Earth Resistance (1653B And 1654B Only) - Fluke 1652C Calibration Manual

1652C/1653B/1654B
Calibration Manual

Earth Resistance (1653B and 1654B Only)

To verify the UUT accuracy for measuring earth resistance, complete the following tests:
1. Turn the UUT to the R
2. Connect the UUT to the 5320A LO Ω Output terminals as shown in Figure 10.
3. On the 5320A, press the
4. Press the 5320A MODE softkey and then select "Resistance 4-Wire" using the cursor
5. Using the 5320A numeric keypad, enter the resistance values in Table 9.
6. Put the 5320A in
7. Press the UUT
Step
Function
1 R
E
2
UUT
32
E
keys and Select softkey.
.
and compare the reading to the display limits in Table 9.
Table 9. Earth Resistance Test
5320A
UUT
Res. Value
Earth 2 Ω
1800 Ω
N
(L3/Blue)
PE
(L2/Green)
L
(L1/Red)
Figure 10. Earth Resistance Tests
Earth function.
function.
Spec.
2 % + 5
3.5 % + 10
Display Reading
Lo Limit Hi Limit
1.5 2.5
1737 1863
Fluke 5320A
5320A MULTIFUNCTION ELECTRICAL TESTER CALIBR
OUTPUT
V , HI , mA LO LO - SENSE
HI
50V PK
1500V PK MAX
MAX
LO
20V PK
20V PK
Z , Z GND , RCD
L
L
PE N
L1 H L2 E L3 S
280V 280V
RMS RMS
MAX MAX
20V PK
METER
INPUT
A COM V
CAT I
30A 1000V
RMS CAT II
20V PK
600V
MAX
RMS MAX
HI
LO
METER
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