8-1
METERS
8-1
-1
VOLTMETERS
AC and
DC
voltmeters are necessary. The approximate
AC
voltage ranges of the voltmeters to be used for various types
of generators are as follows:
0
to 150
V:
Type with an output voltage of
110
or 120
V
0
to 300
V:
Type with an output voltage of 220, 230, or
240
V
0
to
150
V,
0
to
300
V:
Dual voltage type
The DC voltmeter range
is
approximately from
0
to
200
V.
Fig.
8-
1
FOR
AC
FOR
DC
~~
.
~~
..
8-1
-2
AMMETERS
""
.
AC and DC ammeters are necessary.
An
AC ammeter with a
'
range that cap be changed according
to
the current rating of
a given generator is most desirable. (About
10
A, 20 A,
100
A)
The DC ammeter range
is
approximately from
0
to
15
A.
:
FOR
AC
FOR
DC
"~
"
~.
~
~.~
.
~~
~..~~
-~
~ ~ ~ ~
."
."
Fig.
8-2
8-1-3 FREQUENCY
METER
.
.
~.
~
~
.~~
Frequency range: About 45 to
65
Hz
NOTE:
Be careful of the frequency meter's input voltage
range.
~~
~~.
-~
~
~
"
~~~~~~
Fig.
8-3
~ ~~
.
~~
-
29
-
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