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Small Vortex Flow Meter For Liquids kofloc

Kofloc Small Karman Vortex Flow Meter For Liquids FM0101/0102/0103/0105 SERIES

KOFLOC’s Karman Vortex Flow Meter FM Series provides an ideal tool for measuring and monitoring liquid flows, including cooling water and cleaning water. Since PPS resin is used for body material,all models of the series offer superior reliability and durability.


  • Simple design that minimizes a dead space

  • Measurements of very small flows available (up to 0.5 L/min)

  • Use of PPS resin has achieved a small,lightweight and rigid

  • The sensor can be used for pure water or deionyzed water or deionyzed water and chemicals (the sensor is acid-/alkali-resistant).

  • These models are in the process of aplication for CE Marking

Model Dimension (a) Dimension (L) Connection(X)

FM0101 17.8 80.6 R3/8

FM0102 17.5 80 R1/2

FM0103 17.5 80 R1/2

FM0105 32.5 110 25A

Flow Fluids range for measurement : Cooling, water, cleaning water, etc.

0.5-4 L/min Measuring : accuracy : Within ±3.0% F.S

2-16 L/min

4-40 L/min

10-150 L/min


Within ±0.5% F.S


S Type:4-20mA

P Type:Pulse (Open collector) (For w/o indicator only) D Type:With indicator Supply voltage 12-24VDC

Liquid : temperature range :0-70 celcius

Proof pressure 1MPa Amb

temperature range 0 – 50 celcius Amb.

humidity range: 5-90%RH

Applicable :

cleanliness/IP64 (Splashproof construction per JIS C 0920)

waterproofing standards

Material for : wetted part PPS, with 30% glass mixture, PPS w/o, glass mixture

Cable length W/o :

indicator: 2 meters long; terminated/pretinned (presoldered) With indicator: 3 meters long;

terminated/pretinned (presoldered)

Weight W/o : indicator: 85 g (Sensor unit), 165 g(Sensor unit) With indicator: 100 g (Sensor unit)

205 g (Sensor unit)


SpecificationsModelFM0101FM0102FM0103FM0105Dimension(a)17.817.517.532.5Dimension(L)80.68080110Connection(X)R3/8R1/2R1/225AFlowrange0.5-4 L/min2-16 L/min4-40 L/min10-150 L/minFluidsfor measurementCoolingwater, cleaning water, etc.MeasuringaccuracyWithin±3.0% F.SRepeatabilityWithin±0.5% F.SOutputsS Type:4-20mAP Type:Pulse (Open collector) (For w/o indicator only)D Type:With indicatorSupplyvoltage12-24VDCLiquidtemperature range0-70 celciusProofpressure1MPaAmb.temperature range0 – 50 celcius Amb.humidity range5-90%RHApplicablecleanliness/IP64(Splashproof construction per JIS C 0920)waterproofingstandardsMaterialfor wetted partPPSwith 30% glass mixturePPS w/oglass mixtureCablelengthW/oindicator: 2 meters long; terminated/pretinned (presoldered)Withindicator: 3 meters long; terminated/pretinned

(presoldered)WeightW/oindicator: 85 g (Sensor unit)165 g(Sensor unit)Withindicator: 100 g (Sensor unit)205 g(Sensor unit) Principle Measurement

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