Datasheet
Digital Multimeters — Tektronix DMM4050 and DMM4040
AC Voltage Specifications
AC Voltage spec
ifications are for AC sinewave signals >5% of range. For inputs from
1% to 5% of range and <50 kHz, add an additional error of 0.1% of range, and for
50 kHz to 100 kHz, add 0.13% of range.
Characteristic
Description
Maximum Input 1000 V
RMS
or 1414 V peak or 8 × 10
7
Volts-Hertz product
(whichever is less) for any range
Measurement Method
AC-coupled true RMS. Measures the AC component of
input with up to 1000 VDC bias on any range
AC Filter Bandwidth
Slow
3Hz–300kHz
Medium 20 Hz – 300 kHz
Fast 200 Hz – 300 kHz
Common Mode
Rejection
70 dB at 50 Hz or 60 Hz ±0.1% (1 k unbalance)
Maximum Crest Factor 5:1 at Full S cale
Additional Crest Factor
Errors (<100 Hz)
Crest factor 1-2, 0.05% of full scale
Crestfactor2-3,0.2%offullscale
Crestfactor3-4,0.4%offullscale
Crestfactor4-5,0.5%offullscale
Only applies f or non-sinusoid signals
Input Characteristics
ResolutionRange Resolution
4½ Digits 5½ Digits 6½ Digits
Input Impedance
100 mV 100.0000 mV 10 V1V 100 nV
1 V 1.000000 V 100 V10V1V
10 V 10.00000 V 1 mV 100 V10V
100 V 100.0000 V 10 mV 1 mV 100 V
1000 V 1,000.000 V 100 mV 10 mV 1 mV
1M ±2% shunted by
<100 pf
www.tektronix.com/dmm405 0_4040 7