55
4.1.5 CHARACTERISTICS
4.1.5.1 MEASUREMENT RANGES AND ACCURACY
Frequency:
the value displayed is guaranteed only for a voltage
≥
10VRMS (all settings of the
switch except
) or, in the
position, for a current
≥
100 mARMS.
Display range
400 V
4000 V
Specified
measurement
domain
2.0 – 79.9 V
80.0 – 399.9 V
400 – 550V (DC or RMS)
Accuracy
± 4% ± 5 pt
± 2% ± 1 pt
± 2% ± 1 pt
Input impedance
440 k
Ω
Voltage
measurements
Measurements of
the potential of
the voltage probe
Operating
frequency
DC and 15.3 to 450 Hz
Specified
measurement
domain
2.0 – 100.0 V
Accuracy
± 15% ± 2 pt (45Hz < freq. < 65Hz)
Input impedance
4.5 M
Ω
in series with 4.7 nF
Contact
voltage
measurement
Operating
frequency
15.3 to 65 Hz
Display range
400 Hz
4000 Hz
Specified
measurement
domain
15.3 – 399.9 Hz
400 – 450 Hz
Resolution
0.1 Hz
1 Hz
Frequency
measurement
Accuracy
± 0.1% ± 1pt
4.1.5.2
INFLUENCING CONDITIONS
Variation of the measurement
Influencing quantities
Limits of the domain of
use
Typical
Maximum
Temperature
-10 to + 55 °C
1%/10 °C
±
1pt
2%/10 °C + 2pt
Relative humidity
10 to 85% RH at 45°C
2%
3% + 2 pt
Power supply voltage
6,8 to 10 V
1% / V + 1pt
2%/ V + 2pt
Frequency
15.3
to 450Hz
0.5%
1%
Series mode rejection in AC
50/60Hz series mode
rejection in DC
Common mode rejection in
50/60Hz AC
0 to 500 V DC
50dB
40dB
Summary of Contents for C.A 6454
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