Carlo Gavazzi WM4-96 - Manual (Page 74)

▲
▲
74
Technical features
Digital outputs
69
Three-phase connections
72
76
83
Sampling: 6400 samples/s @ 50Hz.
Display: graphic back-lighted LCD (128x64 dots).
Selectable read-out for the instantaneous variables: 4x4
digit or 4x3 1 /
2
digit. Total energies: 4x9 digit.
Partials: 4x6 digit.
Max. and min. indication:
Max. 9999 (999999999).
Min. -9999 (–999999999).
■
Measurements
Curent, voltage, power, energy, power factor, frequency, har-
monic distortion (see display specs). TRMS measurement of
distorted sine waves.
Coupling: direct.
Crest factor:
≤
3, (max. 15Ap/500Vp (“AV5” V L-N),
15Ap/800Vp (“AV7” V L-N).
■
Input impedance
AV5: 58/100 V (> 500 k
Ω
) - 1 AAC (
≤
0.3 VA); 58/100 V
(> 500 k
Ω
) - 5 AAC (
≤
0.3 VA); 240 V/415 V (> 500 k
Ω
) -1AAC
(
≤
0.3 VA); 240 V/415 V (> 500 k
Ω
) - 5 AAC (
≤
0.3 VA).
AV7: 100/170 V (> 500 k
Ω
) -1 AAC (
≤
0.3 VA); 100/170 V
(> 500 k
Ω
) - 5 AAC (
≤
0.3 VA); 400/690 V (> 500 k
Ω
) -1 AAC
(
≤
0.3 VA); 400/690 V (> 500 k
Ω
) - 5 AAC (
≤
0.3 VA).
■
Frequency
40 to 440 Hz.
■
Overload
Permanent: voltage/current: AV5: 300V
L-N
/ 500V
L-L
/ 6A;
AV7: 480V
L-N
/ 830V
L-L
/ 6A
For 1s: voltage/current: AV5: 600V
L-N
/1040V
L-L
/120A;
AV7: 960V
L-N
/1660V
L-L
/120A