T.I.S. INSTRUMENTS MFT-PRO - Page 22

MFT-PRO
Quick reference guide
EN – 20
MEASUREMENT OF NETWORK PARAMETERS AND HARMONICS
Voltage
Range [V] Resolution [V] Accuracy
15.0  459.9
0.1V
(1.0rdg + 1dgt)
Crest factor  1,5 ; Frequency: 42.5  69.0 Hz
Frequency
Range [Hz] Resolution [Hz] Accuracy
42.5  69.0
0.01
(2.0rdg + 2dgt)
Allowed voltage: 15.0  459.9V ; Allowed current: 5%FS clamp  FS clamp
AC Current
FS clamp Range [A] Resolution [A] Accuracy
 10A 5% FS  9.99
0.01
1Ph: (1.0rdg + 3 dgt)
3Ph: (2.0rdg + 5 dgt)
10A  FS  200 5% FS  199.9
0.1
200A  FS  3000 5% FS  2999
1
Range: 5  999.9 mV, values under 5mV are zeroed
Crest factor  3; Frequency: 42.5  69.0 Hz
Active power (@ 230V in 1Ph systems, 400V in 3Ph systems, cos=1, f=50.0Hz)
FS clamp Range [kW] Resolution [kW] Accuracy
 10A 0.000  9.999
0.001
1Ph: (2.0rdg + 5 rdg)
3Ph: (2.5rdg + 8 rdg)
10A  FS  200 0.00  999.99
0.01
200A  FS  1000 0.0  999.9
0.1
1000A  FS  3000 0  9999
1
Reactive power (@ 230V in 1Ph systems, 400V in 3Ph systems, cos=0, f=50.0Hz)
FS clamp Range [kVAr] Resolution [kVAr] Accuracy
 10A 0.000  9.999
0.001
1Ph: (2.0rdg + 7 rdg)
3Ph: (3.0rdg + 8 rdg)
10A  FS  200 0.00  999.99
0.01
200A  FS  1000 0.0  999.9
0.1
1000A  FS  3000 0  9999
1
Power factor (@ 230V in 1Ph systems, 400V in 3Ph systems, f=50.0Hz)
Range Resolution Accuracy
0.70c  1.00  0.70i
0.01
(4.0rdg + 10rdg) if I  10%FS
(2.0rdg + 3rdg) if I > 10%FS
cos (@ 230V in 1Ph systems, 400V in 3Ph systems, f=50.0Hz)
Range Resolution Accuracy
0.70c  1.00  0.70i
0.01
(4.0rdg + 10rdg) if I  10%FS
(1.0rdg + 7rdg) if I > 10%FS
Voltage harmonics (@ 230V in 1Ph systems, 400V in 3Ph systems, f=50.0Hz)
Range [%] Resolution [%] Ordine Accuracy
0.1  100.0
0.1
01  25 (5.0rdg + 5rdg)
Fundamental frequency: 42.5  69.0 Hz, DC accuracy not declared
Current harmonics (f=50Hz)
Range [%] Resolution [%] Order Accuracy
0.1  100.0
0.1
01  9 (5.0rdg + 5rdg)
10  17 (10.0rdg + 5rdg)
18  25 (15.0rdg + 10rdg)