Electrical measurements – Fluke 434 User Manual
Page 104

Fluke 433/434
Users Manual
21-2
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.
FREQUENCY MEASUREMENT
Selected Nominal
Frequency (Fnom)
Measurement Range
Resolution
Accuracy
50 Hz
42.50 ... 57.50 Hz
0.01 Hz
± 0.1 % of Fnom
60 Hz
51.00 ... 69.00 Hz
0.01 Hz
± 0.1 % of Fnom
Note: measured on Reference Voltage Input A/L1.
VOLTAGE MEASUREMENTS
Voltage Inputs
Item Specification
Additional
Information
Nominal voltage input range of
Vnom (Nominal voltage)
60 V-500 V
Internal divided in three ranges
500 V, 250 V, 125 V
Voltage Scaling factor (Vscale)
(display only)
1:1, 10:1, 100:1, 1000:1
variable: xxxx : yyy
All displayed Voltage results are
multiplied by the selected Vscale
factor.
Numbers of inputs
4
L1/L2/L3 and N(neutral) banana
inputs
Input impedance
4 Mohm // 5 pF
Max range
0 %-200 %
% of selected Vnom
Max continuous input
voltage
1000 Vrms
This is an overload in all ranges
except 500V
Max Vpeak input voltage
within dynamic range
≥
±2,8x selected Vnom
Absolute max Vpeak input
voltage
6 kV
Max 1,2/50us ;these voltage input
pulse is out of dynamic range
Bandwidth
>10 kHz
Crosstalk between Voltage
channels (L1/L2/L3/N)
-60 dB
Crosstalk between Voltage and
Current channels
-95 dB
@ 42,5-67Hz
(measured channel grounded)
Note: all following Voltage specifications are based on a Voltage Scaling Factor of 1:1,
unless otherwise indicated.