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Warning
Thanks for your purchase of ETCR3000 Digital Earth
Resistance Tester of our company. For better use of the
product, please make sure:
---to read this user manual in details.
---to abide by the safety regulations and precautions
strictly.
u The tester is conforming to IEC61010 on design, production
and test.
u Under any circumstance, it shall pay special attention on
safety in use of this tester.
u Please don’t use high-frequency signal generators like mobile
phone and etc. to avoid error during measuring.
u Pay attention to words and symbols stick on the Tester.
u It shall make sure that tester and accessories are in good
condition before use; it can be used only when there is no
damaged, naked or broken part in testing wires or insulation
layer.
u During measurement, it is forbidden to touch bare conductors
and circuit under measurement.
u Before measurement, please confirm whether FUNCTION
rotary switch has been set within the proper measuring range.
u Confirm that connector plug of lead has been inserted in the
tester interface closely.
u Please don’t impose over 600V A.C. or D.C. voltage on the
part between testing end and interface. Otherwise, it may have
damage on the tester.
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