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ESA602
Operators Manual
Mains-Insulation-Resistance Test
The Mains-Insulation-Resistance test measures the insulation resistance (at 500 V DC)
between L1 and L2 and the DUT'S Protective Earth. Figure 5-2 shows the electrical
connections between the ESA601 and the DUT. The table below the diagram indicates
the position of switches in the diagram during the test. Voltage is available only when
momentary
position. DUT power is off.
Action
1. Position the
2. Connect the DUT power cord to the test receptacle on the ESA601.
3. Depress and hold down the
4. After the meter settles, release the switch to hold and display a reading.
5. Press the
5-12
.
.
./
/
M
A
P
VDE
INSUL
+
500V
_
DC
MD
MEG
OHMS
EARTH
OPEN
S3
Figure 5-2. Mains-Insulation-Resistance Test Configuration
DIAGRAM
REFERENCE
S3
-
FUNCTION
in the
position.
NORMAL
PRINT SWITCH
(
/
/
ISO
VDE EQUIV
INSUL
DEVICE UNDER TEST
DUT_L1
DUT_L2
DUT_PE
PE
SWITCH
ESA601
NAME
EARTH
to
SELECTION KNOB
MAINS INSUL M
.
.
./
/
M
A
P
VDE EQUIV
INSUL SWITCH
to print the reading.
) switch is pressed in the normal
APPLIED
PART
CONDUCTIVE PART
ACTION
OPEN
Ω.
(
/
ISO
VDE EQUIV
FE
ayr06f.eps
/
)
INSUL
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