Intellectual property label
The intellectual property label cites United States patents and other
applicable legal protection.
ETL label
Laser safety labels
based barcode scanners. The Echo liquid handler is considered a Class 1
laser light hazard under normal operating conditions (with instrument
covers on).
Electrical hazard
General warning label
xiv Echo Liquid Handler User Manual
The ETL label indicates conformance
to ETL SEMKO product safety
standards for the US and Canada.
One of two laser safety labels (this one is visible on
the instrument back cover).This warning indicates
that the Echo liquid handler optionally uses laser-
The electrical hazard label warns of possible injury from
electrical cables, connections, and circuits inside the Echo
liquid handler.
The general warning label reminds users to take normal
safety precautions when operating and working around
an Echo liquid handler.