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Performance characteristics

 

Measuring range, flow :10 … 400 cm/s
Measuring range, temperature :-25 … 150 °C
Max. measuring error :
  • ± 2 % FSR , flow measurement
  • ± 8 cm/s , flow measurement
  • ± 1 °C , temperature measurement @ flow > 0 cm/s
Step response time :25 °C , adjustable
Repeatability :< 5 s
Down time at temperature step :< 10 s

Process conditions

Process temperature :
  • -25 … 125 °C , flow measurement
  • -25 … 150 °C , temperature measurement @ flow > 0 cm/s

Process connection

Wetted parts material :AISI 316L (1.4404)
Surface roughness wetted parts :Ra ≤ 0.8 µm

Ambient conditions

Degree of protection (EN 60529) :
  • IP 67
  • IP 68 , 30 min. @ 1 mH2O
  • IP 69K , with appropriate cable
Shock (EN 60068-2-27) :30 g / 11 ms, 6 impulses per axis and direction
Vibration (sinusoidal) (EN 60068-2-6) :5 g (10 ... 2000 Hz)

Output signal

Current output :4 … 20 mA
Voltage output :0 … 10 V
Output type :
  • Digital (push-pull)
  • NPN
  • PNP
Switching logic :
  • Active high
  • Active low
  • Normally closed (NC)
  • Normally open (NO)
Interface :IO-Link 1.1

Compliance and approvals

Hygiene :
  • FDA compliant
  • EHEDG EL Class I
Download Broucher : PF20H

FlexFlow PF20H

  • Hygienic flow sensor

    • SIP- capable without restrictions up to 150 °C / 24h
    • Broad portfolio of process connections
    • Flow and temperature measurement in a single sensor
    • Compact and robust
    • Available with IO-Link interface
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