Seametrics AG90 Series Manual
Electromagnetic insertion flow meter
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Summary of Contents for Seametrics AG90 Series
- Page 1 AG90 Series AG90 Series EX90-Series EX90-Series Electromagnetic Insertion Electromagnetic Insertion Flow Meter Flow Meter 9001 Your first replacement battery is on us. Just register your meter & call when needed!
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Page 2: Table Of Contents
To Change a Passcode ...............................Page 16 Power Indicators ................................Page 16 Battery Powered Units ...............................Page 17 Troubleshooting & Error Messages Problem ...................................Page 18 Probable Cause................................Page 18 Things to Try ..................................Page 18 Error Messages ................................Page 19 Seametrics • 253.872.0284 Page 2 seametrics.com... -
Page 3: General Information
The AG90 includes a Seametrics saddle which has life of the AG90. It is resistant to wear from debris found in been designed to accommodate a wide range of pipe sizes surface or ground water and there are no bearings to wear and types while ensuring correct placement in the pipe. -
Page 4: Specifications
Environmental IP67 * Specifications subject to change. Please consult our website for the most current data (seametrics.com). Rate Time Unit is available in Day only. Forward and reverse flow totals are non-resettable. Batch forward and batch reverse totals can be reset. -
Page 5: Dimensions
CAUTION: Ensure that the U-clip is installed and 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. Seametrics • 253.872.0284 Page 5 seametrics.com... -
Page 6: Chemical Injection Or Fertigation
Caution: In chemical injection or fertigation applications, install chemical NOTE: Install U-clip security seal if regulations require. injection point downstream of magmeter, or far enough upstream to allow complete mixing of fluids before the meter. Seametrics • 253.872.0284 Page 6 seametrics.com... -
Page 7: Saddle Installation
Attach nuts and on the saddle top. attach security clip and seals if required. tighten as shown below. Torque to 75 ft-lb in cross pattern. Seametrics • 253.872.0284 Page 7 seametrics.com... -
Page 8: Straight Pipe Recommendations
Downstream straight pipe requirement is 2X the diameter. See programming setup for details. Full Pipe Recommendations Possible Problem Better Installation Allows air to bleed off Can create air pocket at sensor Seametrics • 253.872.0284 Page 8 seametrics.com... -
Page 9: Full Pipe Recommendations
Allows air pockets to form at sensor Ensures full pipe Possible Problem Better Installation Post-valve cavitation can create air pocket Keeps pipe full at sensor Possible Problem Better Installation Air can be trapped Allows air to bleed off Seametrics • 253.872.0284 Page 9 seametrics.com... -
Page 10: Connections
The AG90 meter has one cable connector. The cable contains the wires for scaled pulse output and external DC power. See Sample Cable Wiring Diagrams and Wiring Table. Power/Output Cable The AG90 is available as a Battery powered meter Battery Version with no external pulse output No wiring is needed. Seametrics • 253.872.0284 Page 10 seametrics.com... -
Page 11: Wiring Diagrams
AG90 Cable Wiring Table 1 PULSE SCLD - 2 PULSE SCLD + PWR - PWR + Battery WHITE GREEN Powered NOT USED Meter Externally WHITE GREEN BLACK Powered Meter (C1 = Power/Output Cable 1) Seametrics • 253.872.0284 Page 11 seametrics.com... -
Page 12: Configuration
(See table) Example: If frequency = 20 Hz then the pulse period = 50 milliseconds and pulse width = (.05 x 50 milliseconds) = 2.5 ms Seametrics • 253.872.0284 Page 12 seametrics.com... -
Page 13: Operation
SUBMENU and perform the hold and tap sequence to EXIT: Return to MAIN MENU. return to the MAIN MENU. INFO COMM MBID FL DIR PRESS TO VIEW INFO ABOUT METER S AMP HPOLL S AMP SETUP EXIT Sub-Menu - Battery Only Version Seametrics • 253.872.0284 Page 13 seametrics.com... - Page 14 Typically they are quite large (especially when replacing into the system and adjustment can be made with high mechanical meters), although the exact size depends on confidence and reliability. the pipe size. These are considered “LARGE” holes. In this Seametrics • 253.872.0284 Page 14 seametrics.com...
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Page 15: Changing Flow Meter Settings - Home Screen And General Navigation
See page 16 for information on how to change a passcode.) ENTER PASSCODE To return to the HOME screen, perform the 000000 hold and tap sequence. PRESS TO CHANGE HOLD TAP Seametrics • 253.872.0284 Page 15 seametrics.com... -
Page 16: To Change A Passcode
EXIT SETCD SETD PDAMP TES T 000000 PRESS T O SET PASSCODE S AMP FOUT EXIT • To set the code, hold and tap SETCD and then use the to enter the new code. Seametrics • 253.872.0284 Page 16 seametrics.com... -
Page 17: Battery Powered Units
4 years sample period. 5.5 years DAMP/Filtering 6 years 6.25 years The DAMP Filter allows multiple readings to be averaged *Based on 85% battery capacity at room temperature. Seametrics • 253.872.0284 Page 17 seametrics.com... -
Page 18: Troubleshooting & Error Messages
Reposition meter for full pipe drops when there is flow Jumpy reading Improperly grounded Check for proper grounding Pulsing flow Increase DAMP value Use external power source (allows more flow averaging) Try power reset Seametrics • 253.872.0284 Page 18 seametrics.com... -
Page 19: Error Messages
Installation hole type (small, large) has not been set. SET PIPE Pipe setting has not been selected. INIT FAIL Initialization has failed. Ribbon cable plugged in AFTER power, or Try power reset there is no communication between transmitter & sensor board. Seametrics • 253.872.0284 Page 19 seametrics.com... - Page 20 SEAMETRICS LIMITED WARRANTY The limited warranty set forth below is given by Seametrics, with respect to Seametrics brand products purchased in the United States of America. Seametrics warrants that products manufactured by Seametrics, when delivered to you in new condition in their original containers and properly installed, shall be free from defects in material and workmanship.
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