Anton Paar Inline Viscometer for Hazardous Areas: L-Vis 520 Ex ForumsSign in to Start a DiscussionStart a Discussion Page 1 of 1 Ask a QuestionStart a Post: Anton Paar - Inline Viscometer for Hazardous Areas: L-Vis 520 ExSubjectEnter a question about troubleshooting, PM, buying advice and moreā¦ Sign in to Submit your DiscussionSubmit your Discussion