7
Protection Type
IEC61010-1
、
IEC1010-2-31
、
IEC61557-1,5
、
IEC60529(IP54)
、
Pollution grade 2
、
CAT
Ⅲ
300V
V
．
Tester Structure
1.
MEM Button
2.
ALARM Button
3.
BACKLIGHT Button
4.
LCD
5.
TEST Button
6.
SET Button
7.
UP Button
8.
DOWN Button
9.
Rotary Switch for Selecting Function Button
VI
．
Measuring Principle
1. Voltage to ground measurement adopts average value rectification method.
2. The grounding resistance value is measured using the rated current change
method, that is, the rated current I (30mA Max, 128Hz) flowing between the
Summary of Contents for ES3010
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