Fluke 434/435

Users Manual

Electrical Measurements

The following specifications of the instrument are verified using the “implementation verification” table 3 as specified in 61000-4-30 chap-6-2.

INPUT CHARACTERISTICS

Voltage inputs

 

 

 

 

Number of inputs

4 (3 phases + neutral) DC coupled

 

 

 

 

Maximum input

1000 Vrms

 

voltage

 

 

 

 

 

Nominal Voltage

50…500 V internally devided in three ranges 500 V, 250 V and 125 V

 

range

 

 

 

 

 

Maximum peak

6 kV

 

voltage

 

 

 

Input impedance

4 MΩ // 5 pF

 

 

Bandwidth

> 10 kHz, up to 100kHz for transient display

 

 

Scaling

1:1, 10:1, 100:1, 1000:1 and variable

 

 

 

 

Current inputs

 

 

 

Number of inputs

4 (3 phases + neutral) DC coupled

 

 

Type

Clamp on current transformer with mV output

 

 

 

 

Nominal input

0 - ± 5.625 Vpeak, 0 - 3.97 Vrms sinewave

 

Range

 

 

 

Range

1..400 Arms with included clamps (I400S)

 

 

0.1..3000 Arms with optional clamps

 

 

Input impedance

50 kΩ

 

 

Bandwidth

>10 kHz

 

 

Scaling

0.1, 1, 10, 100, 1000 mV/A, variable, i5s and i430flex

 

 

 

 

Nominal frequency

40..70 Hz

 

 

Sampling system

 

 

 

Resolution

16 bit analog to digital converter on 8 channels

 

 

Maximum sampling

200kS/s on each channel simultaneously

speed

 

 

 

RMS sampling

5000 samples on 10/122 cycles according IEC 61000-4-30

PLL synchronization

4096 samples on 10/122 cycles according IEC 61000-4-7

23-2

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Fluke 435 user manual Electrical Measurements, Voltage inputs, Current inputs, Nominal frequency, Sampling system