Analogue instruments - Ulrichmatterag.ch
Analogue instruments - Ulrichmatterag.ch
Analogue instruments - Ulrichmatterag.ch
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<strong>Analogue</strong> <strong>instruments</strong><br />
Wattmeters<br />
<strong>Analogue</strong> indicator to measure active power<br />
Coding table<br />
M 1 X X X X 0 0 X X X<br />
Code<br />
Current input<br />
Internal<br />
Code<br />
Standard .../ 5 A 0<br />
... / 1 A 1<br />
Standard (400 V p-p<br />
) 0<br />
110 V p-p<br />
(a) 1<br />
Voltage<br />
230 V p-p<br />
2<br />
440 V p-p<br />
5<br />
460 V p-p<br />
6<br />
Wattmeters<br />
Scale range<br />
Primary<br />
current<br />
transformer<br />
50 9<br />
75 B<br />
100 C<br />
150 E<br />
200 F<br />
300 H<br />
400 J<br />
500 K<br />
600 L<br />
1000 P<br />
1500 R<br />
2000 S<br />
3000 U<br />
4000 V<br />
5000 W<br />
(a) For unbalanced ARON (3 wire) three-phase units, 100 V is<br />
considered the standard voltage<br />
M 1 X X X X 0 0 X X<br />
Wattmeter scales<br />
Code<br />
Current input<br />
Voltage<br />
Internal<br />
Code<br />
Standard .../ 5 A 0<br />
... / 1 A 1<br />
Standard (400 V) 0<br />
110 V (a) 1<br />
230 V 2<br />
440 V 5<br />
460 V 6<br />
(a) For unbalanced ARON (3 wire) three-phase units, 100 V is<br />
considered the standard voltage<br />
M1-37