3900 Platform Specifications
Subject to Export Control, see Cover Page for details.
B-21
Digital Multimeter (3920 Option)
AC/DC Voltmeter
Full Scale Ranges
200 mV, 2 V, 20 V, 200 V, 2,000 V, Auto
(150 VAC RMS or VDC maximum input, Category II)
Resolution
3 1/2 digits (2000 counts)
Accuracy
DC: ±1% FS, ±1 count
AC: ±5% FS, ±1 count
AC Volts Frequency Range
50 Hz to 20 kHz
AC/DC AM Meter
Full Scale Ranges
200 mA, 2 A, 20 A, Auto
(20 A range uses optional external shunt connected to Voltmeter)
Maximum Open Circuit Input Voltage
30 Vrms referenced to Common or Earth Ground, Category I
Resolution
3 1/2 digits (2000 counts)
Accuracy
DC: ±5% FS, ±1 count
AC: ±5% FS, ±1 count
AC Volts Frequency Range
5 Hz to 10 kHz
Ohm Meter
Full Scale Ranges
200 Ω, 2 k Ω, 20 k Ω , 200 k Ω, 2 M Ω, 20 M Ω , Auto
Resolution
3 1/2 digits (2000 counts)
Accuracy
±5% FS, ±1 count
External Shunt (Optional Accessory)
Rating (Category I)
10 AMPS, 100 mV
20 AMPS, ON 1 minute, OFF 4 minutes
Accuracy (18 to 28 degrees C)
DC to 10 kHz, ±0.25%
Temperature Coefficient
0.005 % / degrees C
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