

5 - 15. WIRING5.1 Connection of dedicated cablesThis cable is used for connecting the detector to the main unit.q Connect dedicated cables to the ups

5 - 25.3 Connection of RS-232C cableWhen using an optional personal computer, use RS-232C cable for serial transmission betweenthe RS-232C connector o

6 - 1Before installing the detector, set the specifications of a pipe in the main unit to allow measurements.Caution) Measurements cannot be accomplis

6 - 2r Outline of PIPE PARAMETERt Display of mounting dimensionsWhen the settings are completed on the “PIPE PARAMETER” screen, press the ESC key to d

iPREFACEYou are now a proud owner of Dwyer Instruments ultrasonic flowmeter (Model PUX).Manufacturer : Dwyer Instruments, Inc.Type : Described on nam

6 - 36.2 Entry of site name (measurement is possible withoutentry)Enter the name of the site (where measurement is performed). This name is registered

6 - 46.3 Outer diameter of piping (unit: mm)(range: 13 to 6100 mm)Press the key on the “PIPE PARAMETER” screen toinvert the “OUTER DIAMETER”.Press t

6 - 56.4 Piping materialPress the key to invert the “PIPE MATERIAL”.Press the ENT key, and the “PIPE MATERIAL” screen will appear.Select the materia

6 - 66.5 Wall thickness (unit: mm) (range: 0.01 to 100.00mm)Press the key to invert the “WALL THICKNESS”.Press the ENT key, and wall thickness can

6 - 76.6 Lining materialPress the key to invert “LINING MATERIAL”.Press the ENT key, and “LINING MATERIAL”screen will appear.Using the or key, se

6 - 86.7 Lining thickness (unit: mm) (range: 0.01 to 100.00 mm)When the lining material is set to items other than“None” in 6.6 Lining material.Press

6 - 96.8 Kind of fluidSelect kind of fluid and enter the dynamic viscositycoefficient.For fluid having no item, enter sound velocity.(Range: 500 to 2

6 - 106.9 Selection of sensor mounting methodMounting methods available for the sensor are V methodand Z method as illustrated.To select the mounting

6 - 116.10 Kind of sensorPress the key to invert “SENSOR TYPE”.Press the ENT key to display kind of sensor.Select any sensor from the type code of s

6 - 126.11 Transmission voltage (used when an indicator is 1 orless during measurement)Press the key to invert the “TRANS. VOLTAGE”.Press the ENT ke

iiCONTENTS1. OVERVIEW...1 - 12. CH

7 - 17.1 Selection of mounting locationDetector mounting location, i.e., the conditions of the pipe subjected to flow rate measurement exert agreat in

7 - 2(5) For a horizontal pipe, mount the detector within ±45° of the horizontal plane.For a vertical pipe, the detector can be mounted at any positio

7 - 37.2 Selection of detector(1) Selection of mounting methodsThere are 2 methods for mounting the detector; V method and Z method. For the mounting

7 - 47.3 Use of surface-treated accessoriesEliminate pitting, corrosion, unevenness, etc. with paint thinner and sandpaper from the pipe portionwhere

7 - 57.4 How to mount small size (standard) sensor and smallouter diameter sensor to pipeq Loosen the lock nut and slide the sensor so as tomeet the m

7 - 67.5 How to mount large size sensor7.5.1 How to determine mounting position (large sensor)Determine the mounting position by carrying out the foll

7 - 77.5.2 How to connect large size sensor for PSX2 D type onlyq Slide the detector cover slightly. Remove thecover with a driver.w Determine the m

7 - 87.5.3 How to mount large size sensor to pipeqqqqq Height adjustment of guide plate• Place the sensor on the pipe surface in parallelwith the pipe

7 - 97.6 How to mount high temperature sensor to pipeq Loosen the lock nut and slide the sensor so as tomeet the mounting dimension and then tightenth

7 - 107.7 How to mount medium diameter sensor to pipeq Spread silicone grease over the wholetransmitting side of the sensor. Care should betaken to p

iii7.6 How to mount high temperature sensor to pipe...7 - 97.7 How to mount medium diameter sens

8 - 1When wiring, piping settings and mounting of the sensor are completed, start the measurement.The contents displayed on the MEASURE screen are as

8 - 2qqqqq “Indicator”Shows the intensity of ultrasonic receiving signal.Check if 2 or more indicators are displayed.If one or less indicator is displ

9 - 1This section describes an outline and page configuration of each function page9. SETTING OPERATION (APPLICATION)ERROR CHECKSYSTEM CHECKSIGNAL CHE

9 - 29.1 How to use SITE SETUP function (SITE SETUP page)9.1.1 PARAMETER MEMORY: when registering data which are setand calibrated on the page[Operat

9 - 39.1.2 ZERO ADJUST: when performing zero adjustmentOperationq Select “ZERO ADJUST” by the orkey and presstheENTkey. The zero adjustment screen w

9 - 49.1.4 OUTPUT CORRECTION: when calibrating measured value (out-put calibration function)[Operation]q To open the “CALIBRATION” screen, press theor

9 - 59.1.5 CUT OFF: output cut off at low flow rate(low flow cutoff function)When flow rate is extremely low, its output can becut off. (range: 0 to 1

9 - 69.1.6 TOTALIZE: when performing the integration process ofmeasured data (totalize)[Operation]Select "TOTALIZE" by the or key and presst

9 - 79.2 Setting of logging function (data logger page)This function allows you to save measured values to the memory of the main unit, call the measu

9 - 8(1) SETUP: when setting logging of measured data[Operation]q To open the MODE selection screen, move thecursor to “MODE” and press theENTkey.Pre

iv9.6 System check function (system check page) ... 9 - 339.6.1 ERROR CHECK ...

9 - 9t Select the kind of data to be logged.One or more data can be selected.Select the kind of data by the or key, turn it ON and press theENTkey for

9 - 10o Press theESCkey 2 times to return to the initialLOGGER screen (at right).!0 Open the “MODE” selection screen by pressingtheENTkey. Press the

9 - 11(2) GRAPH: when checking logged data on screen[Operation]q Press the or key on the LOGGER page toselect “GRAPH OUT” from “MODE”. Press theENTke

9 - 12t To change scale on data axis (vertical axis)Move the cursor to “DATA/1 DIV” to enlarge orcontract the data axis by the or key.y To display tim

9 - 13(3) PRINT: when printing logged data in text[Operation]q To open the MODE selection screen, move thecursor to “MODE” and press theENTkey.Press t

9 - 14(4) DELETE: when deleting logged data[Operation]q Press the or key on the LOGGER pageand select “DELETE” from “MODE”.Press theENTkey, and the LO

9 - 159.3 Setting of system (page title: SYSTEM SETUP)This function allows you to accomplish the system setup including setup of clock, setup of commu

9 - 169.3.3 SYSTEM OF UNITS: when setting the measurement and set-ting unit system [selection of meter sys-tem and inch system][Operation]q Select “SY

9 - 17CAUTION9.3.4 MEASUREMENT METHOD: when changing measurementmethodMeasurement method 1 is the standard measurementmethod.The measurement method 2

9 - 189.4 Setting of analog input/output (analog page)This function allows you to set the measurement range, range, output mode, error handling for an

vWARNING SYMBOLS AND THEIR MEANINGSBe sure to observe the following precautions. They offer important information on safety.• The degree of injuries

9 - 19(2) INPUT RANGE: when setting the range of input currentq Press the or key on the “ANALOG IN/OUT” page and select “INPUT RANGE” from“INPUT”.Pres

9 - 209.4.2 Setting of analog output(1) DISPLAY: when displaying present measured instantaneous flow[Operation]q Press the or key on the “ANALOG IN/OU

9 - 21(4) OUTPUT MODE: when setting the output modeq Press the or key on the “ANALOG IN/OUT” page and select “OUTPUT MODE” from“OUTPUT”.Press theENTke

9 - 22(6) ADJUST: when adjusting output circuit (prepare an ammeter)q Press the or key on the “ANALOG IN/OUT” page and select “ADJUST” from “OUTPUT”.

9 - 239.5 Use of printer function (PRINTER page)It allows you to print measured value as well as hard copy on an optional printer. On this page, sett

9 - 249.5.2 Selection of items to print(1) TEXT modeUp to 16 items available for printing are enumerated below:• Flow rate (12 items)• Flow velocity

9 - 25(2) GRAPH modeq Press the or key on the PRINTER page,select “UNIT” and press theENTkey. TheUNIT screen is displayed, enabling you to selectthe

9 - 26(3) LIST modeq Press the or key on the PRINTER page,select any of “SITE SETTING LIST”,“SYSTEM SETTING LIST”, and “ANALOGLIST” for printing and p

9 - 279.5.3 Setting of print time(1) To print out continuouslyq Press the or key on the PRINTER page,select “TIMER MODE” and press theENTkey.The TIMER

9 - 28(2) Short-time printingq Press the or key on the PRINTER page.Select “TIMER” and press the ENT key. TheTimer Mode screen is displayed.w Press t

viBe sure to read this “Safety Precautions” carefully beforehand for the correct and safe use of thisdevice.SAFETY PRECAUTIONS WARNINGDo not touch

9 - 29(3) To print after the start and stop times are setq Press the or key on the PRINTER page,select “TIMER MODE” and press theENTkey.The Timer Mode

9 - 30r Move the digit by the or key and enter anumeric value by the or key. Press theENTkey to set the start time.Example) when starting on 06-27 20

9 - 319.5.4 To set printing intervalsq Press the or key on the PRINT page,select “SAMPLING PERIOD” and press theENTkey. The SAMPLING PERIOD screen is

9 - 329.5.6 PrintingPress the or key to select the “PRINT OUT”.Press theENTkey to start printing.9.5.7 Printing stop(1) To pause printingq To cause

9 - 339.6 System check function (SYSTEM CHECK page)This function allows you to check the condition of this instrument. If an error occurs, take count

9 - 34Countermeasures against error screenSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM CHECKSYSTEM

9 - 359.6.2 SIGNAL CHECK(1) To check for ultrasonic receiving signal waveform;q Move the cursor to “SIGNAL CHECK” on theSYSTEM CHECK page and press th

9 - 36r Move the cursor to “TIME/1 DIV” by pressing theor key as shown at right and enlarge thescale of the time axis (horizontal axis) by thekey. (M

9 - 37(2) Check to judge whether ultrasonic receiving signal waveform is normal ornotq Normal waveformThe receiving waveform above is free of noise,an

9 - 389.6.3 OUTPUT CHECKwhen performing the setting of constant current output (available for loop check or to check for thepower supply output circu

viiCAUTIONKeep warning labels clean.Ask an authorized waste disposal specialist for disposal.Do not splash water.ProhibitionBe careful when carrying

10 - 110. MAINTENANCE AND CHECKUP(1) Cleaning of converter and detectorWipe off contamination, dust, etc. from the keyboard and main frame of the co

11 - 111. ERROR AND REMEDY11.1 Error in LCD DisplayIf an error occurs, refer to Table below.11.2 Error of keyStatusCause RemedyNo display appears.• P

11- 2StateCauseIndication of measuredvalue is negative (-).Measured valuefluctuated widelythough flow rate isconstant.Measured valueremains the sameth

11 - 3Eliminate entrance of airbubbles.• Raise the level of pump well.• Confirm the shaft seal ofpump.• Retighten the flange ofnegative pressure pipin

11- 4Normal• Perform zero adjustmentagain after making sure waterflow has stopped completely.• The measured value, justwhen ultrasonic wave cannotbe p

11 - 5StateOutput remains at 4mAthough indication valueis other than 0.Output is 0mA.Output is not 4mAwhen indication valueis 0.Output rises beyond20m

12 - 1(1) General specificationsCommunication system : Half-duplexSynchronizing system : Start-stop synchronizingTransmission speed : 300 / 600 /

12 - 2(4) SettingTransmission speed, parity and stop bit should be set prior to transmission.Set values before setting.Transmission speed : 300 bpsP

12 - 3Command DataOutput of logger file data of thenumber designated by commandNo.XX [CR]LOG NAME : XX XX [CR]START : 01 - 23

13 - 113.1 How to connect printerq Turn off the power supply of main unit.w Detach the top cover of main unit.Power cordConnectorFEED KEYPower supply

1 - 11. OVERVIEWThis is a portable type ultrasonic flowmeter that allows easy measurement of flow rates in pipesby installing a sensor on the outside

13 - 213.2 How to load printer roll sheetq Open the cover and load a roll sheetw Insert the edge of roll paper into the head assembly.The edge should

14 - 1q Remove 2 round countersunk screws (M3 × 5) and remove the cover from the main unit.w Remove the battery connector, pull the battery out of the

15 - 115. APPENDIXNominaldiameter (mm) Outerdiameter(mm)Nominal thicknessSchedule5SSchedule10SSchedule20SSchedule40Schedule80Schedule120Thickness(mm)

15 - 2Outer diameterThickness of pipe25 32.0 3.530 38.0 3.540 48.0 4.050 60.0 4.5Nominal diameter7510015089.0114.0165.05.97.19.620 26.0 3.013 18.0 2.5

15 - 3１１／１／２２／３３／４５６８1012１４１２１２１２Outer diameter (mm)Thickness(mm)25 34.0 3.232 42.7 3.540 48.6 3.550 60.5 3.8Nominal pipe 65809010012515020025030076.3

15 - 4!3!3!3!3!3 Steel pipe coated for city water STW (JIS G3443-1987)!!!!!44444 Ductile cast iron pipe (JIS G5526-1998)NominaldiameterAOuterdiameterm

15 - 5!!!!!55555 Ductile iron specials(JIS G5527-1998)!8!8!8!8!8 Arc welded carbon steel pipe (JIS G3457-1988)!6!6!6!6!6 Arc welded big diameter stain

15 - 6T¡C0 1402.741 1407.712 1412.573 1417.324 1421.985 1426.506 1430.927 1435.248 1439.469 1443.5810 1447.5911 1451.5112 1455.34Vm/s T¡C Vm/s T¡C Vm/

15 - 7Closing and cutting of power supplyMEASURESITE SETUPLOGGERSYSTEM SETUPANALOG IN/OUTPRINTERSYSTEM CHECKUNITRESETPARAMETER MEMORYPIPE PARAMETERZER

15 - 815.3 SpecificationsFluid conditions• Measured fluid: Homogeneous liquids (water, sea water, oil or fluid of unknown sound velocity)capable of ul