31
AVTM21-415Ja Rev. A June 2005
9
OPERATION NOTES
LINE SUPPLY
When operation requires a temporary service, the operator
should verify the voltage and overcurrent protection at the
service outlet for the Test Set prior to plugging in the Test Set.
METER RANGE SETTINGS DURING TRANSIT
The meters included in this set are of rugged construction; but
it is recommended that during transportation of the Test Set
the meter range switches be set as follows: the voltmeter to 15
kV and the megohmmeter to the X1 position.
MEGOHM READINGS
The megohmmeter is a current meter measuring the current
passing through the item under test, but calibrated in
megohms. The relation between current and megohms
(resistance R) is expressed by Ohm's law:
I
V
R
=
The meter calibration depends on both the current I, and the
test voltage V. Therefore, each megohm scale applies only
when the test voltage is set to the correct value. In the Catalog
No. 210415 two megohm scales are provided; one black for a
test voltage of 10 kV, and one red for a test voltage of 5 kV.
Summary of Contents for ATEC 210415 Series
Page 2: ...15 kV Megohmmeter Test Set Catalog No 210415 Series M...
Page 9: ...M 2 AVTM21 415Ja Rev A June 2005 Figure 1 15 kV Megohmmeter Test Set Catalog No 210415...
Page 13: ...M 6 AVTM21 415Ja Rev A June 2005 M...
Page 19: ...M 12 AVTM21 415Ja Rev A June 2005 M...
Page 23: ...M 16 AVTM21 415Ja Rev A June 2005 Figure 2 Schematic Diagram of the 15 kV Megohmmeter...
Page 30: ...SETTING UP 23 AVTM21 415Ja Rev A June 2005 Figure 4 Testing in a Substation...
Page 32: ...SETTING UP 25 AVTM21 415Ja Rev A June 2005 Figure 6 Testing Transformer Terminals...
Page 33: ...M 26 AVTM21 415Ja Rev A June 2005 Figure 7 DC Motor Test Setup Figure 8 Generator Test Setup...
Page 47: ...M 40 AVTM21 415Ja Rev A June 2005 M...
Page 53: ...M 46 AVTM21 415Ja Rev A June 2005 M...
Page 57: ...M 50 AVTM21 415Ja Rev A June 2005 M...
Page 73: ...M 66 AVTM21 415Ja Rev A June 2005 Figure 15A Interior View Figure 15B Interior View...
Page 75: ...M 68 AVTM21 415Ja Rev A June 2005 M...
Page 81: ...M 74 AVTM21 415Ja Rev A June 2005 M...
Page 82: ...M 2621 Van Buren Avenue Norristown PA 19403 1 800 723 2861 ext 8578 megger com...
