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Cost-Efficient and Advanced HART and FF Communicators
Emerson Trex, 475 and 375 Replacement Communicators

Our HART and FF communicators are often used as Emerson 475 or Emerson 375 replacement communicators. Our products are also alternatives to the Emerson Trex device.

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Emerson Replacement
Communicate and Configure FF Transmitters Using Your Mobile Device

With DevComFF FF Communicator Apps and a mobiLink FF modem, you can use your PC, tablet, or smartphone as a full-featured FF communicator at a fraction of the cost of a handheld communicator. Our FF communicators are supported by Windows and Android to provide you with maximum flexibility. Convenient Bundles and Kits for easy ordering. For example, the COM-DROID-FF-MOBI is a bundle including the DevComFF.Droid FF Communicator App and the FF-MOBI FF modem. Install the App on your Android device and start communicating with your FF instruments. Safe for Hazardous areas!

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FF Communicator
Convert your PC or Mobile Device into a full-featured HART Communicator!

With DevCom HART Communicator software and a HART modem, you can use your PC, tablet, or smartphone as a full-featured HART communicator at a fraction of the cost of a handheld communicator. Our HART communicators are supported by Windows, iOS (Apple), and Android to provide you with maximum flexibility. Convenient Bundles and Kits for easy ordering. For example, the COM-DROID-BLE is a bundle including the DevComDroid HART Communicator App and the HM-BLE Bluetooth Low Energy HART Modem. Install the App on your Android device and start communicating with your HART instruments.

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HART Communicator
Why ProComSol Header
Why ProComSol?
  • Future proof technology
  • Easy to maintain
  • Easy to use
  • Continuous product and feature improvement
  • Modern mobile tools
  • Instrument manufacturer independent
Not sure which product is right for you?

Our product selector helps you find the perfect product for your application.

Icon for Since 2005
A Leading Provider of HART and FF Products

ProComSol, Ltd is a leader in the design and manufacture of advanced, cost-effective, and reliable HART and Foundation Fieldbus (FF) Communicators for the process control marketplace. We are dedicated to providing the best HART and FF products on the market, helping our customers to connect, configure, and document their plant instrumentation.

We are the only source for DD-based mobile Apps for HART and FF Communicators. Our HART and FF Communicator Apps for Android, Windows, and iOS are convenient, easy to use, and cost effective.

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Quick Bytes & Alerts
01-29-2024 McLean Technology Group Added to Distributor List for Tennessee

McLean Technology Group has joined the distribution team for ProComSol. They cover the state of Tennessee. Welcome!

> McLean Technology Group
11-28-2023 Website Makeover

The new ProComSol, Ltd website went live today. After many months of development work and reviewing user suggestions, the website was updated, modernized, and expanded. A helpful new feature is the Product Finder. We now have many products in different categories of Protocol, Operating System and Interface that is became hard for users to determine what products matched their needs. We fixed that! Simply select what you need under the different categories and the matching products will display below.

> Product Finder
11-02-2023 Danielle Balsley New Team Member

Today Danielle started her first day in Sales Operations. Join me in welcoming her to the team and wishing her success!

10-24-2023 DD-Library-2023-2-Released

The Device Descriptor (DD) Library is continuously improved by device manufacturers. The latest release is now available to DD Library Subscribers. Remember, you get 1 year of updates for free for each DevCom license purchase. After that, it is only $100 for another year, or $500 for a lifetime subscription.

> Current DD Library List - HART
> Current DD Library List - Foundation Fieldbus
> Update Subscription, One year
> Update Subscription, No Expiration
08-15-2023 VIATOR-BT from Pepperl+Fuchs No Longer Available

The VIATOR-BT modem was used in our COM-TABLET-AN-C1D1, COM-TABLET-AN-C1D2, and COM-TABLET-C1D2 kits. These kits have been removed from our product portfolio. We now use the MOBI-HART instead of the VIATOR-BT modem for hazardous area applications. Please contact us for a quote. The new kits are in stock!

> Android Class 1 Div 1 Tablet HART Communicator Kit, mobiLink
> Android Class 1 Div 2 Tablet HART Communicator Kit, mobiLink
> Windows Class 1 Div 2 Tablet HART Communicator Kit, mobiLink
04-19-2023 Pechra Solution Co, Ltd - Distribution in Thailand

Please welcome Pechra Solution to the ProComSol distribution team for Thailand.

> Pechra Solutions
04-13-2023 DD Library 2022-4 Released

The Device Descriptor (DD) Library is continuously improved by device manufacturers. The latest release is now available to DD Library Subscribers. Remember, you get 1 year of updates for free for each DevCom license purchase. After that, it is only $100 for another year, or $500 for a lifetime subscription.

> Current DD Library List - HART
> Current DD Library List - Foundation Fieldbus
> Update Subscription, One year
> Update Subscription, No Expiration
01-29-2023 DD Library 2022-2 Released

The Device Descriptor (DD) Library is continuously improved by device manufacturers. The latest release is now available to DD Library Subscribers. Remember, you get 1 year of updates for free for each DevCom license purchase. After that, it is only $100 for another year, or $500 for a lifetime subscription.

> Current DD Library List - HART
> Current DD Library List - Foundation Fieldbus
> Update Subscription, One year
> Update Subscription, No Expiration
01-01-2023 Price Increase for Modems

Price increase for HART modems goes into effect today.

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