NSF/ANSI Certified Turbine Flow Meters
Turbine Flow Meter, 0.026 to 0.65 GPM, Trogamid, 1/4" NPT, 3 Pin Mini DIN
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- Compact size
- Measurement in any meter orientation
- Operating pressure up to 362.50 psi (25 bar)
- Temperature range of –4…212° F (–20…100° C)
- Accuracy of ± 3%
- Resolution up to 83,000 ppg (22,000 ppl), depending on the model
- NSF/ANSI Standards 61 and 372 Certified
- K-Factor: See Product Data Sheet VIS-DS-00020-EN-12
BV1000TRN025A Model Options
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Flow Range
Process Connection Size
Connector Type
Media Type
Accuracy
Output Signal
Max Process Temperature
Wetted Materials
Process Connection Type
Features
- Power Source 5 to 24 Vdc
- Burst Pressure 2900 psi (200 bar)
- Output (Hz) NPN sinking open collector
- Output Current Max. 20 mA (Pull-up resistor required. See wiring diagram in User Manual.)
- Repeatability < 0.50 % under the same operating conditions
- Viscosity Up to 16 cSt
The Vision Turbine Meters comply with the lead-free provisions of the Safe Drinking Water Act. Available models include meters that are:
MEASURING PRINCIPLE
The rotor is turned by the liquid force proportional to flow. A Hall effect sensor supplies pulses that can be used for digital or analog signal processing. The generated pulses are specified as a K-factor.
OPERATING PRINCIPLELiquid flow causes a bladed turbine inside the meter housing to turn at an angular velocity directly proportional to the velocity of the liquid measured. As the blades pass beneath a magnetic pickup coil, a frequency signal is generated. Each pulse is equivalent to a discrete volume of liquid. The frequency pulse is directly proportional to the turbine angular velocity and the flow rate. The large number of pulses provides high resolution. As the mass of the turbine is small, the response time is fast. It is not necessary to install a straight length of pipeline upstream of the meter. The simple mechanical construction of the Vision meter provides a long lifespan without any loss of accuracy. Pressure spikes less than the burst pressure rating do not affect the measurements.
Rated 5 out of
5
by
Michael Minicozzi from
Turbine Flow Meter, 0.26 to 6.6 GPM, Trogamid, 3/8
I have used multiple iterations of these flow meters are they are reliable and easy to configure for our needs.
Date published: 2022-08-05
Rated 5 out of
5
by
Anonymous from
1/4 inch flow meter
Flow meter works great much better than the previous model pull up resistance is easy to get right
Date published: 2022-03-11
I would like to use a Raspberry Pi to count the pulses, but the Raspberry Pi GPIO uses 3.3 V logic. The data sheet indicates an input voltage range of 5-24 V. What is the amplitude of the output pulses?
Thank you for your inquiry! The amplitude of the output will match that of the supply voltage used with the unit. If a 5V supply is used the square wave will reach and amplitude of 5V and then drop to 0V.
Date published: 2022-07-25
Do you sell a monitor and/or cataloguer compatible with this flow meter?
Thank you for your inquiry about the flow meter. The DPF75 meter will display both flow rate and total volume or the DPF78 meter will display only the flow rate.
Date published: 2022-06-17