METREL MI 2893 - Line Voltages; Phase Voltages

MI 2893 / MI 2892 / MI 2885 Measurements
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6.2.2 Phase Voltages
10/12 cycle phase RMS voltage: U1Rms, U2Rms, U2Rms, UNRms, AC+DC
Measuring Range
Resolution*
Accuracy
Nominal Voltage U
NOM
10% U
NOM
÷ 150% U
NOM
10 mV, 100mV
± 0.1 %  U
NOM
50 ÷ 1000 V (L-N)
* - depends on measured voltage
Half cycle RMS voltage (events, min, max): U
1Rms(1/2)
, U
2Rms(1/2)
, U
3Rms(1/2)
, U
1Min
, U
2Min
, U
3Min
, U
1Max
,
U
2Max
, U
3Max
, AC+DC
Measuring Range
Resolution*
Accuracy
Nominal Voltage U
NOM
3% U
NOM
÷ 150% U
NOM
10 mV, 100mV
± 0.2 %  U
NOM
50 ÷ 1000 V (L-N)
* - depends on measured voltage
NOTE: Voltage events measurements are based on half cycle RMS voltage.
Crest factor: CF
U1
, CF
U2
, CF
U3
, CF
UN
Measuring range
Resolution*
Accuracy
1.00 ÷ 2.50
0.01
± 5 % · CF
U
* - depends on measured voltage
Peak voltage: U1Pk, U2Pk, U3Pk, AC+DC
Measuring range
Resolution*
Accuracy
Range 1: 20.00 ÷ 255.0 Vpk
10 mV, 100 mV
± 0.5 % · UPk
Range 2: 50.0 V ÷ 510.0 Vpk
10 mV, 100 mV
± 0.5 % · UPk
Range 3: 200.0 V ÷ 2250.0 Vpk
100 mV, 1V
± 0.5 % · UPk
* - depends on measured voltage
6.2.3 Line voltages
10/12 cycle line to line RMS voltage: U
12Rms
, U
23Rms
, U
31Rms
, AC+DC
Measuring Range
Resolution*
Accuracy
Nominal Voltage range
10% UNOM ÷ 150% UNOM
10 mV, 100mV
± 0.1 %  U
NOM
VFD mode:
± 1 %  U
NOM
50 ÷ 1730 V (L-L)
Half cycle RMS voltage (events, min, max): U
12Rms(1/2)
, U
23Rms(1/2)
, U
31Rms(1/2)
, U
12Min
, U
23Min
, U
31Min
,
U
12Max
, U
23Max
, U
31Max
, AC+DC
Measuring Range
Resolution*
Accuracy
Nominal Voltage range
10% U
NOM
÷ 150% U
NOM
10 mV, 100mV
± 0.2 %  U
NOM
50 ÷ 1730 V (L-L)
Crest factor: CF
U21
, CF
U23
, CF
U31
Measuring range
Resolution
Accuracy
1.00 ÷ 2.50
0.01
± 5 % · CF
U