H241 Helical Flow Meter

High-throughput, high viscosity meter, Model H241

Flow range: 100 cc/min to 189 liters/min (0 to 50 gpm)
Accuracy (at 30cp): ± 0.2% of reading over 50:1 range
Maximum Operating Pressure: 35 or 240 bar (500 or 3500 psi)
Displacement: 0.062 liters/rev (3.78 in3/rev)
Weight: 13.6 kg (30.0 lbs)
Recommend Filtration: 150 micron (100 mesh)
Port Size: 1.5" NPT or 1.5" (DN40) 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 #)

Signal Type

Frequency
Output: 5V pulse, single phase (current sinking, also available)
Resolution: 15,000 pulses/liter
Temperature Rating:
Standard: 90°C ; Two Piece Ultra High Temp: 225 °C

Quadrature
Output: 5V pulse, two phase
Resolution: 7500 pulses/liter/phase
Linearization: Linearized
Temperature Rating:
Standard: 90°C ; Two Piece Ultra High Temp: 225 °C

Voltage
Output: 
0-10Vdc 
Resolution: Uni or bidirectional
Linearization: Linearized
Temperature Rating:
Standard: 90°C ; Two Piece Ultra High Temp: 225 °C


Current
Output: 0-20mA
Resolution: Uni or bidirectional
Linearization: Linearized
Temperature Rating:
Standard: 90°C ; Two Piece Ultra High Temp: 225 °C

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

Maximum temperature rating for ATEX certified transmitters is 130°C

Dimensional Drawing

H241 Illustration

Pressure Drop Curve

H241 Pressure drop chart

Library

AttachmentSize
PDF icon H241 Spec Sheet661.06 KB
PDF icon Helical Flow Meter Manual1.84 MB
PDF icon Example Calibration 241228.18 KB

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