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Greyline AVFM 5.0, Руководство пользователя

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Page 50

AVFM 5.0 Area-Velocity Flow Meter

SENSOR MOUNTING
Dual Sensor Configuration

Prepare an area 2" wide by 4" long (50mm x 100mm) 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 Greyline flow meter. It includes recommended
coupling compound in a plastic applicator and a stainless steel mounting bracket with adjustable pipe
straps.

Содержание AVFM 5.0

Страница 1: ...www greyline com USER S GUIDE Installation Operation Instructions Area Velocity Flow Meter Model AVFM 5 0 Manual Series A 2 3 ...

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

Страница 3: ...STALLATION 23 FIELD TROUBLESHOOTING 25 APPLICATIONS HOTLINE 27 PRODUCT RETURN PROCEDURE 28 AREA VELOCITY FLOW DATA SHEET 29 APPENDIX A OPTIONS 31 DATA LOGGING OPTIONAL 39 SPECIFICATIONS 41 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 resu...

Страница 4: ...rent 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 qualified personnel should access connections Note Use of instrumentation over 40 C ambient requires special field wiring Note User replaceable fuse is 2 Amp 250V T2AL250V FUNCTION TEST Connect the sensor to th...

Страница 5: ...Page 5 AVFM 5 0 Area Velocity Flow Meter CONNECTIONS ...

Страница 6: ... 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 even through power interruptions press ...

Страница 7: ...Page 7 AVFM 5 0 Area Velocity Flow Meter CALIBRATION MENU ...

Страница 8: ...Page 8 AVFM 5 0 Area Velocity Flow Meter ICONS ...

Страница 9: ... to return to the main display STATUS Press from the MAIN display to view instrument status Velocity Will be displayed in ft sec or m sec Level Is displayed in the selected units 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 Sign...

Страница 10: ...rite the oldest Press to return to the main display PASSWORD The Password a number from 0000 to 9999 prevents unauthorized access to the Calibration menu From the Main display press to get to Password Factory default password is 0000 and if it has not been changed press 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 ...

Страница 11: ...s the to store your selection then the to the next menu item 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 barrels Temperature press then to select C or F Press or to return to the Menu Selections s...

Страница 12: ... value for 20mA 4mA Vel 0V Vel Press and enter the velocity value for 4mA 20mA Level 5V Level Optional for QZ02L A type sensor Press and enter the level value for 20mA 4mA Level 0V Level Optional for QZ02L A type sensor Press and enter the level value for 4mA MaxRg Only for PZ15LP QZ02L B type sensor Press and enter the zero water level distance from the PZ15 LP sensor to the zero water level MinR...

Страница 13: ...d bottom of sensor Maximum offset is 36 914 mm Note 4mA is not affected by Lvl Offset settings 4mA is the bottom of the channel or pipe Min Vel Press and enter a minimum velocity cutoff Forward and reverse velocities less than Min Vel will be forced to zero Damping Increase damping to stabilize readings under turbulent flow readings or to reject spurious level readings Decrease for faster response...

Страница 14: ...ner diameter of the pipe Rectangle Select Rectangle for rectangular channels Enter the channel width Trapezoid Select Trapezoid for trapezoidal shaped channels Specify the Width and Slope of the channel as shown in the following illustration Egg Select Egg for Egg shaped channels Enter the Max Height of the channel ...

Страница 15: ... Enter the increment number if you want to edit a previous entry or to skip entering widths for some levels Note The custom channel will interpolate widths between entry points Width Enter the measured width of the channel at the level shown Note To enter 0 width you must press and then to store a 0 width data point Level Displays the level of the channel for each increment and width entry Note Cu...

Страница 16: ... pulse Use this feature for remote samplers chlorinators or totalizers Minimum time between pulses is 2 25 seconds and pulse duration is 350 milliseconds Return to Relay and enter settings for each relay Velocity On Position the cursor under the numerals and press or to set digits to the relay On set point Off set digits to the Off set point Level On Position the cursor under the numerals and pres...

Страница 17: ...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 so that flow in either direction is displayed and output as positive values Select Invert to invert the sense of the flow measurement Cal Constant Scales the velocity reading S...

Страница 18: ... and Velocity and to output 20mA 5V to the analog channels Select Minimum and press to simulate minimum Flow Level and Velocity and to output 4mA 0V to the analog channels To simulate an intermediate Flow Level and Velocity set Test to Actual and then enter a value for the Level and Velocity The Flow calculation analog outputs and control relays will respond to the simulated values ...

Страница 19: ...nd downstream from the sensor Locate the QZ02L sensor at least 10 times maximum Head level and 10 times the channel width from these flow disturbances 4 The QZ02L submerged level velocity sensor requires a minimum water level of 1 in 25 4 mm QZ02L VELOCITY LEVEL SENSOR MOUNTING Mount the QZ02L sensor with the stainless steel bracket and hardware supplied Ensure that the sensor is parallel to the w...

Страница 20: ...Page 20 AVFM 5 0 Area Velocity Flow Meter ...

Страница 21: ... will point downstream Turn the adjustment nut clockwise to expand the bracket and secure to the pipe wall by friction fit Insert the sensor into the mounting bracket and tie wrap the sensor cable securely to the pipe band using the holes provided OPTIONAL QZ02L DP VELOCITY SENSOR MOUNTING Mount the velocity sensor at or near the bottom of the channel or pipe in a position where it will be continu...

Страница 22: ...NSOR MOUNTING Mount the PZ15 LP non contacting ultrasonic level sensor in an unobstructed position at least 8 203 2 mm above the high water level Install the stainless steel mounting bracket in a horizontal position check with a level and then insert the PZ15 LP sensor ...

Страница 23: ...MA4X IP66 WITH CLEAR COVER 1 Open hinged enclosure cover 2 Insert 12 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 with a hole saw or Greenlee type hole cutter DO NOT make conduit wiring entries into the top of the enclosure Note This non metallic enclosure does not ...

Страница 24: ...ea Velocity 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 ...

Страница 25: ...ITY measurements separately Note Selecting Defaults in the SPECIAL FUNCTION menu will return the instrument to as shipped factory settings LEVEL QZ02L SENSOR SYMPTOMS FAULTS SOLUTIONS EC bar graph at zero very turbulent flow very aerated flow relocate sensor or use PZ15 LP sensor not level level sensor with Bullseye level sediment dirt grease build up on sensor clean sensor with liquid soap Level ...

Страница 26: ...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 approximately 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 ...

Страница 27: ...Sales Representative write to Greyline or phone the Applications Hotline below United States Tel 315 788 9500 Fax 315 764 0419 Canada Tel 613 938 8956 Fax 613 938 4857 Toll Free 888 473 9546 Email info greyline com Web Site www greyline com Greyline Instruments Inc Canada USA 16456 Sixsmith Drive 105 Water Street Long Sault Ont K0C 1P0 Massena NY 13662 ...

Страница 28: ...an 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 open end of sensor cable 3 Dry with paper towels...

Страница 29: ...Page 29 AVFM 5 0 Area Velocity Flow Meter AREA VELOCITY FLOW DATA SHEET ...

Страница 30: ...ong 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 durat...

Страница 31: ... cable and Cable Junction Box Option JB2X or JB4X may be ordered with the Flow Meter or the cable may be spliced and extended up to 500 ft 152 m total length as required during installation No adjustment is required when the sensor cable is extended or shortened Use only Greyline tri coaxial VXC shielded cable or run three RG174U coaxial cables in a metal conduit Extended sensor cable can be insta...

Страница 32: ...age 32 AVFM 5 0 Area Velocity Flow Meter COAXIAL CABLE PREPARATION VXC Doppler sensor cable can be cut and spliced up to a maximum length of 500 ft 152 m Cable ends must be prepared as illustrated below ...

Страница 33: ...rea Velocity Flow Meter JUNCTION BOX OPTION JB2X JB4X NEMA4X IP66 polycarbonate Junction Box with terminal strips is available from Greyline Instruments Includes compression fittings for watertight coaxial cable entries ...

Страница 34: ...Page 34 AVFM 5 0 Area Velocity Flow Meter SS PIPE MOUNTING BAND OPTION VSJ ...

Страница 35: ...in a hazardous location rated Class I Groups C D Class II Groups E F G Class III Intrinsic Safety Barriers may be ordered with the Greyline instrument and are supplied mounted in the Greyline instrument enclosure Replacement barrier fuses Part No ISB 011239 may be purchased separately The instrument enclosure containing the Intrinsic Safety Barriers must be installed in a non hazardous location ...

Страница 36: ...Page 36 AVFM 5 0 Area Velocity Flow Meter ...

Страница 37: ...e 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 ENCLOSURE SUNSCREEN Option SCR Do not mount instrument electronics in direct sunlight Overheating will reduce the life of electronic components and condensate may form during the heat cool cycles and cause electrical shorts ...

Страница 38: ...ON 9 32VDC AVFM 5 0 Flow Meters may be ordered factory configured for 9 32VDC power input 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 ...

Страница 39: ...Interval Press or to 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 View 24 hr formatted Reports on the AVFM...

Страница 40: ...t according to the Log Site ID entered in the instrument Data Logging menu Download letter will be A for the first download from an instrument B for the second then C etc At the letter Z a character will appear indicating that 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 us...

Страница 41: ...n menu Programming Built in 5 key calibrator with English French or Spanish language selection Power Input 100 240VAC 50 60 Hz 30 W max Optional 9 32VDC rated 9W typical 5 8W with standard features Outputs 3 Isolated 4 20mA 1000 ohm load maximum or 3 Isolated 0 5V Control Relays Qty 2 rated 5 ampere SPDT Temperature Compensation Automatic temperature probe built in to level Sensor Electrical Surge...

Страница 42: ... 1 5 m sec Minimum Head 1 in 25 4 mm Maximum Head 16 ft 4 88 m Operating Temperature 5 to 175 F 15 to 80 C Exposed Materials 316 Stainless Steel epoxy resin polyurethane Sensor Cable 26 25 ft 8 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 ...

Страница 43: ...25 ft 8 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 Optional Sensor PZ15 LP Maximum Range 15 ft 4 57 m Minimum Range 8 203 2 mm Beam Angle 8 Operating Temperature 40 to 150 F 40 to 65 C Exposed Materials Sensor PVC Mounting Bracket 316 Stainless Hazardous Rating CS...

Страница 44: ...Page 44 AVFM 5 0 Area Velocity Flow Meter Dual Non Contacting Sensor Configuration ...

Страница 45: ...Page 45 AVFM 5 0 Area Velocity Flow Meter CONNECTIONS Dual Sensor Configuration ...

Страница 46: ...ut can be selected as 4 20mA or 0 5V in Special Functions 4mA Flo 0V Flo Press and enter the flow rate value for 4mA 20mA Vel 5V Vel Press and enter the velocity value for 20mA 4mA Vel 0V Vel Press and enter the velocity value for 4mA 20mA Level 5V Level Optional for QZ02L A type sensor Press and enter the level value for 20mA 4mA Level 0V Level Optional for QZ02L A type sensor Press and enter the...

Страница 47: ...level Min Vel Press and enter a minimum velocity cutoff Forward and reverse velocities less than Min Vel will be forced to zero Damping Increase damping to stabilize readings under turbulent flow readings or to reject spurious level readings Decrease for faster response to changes in flow Press from the Calibration display to return to Menu Selections ...

Страница 48: ...n only Do not clamp sensor body or stem 2 Do not mount sensor or cover flange in direct sunlight 3 Extend sensor cable up to 500 ft 150 m with RG62AU coaxial only and junction box 4 Standpipe diameter as large as possible typical standpipe 6 150 mm diameter 12 16 300 500 mm height Use a Sensor Sunscreen option PZS when sensor is installed indirect sunlight ...

Страница 49: ...ectrical tape for temporary 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 a...

Страница 50: ... 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 Greyline flow meter It includes recommended coupling compound in a plastic applicator and a stainless steel mounting bracket with adjustable pipe straps ...

Страница 51: ......

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