4-7
IM DM7560-02EN
Specifications
4.2 Specifications of Basic Measuring Function
4
4.2.2.2 Accuracy
It specifies at 5% to 100% of each range.
Unit : ± (% of % of range)
Range
Frequency
Accuracy
Temp. coefficient
100.0000 mV
20 Hz to 45 Hz
0.70 + 0.04
0.070 + 0.004
45 Hz to 100 Hz
0.20 + 0.04
0.020 + 0.004
100 Hz to 20 kHz
0.06 + 0.04
0.005 + 0.004
20 kHz to 50 kHz
0.12 + 0.05
0.011 + 0.005
50 kHz to 100 kHz
0.60 + 0.08
0.060 + 0.008
100 kHz to 300 kHz
4.00 + 0.50
0.200 + 0.020
1.000000 V
to
750.000 V
20 Hz to 45 Hz
0.70 + 0.03
0.070 + 0.003
45 Hz to 100 Hz
0.20 + 0.03
0.020 + 0.003
100 Hz to 20 kHz
0.06 + 0.03
0.005 + 0.003
20 kHz to 50 kHz
0.11 + 0.05
0.011 + 0.005
50 kHz to 100 kHz
0.60 + 0.08
0.060 + 0.008
100 kHz to 300 kHz
4.0 + 0.50
0.200 + 0.020
• Sampling rate: 2.5 S/s
• Sine wave input.
• Maximum allowable voltage 750 Vrms or 1100 Vpeak and DC content are ±500 V or less.
• 750 V range is limited to 100 kHz or 8×10
7
V*Hz.
• Crest factor (CF) guarantees either 5 or smaller of maximum input voltage.
4.2.2.3 Additional error by AC filter setting
Unit: ± (% of reading)
AC filter
20 Hz to 40 Hz
40 Hz to 100 Hz 100 Hz to 200 Hz 200 Hz to 1 kHz
Over 1 kHz
MID
0.22
0.06
0.01
0
0
HIGH
0.73
0.22
0.18
0
4.2.2.4 Additional tolerance by crest factor
Unit: ± (% of range)
Crest factor
Additional error of Crest Factor
Additional error of bandwidth
1-2
0.1
0.00015 × f
2-3
0.3
0.00024 × f
3-4
0.5
0.00060 × f
4-5
1.2
0.00150 × f
*f is basic frequency [Hz] of input signal.
