
Fluke 434-II/435-II/437-II
Users Manual
27-2
Electrical Measurements
The following specifications of the instrument are verified using the “implementation
verification” table 2 as specified in 61000-4-30 2
nd
edition chap-6-2.
INPUT CHARACTERISTICS
Voltage inputs
Number of inputs
4 (3 neutral) dc coupled
Maximum input
voltage
1000 Vrms
Nominal Voltage
range
Selectable 1 V to 1000 V according IEC61000-4-30
Maximum peak
measurement
voltage
6 kV (Transients mode only)
Input impedance
4 M
Ω
// 5 pF
Bandwidth
> 10 kHz, up to 100kHz for Transients mode
Scaling
1:1, 10:1, 100:1, 1,000:1, 10,000:1 and variable
Current inputs
Number of inputs
4 (3 neutral) dc or ac coupled
Type
Clamp on current transformer with mV/A output or i430flex-TF
Nominal input
Range
0 - ± 3.0 Vpeak, 0 - 3.97 Vrms sinewave (selection x1, AC+DC coupled)
0 - ± 0.3 Vpeak, 0 – 0.397 Vrms sinewave (selection x10, AC coupled)
Range
0.5 Arms to 600 Arms with included i430flex-TF (with sensitivity 10x)
5 Arms to 6000 Arms with included i430flex-TF (with sensitivity 1x)
0.1 mV/A to 1 V/A and custom for use with optional ac or dc clamps
Note: sensitive x10 position gives more resolution, but reduced range. Only AC
signals are supported; DC components are blocked.
Input impedance
1 M
Ω
Bandwidth >10
kHz
Scaling
1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable
Nominal frequency
434-II, 435-II: 50 Hz, 60 Hz
437-II: 50 Hz, 60 Hz, 400 Hz
Sampling system
Resolution
16 bit analog to digital converter on 8 channels
Maximum sampling
speed
200 kS/s on each channel simultaneously
RMS sampling
5000 samples on 10/12
1
cycles according IEC 61000-4-30
PLL synchronization
4096 samples on 10/12
1
cycles according IEC 61000-4-7
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