Seametrics TX800 Series Instructions Manual

Flow sensor

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TX800-Series
FLOW SENSOR
INSTRUCTIONS
•TX81x
•TX82x
ISO
9 0 0 1 : 2 0 0 8
CERTIFIED COMPANY

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Summary of Contents for Seametrics TX800 Series

  • Page 1 TX800-Series FLOW SENSOR INSTRUCTIONS •TX81x •TX82x 9 0 0 1 : 2 0 0 8 CERTIFIED COMPANY...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS TX800 SERIES INSTRUCTIONS General Information Generial Information, Features ..........................Page 3 Specifications ................................Page 4 Installation Fitting Installation, Distorted Flows, Meter Installation, Orienting the Meter ............Page 5 Straight Pipe Recommendations ..........................Page 6 Full Pipe Recommendations ............................Page 7 Connections FT430, FT440 ................................Page 8 FT450, Connecting to PLC's ............................Page 9...
  • Page 3: General Information

    TX800 SERIES INSTRUCTIONS GENERAL INFORMATION The TX800-Series are insertion turbine meters designed for use signal can be connected directly to Seametrics controls and in 1-1/2" to 8" pipe. High-quality jewel bearings and precision displays, as well as PLC's, counters, and computer cards.
  • Page 4: Specifications

    Software, defaults to zero flow Regulatory *Specifications subject to change. Please consult our website for the most current data (www.seametrics.com). Page 4 Se a m et ri c s • 2 53 . 8 72 .0 2 8 4 • w w w . s e am e t r i cs . c o m...
  • Page 5: Installation

    INSTALLATION TX800 SERIES INSTRUCTIONS Fitting Installation Meter Installation After the meter fitting is installed in the pipeline, the meter TX800-Series meters require special fittings. The meter fitting can be installed in the fitting. After noting the direction of the must first be installed in the pipeline. Straight pipe of at flow arrow, press the meter into the fitting as far as it will go.
  • Page 6: Straight Pipe Recommendations

    INSTALLATION TX800 SERIES INSTRUCTIONS Straight Pipe Recommendations (X = diameter) Reduced Pipe Two Elbows In Plane Two Elbows, Out Of Plane Expanded Pipe Spiral Flow Propeller Meter Swirling Flow Partially Open Butterfly Valve Page 6 Se a m et ri c s • 2 53 . 8 72 .0 2 8 4 • w w w . s e am e t r i cs . c o m...
  • Page 7: Full Pipe Recommendations

    INSTALLATION TX800 SERIES INSTRUCTIONS Full Pipe Recommendations Possible Problem Better Installation 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...
  • Page 8: Connections

    CONNECTIONS TX800 SERIES INSTRUCTIONS FT430 FT430 Pulse Pass-thru 7-45Vdc Supply BLACK WHITE Pulse Responsive Metering Pump Flow Sensor FT440 FT440 4-20mA Device 9-30 Vdc Loop Power Supply BLACK WHITE Electronic Metering Pumps Flow Sensor Page 8 Se a m et ri c s • 2 53 . 8 72 .0 2 8 4 • w w w . s e am e t r i cs . c o m...
  • Page 9: Ft450, Connecting To Plc's

    CONNECTIONS TX800 SERIES INSTRUCTIONS FT450 FT450 Pulse Pass-thru Lithium C, 3Vdc Replaceable Battery BLACK WHITE Pulse Responsive Metering Pump Input Designed for Current Sinking (NPN) Devices + DC Voltage White Signal Black Ground Current Sinking Micropower Polarity-Sensitive Flow Sensor Figure 1...
  • Page 10: Operation And Maintenance

    Output The output is a current-sinking pulse (square wave) compatible with many controls in addition to the Seametrics indicators and transmitters. The most common of these are water treatment controllers and programmable logic controllers (PLC’s). For these units, it is sometimes necessary to provide a pull-up resistor if the controller does not provide for a current-sinking output.
  • Page 11: Rotor Replacement, Signal Troubleshooting, Sensor Replacement

    TX800 SERIES INSTRUCTIONS OPERATION AND MAINTENANCE Caution: Never remove the u-clip retainer when the pipe is under pressure. Always remove pressure from the pipe before attempting to remove the meter. Removal under pressure may result in damage or serious injury.
  • Page 12: Parts List

    OPERATION AND MAINTENANCE TX800 SERIES INSTRUCTIONS TX800 Series Parts List TX800 Series Parts White Housing Blue Housing 1a thru 7a 1b thru 7b Upper housing/ Contact service Contact service electronics representative representative for your specific for your specific model model...
  • Page 13: Problem, Probable Cause, Things To Try

    TROUBLESHOOTING TX800 SERIES INSTRUCTIONS Problem Probable Cause Try... No signal after installation Insufficient flow Reduce pipe size if possible, use different type of sensor Bad connections to control electronics Reconnect if necessary Incompatible control Use different power supply Add pull-up resistor (see page 9)
  • Page 14 TX800 SERIES INSTRUCTIONS Page 14 Se a m et ri c s • 2 53 . 8 72 .0 2 8 4 • w w w . s e am e t r i cs . c o m...
  • Page 15 TX800 SERIES INSTRUCTIONS Sea m e tr i cs • 2 5 3. 872 . 0 2 8 4 • w w w . s e a me t r i c s .c o m Page 15...
  • Page 16 S e a m et ri c s • 190 26 7 2nd Av e nu e So u th • K e nt , Wa s h i ng t o n 9 8 0 3 2 • U S A (P) 253 .

This manual is also suitable for:

Tx82 seriesTx81 series

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