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Electrical Specifications - Wavetek 2020 Bedienungsanleitung

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2020/30.Man.3x5,25/XPr
(Electromagnetic Compatibility) and
73/23/EEC (Low Voltage) as amen-
ded by 93/68/EEC (CE Marking).
However, electrical noise or intense
electromagnetic fields in the vicinity
of the equipment may disturb the
measurement circuit. Measuring
instruments will also respond to
unwanted signals that may be
present within the measurement
circuit. Users should exercise care
and take appropriate precautions to
avoid misleading results when
making measurements in the
presence of electronic interference.

Electrical Specifications

Accuracies at 23°C ± 5°C, <75% RH,
guaranteed for one year.
DC Volts
Ranges: 100, 1000mV, 10, 100, 1000V
Resolution, 0.01mV in 100mV range:
Accuracy, all Rgs:
2020: ±(0.25%rdg +2dgt)
2030: ±(0.10%rdg +2dgt)
Input Impedance: 10MΩ
Response time: <2s
NMRR: >60dB at 50 or 60Hz
CMRR: >120dB up to 1000Vdc (≤ 1k
unbalance)
OL Protection: 1000VDC or Peak AC. 6kV
transient protection.
Lethal voltage indication: Ligthning bolt
in LCD and double beep when the
input exceeds 25V.
AC Volts.
Input is from 5% to full-scale on each
range.
Ranges: 100, 1000mV, 10, 100, 1000V
Resolution: 0.01mV in 100mV range
Accuracy: 2.0% rdg ±8dgt at 45 to 2kHz
(to 400Hz in 100mV range)
Response time: <3s
Frequency response: 3dB >10kHz
Input Impedance: 10MΩ shunted by
<100pF
Conversion type: True RMS, AC coupled;
True RMS (AC+DC) in V
and pressing second function key
(same AC specifications as AC volts
plus DC volts accuracy of ±2% in all
ranges. If a high DC voltage is present,
19/06/97 14:36
the unit needs to be in Range-Lock to
get a correct reading.)
Crest factor: 1:1 through 5:1
OL Protection, <10Hz: 400Vrms; >10Hz:
1000Vrms. 6kV transient protection.
DC Current
Ranges: 1000µA, 10, 100, 1000mA, 10,
20A
Resolution: 0.1µA in 1000µA range
Range
Accuracy
2020
1000.0µA
1.0%±2dgt 0.5%±2dgt
10.000mA
0.5%±1dgt 0.35%±1dgt
100.00mA
0.5%±1dgt 0.35%±1dgt
1000.0mA
1.0%±2dgt 0.5%±1dgt
10.000A
1.0%±1dgt 1.0%±1dgt
20.00A
1.0%±1dgt 1.0%±1dgt
Voltage burden, 1000µA to 100mA
ranges: 15mV/mA; 1000mA to 20A
ranges: 40mV/A
Response time: <3s
OL Protection: mA input: 0.25A/600V
fuse; 1000A interrupt rating
A input: 10A continuous, 20A for 30
seconds. 15A/600V fuse. 100kA
interrupt rating.
AC Current (45-1000Hz)
Ranges: 1000µA, 10, 100, 1000mA, 10,
20A
Resolution: 0.1µA in 1000µA range
Accuracy, 1000µA to 1000mA ranges:
1.7%rdg ± 8dgt;
10, 20A ranges: 1.7%rdg ±3dgt)
Voltage burden: see DC current
Response time: <3s
Frequency response: 3dB >10kHz
Conversion type: True RMS AC coupled;
True RMS (AC+DC) in A
and pressing second function key
(same specifications as AC amps).
Crest factor 1:1 through 5:1
OL Protection: see DC current.
Resistance
Range
Accuracy
2020
100.00Ω
0.7%±4dgt 0.5%±4dgt
1000.0Ω
0.5%±4dgt 0.3%±4dgt
10.000kΩ
0.5%±4dgt 0.3%±4dgt
function
100.00kΩ
0.5%±4dgt 0.3%±4dgt
1000.0kΩ
0.5%±4dgt 0.3%±4dgt
10.000MΩ 1.5%±4dgt 0.7%±4dgt
20.00MΩ
2.0%±4dgt 1.2%±4dgt
– 31 –
Page 33
Accuracy
2030
function
Accuracy
2030

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