PicoScope 3425 differential oscilloscope

Differential Oscilloscope 4 channel

Need to measure floating or non-ground referenced signals? or measure signals in the presence of 50/60Hz common-mode noise?
  • 4 channels
  • 12-bit precision
  • 5 MHz bandwidth
  • 20 MS/s sampling 
  • Spectrum analyzer
  • Advanced digital triggering
  • 400 V differential and 
  • common-mode range
  • USB 2.0 Hi-Speed

Description

For high-accuracy floating measurements

Most oscilloscopes can only measure signals referenced to ground and have what are known as “single–ended inputs”. The PicoScope 3425 has four fully differential inputs that allow you to measure signals that are not referenced to ground.

With a maximum common mode and differential range of 400 V, the PicoScope 3425 is capable of measuring both high voltage and low level signals. Typical high voltage applications include capturing waveforms from switch mode power supplies, telephone cables, motor inverters and hybrid vehicles. The high impedance differential inputs also allow measurements on sensitive amplifiers and from bridge type sensors for pressure, load and strain.

verything you need totake differential measurements

The PicoScope 3425 USB Oscilloscope comes in a tough carry case complete with all the probes, leads, clips and adaptors you need to start taking differential measurements (see the specifications for full details of the supplied hardware and software). Just install the user-friendly software, connect the oscilloscope to a USB port on your Windows PC and you’re ready to go. No complicated set up procedures. No effort required.

Take it with you wherever you go

The PicoScope 3425 doesn’t need to be confined to your lab or workbench. Its small, lightweight design makes it the perfect portable differential oscilloscope, while the anti-slip case means that your scope can be used either horizontally or vertically – ideal when space is at a premium.

Powerful oscilloscope and DAQ software

The PicoScope 3425 comes complete with our feature-rich PicoScope 6 oscilloscope software. Multiple scope and spectrum views, automatic measurements and a waveform buffer for storing multiple events can all be controlled using the familiar Windows interface. Data from PicoScope can be exported in text, binary and graphical formats.

PicoLog data acquisition software is also included along with a software development kit (should you wish to use your PicoScope 3425 in your own applications).

The easy and inexpensive way tomeasure floating voltages

The PicoScope 3425 differential USB oscilloscope allows you to measure floating voltages, and signals where common-mode noise is present, with ease and without the need for expensive differential preamplifiers or probes. The maximum common mode and differential range of 400 V ensures the PicoScope 3425 is suitable for many common applications; while the included accessories and easy-to-use software allow you to get the maximum from your PicoScope, with the minimum of effort.

If you’re looking for an easy and cost-effective way to measure non-ground referenced high voltages or low level signals in the presence of common-mode noise, you need a PicoScope 3425 differential oscilloscope.

Ordering

PP454 PicoScope 3425 4 channel Differential Oscilloscope Kit

Downloads

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Specification

PicoScope 3425 PC Oscilloscope Specifications

Oscilloscope
Bandwidth 5 MHz
(3 MHz on 100 mV range)
Rise time (calculated) 70 ns
Input 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 10000 waveforms
Input impedance 12.4 MΩ (on 100 mV to 5 V ranges)
10.1 MΩ  (on 10 V to 400 V 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 10 V to 400 V 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
PC Requirements
Minimum Processor: 1 GHz
Memory: 512 MiB
Free disk space: 32–bit: 600 MB, 64–bit: 1.5 GB
Operating system: 32– or 64–bit edition of Microsoft Windows XP (SP3), Vista, Windows 7 or Windows 8 (not Windows RT)
Ports: USB 2.0 compliant port
Recommended Processor: 1 GHz
Memory: 512 MiB
Free disk space: 32–bit: 850 MB, 64–bit: 2 GB
Operating system: 32– or 64–bit edition of Microsoft Windows XP (SP3), Vista, Windows 7 or Windows 8 (not Windows RT)
Ports: USB 3.0 compliant port
Environmental
Operating temperature range 0 °C to 40 °C
( 20 °C to 30 °C for quoted accuracy)
Operating humidity range Minimum 5% RH non–condensing
Maximum 80% RH non–condensing,
decreasing linearly to 50% at 40 °C
Storage environment
Temperature range
Humidity
-20 °C to +60 °C
5% to 90% RH, non–condensing
Other environmental conditions Dry environments
Altitudes of up to 2000 m above sea level
No pollution, or only dry, non–conductive pollution
Physical Properties
Dimensions 255 x 170 x 40 mm (approx 10.0 x 6.7 x 1.6 in)
Weight 920 g (approx 2 lb)
Software
PicoScope 6 for Windows PicoScope 6 is your complete test and measurement lab in one application. Features include:
Capture modes: oscilloscope, spectrum and persistence.
Channel maths: calculate the sum, difference, product, inverse or create your own custom function using standard arithmetic, exponential and trigonometric functions.
Mask limiting testing: pass/fail, failure count, total count.
Serial Decoding: decode data from a serial bus such as I²C.
Automated measurements
Scope mode: AC RMS, true RMS, cycle time, DC average, duty cycle, falling rate, fall time, frequency, high pulse width, low pulse width, maximum, minimum, peak–to–peak, rise time and rising rate.
Spectrum mode: frequency at peak, amplitude at peak, average amplitude at peak, total power, total harmonic distortion (THD % and THD dB), total harmonic distortion plus noise (THD+N), spurious-free dynamic range (SFDR), signal+noise+distortion to signal+noise ratio (SINAD), signal to noise ratio (SNR) and intermodulation distortion (IMD).
Export data formats: comma separated values (CSV), tab delimited (TXT), Windows bitmap (BMP), graphics interchange format (GIF), portable network graphics (PNG), MATLAB 4 format (MAT).
Full details for PicoScope 6
PicoLog for Windows PicoLog data acquisition software can collect up to 1 million samples. Features include:
Multiple views — view data as a graph, spreadsheet or text
Parameter scaling — convert raw data into standard engineering units
Math functions — use mathematical equations to calculate additional parameters
Alarm limits — program an alert if a parameter goes out of a specified range
IP networking — transfer measurements via a LAN or over the Internet
Full details on PicoLog
Linux drivers 32–bit drivers and 64–bit drivers
Software development kit Includes drivers and example code for various programming languages including C, C#, C++, Delphi, Excel, LabVIEW and Visual Basic. Download SDK
Language Support
Software
PicoLogPicoScope 6
Full support for: English, Français, Deutsch
Menus and dialogs only for: Italiano, Español, Svenska
Full support for: English, Deutsch, Español, Français, Italiano
Menus and dialogs only for: 中文 (简体), 中文 (繁體), Čeština, Dansk, suomi, Ελληνικά, Magyar, 한국어, 日本語, Norsk, Polski, Português, română, Русский, Svenska, Türkçe
Documentation
User’s guide
Installation guide
Programmer’s guide
English
English, Français, Deutsch, Italiano, Español
English
General
Data sheet English
Additional hardware (supplied) Carry case
USB 2.0 cable
User manuals and software CD–ROM
2 x multimeter test probes
4 x screened BNC to 4 mm plug leads
4 x current clamp adaptors
4 x small crocodile clips
4 x large crocodile clips
8 x sprung hook probes
PC interface USB 2.0 (USB 1.1 compatible)
Power requirements Powered from USB port
Compliance European EMC and LVD standards
FCC Rules Part 15 Class A
RoHS compliant
Total Satisfaction Guarantee In the event that this product does not fully meet your requirements you can return it for an exchange or refund. To claim, the product must be returned in good condition within 14 days.
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