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  5. Other measurement, recording and measuring instruments
  6. Easy-to-hold slim design "Portable Multi Water Quality Meter"

Easy-to-hold slim design "Portable Multi Water Quality Meter"

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Portable Multi-Water Quality Meter [pH, ORP, Electrical Conductivity, Optical Dissolved Oxygen] MM-42DP/41DP [Mylana]

last updated:Apr 06, 2026

東亜ディーケーケー 本社、営業所(札幌・仙台・千葉・名古屋・大阪・広島・四国・北九州)、事業所(狭山、東大和)
東亜ディーケーケー 本社、営業所(札幌・仙台・千葉・名古屋・大阪・広島・四国・北九州)、事業所(狭山、東大和)
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This is a portable water quality meter compatible with field measurements of pH, ORP, electrical conductivity, and dissolved oxygen!

This is a multi-type portable water quality meter that allows for the measurement of "pH," "ORP," "electrical conductivity," and "dissolved oxygen" through probe replacement. Available in a 2-channel type MM-42DP and a 1-channel type MM-41DP! The measurement of dissolved oxygen adopts an "optical method"! With a waterproof structure and backlight, it can be safely used in the field. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look. Additionally, you can download materials that clearly explain the measurement methods for pH, electrical conductivity, and dissolved oxygen.

    Other measurement, recording and measuring instruments
MM-42DP.png

Easy-to-hold slim design "Portable Multi Water Quality Meter"

MM-42DP.png
MM-42DP.png
  • Related Link - http://www.toadkk.co.jp/product_ex/p40/index.html

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basic information

【Main Features】 ● Adoption of digital probes allows for automatic identification of probe information for pH, ORP, electrical conductivity, and dissolved oxygen. ● pH and ORP probes can have their electrode parts replaced individually. ● Optical method used for measuring dissolved oxygen. ● Waterproof structure (IP67: can be submerged in 1m of water for 30 minutes). ● Equipped with a memory function for 1500 data points. ● Comes with a pack light. ● Standard USB equipped (compatible with PC connection). ◎ The catalog provides detailed specifications and more information. If you are interested, please download and view the catalog.

Price information

Prices vary depending on the combination. 2-channel type with pH/electrical conductivity probe: ¥130,000 and up (excluding tax) 2-channel type with pH/optical dissolved oxygen probe: ¥215,000 and up (excluding tax) 1-channel type with pH probe: ¥90,000 and up (excluding tax) 1-channel type with ORP probe: ¥92,000 and up (excluding tax) 1-channel type with electrical conductivity probe: ¥98,000 and up (excluding tax) 1-channel type with optical dissolved oxygen probe: ¥170,000 and up (excluding tax)

Delivery Time

Please contact us for details

Applications/Examples of results

● For water supply and wastewater management of various plants ● For all measurements in the field, such as water quality testing of rivers and lakes ● Usable in laboratories as well (Electrode holder/stand available as an option)

catalog(4)

Download All Catalogs
Portable Water Quality Meter "Mylana P40 Series" Catalog

Portable Water Quality Meter "Mylana P40 Series" Catalog

PRODUCT
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[Information] About pH

[Information] About pH

OTHER
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[Information] A Discussion on Electrical Conductivity

[Information] A Discussion on Electrical Conductivity

OTHER
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[Information] A discussion on Dissolved Oxygen (DO)

[Information] A discussion on Dissolved Oxygen (DO)

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News about this product(2)

Opening of the Toa D.K.K. official YouTube channel!

  • Company news

We have launched the official YouTube channel of Toa DKK! We are currently featuring product introduction videos and helpful videos about measurement operations. We plan to add various content in the future. Please take a look and consider subscribing to our channel!

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【Video Now Available!】Helpful Video on Electrical Conductivity Measurement

  • Product news

At Toa DKK, we publish various helpful videos about our products on our YouTube channel and website. Recommended for those using an electrical conductivity meter! What should you do if the measured values "2.020," "20.20," or "202.0" are blinking? We have released a helpful video explaining the countermeasures. For those using the portable models MM-41DP and MM-42DP: https://youtu.be/0bFgp-hTCpg For the tabletop models: If you are using CM-41X → https://youtu.be/q0T7VqwCcno If you are using CM-42X or MM-43X → https://youtu.be/PbgI8g9tDLk 【Keywords】 Electrical conductivity measurement, EC measurement, measurement range, portable, tabletop

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Companynews list (8)

Company information

東亜ディーケーケー

東亜ディーケーケー 本社、営業所(札幌・仙台・千葉・名古屋・大阪・広島・四国・北九州)、事業所(狭山、東大和)

Testing, Analysis and Measurement

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Phone number/address

Toa DKK was established in 2000 through the merger of Toa Electric Wave Industry Co., Ltd. (TOA) and DKK-TOA Co., Ltd. (DKK). Our products are active in the fields of environment (water, air, gas) and medical applications. Utilizing our unique core technology, the "electrochemical sensor," we provide products and services that meet our customers' needs. We will continue to strive to be a company that contributes to the preservation of the global environment and the realization of a healthy lifestyle.

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