Micronics PF D550 Operation Manual

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www.micronicsflowmeters.com
USER'S GUIDE
Installation & Operation
Instructions
Portable Doppler Flow Meter
Model PF D550
Manual Series A.1.7
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Note: This page has been left blank intentionally.
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PF D550 Portable Doppler Flow Meter
INDEX
BATTERY.............................................................................................................4
CONNECTIONS ...................................................................................................4
KEYPAD SYSTEM...............................................................................................5
CALIBRATION MENU ........................................................................................6
MESSAGE.............................................................................................................7
STATUS ................................................................................................................7
PASSWORD......................................................................
UNITS/MODE.......................................................................................................9
CALIBRATION.....................................................................................................10
DATA LOGGING .................................................................................................11
SPECIAL FUNCTIONS ........................................................................................12
SENSOR MOUNTING LOCATION .....................................................................14
FIELD TROUBLESHOOTING .............................................................................18
COMMON QUESTIONS AND ANSWERS..........................................................20
APPLICATIONS HOTLINE..................................................................................22
PRODUCT RETURN PROCEDURE ...
.................................................................23
FLOW METER DATA SHEET .............................................................................24
LIMITED WARRANTY........................................................................................25
SPECIFICATIONS ................................................................................................26
APPENDIX A - CONVERSION TABLE...............................................................28
PIPE CHARTS.......................................................................................................29
....................................8
IMPORTANT NOTE: This instrument is manufactured and calibrated to meet product specifications. Please read this manual carefully before modifications may result in a suspension of the warranty.
If this product is not used as specified by the manufacturer, protection may be impaired.
Available in Adobe Acrobat pdf format
installation and operation. Any unauthorized repairs or
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PF D550 Portable Doppler Flow Meter
BATTERY
- A built-in rechargable NiMH battery supplies power for 18 hours continuous operation when fully charged.
- Display brightness is adjustable to conserve power.
- State of charge is shown for normal use, sleep mode and charging.
- When switched OFF with the AC power module connected the flashing battery indicates charging, solid battery shows fully charged.
- The PF D550 will switch off automatically when the battery is fully discharged.
- Full charge requires approximately 6 hours charging.
- Sleep mode extends battery life for long term data logging. Maximum log time is 18 days at 5 minute sample rate.
CONNECTIONS
TRANSDUCER:
Use type PSE4 supplied with 4 m (12 ft) cable. Optional 15 m (50 ft) extension cable available.
4-20mA
Active only when powered by AC charger, maximum load 500 ohm.
USB
Cable Part #USB-PD is supplied for connecting the PF D550 to a PC or laptop.
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PF D550 Portable Doppler Flow Meter
POWER
An AC powered 15 volt DC power module is supplied for battery charging and continuous use.
KEYPAD SYSTEM
The following diagram shows the PF D550 menu system. Arrows show the four directions to leave a menu box. Pressing a corresponding keypad arrow will move to the next item in the direction shown. Move the cursor (underline) under numerals and increase or decrease numerals with the
and keys.
To store calibration values permanently, press the
.
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CALIBRATION MENU
PF D550 Portable Doppler Flow Meter
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PF D550 Portable Doppler Flow Meter
RUN
The main display shows the units selec te d from the Units/Mode menu, Flow or Velocity rate being measured, TOTALIZER. The PF D550 will start-up with this display and will return to this sc reen after a timeout if keys are not pressed in other menus.
Message is waiting. (Animated)
Battery
0%
Unit plugged into charger.
Data logging is .off
Battery
25%
Battery
50%
Data logging is . (Animated)on
Battery
75%
Battery
(Animat ed when charging)
100%
MESSAGE
Press from the RUN display to view error/warning messages provided by the instrument. The Message icon will appear on the RUN display if error messages are being generated by the instrum ent. Press to return to the main display.
STATUS
Press from the RUN display to view instrument status. Velocity will be displayed in ft/sec or m/se c.
Tot Displays the curre nt totalizer reading.
Signal Cutoff Adjust the setting in perce nt to suppr ess flow readings
Signal Strength Displays percentage of signal being received by the
20mA at Displays the flow rate set as 20mA in the Calibration
at zero flow when fluid swirling or pipe vibra tion may cause the instrument to continue reading. Example: Signal Cutoff at 5% will force the display and outputs to zero when signal strength dr ops below 5%.
ultrasonic sensor.
menu. Press to return to the main display.
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PF D550 Portable Doppler Flow Meter
24 HR LOG
Press from the RUN display to view a formatted flow report from instruments with a built-in data logger . Pre ss to scroll down one day or repeatedly to scroll to a specific date. Up to 365 days can be stored. Newest date will overwrite the oldest. Press to return to the main display.
PASSWORD
The password (a number from 0000 to 9999) prevents unauthorized acce ss to the Calibration menu.
From the Run display press the key to get to password is 0000 and if it has not been changed press the to proceed to the Menu Selections screen.
If a password is required, press to place the cursor under the first digit and or to set the number, then to the second digit, etc. Press or  to proceed to
Menu Selections screen.
the
A new password can be stored by going to
Password. Factory default
Special Fu n ctio ns /N ew Pas swor d.
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PF D550 Portable Doppler Flow Meter
UNITS/MODE
From Mode press the and then the or to select Flow or Velocity. Flow mode displays the flow rate in engineering units ( e.g. gpm, litres/sec , etc. ) Press the to store your selection then the to the next menu item and to enter.
From measurem ent . Press the to store your selection.
Press the key to move the symbol to each subsequent menu item and the to save your selections.
Note: the volume selection "bbl" denotes U.S. oil barrel.
Press or to return to the
Li n ear press the  key and then the or to select your units of
Menu Selections screen.
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CALIBRATION
PF D550 Portable Doppler Flow Meter
Press the to
Calibration and to enter. Use or to position before
each menu item and to enter. When settings are completed press to store and return to the
*20mA at Press then or to change the numbers and decimal point.
Calibration menu.
Use this menu to set the corresponding flow ra te that will be represente d by 20mA analog output. If maximum flow is unknown, enter an estimated flow rate and observe actual flow to determine the correct maxim um value. Any velocity or flow rate up to 12.2 m/sec (+40 ft/sec) may be selected.
*4mA at Press or to set the flow rate corresponding to 4mA analog
output. This setting may be left at zero f low (or velocity or can be raised to any value less than the 20mA setting, or lowered to any velocity or corre sponding flow rate down to -12.2 m/sec (-40 ft/sec).
Min Vel Press  and enter a minimum velocity cutoff. Forward and
reverse velocitie s less than
Pipe ID Place the cursor under the digits and then or to change the
numbers and decimal point.
Min Vel will be forced to zero.
Pipe ID should be entered as the
exact inside diameter of the pipe where the sensor is mounted. Refer to the Pipe Charts Appendix in this manual f or inside diameter of common pipe types and sizes.
Damping Increase damping to stabiliz e readings under turbulent flow
Press from the
*Note To conserve power this output is not ac tive in battery power mode.
conditions. Decrease for fast response to small changes in flow. Damping is shown in percentage (maximum is 99%). Factory default is 20%.
Units/Mode display to return to Menu Selections.
4-20mA circuitry is only powered by the AC power module.
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DATA LOGGING Setup
PF D550 Portable Doppler Flow Meter
Select
Log Site ID Enter a number from 00 to 99. The site ID will become part of
Data Logging from Menu Selections.
the downloaded file name to help distinguish downloa ds from different instruments. Press to store the setting.
Set Date Press  or  to scroll and select Month, Day and Year. Press
to store the setting.
Set T ime Press or to select the current time in Hours, Minutes and
Seconds. Press to store the setting.
Interval Press or to select the logging interval. Flow rate reading
will be stored at each time interval. Press to store the setting.
Wrapping Press  or  to select YES. Press  to store the setting.
This enables the logging wra p function. In the oldest
data will be overwritten by the newest. If Wrapping
Wrapping mode
is not enabled the logger will stop when its memory becomes full.
Log Select Delete and then Start to app ly any chan g es t h at
have been made to the logger
Interval or Mode. The current
log file will be erased from memory and a new log file will start.
RET RI E VE L OG FI LE
Install Micronic s Logger on your PC or laptop. Refer to the Help menu in the program for detailed instr uctions.
- Connect the PF D550 to the PC using the supplied USB cable.
- Install the USB driver program from the insta ll CD.
- Start the Micronics Logger Software.
- Select "xxxx scan for USB instruments xxxx" in the drop down window at the top of the main window. PF D550 will be indicated.
- Click the download icon to start tra nsferring data.
- Downloaded data appears in a pop-up window.
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PF D550 Portable Doppler Flow Meter
SPECIAL FUNCTIONS
Language Select English, French or Spanish
Reset T o tal izer
Press and select Yes to erase and restart the
totalizer at zer o.
Negative T o ta l s Select Yes to have rever se flow readings deducted
from the totalizer. Select
NO to totalize forward
flow only and ignore reverse flow.
Reverse Flow Select Yes to change the display from positive to
negative values.
Cal Constant Set to 1.000 for SE4-A transducer. (Note : Dif ferent
transducer models require spe cific Cal Constants.)
Restore Defaults Select Yes and press to erase all user settings and return the
instrument to factory de fault settings.
New Password Select any number from 0000 to 9999 and press .
Default setting of 0000 will a llow direct access to the calibration me nus. Setting of any password greater than 0000 will require the password to be entered to access the calibration menus.
Press to return to
Menu S election s.
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PF D550 Portable Doppler Flow Meter
SIMULATION
Exercises the 4-20mA.
Test Select Maximum and press to simulate maximum Flow or Velocity and
to output 20mA to the analog channel.
Select
Minimum and press to simulate minimum Flow or Velocity and
to output 4mA to the analog channel.
To simulate measurements between minimum and maximum set
Actual and then enter for the flow measurement. The analog output will
Test to
respond to the simulate d value.
SLEEP MO DE
Logging in sleep mode require s a minimum sample time of 30 seconds. Selecting sleep mode for 10 second sampling rate is indicated by a flashing display.
BACKLIGHT
Three levels of backlight are selectable to conserve power.
CHARGING
A flashing battery indic ates charging. A solid battery indicate s fully charged.
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PF D550 Portable Doppler Flow Meter
SENSOR MOUNTING LOCATION
The position of the sensor is one of the most important considerations for accurate Doppler flow measurement. The same location guidelines apply to Doppler as most ot her types of flow meters.
Before permanently mounting a Doppler sensor onsite testing is recommended to determine optimum mounting position. Use the sensor coupling compound (supplied with each Micronics flow meter, or petroleum gel, acoustic compound or electrocardiograph gel). Take several readings around the axis of the pipe and then at several points upstream and downstream f rom the selected position, checking for consistent readings. Avoid high or low reading areas. Mount the sensor where consistent (average) readings were obtained or continue testing on another pipe section.
VERTICAL OR HORIZONTAL PIPE - Vertical pipe runs generally provide evenly distributed flow. On Horizontal pipes and liquids with high concentrations of gas or solids, the sensor should be mounted on the side (3 or 9 o’clock position) to avoid concentr ations of gas at the top of the pipe, or solids at the bottom. For liquids with minimal gas bubbles (e.g. potable water) the sensor should be mounted on the top of a horizontal pipe (12 o’clock position) to obtain the best signal strength.
VELOCITY INCREASING DEVICES: Generally the sensor must be mounted away fr om flow disturbances such as valves, pumps, orifice plates, venturis or pipe inlets and discharges which tend to increase flow velocity. Velocity increasing devices often cause cavitation, or rapid release of gas bubbles, and readings both up and downstream may show much higher velocity. As a guideline, mount the sensor at least 20 diameters upstream or 30 diameters downstream fr om velocity increasing devices.
Required distance from a velocity increasing device will vary in applications depending on the flow velocity and the characteristics of the liquid itself.
TURBULENCE INCREASING DEVICES: Elbows, flanged connections and tees tend to introduce desirable conditions of an evenly distributed flow profile with some air or gases entrained in the flow. Sensor mounting 6 pipe diameters upstream and 10 diameters downstream from these disturbances is generally optimum.
The sensor is designed to mount longitudinally on a straight section of pipe. Do not attempt to mount it on bends, elbows or fittings.
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PF D550 Portable Doppler Flow Meter
SENSOR MOUNTING
Prepare an area 50mm x 100mm long (2" wide by 4") for sensor bonding by removing loose paint, scale and rust. The objective of site preparation is to eliminate any discontinuity between the sensor and the pipe wall, which would prevent acoustical coupling.
A PC4 Sensor Mounting Kit is supplied with each Micronics flow meter. It includes recommended coupling compound in a plastic applicator and a stainless steel mounting bracket with adjustable pipe straps.
15mm / 0.6”
81cm / 32”
4.5m / 180”
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PF D550 Portable Doppler Flow Meter
SENSOR COUPLING
For permanent or temporary bonding, the following are recommended: a) Dow Corning silicon compound #4 (supplied)
Additional supply: order Micronics Option CC b) High Temperature compound (supplied with Sensor Option SE 3H) Additional supply: order Micronics Option AP-1W c) Water-based sonic compound: Order Micronics Option CC30 d) Electrocardiograph gel e) Petroleum gel (Vaseline)
The above are arranged in their order of preferred application. d & e are only good for temporary bonding at room temperature. DO NOT USE: Silicon RTV caulking compound ( silicon rubber).
Use the PC4 pipe clamp (supplied) as illustrated above or use a loop of electrical tape for temporary mounting. Apply silicon coupling compound #4 to the coloured f ace of the sensor. A bead, similar to toothpaste on a toothbrush, is ideal. Do not overtighten (crush the sensor).
The sensor must be fixed securely to the pipe with coupling material between the sensor face and the pipe. Sensor installation with excessive coupling compound can result in gaps or voids in the coupling and cause errors or loss of signal. Insufficient coupling compound will create similar conditions.
Over time temporary coupling compounds (e.g. Petr oleum Gel) may gradually sag away from the sensor resulting in reduced signal strength and finally complete loss of signal. Warm temperatures, moisture and vibration will accelerate this process. Dow Corning Silicone Compound #4 as supplied with the PF D550 (and available from Micronics Limited) is recommended for semi-permanent installations.
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PF D550 Portable Doppler Flow Meter
SENSOR MOUNTING/COUPLING RECOMMENDATIONS
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PF D550 Portable Doppler Flow Meter
FIELD TROUBLESHOOTING
Possible Causes: Corrective Action:
METER READING LOWER THAN EXPECTED
Calibratio n Error Review UNITS /MODE menu and Pipe ID
Lower flow rate than expected Investigate pump/valves. Compare velocity
with alternate instr ument
Signal not penetra ting far enough into the flow stream Relocate sensor closer to elbows or flow
disturbances
Improper mounting of sensor Reinstall S ensor with careful application of
Coupling Compound
Pipe is not full Remount Sensor on vertical pipe
METER READING WHEN THERE IS NO FLOW
Vibration on pipe Adjust Status / Signal Cutoff setting
Install in another loc ation
Variable Speed Drive inter fer en ce Follow Drive manufacturers wiring and
Grounding instructions
Relocate Flowmeter, Sensor and wiring away
from VSD
Sensor connections incorrect Refer to Connections diagram
METER READING ERRATIC
Sensor mounted too close to valve, pump or elbow Change sensor placement. Recommended 6-10
diameters from elbows, and 30 diameters from pumps, controlling valves, orifice plates, nozzles or open pipe discharge
NO FLOW INDICATION
Not enough suspended partic les or gases in the fluid Relocate sensor in more turbulent pipe section.
Mount sensor at 12 o'clock position on
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PF D550 Portable Doppler Flow Meter
Possible Causes: Corrective Action:
horizontal pipe
Coupling compound washed out, or sensor loose on pipe
Remount sensor
Use Dow Corning Silicone #4
METER READING TOO HIGH
Calibration error Review UNITS/ MODE menu and Pipe ID
Vibration or noise on the pipeline Install in another loc ation.
Pipe is not full Remount Sensor on vertical pipe
Nearby velocity incre asing device (pump, valve, orifice plate)
Relocate sensor >30 pipe diameters from
velocity increa sing device
Variable Speed Drive inter fer en ce Follow Drive manufacturers wiring and
Grounding instructions
Relocate Flowmeter, Sensor and wiring away
from VSD
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PF D550 Portable Doppler Flow Meter
COMMON QUESTIONS AND ANSWERS
The pipe vibrates. Will it affect the flow meter?
Common vibration frequencies are far lower than the sonic frequencies used by the Micronics flow meter, and will not normally affect accuracy or performance. However, applications where very weak Doppler signal is present (when sensitivity is adjusted to maximum and signal strength is low), accuracy may be affected by pipe vibration, or the flow meter may show readings under no-flow conditions. Attempt to relocate the sensor on a pipe section where vibration is reduced, or arrange pipe mounting brackets to reduce vibration at the sensor mounting location.
The flow meter must be installed in a high noise environment. Will this affect operation?
Micronics flow meters are designed to discriminate between environmental noise and the Doppler signal. High noise environments may affect the flow meter’s performance where low signal strength and/or low flow velocities are being measured. Relocate the sensor in a more quiet environment if possible.
Will pipe corrosion affect accuracy of the flow meter?
Yes. Rust, loose paint etc. must be removed from the outside of the pipe to provide a clean mounting position when installing a Doppler sensor. Severe cor rosion/oxidation on the inside of the pipe may prevent the Doppler signal from penetrating into the f low. If the pipe cannot be cleaned, a spool piece (PVC recommended) should be installed for sensor mounting.
What effect do pipe liners have on the flow meter?
The air gap between loose insertion liners and the pipe wall prevent the Doppler signal from entering the flow. Better results can be expected with bonded liners such as cement, epoxy or tar, however an on site test is recommended to determine if the application is suitable for a Doppler flow meter.
Why is Doppler only recommended for liquids containing suspended solids or gases?
The Doppler sensor transmits sound into the flow stream which must be reflected back to the sensor to indicate flow velocity. Gas bubbles or suspended solids act as reflectors for the Doppler signal. As a guideline, Micronics Doppler flow meters are recommended for liquids containing solids or bubbles with a minimum size of 100 microns and a minimum concentration of 75 ppm. Most applications (except potable, distilled or deionized water) will meet this minimum requirement.
Can the sensor be submerged in water?
Yes, for short periods of time or by accident, but it is not recommended for continuous operation. The sensor is constructed to withstand submersion to 10 psi without damage, but external liquid moving in contact with the sensor can be interpreted as flow and cause false readings.
What is the purpose of the Signal Strength Display?
Doppler signals of very low strength are not accepted or processed by the instrument. This feature assists in rejection of environmental noise and vibration. Use the display to evaluate signal strength in your application. Strong signals will increase in percentage to a maximum of 100% or greater.
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PF D550 Portable Doppler Flow Meter
Does the PF D550 require periodic recalibration?
No. PF D550 calibration does not drift over time. The solid state sensor has no moving parts to wear and affect calibration. The Doppler flow technique generates an ultrasonic signal proportional to the velocity of flow. All Micronics timing/counting circuits use crystal-controlled frequency references to eliminate any drift in the processing circuitry.
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PF D550 Portable Doppler Flow Meter
APPLICATIONS HOTLINE
For applications assistance, advice or information on any Micronics Instrument contact your Sales Representative, write to Micronics or phone the Applications Hotline below:
Micronics Limited. Tel: +44 (0)1628 810456 Fax: +44 (0)1628 531540 Knaves Beech Business Centre, sales@micronicsltd.co.uk www.micronicsflowmeters.com Davies Way, Loudwater, High Wycombe, Buckinghamshire,
United Kingdom, HP10 9QR
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PF D550 Portable Doppler Flow Meter
PRODUCT RETURN PROCEDURE
Instruments may be returned to Micronics for service or warranty repair.
1 Obtain an RMA Number from Micronics -
Before shipping a product to the factory please contact Micronics by telephone, fax or email to obtain an RMA number (Returned Merchandise Authorization). This ensures fast service and correct billing or credit.
When you contact Micronics please have the following information available:
1. Model number / Software Version
2. Serial number
3. Date of Purchase
4. Reason for return (description of fault or modification required)
5. Your name, company name, address and phone number
2 Clean the Sensor/Product -
Important: unclean products will not be serviced and will be returned to the sender at their expense.
1. Rinse sensor and cable to remove debris.
2. If the sensor has been exposed to sewage, immerse both sensor and cable in a solution of 1 part household bleach (Javex, Clorox etc.) to 20 parts water for 5 minutes. Important: do not immerse plug end of sensor cable.
3. Dry with paper towels and pack sensor and cable in a sealed plastic bag.
4. Wipe the outside of the enclosure to remove dir t or deposits.
5. Return to Micronics for service.
3 Ship to Micronics -
After obtaining an RMA number please ship the product to the appropriate address below:
Micronics Limited.
Knaves Beech Business Centre, Davies Way, Loudwater, High Wycombe, Buckinghamshire, United Kingdom, HP10 9QR
RMA#
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FLOW METER DATA SHEET
Micronics
Knaves Beech Business Centre, Davies Way, Loudwater, High Wycombe, Buckinghamshire, United Kingdom, HP10 9QR
PF D550 Portable Doppler Flow Meter
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PF D550 Portable Doppler Flow Meter
LIMITEDWARRANTY
_____________________________________
Micronics Limited warrants, to the original purchaser, its products to be free from defects in material and workmanship for a period of one year from date of invoice. Micronics will replace or repair, free of charge, any Micronics product if it has been proven to be defective within the warranty period. This warranty does not cover any expenses incurred in the removal and re-installation of the product.
If a product manufactured by Micronics should prove defective within the first year, return it freight prepaid to Micronics Limited along with a copy of your invoice.
This warranty does not cover damages due to improper installation or handling, acts of nature, or unauthorized service. Modifications to or tampering with any part shall void this warranty. This warranty does not cover any equipment used in connection with the product or consequential damages due to a defect in the product.
All implied warranties are limited to the duration of this warranty. This is the complete warranty by Micronics and no other warranty is valid against Micronics. Some states do not allow limitations on how long an implied warranty lasts or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Micronics Limited.
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PF D550 Portable Doppler Flow Meter
SPECIFICATIONS
Flow Rate Range: ± 0.03 to 12.2 m/sec (± 0.1 to 40
ft/sec) in most applications
Pipe Size: Ultrasonic Sensor mounts on any
pipe from 12.5 mm to 4 .5m ID (1/2" to 1 8 0 " )
Display: Whi te, b acklit matrix - displays
flow rate, totalizer, operating mode and calibration menu
Power Input: Built-in NiMH battery for up to 18
hours continuous operation
E xt e rnal charger with 100-
240VAC 50
Outputs: 4-20mA (500 ohm) when AC
powered
USB for Data Log transfer by
direct PC connection
Data Logger: P rogrammable 300,000 data point
capacity, time and date stamped or formatted flow reports including total, average, minimum, maximum and times of occurrence
PC Sof t wa r e : 'Micronics Logger' for Windows 98 or higher. Retrieves, displays and
saves data log files
Electronics Opera
ting
Temperature: (-23° to 60°C) -10° to 140°F
Electronics Enclosure: Portable, ABS enclosure
Carry Case: Rated IP67 with protective molded foam insert
Accuracy: ±2% of ful l scal e, re quir es solids or bubbles minimum size of 100
microns, minimum concentration 75 ppm. Repeatability: ±0.25%, Linearity: ±0.5%
Calibration: Built-in 5-key progamming wth user-friendly calibration menu. Password
otected.
pr
Language Selection: English, French, Spanish
Sensitivity: Adjustable signal cut-off, signal strength and damping
Approvals: Charger is CE and UL approved. The PF D550 is not certified for use in
hazardous rated locations.
/60Hz input
110mm
4.33”
41mm
1.6”
204mm 8”
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PSE4 Doppler Sensor
Minimu m Pipe Diameter: 12.5 mm (0.5") ID, 15 mm (0.6") OD
Maximum Pipe Diameter: 4.5 m (180") ID
Operating Temp eratu re: -40° to 150°C (-40° to 300°F)
Operating Frequency: 640 KHz
Sensor Housing: Stainless Steel
Sensor Cable: 3.66 m (12 ft) shielded coaxial pair
Submersion Rati ng: Wi thstands accidental submersion pressure up to 0.7 Bar (10 psi)
38mm
1.5”
PF D550 Portable Doppler Flow Meter
Options
35mm
1.375”
Sensor Cable: 15 m (50 ft) sensor cable extension, shielded, with connectors
Sensor Mou nt i ng: Extra silicone coupling compound. Additional stainless steel pipe
Carrying Case: Waterti ght ca rryi ng case with foam inserts
85mm / 3.375”
clamps
3.6m / 12ft
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APPENDIX A - CONVERSION TABLE
CONVERSION GUIDE
FROM TO MULTIPLY BY US GALLONS CUBIC FEET 0.1337 US GALLONS IMPERIAL GALS 0.8327 US GALLONS LITRES 3.785 US GALLONS CUBIC METERS 0.003785 LITRES/SEC GPM 15.85
PF D550 Portable Doppler Flow Meter
LITRES CUBIC METERS 0.001 BARRELS US GALLONS 42 BARRELS IMPERIAL GALS 34.9726 BARRELS LITRES 158.9886 INCHES MM 25.4 DEGREES F DEGREES C (°F-32) x 0.556 POUNDS KILOGRAMS 0.453 PSI BAR 0.0676 FOOT METER 0.0929
Note: BARRELS are U.S. oil barr els.
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PIPE CHARTS
PF D550 Portable Doppler Flow Meter
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PF D550 Portable Doppler Flow Meter
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PF D550 Portable Doppler Flow Meter
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