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2000 Datasheet

  • 2000

  • MULTIMETER 6.5 DIGIT

  • 280頁

  • ETC

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上傳產(chǎn)品規(guī)格書

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Basic Measurements
2-19
Figure 2-4
DC and AC voltage
measurements
Model 2000
REM STEP SCAN CH1
TALK
LSTN
SRQ
SHIFT
FAST
TIMER
HOLD TRIG
CH2
CH3
CH4
CH5
CH6
CH7
CH8 CH9
CH10 MATH
REAR
4W
MED
SLOW REL
FILT
AUTO
ERR
BUFFER STAT
2001
MULTIMETER
DC Voltage
Source
Input Resistance = 10M鈩?on 1000V and 100V ranges ;
> 10G鈩?on 10V, 1V and 100mV ranges.
Caution
: Maximum Input = 1010V peak
Model 2000
REM STEP SCAN CH1
TALK
LSTN
SRQ
SHIFT
FAST
TIMER
HOLD TRIG
CH2
CH3
CH4
CH5
CH6
CH7
CH
8
CH9
CH1
0
MATH
REAR
4W
MED
SLOW REL
FILT
AUTO
ERR
BUFFER STAT
2001
MULTIMETER
AC Voltage
Source
Input Impedence = 1M鈩?and 100pF
Caution:
Maximum Input = 750V RMS, 1000V peak, 8 x 10
7
V鈥z
Low level considerations
For sensitive measurements, external considerations beyond the Model 2000 affect the accu-
racy. Effects not noticeable when working with higher voltages are signi鏗乧ant in microvolt sig-
nals. The Model 2000 reads only the signal received at its input; therefore, it is important that
this signal be properly transmitted from the source. The following paragraphs indicate factors
that affect accuracy, including stray signal pick-up and thermal offsets.
Shielding
AC voltages that are extremely large compared with the DC signal to be measured may pro-
duce an erroneous output. Therefore, to minimize AC interference, the circuit should be shield-
ed with the shield connected to the Model 2000 INPUT LO (particularly for low level sources).
Improper shielding can cause the Model 2000 to behave in one or more of the following ways:
鈥?/div>
鈥?/div>
鈥?/div>
Unexpected offset voltages.
Inconsistent readings between ranges.
Sudden shifts in reading.
To minimize pick-up, keep the voltage source and the Model 2000 away from strong AC mag-
netic sources. The voltage induced due to magnetic 鏗倁x is proportional to the area of the loop
formed by the input leads. Therefore, minimize the loop area of the input leads and connect each
signal at only one point.
NOTE
Shielded cables should be used for input circuits to avoid interference caused by
conducting RF.

2000 產(chǎn)品屬性

  • Heyco

  • 電纜固定件和配件

  • Bushings

  • Nylon

  • Snap In

  • Black

  • 7.9 mm

  • 3.2 mm

  • 20000

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