84
Accuracy Table
• Overload protection: 1100 V DC (1870 V DC
*2
)/1100 V AC or 2×10
7
V • Hz
(energized for 1 minute)
Transient overvoltage: 8000 V
• Crest factor: The crest factor is 3 up to 4000 counts and reduces linearly to
2 at 6000 counts.
• Connection method: AC coupling
• Auto range movement threshold: 6000 counts or more for upper range, 540
counts or less for lower range.
*1: The accuracy is speci
fi
ed in 1% or more of the range, however, ±5 dgt.
should be added to 5% or less of the range.
• Accuracy guarantee range for frequency: 40 Hz to 1 kHz (Measured
values outside the accuracy guarantee range for frequency are also
displayed.)
The accuracy is not speci
fi
ed for strain waveforms outside the range of
40 Hz to 1 kHz.
• For 100 Hz with the
fi
lter ON, ±1.5% rdg. is added to the accuracy
speci
fi
cation between 40 Hz and 100 Hz and the accuracy is not speci
fi
ed
in 100 Hz or more.
• For 500 Hz with the
fi
lter ON, ±0.5% rdg. is added to the accuracy
speci
fi
cation between 40 Hz and 500 Hz and the accuracy is not speci
fi
ed
in 500 Hz or more.
*2: DT4254
2
Frequency
Range
Accuracy
Remarks
99.99 Hz
±0.1% rdg. ±1 dgt.
-
999.9 Hz
±0.1% rdg. ±1 dgt.
-
9.999 kHz
±0.1% rdg. ±1 dgt.
-
99.99 kHz
±0.1% rdg. ±1 dgt.
AC voltage only
• Auto range movement threshold: 9999 counts or more for upper range, 900
counts or less for lower range.
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