Seametrics Single Jet Low Flow Meter SPT & SPX Series

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Seametrics Single Jet Low Flow Meter SPT & SPX Series | Descriptions

These versatile impeller flowmeters are available in 3/8”, 1/2”, 3/4”, and 1” nominal pipe sizes with female NPT threads. They employ jewel bearings to allow for very low minimum flow rates and superior life. The SPX, with a body of polypropylene, is an economical choice for metering water or low corrosion fluids. The lens cover is available in a choice of materials: acrylic for visual flow indication of low-corrosion fluids; polypropylene when more corrosion resistance is needed. The standard rotor assembly is Kynar® with a tungsten carbide shaft. The O-ring is EPDM.

The SPT offers greater chemical resistance with a Teflon® body and cover, Teflon®-coated Viton® O-ring, and standard Kynar®/ceramic rotor assembly. The pulse output of these meters is compatible with many different types of controls, including a full range of Seametrics rate displays and controls.  The Seametrics FT430 and FT440 provide flow rate and total flow indication. The FT440 also includes 4-20 mA output capability. The FT450 is a battery-operated rate & total display. For metering pump pacing or interfacing with low-speed counters, the PD10 pulse divider is recommended. The AO55 may be used for blind 4-20 mA transmission


  • Low flow, chemical resistant flow meter in sizes 3/8″ to 1″
  • Versatile square-wave signal connects to PLC’s, counters, and Seametrics controls
  • Only one moving part
  • Sight flow indication
  • Replaceable non-wetted solid-state pickup
  • Wide flow range

Baca juga: Seametrics SES-Single Jet Low Flow Meter


  • Low flow monitoring
  • Chemical batching
  • Proportional chemical injection
  • Fertilizer injection


Connection Ports3/8”, 1/2”, 3/4”, 1” —Female NPT thread3/8”, 1/2”, 3/4”, 1” —Female NPT thread
Sensor Cable18 ft (6 m) standard—maximum cable run 2000 ft (607 m)18 ft (6 m) standard—maximum cable run 2000 ft (607 m)
MaterialsBodyPolypropyleneTFE Teflon®
 RotorPVDF (Kynar®)—2 magnet(6 magnets high resolution optionalPVDF (Kynar®)—2 magnet(6 magnets high resolution optional
 ShaftNickel tungsten carbide(ceramic or silicon carbide optional)Zirconia ceramic(silicon carbide optional
 O-RingEDPM (Viton® or Teflon®-coated Viton® optional)Teflon®-coated Viton®(Viton® or EDPM optional)
 BearingsRuby ring and ballRuby ring and ball
 CoverAcrylic with clear lens ( polypropylene without clear lens optionalTFE Teflon®
Maximum Temperature160 ̊ F (70 ̊ C)180 ̊ F (82 ̊ C)
Maximum Pressure150 psi (10 bar)150 psi (10 bar)
Accuracy±1% of a full scale±1% of a full scale
PowerStandard6–36 Vdc, 2 mA min.6–36 Vdc, 2 mA min.
 Micropower3.1–16 Vdc (for use with FT450 and DL76 only)3.1–16 Vdc (for use with FT450 and DL76 only)
OutputsCurrent sinking pulse, 6–24 VdcCurrent sinking pulse, 6–24 Vdc


Seametrics Single Jet Low Flow Meter SPT & SPX Series
Seametrics Single Jet Low Flow Meter SPT & SPX Series

Download Datasheet: Seametrics SPT & SPX

  Another Article:The Technology of Ultrasonic FlowmeterWorking Principle of Flow MeterHow to Choose a Flow MeterModels and Types of Flow MeterSound Velocity of MaterialPrinciple Working of Coriolis Mass Flow Meter

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