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Product Detail

Ultrasonic Liquid Flow Meter PF/U/TTFM/PTFM/DFM/DFS Series

Features

It measures both clear water and cloudy liquids accurately!

  • It can make measurement quickly and accurately from the outside of a pipe.
  • It can be attached directly to the existing pipe regardless of materials (metal pipe, resin pipe, lining pipe, etc.).
  • The settings can be made easily according to instructions.
  • The instantaneous flow rate, flow velocity, and integral flow rate can be confirmed on the display.
  • Liquid

Operating Principles

【Transit Time Type】
Ultrasonic waves are transmitted into a liquid alternately from the 2 sensors attached to the outside of the pipe, and difference between the propagation time of the ultrasonic wave in the upstream direction and the propagation time in the downstream direction is detected to obtain the flow velocity. Then, the flow rate is calculated by multiplying the cross section area of the pipe diameter.

【Doppler Type】
The sensor transmits ultrasonic into the liquid through the pipe wall. Ultrasonic reflects the granules or air bubbles in the liquid. When the liquid flows, echos come back to the sensor with a different frequency besed on the flow velocity. We can calculate the flow velocity based on the frequency change.

Standard Specification
Model PF330A/330B/330D PF220A/220B
Power Source 110~240VAC ±10% 110~240VAC ±10%
Battery Battery Life-20 hours from fully charged, depending on load. Battery Life-20 hours from fully charged, depending on load.
Allowable Temperature Controller:-20℃~+50℃
Sensor:PF330A/B -20℃~+135℃
PF330D -20℃~+80℃
Controller:-20℃~+50℃
Sensor:-20℃~+135℃
Pipes PF330A:13 OD ~ 115mm OD
PF330B:50 OD ~ 2000mm OD
PF330D:1500 OD ~ 5000mm OD
PF220A:13 OD ~ 115mm OD
PF220B:50 OD ~ 1000mm OD
Velocity 0.1m/sec~20m/sec
bi-directional
0.1m/sec~20m/sec
bi-directional
Display
(Flow Velocity)
m/sec、f/sec m/sec、f/sec
Display
(Volumetric Flow)
m³、Gullons、US Gullons、
ℓ、Barrel
m³、Gullons、US Gullons、
ℓ、Barrel
Output DC0~20mA/4~20mA 0.1%FS
One Pulse/sec MAX USB/RS232C
DC0~20mA/4~20mA 0.1%FS
One Pulse/sec MAX
Accuracy 13mm~75mm±3%(0.2m/sec over)
75mm以上 ±0.5%~2%(0.2m/sec over)
13mm~75mm±3%(0.2m/sec over)
75mm以上 ±0.5%~2%(0.2m/sec over)
Model DFM5.1 DFS5.1
Power Source 100~240VAC 50/60Hz 30W
9~32VDC Max 9W(Option)
100~240VAC 50/60Hz 2.0W Max.
12~24VDC Max 3.0W(Option)
Allowable Temperature Controller:-23℃~+60℃
Sensor:-40℃~+150℃
Controller:-23℃~+60℃
Sensor:-40℃~+150℃
Pipe 12.5 ID ~ 4500mm ID
(15mm OD Min)
12.5 ID ~ 4500mm ID
(15mm OD Min)
Velocity 0.076m/sec~12.2m/sec
bi-directional
0.075m/sec~3m/sec
(ON/OFF Adjustment)
Output DC4~20mA(Resistance Load 1000Ω)
Output Contact SPDTx2 (AC240V 5A) DPDTx5
Accuracy ±2% FS
Repeatability ±0.1%
Linearity ±0.5%
±2% FS
Repeatability ±0.1%
Product LineupWhen it's clicked, you can see details.

In addition to the above, various specifications are available.
For more information, see respective catalogs or contact us by phone or mail.

  • PF330A/330BTransit Portable Type

  • PF220A/220BTransit Portable Type

  • U1000Transit Controller-integrated Type

  • U3000/U4000Transit Controller-stationary Type

  • DFM5.1Doppler Type Flow Meter

  • DFS5.1Doppler Type Flow Switch

PF330A/330B
Transit Portable Type

To start flow measurement, just install the sensor on current pipe.
Applicable pipe diameter φ13mm~φ5000mm(option).
The data can be output to your computer through USB/RS232C.
200,000-point data logger is equipped.

PF220A/220B
Transit Portable Type

To start flow measurement, just install the sensor on current pipe.
Simple flow meter without extra function.
Applicable pipe diameter φ13mm~φ1000mm.

U1000
Transit Controller-integrated Type

Sensor and controller integrated model.
To start flow measurement, just install the sensor on current pipe.
Applicable only to pure liquid (water or hot water).
Applicable pipe diameter φ25mm~φ115mm.
Measurable with metal or plastic pipe.

U3000/U4000
Transit Controller-stationary Type

Controller stationary model with large LCD indication.
To start flow measurement, just install the sensor on current pipe.
Applicable pipe diameter φ13mm~φ5000mm(option).
Contact output is included.
200,000-point data logger is equipped.(U4000 only)

DFM5.1
Doppler Type Flow Meter

Easy installation because it equips only one sensor.
Suitable for turbid liquid such as waste water, slurry, sludge etc.
Applicable pipe diameter φ12.5mm~φ4000mm
Portable model (PDFM5.1) is also available.

DFS5.1
Doppler Type Flow Switch

Contact output model.
Easy installation because it equips only one sensor.
Suitable for turbid liquid such as waste water, slurry, sludge etc.
Check the flow velocity change with LED bar graph on the controller.
Applicable pipe diameter φ12.5mm~φ4500mm.

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