![242 Helical Flow Meter 242 Helical Flow Meter](https://flowmeters.sg/wp-content/uploads/2016/11/242-helical-flow-meter-tn-8d2.jpg)
- 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
![](https://flowmeters.sg/wp-content/uploads/2016/05/maxmachinery-logo-403.jpg)
![242 Helical Flow Meter 242 Helical Flow Meter](https://flowmeters.sg/wp-content/uploads/2016/11/242_helical-01-da2.jpg)
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
Dimensional Drawing
![242 Helical Flow Meter 242 Helical Flow Meter](https://flowmeters.sg/wp-content/uploads/2016/11/242_helical-a-02b.jpg)
Pressure Drop Curve
![242 Helical Flow Meter 242 Helical Flow Meter](https://flowmeters.sg/wp-content/uploads/2016/11/242-helical-p-543.jpg)