Fuji Ultrasonic Flowmeter Portflow S

Easy Installation, Space Savings

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  • Easy Clamp-on type by simply tightening 4 screws. No need for pipe modification.
  • Integrated detector and flow transmitter for space savings.
  • Built-in temperature sensor enables simultaneous measurement of flow rate and temperature (Optional).


Main unit type
Type Pipe diameter
FSZ08 8A, 10A
FSZ15 15A, 20A
FSZ25 25A, 32A
Configuration Integrated flow transmitter and detector
Mounting method Clamp-on type
Measurement method Transit-time measuring method
Fluid to measure Homogenous fluids where ultrasonic signals can be transmitted
Measurement range 0 to ±5 m/s (Min. 0 to ±0.2 m/s)
Accuracy Velocity 1 m/s to 5 m/s: ±2% of rate
Velocity less than 1 m/s: ±0.02 m/s
Required straight pipe length Upstream 10D or more; Downstream 5D or more (D: Pipe inner diameter)
Pipe materials Metals (stainless steel, steel, copper) Plastics (PVC, PP, PVDF)
Piping thickness 1.2 mm to 4.9 mm
Fluid temperature -15 to +85°C (Can vary depending on ambient temperature)
Response time 0.5 seconds
Output signal 4 to 20 mA DC: 1 point Contact: 2 points
Display LED 4-digit 2-row display
Degree of protection IP65/IP67
Ambient temperature -15 to +60°C
Ambient humidity 95%RH or less
Power supply and power consumption 20 to 27.5 V DC, 2.5 W or less
Mass FSZ08: 400 g
FSZ15: 500 g
FSZ25: 600 g
Temperature measurement (Optional) Pipe surface temperature measurement