Instrument homepage - PR-33 - PR-33-S

PR-33-S User Guide

Document code
Document type
User guide

Every PR-33 refractometer has a built-in web server with the instrument homepage. The homepage offers facilities to configure, monitor, diagnose and verify the instrument.

Once there is a functional Ethernet connection between the instrument and the computer, the homepage can be opened by typing the instrument’s IP address to the address bar of a web browser. The recommendation is to use Firefox 2.0 or newer, but most functionality is available with any modern web browser.

Opening the instrument homepage

  1. Establish a working Ethernet connection (see above) to the refractometer.
  2. Start your preferred web browser (for example Mozilla Firefox, Internet Explorer, Safari, Chrome or Opera).
  3. The address (URL) of the instrument homepage is the refractometer’s IP address, for a factory set refractometer it is Give the address to the browser just like you’d enter any other address (for example,
  4. Wait until the homepage loads. This may take a few seconds.

    The page loads as shown in Figure 1; the exact look of the page depends on your browser and screen settings, so slight variation can be expected.

  5. Use the links in the link bar on the left side of the page to find more extensive information on the instrument.
In order for the web pages to function as designed, JavaScript support must be enabled in the browser.