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About DKK-TOA

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Our Products

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  3. Basic process analyzers
  4. Transmitter for industrial conductivity analyzer WDM-135A (2-wire)/ WDM-136A (4-wire)
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  • pH
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  • Electric conductivity (Resistivity, Concentration)
  • Dissolved oxygen
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  • Chromaticity
  • SS concentration
  • Ions
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  • Organic pollutants (COD)
  • Multi-parameter water quality meter
  • Automatic Titrator
  • Nitric acid/Nitrite
  • Dissolved hydrogen
  • Ozone

Search By Category

  • Laboratory analyzers
  • Portable analyzers
  • Basic process analyzers
  • Analyzers for water & waste water treatment
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  • >Discontinued Products

Basic process analyzers

Industrial electric conductivity meter transducer

WDM-135A (2-wire)/ WDM-136A (4-wire)

Measuring Item

  • Electric conductivity (Resistivity, Concentration)

Field of Use

  • Water supply
  • Sewerage
  • Compact and robust aluminum case, simple operation on-site electrical conductivity meter
  • Wide measurement range from ultrapure water to drainage
  • Transmission output range can be changed


Measurement range
Minimum 0 - 0.2 μS / cm
Maximum 0 - 20 mS / cm
  • Download Catalogue(PDF:5.18MB)

Search By Usage

  • Pure Water Measurement
  • Effluent Measurement
  • Total Amount Regulation

Search By Field of Use

  • Water supply
  • Sewerage
  • Semiconductor
  • Food industry
  • Aquaculture / Aquarium

Search By Measuring Item

  • pH
  • ORP
  • Electric conductivity (Resistivity, Concentration)
  • Dissolved oxygen
  • Residual chlorine
  • Turbidity
  • Chromaticity
  • SS concentration
  • Ions
  • Nitrogen/Phosphorus
  • Organic pollutants (COD)
  • Multi-parameter water quality meter
  • Automatic Titrator
  • Nitric acid/Nitrite
  • Dissolved hydrogen
  • Ozone

Search By Category

  • Laboratory analyzers
  • Portable analyzers
  • Basic process analyzers
  • Analyzers for water & waste water treatment
  • Analyzers for boiler water applications
  • Analyzers for oil refineries
  • Water quality analyzers/systems
  • Ambient air/emission gas analyzers
  • Medical equipment
  • Discontinued Products

Product Support

  • Download Catalogue
  • SDS Search
  • Useful information
  • Product Video Content
  • Guide Book
  • Announcement of Discontinuation
  • Announcement of Termination of Maintenance Support
  • Mercury use in our products

Our Products

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Product Support

  • Download Catalogue
  • SDS Search
  • Useful Information
  • Product Video Content
  • Guide Book
  • Announcement of Discontinuation
  • Announcement of Termination of Maintenance Support
  • Mercury use in our products

News Release

  • Announcement
  • Product Information
  • Investor Relations
  • Sustainability
  • Exhibitions
  • Others

About DKK-TOA

  • About DKK-TOA
  • Why Are We Different?
  • Our Specialization
  • Globalization
  • For Our Future

Company Profile

  • Message from the President
  • Company Information
  • Management Policy
  • Locations
  • Group Companies
  • Business Information
  • Research and Development

Sustainability

  • Basic policy of Sustainability
  • Customers
  • Business partners
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