20
Accuracy
Refer to the “Specifications” section for operating conditions and temperature coefficient.
Accuracy is specified as follows: ± (a percentage of the r a fixed amount) at 23 °C ± 5 °C
(73.4 °F ± 9 °F), 0% to 75% relative humidity.
True RMS Readings: Voltage and current accuracies are specified from 10% to 100% of the range
unless otherwise specified. Frequency must be within the specified bandwidth for non-sinusoidal
waveforms. Crest factors are as follows:
• Crest factor < 3:1 at full scale
• Crest factor < 6:1 at half scale
All Models
AC Voltage (AC + DC Voltage on DM-830A and DML-430A Only)
Range
Accuracy at
50 to 60 Hz
Accuracy at
40 to 500 Hz
Accuracy at
500 Hz to 1 kHz
Accuracy at
1 to 3 kHz
Accuracy at
3 to 20 kHz
60.00 mV
± (0.5% +
0.03 mV)
± (0.8% +
0.04 mV)
± (2.0% +
0.03 mV)
± (2% +
0.03 mV)
± (2% +
0.03 mV)
(1)
600.0 mV
± (0.5% +
0.3 mV)
± (0.8% +
0.4 mV)
± (2.0% +
0.3 mV)
± (2% +
0.3 mV)
± (2% +
0.3 mV)
(1)
9.999 V
± (0.5% +
0.003 V)
± (1.0% +
0.004 V)
± (1.0% +
0.004 V)
± (3% +
0.004 V)
3 dB
99.99 V
± (± (0.5% +
0.03 V)
± (1.0% +
0.04 V)
± (1.0% +
0.04 V)
± (3% +
0.04 V)
3 dB
999.9 V
± (0.5% + 0.3 V) ± (2.0% + 0.4 V) ± (2.0% + 0.4 V) ± (3% + 0.4V)
Unspecified
(1)
Specified from 30% to 100% of range
Input Impedance: 10 MΩ, 50 pF nominal (80 pF nominal for 600 mV range)
DC Voltage
Range
Accuracy
60.00 mV
± (0.12% + 0.02 mV)
600.0 mV
± (0.06% + 0.2 mV)
9.999 V
± (0.08% + 0.002 V)
99.99 V
± (0.08% + 0.02 V)
999.9 V
± (0.08% + 0.2 V)
Input Impedance: 10 MΩ, 50 pF nominal (80 pF nominal for 600 mV range)
Summary of Contents for Greenlee DM-810A
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Page 81: ...DM 810A DM 820A DM 830A DML 430A 81...
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