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We’ll get back to you within 24 hours or the following business day.

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Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926
Telog: 888‑835‑6437 (Press #2)

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010
Telog: 888‑835‑6437 (Press #2)

Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926
Telog: 888‑835‑6437 (Press #2)

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010
Telog: 888‑835‑6437 (Press #2)

Series 735 Flow Sensor

The Badger Meter Series 735 flow sensors feature a four bladed, rugged, non-fouling impeller. This non-magnetic sensing technology reduces drag and allows for quick changes to flow and a wide measurement range. As fluid turns the impeller, a low impedance square wave signal is transmitted with a frequency proportional to flow rate.

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  • Size Range
    12...25 mm
    1/2...1 in.
  • Temperature Range
    Up to 43 °F
    Up to 110 °F
  • Flow Range
    0.6…6 m/sec
     2…20 ft/sec
  • Pressure Range
    Up to 10 bar
    Up to 150 PSI
  • Accuracy
    ±3 %
    ±3 %
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Inexpensive option to metal tee sensors.

Signal can travel up to 2000’ between the flow sensor and the display unit or controller input without the need for amplification.

  • Non-magnetic sensing technology
  • Accurate reading
  • Flow rate and totalizer
  • PVC and irrigation models


Product Specifications

Download CSI Specifications
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  • Pressure, Temperature Ratings
    150 psig @ 22.8 °C
    75 psig @ 43.3 °C
    150 psig @ 73 °F
    75 psig @ 110 °F
  • Recommended Design Flow Range
    2…20 FPS
    2…20 FPS
  • Accuracy
    ± 3.0% of full scale over recommended design flow range
    ± 3.0% of full scale over recommended design flow range
  • Repeatability
    ± 1.5% of full scale over recommended design flow range
    ± 1.5% of full scale over recommended design flow range
  • Linearity
    ± 1.5% of full scale over recommended design flow range
    ± 1.5% of full scale over recommended design flow range
  • Transducer Excitation
    Quiescent current 600 uA @ 8…35V DC max.
    Quiescent voltage (Vhigh)
    Supply Voltage — (600 uA*Supply impedance)
    ON State (Vlow) Max. 1.2V DC @ 40 mA current limit (15W + 0.7V DC)
    Quiescent current 600 uA @ 8…35V DC max.
    Quiescent voltage (Vhigh)
    Supply Voltage — (600 uA*Supply impedance)
    ON State (Vlow) Max. 1.2V DC @ 40 mA current limit (15W + 0.7V DC)
  • Output Frequency
    3.2…200 Hz
    3.2…200 Hz
  • Output Pulse Width
    5 msec ± 25%
    5 msec ± 25%
  • Electrical Cable for IR Sensor Electronics
    UL Style 116666 copper solid AWG 18 wire w/ direct burial insulation. Rated to 105° C.
    UL Style 116666 copper solid AWG 18 wire w/ direct burial insulation. Rated to 105° C.
View all Specifications

Market Applications

  • Wastewater Treatment

    Wastewater treatment facilities feature complex operational processes involving a wide range of flow measurement, water quality monitoring and toxic gas detection solutions, designed to conserve water, increase regulatory compliance and safeguard water quality, people and the environment. From individual monitors to multiparameter measurement, our versatile solutions deliver continuous and proactive monitoring for early event detection, odor control, pollution prevention, chemical management and toxic gas detection.

    View Solutions
  • Industrial Process

    The measurement and monitoring of flow, water quality and toxic and combustible gas plays a vital role in industrial processes for consistent delivery of quality control, personnel safety, environmental protection, process monitoring and optimization. Our comprehensive range of robust, real-time and reliable instrumentation provides dependable solutions that are easy to install, simple to maintain, create safe areas of work and deliver increased regulation compliance.

    View Solutions

Product Documentation

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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926
Telog: 888‑835‑6437 (Press #2)

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010
Telog: 888‑835‑6437 (Press #2)