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18
Av
ailab
le Calibration
V
armeter
V
armeteres :
Zer
o-centermeter
Wir
ing
Single-Phase 2-Wire
3300V
6600V
11000V
22000V
33000V
66000V
2200V
1100V
440V
220V
110V
3300/110V
6600/110V
11000/110V
22000/110V
33000/110V
66000/110V
2200/110V
1100/110V
440/110V
220/110V
—
±
360
±
540
±
720
±
1080
±
1800
±
2160
±
3.6
±
5.4
±
7.2
±
9
±
10.8
±
18
±
21.6
±
27
±
36
±
54
±
72
±
1640
±
2460
±
3280
±
4920
±
8200
±
9840
±
16.4
±
24.6
±
32.8
±
41
±
49.2
±
82
±
98.4
±
123
±
164
±
246
±
328
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
1440
±
2160
±
2.88
±
4.32
±
7.2
±
8.64
±
14.4
±
21.6
±
28.8
±
36
±
43.2
±
72
±
86.4
±
108
±
144
±
216
±
288
±
6560
±
9840
±
13.12
±
19.68
±
32.8
±
39.36
±
65.6
±
98.4
±
131.2
±
164
±
196.8
±
328
±
392
±
492
±
656
±
984
±
1312
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
3.6
±
5.4
±
7.2
±
10.8
±
18
±
21.6
±
36
±
54
±
72
±
90
±
108
±
180
±
216
±
270
±
360
±
540
±
720
±
16.4
±
24.6
±
32.8
±
49.2
±
82
±
98.4
±
164
±
246
±
328
±
410
±
492
±
820
±
984
±
1230
±
1640
±
2460
±
3280
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
7.2
±
18.08
±
14.4
±
21.6
±
36
±
43.2
±
72
±
108
±
144
±
180
±
216
±
360
±
432
±
540
±
720
±
1080
±
1440
±
32.8
±
49.2
±
65.6
±
98.4
±
164
±
196.8
±
328
±
492
±
656
±
820
±
984
±
1640
±
1968
±
2460
±
3280
±
4920
±
6560
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
10.8
±
16.2
±
21.6
±
32.4
±
54
±
64.8
±
108
±
162
±
216
±
270
±
324
±
540
±
648
±
810
±
1080
±
1620
±
2160
±
49.2
±
73.8
±
98.4
±
147.6
±
246
±
295.2
±
492
±
738
±
984
±
1230
±
1476
±
2460
±
2952
±
3690
±
4920
±
7380
±
9840
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
21.6
±
32.4
±
43.2
±
64.8
±
108
±
129.6
±
216
±
324
±
432
±
540
±
648
±
1080
±
1296
±
1620
±
2160
±
3.24
±
4.32
±
98.4
±
147.6
±
196.8
±
295.2
±
492
±
590.4
±
984
±
1476
±
1968
±
2460
±
2952
±
4920
±
5904
±
7380
±
9840
±
14.76
±
19.68
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
36
±
54
±
72
±
108
±
180
±
216
±
360
±
540
±
720
±
900
±
1080
±
1800
±
2160
±
2.7
±
3.6
±
5.4
±
7.2
±
164
±
246
±
328
±
492
±
820
±
984
±
1640
±
2460
±
3280
±
4100
±
4920
±
8200
±
9840
±
12.3
±
16.4
±
24.6
±
32.8
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
72
±
180.8
±
144
±
216
±
360
±
432
±
720
±
1080
±
1440
±
1800
±
2160
±
3.6
±
4.32
±
5.4
±
7.2
±
10.8
±
14.4
±
328
±
492
±
656
±
984
±
1640
±
1968
±
3280
±
4920
±
6560
±
8200
±
9840
±
16.4
±
19.68
±
24.6
±
32.8
±
49.2
±
65.6
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
108
±
162
±
216
±
324
±
540
±
648
±
1080
±
1620
±
2160
±
2.7
±
3.24
±
5.4
±
6.48
±
8.1
±
10.8
±
16.2
±
21.6
±
492
±
738
±
984
±
1476
±
2460
±
2952
±
4920
±
7380
±
9840
±
12.3
±
14.76
±
24.6
±
29.52
±
36.9
±
49.2
±
73.8
±
98.4
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
216
±
324
±
432
±
648
±
1080
±
1296
±
2160
±
3.24
±
4.32
±
5.4
±
6.48
±
10.8
±
12.96
±
16.2
±
21.6
±
32.4
±
43.2
±
984
±
1476
±
1968
±
2952
±
4920
±
5904
±
9840
±
14.76
±
19.68
±
24.6
±
29.52
±
49.2
±
59.04
±
73.8
±
98.4
±
147.6
±
196.8
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
720
±
1080
±
1440
±
2160
±
3.6
±
4.32
±
7.2
±
10.8
±
14.4
±
18
±
21.6
±
36
±
43.2
±
54
±
72
±
108
±
144
±
3280
±
4920
±
6560
±
9840
±
16.4
±
19.68
±
32.8
±
49.2
±
65.6
±
82
±
98.4
±
164
±
196
±
246
±
328
±
492
±
656
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
10A/5A
15A/5A
20A/5A
30A/5A
50A/5A
60A/5A
100A/5A
150A/5A
200A/5A
250A/5A
300A/5A
500A/5A
600A/5A
750A/5A
1000A/5A
1500A/5A
2000A/5A
Vo
lt
VT
Vo
lt
VT
Vo
lt
VT
CT
Wir
ing
3-Phase 3-Wire
3300V
6600V
11000V
22000V
33000V
66000V
2200V
1100V
440V
220V
110V
3300/110V
6600/110V
11000/110V
22000/110V
33000/110V
66000/110V
2200/110V
1100/110V
440/110V
220/110V
—
±
624
±
936
±
1248
±
1872
±
3.12
±
3.744
±
6.24
±
9.36
±
12.48
±
15.6
±
18.72
±
31.2
±
37.44
±
46.8
±
62.4
±
93.6
±
124.8
±
2800
±
4200
±
5600
±
8400
±
14
±
16.8
±
28
±
42
±
56
±
70
±
84
±
140
±
168
±
210
±
280
±
420
±
560
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
2.496
±
3.744
±
4.992
±
7.488
±
12.48
±
14.98
±
24.96
±
37.44
±
49.92
±
62.4
±
74.88
±
124.8
±
149.8
±
187.2
±
249.6
±
374.4
±
499.2
±
11.2
±
16.8
±
22.4
±
33.6
±
56
±
67.2
±
112
±
168
±
224
±
280
±
336
±
560
±
672
±
840
±
1120
±
1680
±
2240
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
6.24
±
9.36
±
12.48
±
18.72
±
31.2
±
37.44
±
62.4
±
93.6
±
124.8
±
156
±
187.2
±
312
±
374.4
±
468
±
624
±
936
±
1248
±
28
±
42
±
56
±
84
±
140
±
168
±
280
±
420
±
560
±
700
±
840
±
1400
±
1680
±
2100
±
2800
±
4200
±
5600
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
12.48
±
18.72
±
24.96
±
37.44
±
62.4
±
74.88
±
124.8
±
187.2
±
249.6
±
312
±
374.4
±
624
±
748.8
±
936
±
1248
±
1872
±
2.496
±
56
±
84
±
112
±
168
±
280
±
336
±
560
±
840
±
1120
±
1400
±
1680
±
2800
±
3360
±
4200
±
5600
±
8400
±
11.2
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
18.72
±
28.08
±
37.44
±
56.16
±
93.6
±
112.3
±
187.2
±
280.8
±
374.4
±
468
±
561.6
±
936
±
1123
±
1404
±
1872
±
2.808
±
3.744
±
84
±
126
±
168
±
252
±
420
±
504
±
840
±
1260
±
1680
±
2100
±
2520
±
4200
±
5040
±
6300
±
8400
±
12.6
±
16.8
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
37.44
±
56.16
±
74.88
±
112.3
±
187.2
±
224.6
±
374.4
±
561.6
±
748.8
±
936
±
1123
±
1872
±
2.246
±
2.808
±
3.744
±
5.616
±
7.488
±
168
±
252
±
336
±
504
±
840
±
1008
±
1680
±
2520
±
3360
±
4200
±
5040
±
8400
±
10.08
±
12.6
±
16.8
±
25.2
±
33.6
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
62.4
±
93.6
±
124.8
±
187.2
±
312
±
374.4
±
624
±
936
±
1248
±
1560
±
1872
±
3.12
±
3.744
±
4.68
±
6.24
±
9.36
±
1.248
±
280
±
420
±
560
±
840
±
1400
±
1680
±
2800
±
4200
±
5600
±
7000
±
8400
±
14
±
16.8
±
21
±
28
±
42
±
56
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
124.8
±
187.2
±
249.6
±
374.4
±
624
±
748.8
±
1248
±
1872
±
2.496
±
3.12
±
3.744
±
6.24
±
7.488
±
9.36
±
12.48
±
18.72
±
24.96
±
560
±
840
±
1120
±
1680
±
2800
±
3360
±
5600
±
8400
±
11.2
±
14
±
16.8
±
28
±
33.6
±
42
±
56
±
84
±
112
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
187.2
±
280.8
±
374.4
±
561.6
±
936
±
1123
±
1872
±
2.808
±
3.744
±
4.68
±
5.616
±
9.36
±
11.23
±
14.04
±
18.72
±
28.08
±
37.44
±
840
±
1260
±
1680
±
2520
±
4200
±
5040
±
8400
±
12.6
±
16.8
±
21
±
25.2
±
42
±
50.4
±
63
±
84
±
126
±
168
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
374.4
±
561.6
±
748.8
±
1123
±
1872
±
2.246
±
3.744
±
5.616
±
7.488
±
9.36
±
11.23
±
18.72
±
22.46
±
28.08
±
37.44
±
56.16
±
74.88
±
1680
±
2520
±
3360
±
5040
±
8400
±
10.08
±
16.8
±
25.2
±
33.6
±
42
±
50.4
±
84
±
100.8
±
126
±
168
±
252
±
336
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
1248
±
1872
±
2.496
±
3.744
±
6.24
±
7.488
±
12.48
±
18.72
±
24.96
±
31.2
±
37.44
±
62.4
±
74.88
±
93.6
±
124.8
±
187.2
±
249.6
±
5600
±
8400
±
11.2
±
16.8
±
28
±
33.6
±
56
±
84
±
112
±
140
±
168
±
280
±
336
±
420
±
560
±
840
±
1120
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
10A/5A
15A/5A
20A/5A
30A/5A
50A/5A
60A/5A
100A/5A
150A/5A
200A/5A
250A/5A
300A/5A
500A/5A
600A/5A
750A/5A
1000A/5A
1500A/5A
2000A/5A
CT
Wir
ing
3-Phase 4-Wire
3300V
6600V
11000V
22000V
33000V
66000V
2200V
1100V
440V
220V
110V
3300/110V
6600/110V
11000/110V
22000/110V
33000/110V
66000/110V
2200/110V
1100/110V
440/110V
220/110V
—
±
1090
±
1635
±
2180
±
3.27
±
5.45
±
8.175
±
10.9
±
16.35
±
21.8
±
27.25
±
32.7
±
54.5
±
65.4
±
81.75
±
109
±
163.5
±
218
±
4950
±
7425
±
9900
±
14.85
±
24.75
±
37.13
±
49.5
±
74.25
±
99
±
123.8
±
148.5
±
247.5
±
297
±
371.3
±
495
±
742.5
±
990
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
4.36
±
6.54
±
8.72
±
13.08
±
21.8
±
32.7
±
43.6
±
65.4
±
87.2
±
109
±
130.8
±
218
±
261.6
±
327
±
436
±
654
±
872
±
19.8
±
29.7
±
39.6
±
59.4
±
99
±
148.5
±
198
±
297
±
396
±
495
±
594
±
990
±
1188
±
1485
±
1980
±
2970
±
3960
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
10.9
±
16.35
±
21.8
±
32.7
±
54.5
±
81.75
±
109
±
163.5
±
218
±
272.5
±
327
±
545
±
654
±
817.5
±
1090
±
1635
±
2180
±
49.5
±
74.25
±
99
±
148.5
±
247.5
±
371.3
±
495
±
742.5
±
990
±
1238
±
1485
±
2475
±
2970
±
3713
±
4950
±
7425
±
9900
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
21.8
±
32.7
±
43.6
±
65.4
±
109
±
163.5
±
218
±
327
±
436
±
545
±
654
±
1090
±
1308
±
1635
±
2180
±
3.27
±
4.36
±
99
±
148.5
±
198
±
297
±
495
±
742.5
±
990
±
1485
±
1980
±
2475
±
2970
±
4950
±
5940
±
7425
±
9900
±
14.85
±
19.8
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
32.7
±
49.05
±
65.4
±
98.1
±
163.5
±
245.3
±
327
±
490.5
±
654
±
817.5
±
981
±
1635
±
1962
±
2.453
±
3.27
±
4.905
±
6.54
±
148.5
±
222.8
±
297
±
445.5
±
742.5
±
1114
±
1485
±
2228
±
2970
±
3713
±
4455
±
7425
±
8910
±
11.14
±
14.85
±
22.28
±
29.7
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
65.4
±
98.1
±
130.8
±
196.2
±
327
±
490.6
±
654
±
981
±
1308
±
1635
±
1962
±
3.27
±
3.924
±
4.905
±
6.54
±
9.81
±
13.08
±
297
±
445.5
±
594
±
891
±
1485
±
2228
±
2970
±
4455
±
5940
±
7425
±
8910
±
14.85
±
17.82
±
22.28
±
29.7
±
44.55
±
59.4
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
109
±
163.5
±
218
±
327
±
545
±
817.5
±
1090
±
1635
±
2180
±
2.725
±
3.27
±
5.45
±
6.54
±
8.175
±
10.9
±
16.35
±
21.8
±
495
±
742.5
±
990
±
1485
±
2475
±
3713
±
4950
±
7425
±
9900
±
12.38
±
14.85
±
24.75
±
29.7
±
37.13
±
49.5
±
74.25
±
99
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
218
±
327
±
436
±
654
±
1090
±
1635
±
2180
±
3.27
±
4.36
±
5.45
±
6.54
±
10.9
±
13.08
±
16.35
±
21.8
±
32.7
±
43.6
±
990
±
1485
±
1980
±
2970
±
4950
±
7425
±
9900
±
14.85
±
19.8
±
24.75
±
29.7
±
49.5
±
59.4
±
74.25
±
99
±
148.5
±
198
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
327
±
490.5
±
654
±
981
±
1635
±
2.453
±
3.27
±
4.905
±
6.54
±
8.175
±
9.81
±
16.35
±
19.62
±
24.53
±
32.7
±
49.05
±
65.4
±
1485
±
2228
±
2970
±
4455
±
7425
±
11.14
±
14.85
±
22.28
±
29.7
±
37.13
±
44.55
±
74.25
±
89.1
±
111.4
±
148.5
±
222.8
±
297
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
654
±
981
±
1308
±
1962
±
3.27
±
4.906
±
6.54
±
9.81
±
13.08
±
16.35
±
19.62
±
32.7
±
39.24
±
49.05
±
65.4
±
98.1
±
130.8
±
2970
±
4455
±
5940
±
8910
±
14.85
±
22.28
±
29.7
±
44.55
±
59.4
±
74.25
±
89.1
±
148.5
±
178.2
±
222.8
±
297
±
445.5
±
594
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
±
2180
±
3.27
±
4.36
±
6.54
±
10.9
±
16.35
±
21.8
±
32.7
±
43.6
±
54.5
±
65.4
±
109
±
130.8
±
163.5
±
218
±
327
±
436
±
9900
±
14.85
±
19.8
±
29.7
±
49.5
±
74.25
±
99
±
148.5
±
198
±
247.5
±
297
±
495
±
594
±
742.5
±
990
±
1485
±
1980
⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃ ⬃
10A/5A
15A/5A
20A/5A
30A/5A
50A/5A
60A/5A
100A/5A
150A/5A
200A/5A
250A/5A
300A/5A
500A/5A
600A/5A
750A/5A
1000A/5A
1500A/5A
2000A/5A
CT
=v
ar
,
∗
+ :
LEAD
, - :
LA
G
=kv
ar
,
=Mv
ar