DMM4020.pdf - 第7页

Digital Multimeters — T ektronix DMM4020 Resistance Speci fi cations are for 4-wi re resistance function, or 2-wir e resistance w ith REL. If REL is not used, add 0.2 Ω for 2 -wire resistance plus lead resistance. Charact…

100%1 / 12
Datasheet
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 750 V
RMS
or 1000 V peak or 8 × 10
7
Volts-Hertz product
Measurement Method
AC-coupled true RMS. Measures the AC component of
input with up to 1000 VDC bias on any range
AC Filter Bandwidth
20 Hz - 100 kHz
Common Mode
Rejection
60 dB at 50 Hz or 60 Hz (1 kΩ unbalance)
Maximum C rest Factor 3:1 at Full Scale
Additional Crest Factor
Errors (<100 Hz)
Crest Factor 1-2, 0.05% of full scale
CrestFactor2-3,0.2%offullscale
Only applies for non-sinusoid signals
Input Characteristics
ResolutionRange
Full Sca
le
(5½ Digi
ts)
Slow
Medium Fast
Input Impe dan ce
200 mV 199.999 mV 1 μV10μV10μV
2 V 1.99999 V 10 μV100μV100μV
20 V 19.9999 V 100 μV1000μV 1000 μV
200 V 199.999 V 1 mV 10 mV 10 mV
750 V 750.00 V 10 mV 100 mV 100 mV
1MΩ ±2% shunted by
<100 pf
Accuracy
Uncertainty*
3
90 d ay
s
1 year
Range Frequ
ency
23 °C ± 5 °C 23 ° C ±5 °C
Temperature C oef ficien t/°C
Outside 18 - 28 °C
20 Hz -
45 Hz
0.8 + 0
.05
0.9 + 0
.05
0.01 +
0.005
45 Hz -
20 kHz
0.15 +
0.05
0.2 + 0
.05
0.01 +
0.005
20 kH
z-50kHz
0.3 +
0.05
0.35
+0.05
0.01
+ 0.005
200 mV
50 kH
z-100kHz
0.8 +
0.05
0.9 +
0.05
0.05
+0.01
20 Hz
-45Hz
0.8 +
0.05
0.9 +
0.05
0.01
+ 0.005
45 Hz
-20kHz
0.15
+0.05
0.2 +
0.05
0.01
+ 0.005
20 kH
z-50kHz
0.3 +
0.05
0.35
+0.05
0.01
+ 0.005
2V
50 k
Hz - 100 kHz
0.8
+0.05
0.9
+0.05
0.0
5+0.01
20 H
z-45Hz
0.8
+0.05
0.9
+0.05
0.0
1 + 0.005
45 H
z-20kHz
0.1
5 + 0.05
0.2
+0.05
0.0
1 + 0.005
20 k
Hz - 50 kHz
0.3
+0.05
0.3
5 + 0.05
0.0
1 + 0.005
20 V
50 k
Hz - 100 kHz
0.8
+0.05
0.9
+0.05
0.0
5+0.01
20 H
z-45Hz
0.8
+0.05
0.9
+0.05
0.0
1 + 0.005
45
Hz - 20 kHz
0.
15 + 0.05
0.
2 + 0.05
0.
01 + 0.005
20
kHz - 50 kHz
0.
3 + 0.05
0.
35 + 0.05
0.
01 + 0.005
200
V
50
kHz - 100 kHz
0.
8 + 0.05
0.
9 + 0.05
0.
05 + 0.01
20
Hz - 45 Hz
0.
8 + 0.05
0.
9 + 0.05
0.
01 + 0.005
45
Hz - 20 kHz
0.
15 + 0.05
0.
2 + 0.05
0.
01 + 0.005
2
0kHz-50kHz
0
.3 + 0.05
0
.35 + 0.05
0
.01 + 0.005
75
0V
5
0kHz-100kHz
0
.8 + 0.05
0
.9 + 0.05
0
.05 + 0.01
*
3
Uncertainty given as ±(% of reading + % of range).
6 www.tektronix.comdmm
Digital Multimeters — Tektronix DMM4020
Resistance
Specifications
are for 4-wire resistance function, or 2-wire resistance with REL. If
REL is not used, add 0.2 Ω for 2 -wire resistance plus lead resistance.
Characteristic
Description
Measurement Method
Current source referenced to LO input
Max Lead Resistance
(4-wire ohms)
10% of range per lead for 200 Ω,2kΩ ranges. 1 kΩ
per lead on all other ranges
Input Protection 1000 V on all ranges
Input Characteristics
ResolutionRange
Full Scale
(5½ Digits)
Slow
Medium Fast
Current Source
200 Ω 199.999 Ω 0.001 Ω 0.01 Ω 0.01 Ω
0.8 mA
2kΩ 1.99999 kΩ 0.01 Ω 0.1 Ω 0.1 Ω
0.8 mA
20 kΩ 19.9999 kΩ 0.1 Ω 1 Ω 1 Ω
0.08 mA
200 kΩ 199.999 kΩ 1 Ω 10 Ω 10 Ω
0.008 mA
2MΩ 1.99999 MΩ 10 Ω 100 Ω 100 Ω
0.9 μA
20 MΩ 19.9999 MΩ 100 Ω 1kΩ 1kΩ
0.16 μA
100 MΩ 100.000 MΩ 1kΩ 10 kΩ 10 kΩ 0.16 μA||10MΩ
Accuracy
Uncertai
nty*
3
90 days 1 year
Range
23 °C ±5 °
C
23 °C ±5 °
C
Temp erat
ure Coefficient/°C
Outside 1
8-28°C
200 Ω
0.02 + 0.004 0.03 + 0.004 0.003 + 0.0006
2kΩ
0.015 + 0.002 0.02 + 0.003 0.003 + 0.0005
20 kΩ
0.015 + 0.002 0.02 + 0.003 0.003 + 0.0005
200 kΩ
0.015 + 0.002 0.02 + 0.003 0.003 + 0.0005
2MΩ
0.03 + 0.003 0.04 + 0.004 0.004 + 0.0005
20 MΩ
0.2 + 0.003 0.25 + 0.003 0.01 + 0.0005
100 MΩ
1.5 + 0.004 1.75 + 0.004 0.2 + 0.0005
*
3
Uncertainty given as ±(% of reading + % of range).
www.tektronix.comdmm 7
Datasheet
DC Current
Characteristic
Description
Input Protection
Tool-accessible 11 A / 1000 V and 440 mA / 1000 V
fuses
Shunt Resist
ance
0.01 Ω for 2 A a
nd 10 A ranges
1 Ω for 20 mA an
d200mA
Burden volta
ge <5 mV for 200 μA and 2 mA range
Input Characteristics
ResolutionRange
Full Scale
(5½ Digits)
Slow
Medium Fast
Burden Voltage
200 μA 199.999 μA0.001μA0.01μA0.01μA<5mV
2 mA 1999.99 μA0.01μA0.1μA0.1μA<5mV
20 mA 19.9999 mA 0.1 μA1μA1μA <0.05 V
200 mA 19.9999 mA 1 μA10μA10μA<0.5V
2 A 1.99999 A 10 μA100μA100μA<0.1V
10 A 10.0000 A 100 μA1mA 1mA<0.5V
Accuracy
Uncertainty*
3
90 days 1 year
Range
23 °C ±5 °C 23 °C ±5 °C
Te mp eratu re Coefficient/°C
Outside18-28°C
200 μA 0.02 + 0.005 0.03 + 0.005 0.003 + 0.001
2 mA 0.015 + 0.005 0.02 + 0.005 0.002 + 0.001
20 mA 0.03 + 0.02 0.04 + 0.02 0.005 + 0.001
200 mA 0.02 + 0.005 0.03 + 0.008 0.005 + 0.001
2 A 0.05 + 0.02 0.08 + 0.02 0.008 + 0.001
10 A 0.18 + 0.01 0.2 + 0.01 0.008 + 0.001
*
3
Uncertainty given as ±(% of reading + % of range).
8 www.tektronix.comdmm