Function
Range
[1]
Frequency Range
1 year
23℃ ± 5℃
10.0000 A (for
DM858)
[4]
20 Hz to 45 Hz 1.50 + 0.15
45 Hz to 1 kHz 0.50 + 0.15
1 kHz to 8 kHz 2.50 + 0.20
Additional Crest Factor Error (non-sinusoidal waveforms)
[5]
Crest Factor Error (% of range)
1 to 2 0.05
2 to 3 0.2
True RMS AC Voltage (ACV)
Measurement
Method
AC-coupled True-RMS - measure the AC component of input with
up to 1000 V DC bias on any range
Crest Factor ≤3 at full scale
Input
Impedance
11.2 MΩ ± 5%, in parallel with <100 pF capacitance on any range
AC Filter
Bandwidth
20 Hz to 8 kHz
CMRR
(Common
Mode Rejection
Ratio)
60 dB (for the 1 kΩ imbalance resistance in LO lead and <60 Hz,
max. ±500 VDC)
True RMS AC Current (ACI)
Measurement
Method
Direct coupled to the fuse and shunt; AC-coupled True RMS
measurement (measure the AC component)
Crest Factor ≤3 at full scale
Max. Input
DC + AC current peak value <300% of range;
RMS current with DC current component: DM858: <10 A; DM858E:
<3 A
Shunt Resistor
100 μA, 1 mA: 330 Ω
10 mA, 100 mA: 3.3 Ω
1 A, 3 A, 10 A: 0.008 Ω (3 A only available for DM858E and 10 A
only available for DM858)
Input
Protection
DM858: replaceable 10 A, 250 V fast-blow fuse on the front panel;
12 A, 1000 V fast-blow fuse internal
DM858E: replaceable 3.15 A, 250 V fast-blow fuse on the front
panel; 3.15 A, 1000 V fast-blow fuse internal
Specifications
DM858 Series User Guide
130
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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