User’s Manual Smart Digital Power Meter
Instruments.uni-trend.com
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otherwise, it may cause unpredictable and serious consequences.
9. Avoid exposed circuits, do not touch exposed connectors and components after the power is turned on.
10. Use the appropriate fuse, only with the fuse type and rating indicator specified for this product.
11.Do not use the instrument that work abnormally; if you suspect that the product has malfunctioned, let
qualified maintenance personnel to check the instrument.
12. Unplug the power cord from the power outlet if the instrument is not to be used for a long time. Please do
not pull the power cord to unplug it; if the instrument need to move, please make sure the power line and
other connecting line is pulled out and use the carrying handle on the side of the instrument, be gentle with
it to prevent collision.
Environmental Condition
digital power meter can only use indoors and non-condensing area, the general environmental
requirements shown as below table.
Environmental Condition
Operating Environment
5
℃
～
40
℃
，
20%
～
80%RH
（
non-condensing
）
Accuracy guaranteed
temperature and humidity
temperature
23
℃
±5
℃
，
30%
～
75% R.H.
Storage temperature
-10
℃
～
50
℃
, non-condensing below 80% R.H.
Operating altitude
≤2000 meters
Explanation
：
In order to ensure the measurement accuracy, it is recommended to start the operation after
half an hour to warm-up the machine.
