Subaru Robin RGX3600 - Manual (Page 19)

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4. MEASURING AND CHECKING PROCEDURES
4-1 MEASURING INSTRUMENTS
(1) VOLTMETER
AC voltmeter is 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 330 V : Dual voltage type For AC For DC
(2) AMMETER
AC ammeter is necessary.
An AC ammeter with a range that can be changed
according to the current rating of a given generator
is most desirable. (About 10 A, 20 A, 100 A)
For AC For DC
(3) FREQUENCY METER
Frequency range : To cover 45 to 65Hz
NOTE : Be careful of the frequency meter's input voltage
range.