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9322 데이터시트(HTML) 1 Page - ASM GmbH

부품명 9322
상세내용  Introducing a new 3-function universal probe
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제조사  ASM-SENSOR [ASM GmbH]
홈페이지  http://www.asm-sensor.com
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9322 데이터시트(HTML) 1 Page - ASM GmbH

   
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3-phase inverter waveform recording example
DIFFERENTIAL PROBE
9322
•Floating measurement of high-voltage waveforms
•Detection of power supply surge noise
•RMS rectified output
Introducing a new 3-function universal probe
3-phase inverter output circuit
(Floating measurement is essential due to varying emitter potentials of each phase.)
Product outline and features
3 kinds of measurement with a single probe
The DIFFERENTIAL PROBE 9322 provides floating measurement of
high voltage waveforms, detection of surge noise on power supply lines,
and true RMS rectified output of high voltage AC.
Works with a variety of power supplies, such as an
AC adapter or logic terminal
For operation, convenience is the key. Operating power for the
DIFFERENTIAL PROBE 9322
can be supplied from the standard
logic terminals of a MEMORY HiCORDER or the clamp sensor input
terminals of an F/V UNIT 8940, as well as from the probe's own AC
ADAPTER 9418-15
.
Floating measurement of high-voltage waveforms
(DC mode)
When measuring the potential difference in signals containing
a large common mode voltage component on commercial power
lines, an electrocution hazard exists unless measurement is done
using an instrument with fully isolated inputs, such as a MEMORY
HiCORDER. When measuring signals carrying common mode
voltages with a high frequency component (such as those produced by
inverter control circuits and switching power supplies), measurements
are greatly affected by the rate of common mode elimination at the
isolated inputs. Although MEMORY HiCORDERs provide the greatest
possible to-ground voltage rating (ordinarily 400V AC or DC), use of
the DIFFERENTIAL PROBE 9322 raises the rating level to 1500V
AC (CAT II), 600V AC (CAT III), allowing measurement of circuits
carrying even larger common mode voltages. Potential differences can
be measured for input voltages of up to 2000V DC or 1000V AC (CAT
II), 600V AC/DC (CAT III), producing a 1/1000 divided output.
Measurement of power line surge noise (AC mode)
Upon selecting the AC output mode, the AC coupled signal inside the
probe is divided by 1000 for output. Since the probe's frequency range
is from 1kHz to 10MHz, output waveforms are produced only when
input voltages contain high frequency components, such as surge noise
imposed on 50/60Hz commercial mains power. The probe can thus
serve as either a noise detector or for measurement of wave peaks.
Provides output of true RMS rectified voltages (RMS
mode)
Upon selecting the RMS output mode, the input signal is divided by
1000, rectified to obtain the true RMS value, then output as a direct
current voltage. True RMS rectification is performed by an analog
circuit with a bandwidth of 40Hz to 100kHz, allowing true RMS
conversion of signals containing high frequency components, such as
inverter output waveforms, as well as 50/60Hz commercial mains.
Main Applications
Measurement of potential differences included in common mode
voltages, such as IGBT
Measurement of commercial power line waveforms, such as on 400V
power lines
Measurement of high voltage surge noise waveforms
Measurement of the RMS value of inverter outputs, etc.


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