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Paul Nong-Laolam edited this page Jun 12, 2026 · 34 revisions

This Wiki page contains documentation, supporting resources, and end-user manuals for the ESPEC Web Controller software used with ESPEC chambers featuring GL, P300, SCP220, ES102 and Watlow F4/T controllers. It also includes a setup guide for non-ESPEC chambers equipped with Watlow F4T.

ESPEC Web Controller: Unified Web Controller

The ESPEC Unified Web Controller (EUWC) is ESPEC's next-generation Web Controller platform, providing a unified interface for ESPEC GL, P300, SCP220, ES102, Qualmark T-Series, and Watlow F4/T controllers. However, the EUWC with GL is a separate Web Controller software regarded as the superset of the classic ESPEC Web Controller. Refer to this link: GL Controller Home

Select a link below or on the right to view the corresponding manual.

  • [EWC v3.3 Manual for F4T] (Under construction...)

ESPEC Web Controller: Version 3.3

The following list contains ESPEC Web Controller (EWC) operation manuals for ESPEC P300, SCP220, ES102, Qualmark T-series and Watlow F4/T controllers. Select a link below or on the right to view the corresponding manual.

ESPEC Web Controller: Version 3.2

The following list contains ESPEC Web Controller, Version 3.2 operation manuals for ESPEC P300, SCP220, ES102, Qualmark T-series and Watlow F4/T controllers. Select a link below or on the right to view the corresponding manual.

Release Notes: Web Controller Software

The following is a list of release notes of ESPEC Web Controller from Version 1.0 to Version 3.2.5. Click the following link (or on the right) to view the release notes.

Remote Communication via EWC v3

Your chamber can be controlled remotely via serial interface using Termite (a simple RS232 terminal) or TCP/IP using PuTTY SSH or Telnet communication protocol. Select a link below to view the corresponding setup manual.

ChamberConnectLibrary

This library is intended to be used to connect to and control ESPEC North America environmental chambers and controllers that include: ESPEC GL, P300, SCP220, ES102; Watlow F4, F4T. Please refer to the README file on the ChamberConnectLibrary page (at ChamberConnectLibrary) for further details. The following links provide direct access to the support page at ESPEC for the specified controller. The one without the link has been discontinued but Python library support is still available.

GL ESPEC SCP220
Watlow F4T Watlow F4
Espec P300 ESPEC ES102

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