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8
SCALE FORMS AND DIVISIONS
For Suppressed meter
2101A, 2181A
For Expanded scale
2102A, 2182A voltmeter
Ex.
70 to 130V=245
°
For Power Factor meter
2107A, 2187A
For Frequency meter
2108A, 2188A
Ex.
45 to 55Hz
For Synchroscope
2109A
Single division/Double
numerals
Ex. 0 to 5/0 to 10A (50 Div.)
All div.line and numerals
are black.
Size of numerals are
different high.
Apply same division only.
Double division/Double
numerals
Ex.0 to 300/0 to 450 m/min
(60 Div./45 Div.)
Outer -- Black line and
numerals
Inner -- Red line and
numerals
m
3
s
V
Hz
A
A
SYNCROSCOPE
SLOW
LEAD
LAG
FAST
COS
0
1
2
3
4
5
70
80
90
100
110
120
130
45
46
0
2
1
4
2
6
3
8
4
10
5
48
50
52
54
55
.5
.7
.7
.9
1.0
.9
.5
0
20
40
60
80
100
200
150
m / min
0
10
15
5
20
30
20
10
30
40
45
25
Extended scale Ammeters
2102A, 2182A
(Ex.)100A 2 times
Red line and numerals for
extended portion
(Ex. 2 Times 150 and 200A)
3 Times -- 2 and 3 Times
5 Times -- 3 and 5 Times
Kinds of division lines
1. Kinds of division lines
Medium line
Minor line
Major line (with numerals)
2. 3 characters, standard.
EX. (1) 1200V
→
1.2kV
(2) 20000rpm
→
20
×
1000rpm
Содержание 2100A series
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