Greyline Instruments SFM 6.1 Installation & Operation Instructions Download Page 24 | Manualshive

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Page 24

SFM 6.1 Slurry Flow Meter

Possible Causes:

Corrective Action:

METER READING DOES NOT TRACK FLOW

Sensor and GND wires reversed or not properly
connected



Check Sensor connections

Improper AC power input Ground



Use direct connection with 12 AWG wire to
nearest Ground pole (<1 ohm resistance).

SENSOR CABLE RESISTANCE TEST

Unplug the green sensor terminal from the slurry board and connect the sensor wires as shown. With a
multimeter, perform resistance checks for each set of wires. One single loose terminal may cause false
readings.

Test across shield and core of each wire: TMTR (black/white) and RCVR (black). Resistance should be
around 82.5K ohms for any cable length. High readings indicate an open circuit and low readings
indicate a short or partial short in the sensor cable.

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Summary of Contents for SFM 6.1

Page 1: ...www greyline com USER S GUIDE Installation Operation Instructions Slurry Flow Meter Model SFM 6 1 Manual Series A 1 1 ...

Page 2: ...Note This page has been left blank intentionally ...

Page 3: ...TIONS HOTLINE 27 PRODUCT RETURN PROCEDURE 27 FLOW METER DATA SHEET 28 APPENDIX A OPTIONS 30 DATA LOGGING 34 SPECIFICATIONS 36 PIPE CHARTS 38 IMPORTANT NOTE This instrument is manufactured and calibrated to meet product specifications Please read this manual carefully before installation and operation Any unauthorized repairs or modifications may result in a suspension of the warranty If this produ...

Page 4: ...115 VAC or 230 VAC IMPORTANT NOTE To comply with electrical safety standards AC power input and relay connection wires must have conduit entry to the instrument enclosure Installation requires a switch overcurrent fuse or circuit breaker in the building in close proximity to the equipment that is marked as the disconnect switch Risk of electric shock Loosen cover screw to access connections Only q...

Page 5: ...Page 5 SFM 6 1 Slurry Flow Meter CONNECTIONS ...

Page 6: ...how 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 highlighted under numerals and increase or decrease numerals with the and keys To store calibration values permanently even through power interruptions press the ...

Page 7: ...Page 7 SFM 6 1 Slurry Flow Meter CALIBRATION MENU ...

Page 8: ...Page 8 SFM 6 1 Slurry Flow Meter ICONS ...

Page 9: ...y STATUS Press from the main display to view instrument status Velocity will be displayed in ft sec or m sec Tot Displays the current totalizer reading Signal Cutoff Adjust the setting in percent to suppress flow readings at zero flow when fluid swirling or pipe vibration may cause the instrument to continue reading Example Signal Cutoff at 5 will force the display and outputs to zero when signal ...

Page 10: ...e main display PASSWORD The password a number from 0000 to 9999 prevents unauthorized access to the Calibration menu From the main display press the key to get to Password Factory default 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 se...

Page 11: ... Press the to store your selection then the to the next menu item and to enter From Linear press the key and then the or to select your units of measurement 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 Menu Selections screen ...

Page 12: ...tput This setting may be left at zero flow or velocity or can be raised to any value less than the 20mA setting or lowered to any velocity or corresponding flow rate down to 40 ft sec 12 2 m sec Min Vel Press and enter a minimum velocity cutoff Forward and reverse velocities less than Min Vel will be forced to zero Pipe ID Place the cursor under the digits and then or to change the numbers and dec...

Page 13: ...ired Off set point Low Alarm mode relay will energize at a programmable flow rate and remain energized with flow below the set point When flow rises above the set point the relay will de energize Hi Alarm mode relay will energize at a programmable flow rate and remain energized with flow above the set point When flow falls below the set point the relay will de energize Pulse Press and set digits t...

Page 14: ...ive Totals Select Yes to have reverse flow readings deducted from the totalizer Select No to totalize forward flow only and ignore reverse flow Flo Direction Select On to enable flow direction measurement Select Off to disable flow direction measurement Select Invert to invert the sense of the flow measurement Cal Constant Scales the velocity reading Factory value is close to 1 000 for a SE4 A sen...

Page 15: ...aximum Flow or Velocity and to output 20mA 5V to the analog channel Select Minimum and press to simulate minimum Flow or Velocity and to output 4mA 0V to the analog channel To simulate measurements between minimum and maximum set Test to Actual and then enter for the flow measurement The analog output and control relays will respond to the simulated value ...

Page 16: ...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 from flow disturbances such as valves pumps orifice plates venturis or pipe inlets and discharges which tend to increase flow ...

Page 17: ...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 Greyline flow meter It includes recommended coupling compound in a plastic applicator and a stainless steel mounting bracket with adjustable pipe straps ...

Page 18: ...ry mounting Apply silicon coupling compound 4 to the coloured face 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 o...

Page 19: ...Page 19 SFM 6 1 Slurry Flow Meter SENSOR MOUNTING COUPLING RECOMMENDATIONS ...

Page 20: ...losure NEMA4X STAINLESS STEEL Insert 14 screws supplied through the four enclosure mounting holes to secure the enclosure to the wall or mounting stand Additional conduit holes can be cut in the bottom of the enclosure when required Use a carbide tipped hole cutter to cut the required holes DO NOT make conduit wiring entries into the top of the enclosure Note Grounding must be provided as part of ...

Page 21: ... Slurry Flow Meter FUSE REPLACEMENT 1 Turn OFF power 2 Loosen cover screw and open 3 Remove power module 4 Locate fuse on Power Board 5 Replace fuse with 2 AMP 250V 5 x 20mm fuse 6 Reinstall power module into chassis ...

Page 22: ...FLOW Vibration on pipe Adjust Status Signal Cutoff setting Install in another location Local electrical noise Ensure all Flowmeter wiring is in METAL conduit and sensor shield is properly grounded Ensure correct power input Ground connection 1 ohm resistance Ensure 4 20mA Shield connected to Instrument Ground stud Cross talk between two or more SFM 6 1 flowmeters on same pipe Refer to Synchronizat...

Page 23: ...loose on pipe Remount sensor Use Dow Corning Silicone 4 Power interruption No flow Check fuse breaker Confirm flow METER READING TOO HIGH Calibration error Review UNITS MODE menu and Pipe ID Vibration or noise on the pipeline Install in another location Pipe is not full Remount Sensor on vertical pipe Nearby velocity increasing device pump valve orifice plate Relocate sensor 30 pipe diameters from...

Page 24: ...stance SENSOR CABLE RESISTANCE TEST Unplug the green sensor terminal from the slurry board and connect the sensor wires as shown With a multimeter perform resistance checks for each set of wires One single loose terminal may cause false readings Test across shield and core of each wire TMTR black white and RCVR black Resistance should be around 82 5K ohms for any cable length High readings indicat...

Page 25: ...mended 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 ultrasonic 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 slurry flow meter Why ...

Page 26: ...ended for cable splices Does the SFM 6 1 require periodic recalibration SFM 6 1 calibration does not drift over time The solid state sensor has no moving parts to wear and affect calibration The ultrasonic flow technique generates an ultrasonic signal proportional to the velocity of flow All Greyline timing counting circuits use crystal controlled frequency references to eliminate any drift in the...

Page 27: ...ail to obtain an RMA number Returned Merchandise Authorization This ensures fast service and correct billing or credit When you contact Greyline 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 Produ...

Page 28: ...Page 28 SFM 6 1 Slurry Flow Meter FLOW METER DATA SHEET ...

Page 29: ...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 ...

Page 30: ...y be spliced and extended up to 500 ft 152m as required during installation No adjustment is required when the sensor cable is extended or shortened Use only Greyline shielded coaxial pair RG174U cable Extended sensor cable should be installed in conduit for mechanical protection Recommended installation is illustrated below COAXIAL CABLE PREPARATION DXC ultrasonic sensor cable can be cut and spli...

Page 31: ...m sec Operating Temperature 5 to 150 F 15 to 65 C Exposed Materials PVC epoxy resin polyurethane ultem Sensor Cable 25 ft 7 6 m submersible polyurethane jacket shielded 3 coaxial Hazardous Rating CSA rated Intrinsically Safe Class I Groups C D Class II Groups E F G with optional Intrinsic Safety Barrier QZ02L B VELOCITY SENSOR 25 ft 7 6 m Sensor Cable 5 00 1 27mm 1 50 38 1mm 0 63 1 6 mm SIDE VIEW ...

Page 32: ...R AND THERMOSTAT Option TH Instruments can be factory equipped with an Enclosure Heater and Thermostat or the module can be customer installed The Thermostat is factory set to turn ON at 40 F 4 5 C and OFF at 60 F 15 5 C Power consumption is 15 Watts ...

Page 33: ...st operation of the SFM 6 1 by holding the sensor in one hand and rubbing your thumb or fingers briskly across the face plastic surface of the sensor Allow 15 seconds for the SFM 6 1 to process the signal and display a flow value CONNECTIONS POWER INPUT Connect 9 32VDC to the and terminals The Power Input GND terminal must be connected to the nearest Ground pole A 1 amp fuse in line is recommended...

Page 34: ...o select the logging interval Press to store the setting Log Stop Start or Delete the log file Press or to Delete and to delete the log file Press or to Start and to start the logger Note You MUST delete old log and start a new log AFTER having set changes to Log Site ID Mode and or Interval for those changes to be applied to the log file RETRIEVE LOG FILE Plug a USB Flash Memory Drive not supplie...

Page 35: ... the maximum number of downloads for that instrument are on the USB flash drive Older files can be erased or moved from the flash memory drive or a new memory drive can be used OPENING LOG FILES Install Greyline Logger on your PC or laptop Refer to the Help menu in the program for detailed instructions Select File Open Instrument Log log to open the log file from your USB flash drive ...

Page 36: ... Isolated 4 20mA 1000 ohm load max Control Relays Qty 2 rated 5 amp 240VAC SPDT programmable flow alarm and or proportional pulse Enclosure NEMA4X Stainless Steel with Polycarbonate window Environmental Conditions Relative humidity up to 80 23 to 60 C ambient temperature maximum 5000 m altitude pollution degree 4 Installation Category II Sensitivity adjustable Damping adjustable Electrical Surge P...

Page 37: ...S IMPERIAL GALS 0 8327 US GALLONS LITRES 3 785 US GALLONS CUBIC METERS 0 003785 LITRES SEC GPM 15 85 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 barrels ...

Page 38: ...0 46 12 28 0 49 12 22 14 15 30 0 33 14 64 0 36 14 58 0 39 14 52 0 42 14 46 0 45 14 40 0 48 14 34 0 51 14 28 16 17 40 0 34 16 72 0 37 16 66 0 40 16 60 0 43 16 54 0 46 16 48 0 49 16 42 0 52 16 36 18 19 50 0 35 18 80 0 38 18 74 0 41 18 68 0 44 18 62 0 47 18 56 0 50 18 50 0 53 18 44 1875 375 20 21 60 0 36 20 88 0 39 20 82 0 42 20 76 0 45 20 70 0 48 20 64 0 51 20 58 0 54 20 52 24 25 80 0 38 25 04 0 41 ...

Page 39: ...218 24 24 000 23 563 218 23 500 250 Pipe Pipe Schedule 60 Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Size O D I D WALL I D WALL I D WALL I D WALL I D WALL I D WALL 840 546 147 466 187 1 050 742 154 614 218 1 1 315 957 179 815 250 1 1 660 1 278 191 1 160 250 1 1 900 1 500 200 1 338 281 2 2 375 1 939 218 1 689 343 2 2 875 2 323 276 2 125 375 3 3 500 2 900 300 2 624 438 3 4 000 3...

Page 40: ...1 40 0 68 10 04 12 13 20 0 54 12 12 13 20 0 62 11 96 13 50 0 68 12 14 13 50 0 75 12 00 14 15 30 0 57 14 16 15 30 0 66 13 98 15 65 0 74 14 17 15 65 0 82 14 01 16 17 40 0 60 16 20 17 40 0 70 16 00 17 80 0 80 16 20 17 80 0 89 16 02 18 19 50 0 64 18 22 19 50 0 75 18 00 19 92 0 87 18 18 19 92 0 96 18 00 20 21 60 0 67 20 26 21 60 0 80 20 00 22 06 0 92 20 22 22 06 1 03 20 00 24 25 80 0 76 24 28 25 80 0 8...

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