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Flow sensor 250

Metallic tee

Impeller Durchflusssensor 250
  • Sensor electronics easily removed from tee.
  • Impeller/bearing/shaft easily replaced in field without changing calibration.
  • Two wire sensor. Power and signal transmit on single pair of wires up to the distance of 600 m.
  • Digital signal easily interfaced with transmitters, monitors or PLCs.
  • Installation can also be done directly in the ground (IR model)
Medium:
Water
max. flow:
from 1.1 up to 340 l/min
Temperature:
from 0 up to 100 °C
max. pressure:
from 0 up to 27 bar
Branch:
Water & waste water industry, Chemical industry
Flow sensor 250
Flow sensor 250

General information

The series 250 flow sensor features a six bladed impeller design with aproprietary non-magnetic sensing mechanism. The unique impeller is less prone to be fouled by water borne debris. The forward curved shape coupled with the absence of magnetic drag provides improved operation and repeatability even at lower flow rates. This is especially true where the impeller is exposed to metallic or rust particles found in steel or iron pipes.

As the liquid flow turns the impeller, a low impedance square wave signal is transmitted with a frequency proportional to the flow rate. The signal can travel up to 600 m between the flow sensor and the receiving unit without the need for amplification. 

All sensors except irrigation versions are supplied with a 6 m 2-conductor 20 AWG shielded U.L. type PTLC 105°C cable and meet CE standards for noise immunity and susceptibility.


Technical data

Mounting in pipe sizes DN6 – 32 / 0,5 – 1,5“
Flow range in m/s (standard)0,1 – 4,5
Flow range in m/s (low flow)-
Accuracy (full scale / Qmax.)±1 % v. M.
Accuracy (of reading)-
Repeatability (full scale / Qmax.)±0,7 %


Measuring principle

Impeller meters


Impeller meters

The series feature a six-bladed impeller design with a proprietary, non-magnetic sensing mechanism. The impeller shape coupled with the absence of magnetic drag provides accuracy and repeatability throughout the flow range of the sensors. As the liquid flow turns the impeller, a low impedance square wave signal is transmitted with a frequency proportional to the flow rate.


Accessories


Transmitter 340 BTU

Transmitter 340 BTU
  • Can be combined with all flow sensors
Transmitter 310

Transmitter 310
  • 4 – 20 mA analogue output
  • Parametering via PC/Laptop
Flow Computer FC5000
Cox

Flow Computer FC5000
  • Scaled pulse output: 2 analog outputs or 2 frequency outputs available
  • 1 relay output
  • Communication via EIA-485 ModBus®...
Transmitter 330

Transmitter 330
  • Relay output
  • Parametering vial PC/Laptop
Monitor 3000

Monitor 3000
  • Wall mounted
  • Control panel mounted
Transmitter 340 N2

Transmitter 340 N2
  • BTU
  • Signal conversion to Johnson Controls Metasys® networks
Transmitter 340 LW

Transmitter 340 LW
  • BTU
  • Signal conversion to Lonworks® networks
Dual channel monitor 3100/Controller/Transmitter

Dual channel monitor 3100/Controller/Transmitter
  • Control panel mounted
  • Pump control based on flow and pressure
  • Pump control based on level and pressure
  • Water feature...
Transmitter 320

Transmitter 320
  • Scalable pulse transmitter
  • Parametering via PC/Laptop

Do you have questions on this product?

Your contact person:

Badger Meter Swiss AG
Mittelholzerstrasse 8
CH-3006 Bern