GRAPHTEC GL840 - Warming-Up before Use; Configuration When in Use

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CHAPTER 1 General Description
(7) Pollution degree
• POLLUTION DEGREE 2 in accordance with IEC60664
•If condensation occurs...
Condensation occurs in the form of water droplets on the device surfaces and interior when the GL840
is moved from a cold to a warm location. Using the GL840 with condensation will cause malfunctioning.
Wait until the condensation has disappeared before turning on the power.
Warming-up Before Use
The GL840 should be allowed to warm up with the power turned on for approximately 30 minutes to ensure
that it operates according to the specied performance.
Conguration When in Use
Do not use the GL840 standing upright or at an angle. It must always be laid at or inclined on the stands.
<Usage Conguration>
Do not block the air vent on the GL840, as this will cause malfunctioning.
Measurement accuracy may not be satisfactory if the system is used in a condition other than described
above.