Testing prism wash - PR-21-S

PR-21 Series User Guide
Product status
Document code
IM-EN-PR21S
Revision
C
ft:locale
en-US
Product
PR-21-S
Document type
User guide
  1. Check that the steam or water washing parts are connected.
  2. In the Main display, press MENU. Then press 3 (to give the command SENSOR STATUS). In this sensor status display by pressing the soft key WASH. If soft key WASH does not appear, no internal relay is configured for this purpose.
  3. Check the nD reading, for a successful wash it must drop below 1.34 during steam wash and drop to approximately 1.33 during water wash.
    CAUTION Before testing prism wash, check that there is liquid in the pipe in front of the refractometer sensor.