4-6
IM DM7560-02EN
4.2
Specifications of Basic Measuring Function
The Specifications after Chapter 4.2 depends on the following condition and definition.
Temp./humid. : 23 ± 5 °C, 80 %RH or less 1 year accuracy: ± (% reading value +% range)
Response time : Time that enters into accuracy within each range
4.2.1
Direct current voltage measurement (DCV)
4.2.1.1 Accuracy and resolution
Unit: ± (% of r % of range)
Range
Full scale at 6
and 1/2 digits
Resolution
Accuracy
± (% of r % of range)
Temperature coefficient
±(% of r % of range)/°C
Input
impedance
100 mV
119.9999
0.1 μV
0.0050 + 0.0035
0.0005 + 0.0005
1 GΩ or more
or
10 MΩ±1%
1 V
1.199999
1 μV
0.0040 + 0.0007
0.0005 + 0.0001
10 V
11.99999
10 μV
0.0035 + 0.0005
100 V
119.9999
0.1 mV
0.0045 + 0.0006
10 MΩ±1%
1000 V
1100.000
1 mV
0.0045 + 0.0010
• Sampling rate
: 1 S/s
• Maximum allowable voltage
100 mV to 100 V range
: ±800 Vpeak (continuous), ±1100 Vpeak (for 1 minute)
1000 V range
: ±1100 Vpeak (continuous)
• Response time
: Within 1 second
4.2.1.2 Noise rejection
PLC
NMRR
50 Hz/60 Hz±0.1%
CMRR
50 Hz/60 Hz*±0.1%
Unbalance resistance1 kΩ
Multiple of 1PLC
55 dB
120 dB
Other than above
0 dB
−
* 50 Hz/60 Hz: Power frequency
4.2.2
Alternating current voltage (ACV)
4.2.2.1 Resolution and measuring range
True RMS, crest factor :<5
Range
Full scale
Resolution
Measuring range
Input impedance
MID
HIGH
100 mV
119.9999
0.1 μV
20 Hz to 300 kHz
200 Hz to 300 kHz
Approx. 1 MΩ//
100 pF or less
1 V
1.199999
1 μV
10 V
11.99999
10 μV
100V
119.9999
0.1 mV
750 V
750.000
1 mV
20 Hz to 100 kHz
200 Hz to 100 kHz
