242 Helical Flow Meter

• Flow range: 1 liter/min to 500 liters/min (0.26 to 132 gpm)
• Accuracy (at 30cp): ± 0.2% of reading over 50:1 range
• Maximum Operating Pressure: 35 or 240 bar (500 or 3500 psi)

242 Helical Flow Meter

Features

• Flow range: 1 liter/min to 500 liters/min (0.26 to 132 gpm)
• Accuracy (at 30cp): ± 0.2% of reading over 50:1 range
• Maximum Operating Pressure: 35 or 240 bar (500 or 3500 psi)
• Displacement: 0.182 liters/rev (11.1 in³/rev)
• Weight: 18.1 kg (40.0 lbs)
• Recommend Filtration: 150 micron (100 mesh)
• Port Size: 2.5″ NPT or 2.5″ (DN65) flange
• Fluids: Most non aqueous, hydrocarbon based liquids

 

Materials of Construction

• Body: Stainless steel, type 303
• Rotors and shafts: Stainless steel, type 303
• Bearings: Stainless steel 440C
• Seals: Viton® “O” rings – standard; Teflon®, Perfluoroelastomer – optional

 

 

Transmitter Variations (dependent on model #)

Model

295 Frequency

• Output Signal: 5V pulse (current sinking and quadrature, also available)
• Output Resolution: 1000 pulses/rev
• Temperature Rating: 
• Standard: 90°C ; Two Piece Ultra High Temp: 225 °C

295 Analog

• Output Signal: ± 20mA or ± 10V
• Output Resolution: 16 bit
• Temperature Rating: 
• Standard: 90°C ; Two Piece Ultra High Temp: 225 °C

289 Frequency 

• Output Signal: 5V pulse
• Output Resolution: Variable
• Temperature Rating: 
• Standard: 240°C  (465 °F)

 Compliance: CE Certified, Ex-proof version available with ATEX/IECEx II 2 G Ex d IIB Tx Gb as well as UL, cUL certification for Class 1, Division 1, Groups C and D, Tx

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Dimensional Drawing

Pressure Drop Curve