PE 202 Seametrics Low-Flow Magmeter

PE202 Seametrics

The PE 202 Seametrics Low-Flow Magmeter is designed for low-flow chemical injection or difficult-to-meter applications with pulsating metering pumps in 3/4” to 1/4” pipe/tube. The housing is made of sturdy splashproof HDPE plastic.
With no moving parts, the PE202 can handle fluids containing particulate matter without clogging or jamming, keeping maintenance at a minimum. With no metallic parts (100% PVDF body and PVDF carbon fiber-filled electrodes), the meter is corrosion-resistant and compatible with a wide range of chemicals. Accuracy is maintained with conductive fluids (>20 microSiemens) of varying viscosities and densities.
The PE meter is compact enough to fit most pump/injection systems. With zero straight pipe required after an elbow, it can be easily mounted in tight spaces. The mounting bracket adds stability.
The PE meter has an optoisolated current sinking pulse output that can be connected to the Seametrics FT430/440 rate/total display or FT520 batch processor, as well as an optoisolated 4-20 mA current loop for powering analog devices. Outputs and power are provided through a 20 foot (6 meter) cable with 8-pin female circular connector.
  • No moving parts
  • Requires no straight pipe
  • Pulse and/or 4-20 mA output
  • Chemical and corrosion resistant
  • Insensitive to fluid density and fluid viscosity changes


  • Chemical injection
  • Corrosive materials
  • Low flow applications
  • Pulsating flows (e.g., metering pump)


Pipe Size 3/4”, 1/2”, 3/8”, 1/4”
Fittings 1/2” NPT fittings standard in 3/4” or 3/8” flowbody. NPT threaded adapters available for above pipe sizes.
Materials Body PVDF
Electrodes PVDF carbon fiber filled
Ground PVDF carbon fiber filled
Housing HDPE with 25% glass
Adapters (NPT) Polypropylene or PVDF
Temperature Ambient 0 ̊ to 130 ̊ F (-18 ̊ to 54 ̊ C)
Fluid 32 ̊ to 200 ̊ F (0 ̊ to 93 ̊ C)
Pressure 150 psi
Flow Range -075 20 GPM max. (0.2 GPM cutoff)
-038 3 GPM max. (0.03 GPM cutoff)
Accuracy -075 ±1% plus ±0.005 GPM of reading across rated range
-038 ±1% plus ±0.002 GPM of reading across rated range
Output Signal
Optoisolated current sinking or current sourcing pulse output: 30 Vdc, 5 mA max
Optoisolated 4-20 mA current loop: 7 Vdc plus load voltage drop min; 50 Vdc max
-075 500 pulses/liter (1892 pulses/gallon)
-038 1000 pulses/liter (3785 pulses/gallon)
Power 10–15 Vdc, 150 mA (linear power supply recommended)
Conductivity >20 microSiemens
Empty Pipe Detection Hardware/software, conductivity-based
Environmental NEMA 4X standard; IP66 splashproof standard

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