DMM4020.pdf - 第5页

Digital Multimeters — T ektronix DMM4020 Electrical Speci fi cations DC V oltage Speci fi cati ons Speci fi cations are valid for 5½ digit mode and after at le ast a ha lf-hour warm up. Characteristic Description Maximum I …

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Datasheet
Characteristics
General Specifications
Voltage
Characteristic
Description
100V Setting
90 V to 110 V
120V Setting
108 V to 132 V
220V Setting
198 V to 242 V
240V Setting
216Vto264V
Frequency 47 Hz to 440 Hz
Power Consumption 15 VA peak (10 W average)
Dimensions
Dimension
mm
in.
Height 88 3.46
Width 217 8.56
Depth 297 11.7
Weight kg lb.
Net 2.1 4.6
Display
Vacuum Fluorescent Display, segment
Environment
Characteristic
Description
Temperature
Operating 0 °C to 50 °C
Storage –40 °C to 70 °C
Warm Up
½ hour to full uncertainty specifications
Relative Humidity (noncondensing)
Operating Uncontrolled (<10 °C)
<90%(10°Cto28°C)
<75%(28°Cto40°C)
<45%(40°Cto50°C)
Storage <95% (–40 °C to 70 °C)
Altitude
Operating
2,000 meters
Storage
12,000 meters
Vibration
Complies with MIL-PRF-28800F Class 3
Safety Complies with IEC 61010-1:2001, ANSI/ISA 61010-1
(S82.02.01):2004, UL 61010-1:2004, CAN/CSA C22.2
No. 61010.1:2004, CAT I 1000V / CAT II 600 V
EMC Des
ignedtocomplywithIEC
613
26-1:1997+A1:1998+A2:2000
Triggering
Characteristic
Description
Trigger Delay 400 ms
External Trigger Delay <2 ms
External Trigger Jitter <1 ms
Trigger Input TTL Levels
Trigger Output
5Vmax
Math Functio
ns
Min/Max, relative, hold, compare, and dB functions
Multiple Measurement Combinations
Primary Fu nction
Secondary
Function
DC V AC V DC I AC I FREQ OHMS
DC V
XXXX
AC V
XXXXX
DC I
XXXX
AC I
XXXX
FREQ
XX
OHMS
X
Electrical
Characteristic
Description
Input Protection 1000 V all ranges
Overrange 10% on the largest ranges of all functions except
continuity and diode test
Remote Interfaces
RS-232
C (RS-232 to USB Adapter cable included)
Warranty
Three years
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Digital Multimeters — Tektronix DMM4020
Electrical Specifications
DC Voltage Specifications
Specifications are valid for 5½ digit mode and after at least a half-hour warm up.
Characteristic
Description
Maximum Input 1000 V on any range
Common Mode
Rejection
120 dB at 50 or 60 Hz 0.1% (1 kΩ unbalance)
Normal Mode Rejection
80 dB at Slow Rate
A/D Nonlinearity 15 ppm of range
Input Bias Current <30 pA at 25 °C
Settling Considerations Measurement settling times are affected by source
impedance, cable dielectric characteristics, and input
signal changes
Input Cha
racteristics
ResolutionRange
Full Scale
(5½ Digits)
Slow
Medium Fast
Input Impe dan ce
200 mV 199.999 mV 1 μV10μV10μV
>10 GΩ*
2
2 V 1.99999 V 10 μV100μV100μV
>10 GΩ*
2
20 V 19.9999 V 100 μV1000μV 1000 μV
10 MΩ ±1%
200 V 199.999 V 1 mV 10 mV 10 mV
10 MΩ ±1%
1000 V 1000.00 V 10 mV 100 mV 100 mV
10 MΩ ±1%
*
2
At som
e dual-display measurements, the input impedance of 200 mV and 2 V ranges may be changed to 10 MΩ.
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 mV 0.01 + 0.003 0.015 + 0.004 0.0015 + 0.0005
2 V 0.01 + 0.002 0.015 + 0.003 0.001 + 0.0005
20 V 0.01 + 0.003 0.015 + 0.004 0.0020 + 0.0005
200 V 0.01 + 0.002 0.015 + 0.003 0.0015 + 0.0005
1000 V 0.01 + 0.002 0.015 + 0.003 0.0015 + 0.0005
*
3
Uncertainty given as ±(% of reading + % of range).
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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).
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