EX80 Series
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EX81EX82
The Leader in Flow Meter Value.
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(Includes Dates 6/28/05 to 10/06)
Page 1: ...tic FLOW SENSOR instructions E X 8 0 S E RI E S E l e c t r o m a g n e t i C F l o w se n s o r i n s t r u c t i o n s EX81 EX82 The Leader in Flow Meter Value A R C H I V E D I n c l u d e s D a t e s 6 2 8 0 5 t o 1 0 0 6 ...
Page 2: ...directional connection Page 8 Operation Maintenance Zero Adjustment Minimum Flow Flow Rate Table Presence of Flow Indication Filtering Electrode Coating Calibration K Factor K Factor Chart Page 9 Troubleshooting Problems Probable Causes and Things to Try Back TableS AND DIAGRAMS Parts Diagram Page 1 Distorted Flows Positioning the Meter Page 2 Straight Pipe Recommendations Page 3 Full Pipe Recomme...
Page 3: ...ion on Connecting to PLC s and other Controllers before connecting to a non SeaMetrics control Insertion Depth Like all insertion flow sensors the EX80 Series extend into the pipe and measure the velocity of the fluid in a particular area of the pipe The chosen insertion depth is the critical point or the area of the flow stream which maintains the average velocity across a wide range of flow rate...
Page 4: ...If possible straight pipe should be added to the upstream end of these fittings INSTALLATION Caution Never remove the u clip retainer when the pipe is under pressure Always remove pressure from the pipe before you attempt to remove the meter Removal under pressure may result in damage or serious injury A PVC fitting is usually installed by solvent welding The stainless steel and brass meter fittin...
Page 5: ...er Page 3 5X 10X 5X 10X 5X 20X 5X 20X 30X 50X Reduced Pipe Two Elbows In Plane Two Elbows Out Of Plane Expanded Pipe Swirling Flow Propeller Meter Partially Open Butterfly Valve Spiral Flow A R C H I V E D I n c l u d e s D a t e s 6 2 8 0 5 t o 1 0 0 6 ...
Page 6: ...ximum recom mended temperature is 130 F Plastic 200 F Metal Page 4 FULL PIPE RECOMMENDATIONS RECOMMENDED NOT RECOMMENDED RECOMMENDED NOT RECOMMENDED Allows air pockets to form at sensor Ensures full pipe Post valve cavitation can create air pocket Keeps pipe full at sensor Air can be trapped Allows air to bleed off RECOMMENDED NOT RECOMMENDED A R C H I V E D I n c l u d e s D a t e s 6 2 8 0 5 t o...
Page 7: ...ral Electrical Guidelines Whenever possible avoid running control cables in the same conduit with AC power Using shielded cable be sure that one end is grounded Avoid routing flow sensor cables in close proximity to a variable frequency drive Recommended power and output wiring is shielded 18 22 AWG control cable Recommended voltage is 12 24 VDC Note that unregulated power supplies can vary from n...
Page 8: ...s Sensor 4 20 mA 4 20 mA 24 Vdc Power NC COM NO 12V SEN1 G SEN2 EX Series 24 Vdc Power Power Forward Output FT520 Reverse Output Option 15 only Reverse Output Option 15 only Max 6 mA 30 Vdc Batching Relay Output See Dual FT420 Diagram for an example of bidirectional connections See Dual FT420 Diagram for an example of bidirectional connections Frequency See Dual FT420 Diagram for an example of bid...
Page 9: ...er Forward Output Reverse Output Option 15 only 24 Vdc Power Power 4 20mA Pulse Scaled Pulse Pass Thru To Proportional Feed Metering Pump Sensor Input Power 4 20mA Pulse Scaled Pulse Pass Thru Power Alarm Relay output FT420 Display and 4 20 mA Output FS30 Flow Switch EX Series FS30 FT420 FT420 See Dual FT420 Diagram for an example of bidirectional connections See Dual FT420 Diagram for an example ...
Page 10: ... Scaled Pulse Pass Thru DL75 DATA LOGGER Reverse Output Option 15 only Power Forward Output Sensor Input DL75 EX Series FT420 DL75 24 Vdc Power DL75 FT420 EX Series Sensor Input Power 4 20mA Pulse Scaled Pulse Pass Thru Sensor Input Reverse Output Option 15 only Power Forward Output See Dual FT420 Diagram for an example of bidirectional connections See Dual FT420 Diagram for an example of bidirect...
Page 11: ...ctor represents the actual number of pulses per gallon the meter produces during a flow test This number can be entered into your electronic control to make it read properly If the EX80 Series meter is ordered with a tee fitting it is factory calibrated in the fitting and the K factor is indicated on the side of the fitting see diagram Find Your K Factor Here Page 9 1 1 1 2 2 3 4 6 8 10 Min 50 1 1...
Page 12: ...tions Select another flow meter Check for proper ground Check for proper electrical wiring Select another flow meter Check for full pipe or install meter in the vertical position Check for ten diameters upstream AND five diameters downstream Pipe not full Below minimum flow cutoff Unit not grounded Excessive electrical noise No power Flow Reversed Power Reversed Output connections reversed Fluid c...
