PICO推出Differential USB Oscilloscope PicoScope 3425

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您需要量測 floating 或 non-ground referenced 的信號嗎?
您需要量測 具有50Hz 或 60Hz 的common-mode 雜訊的信號嗎?
有了 PicoScope 3425 differential oscilloscope 您就不再需要昂貴的 differential preamplifiers 或 probes.
 

 

大部份的示波器只能量測 referenced to ground 的信號和只有 “single ended inputs” 但是 PicoScope 3425 具有四個 fully differential inputs 這個功能讓您可以量測那些non- referenced to ground的信號.

因為具備了最大400V 的common mode 和 differential 的範圍. 讓PicoScope 3425 有能力可以量測高壓與低壓的信號. 典型的高壓量測應用包括了抓取switch mode power supplies的波形, Telephone Cables, motor inverters 和 hybrid vehicles. 高阻抗的 differential 輸入 同時也可以量測靈敏的放大器和 bridge type sensors 如 pressure, load 和 strain.

 

主要功能:

PicoScope 3425 PC Oscilloscope 規格

Oscilloscope
Bandwidth 5 MHz
(3MHz on 100 mV range)
Channels 4
Vertical resolution 12 bits
Enhanced vertical resolution 16 bits
Maximum sampling rate (single shot)
One channel in use
Two channels in use
Three or four channels in use

20 MS/s
10 MS/s
5 MS/s
Record length
One channel enabled, up to 100 ms/div
Two channels enabled, up to 100 ms/div
Three or four channels enabled, up to 100 ms/div
Over 100 ms/div

512 kS/channel
256 kS/channel
128 kS/channel
2 MS/channel
Waveform buffer Up to 1000 waveforms
Input impedance 12.4 MΩ (on 100 mV to 5V ranges)
10.1 MΩ (on 10 V to 400V ranges)
Input capacitance 12 pF
Input type Differential voltage,
Touch-proof BNC connectors with 4 mm GND sockets
Input coupling Software selectable AC/DC
Input voltage ranges 100 mV to 400 V in 12 ranges
Common-mode voltage range
To ensure measurement accuracy
30 V (on 100 mV to 5 V ranges)
400 V (on 10V to 400V ranges)
Maximum safe voltages
Differential
Any input above scope GND

400 V
400 V (600 V transient)
Measurement category rating CAT 1
Accuracy
Voltage
Time

±1 %
50 ppm
Linearity 12 bits
Noise < 10 LSB

 


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最後更新日期: 2008-02-25

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