What does ---- mean on the 2100Q display?

Document ID

Document ID TE6119

Published Date

Published Date 27/05/2017
Question
What does ---- mean on the 2100Q display?
Summary
2100Q displays  ----
Answer
The 2100Q Portable Turbidimeter(Catalog Number/Order code 2100Q01) shows ---- when the measurement is underrange.