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PicoScope 4444 USB-oscilloskop
  • PicoScope 4444 USB-oscilloskop
  • PicoScope 4444 USB-oscilloskop
  • PicoScope 4444 USB-oscilloskop
  • PicoScope 4444 USB-oscilloskop
  • PicoScope 4444 USB-oscilloskop

PicoScope 4444 USB-oscilloskop

PQ088
Bedømmelse 

High-resolution differential USB oscilloscope.
The PicoScope 4444 and its accessories offer accurate and detailed measurement for a multitude of applications.

Key features:

  • 4 fully differential high-impedance inputs 
  • 20 MHz bandwidth 
  • Flexible 12 and 14-bit resolution 
  • 256 MS deep memory 
  • Rejects common-mode noise 
  • Interface for intelligent probes and clamps 
  • Low-voltage probe for millivolts to 50 V 
  • 1000 V CAT III probe for high-voltage applications
9.653,00 kr.
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Beskrivelse

High-end oscilloskop
Kernen i hvert PicoScope 4444 er et avanceret oscilloskop, der tilbyder alt, hvad du ville forvente og meget mere, herunder:

  • 10 000 waveform circular buffer
  • Op til 100 000 waveforms pr. sekund opdateringshastighed
  • Dekodning af seriel bus
  • Mask limit testing
  • Avanceret matematik og filtrering
  • Målinger med statistik
  • Avanceret digital trigger
  • USB 3.0 forbindelse og strømforsyning

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Intelligent differential inputs
With a traditional oscilloscope probe, single-ended measurements are made between a high-impedance input and a low-impedance ground.

With a differential oscilloscope, measurements are made between two high-impedance inputs, allowing measurements to be made across components and test points where neither side is grounded. Differential inputs also reject common-mode noise: noise picked up equally on both high-impedance inputs is rejected.

Each of the four input channels on the PicoScope 4444 features an intelligent probe interface that detects and identifies compatible probes, and powers them where necessary. Each channel can have its own choice of voltage or current probe.

Non-attenuating probes allow high-resolution, low-noise measurement of signals ranging from millivolts to ±50 V. Attenuating probes allow signals up to 1000 V CAT III to be measured. Current probes are available for currents up to 2000 A.

ps4444-intelligent-differential-inputs.jpg

PicoConnect 441: Mål fra millivolt til ±50V
The PicoConnect 441 differential voltage probes are suitable for voltages up to ±50 V (for higher voltages see the PicoConnect 442). The probes are fitted with industry-standard 4 mm connectors and supplied with detachable sprung hook probe tips. Other 4 mm accessories such as multimeter probes and crocodile clips are available separately.

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As well as measuring non-grounded voltage signals, differential inputs are ideal for measuring current through sensing resistors. As neither side needs to be grounded, they can make high-side measurements. The sensitive input ranges, high resolution and fast sampling are ideal for measuring fast-changing currents in battery-powered and IoT devices.

The high-impedance, high-resolution inputs are also suited to biological and scientific research, as they allow measurements on low-level millivolt signals (2 mV/div at 12 bits) in the presence of common-mode noise without the need for expensive differential preamplifiers or differential oscilloscope probes. The probe is constructed with twinax cable (twisted-pair inner conductors with an outer shield) to ensure a high common-mode rejection ratio (CMRR). The outer screen of the cable can optionally be connected to a signal ground to improve rejection of common mode voltages and currents.

The PicoConnect 441 probes are also ideal for measuring differential signal sources such as CAN bus and balanced audio on a single channel, and can be used to directly measure from bridge-type sensors such as load cells and pressure sensors.

PicoConnect 442: 1000 V CAT III prober
The PicoConnect 442 is an attenuating differential voltage probe that increases the input range to 1000 V to allow the safe and cost-effective measurement of single-phase, three-phase and other signals, such as those found in motor drives and inverters.

The PicoConnect 442 probe requires no power supply or batteries. This makes it ideal for mains quality measurement and other long-term measurements.

ps4444-powermeasurement.jpg

The differential inputs of the PicoScope 4444 allow each channel to measure signals with different common-mode voltages. As an example, consider the battery pack in an electric vehicle. You can measure across the whole pack using one channel set to an input range of ±500 V, and at the same time set the other channels to ±5 V to measure across individual cells. This arrangement allows you to take advantage of the full resolution of the oscilloscope.

TA300 og TA301 strømprober
Two different current probes are available with Pico D9 interfaces. Both use the Hall effect to measure AC and DC currents without direct connection to the cable. The intelligent probe interface powers the probes, so no batteries are required. It also means that when you connect either probe, PicoScope software identifies it and configures the oscilloscope to read in amperes.

TA300-strømproben er en 40 A-probe, der er velegnet til måling af signaler fra DC til 100 kHz. Det er en præcisionsprobe til mindre strømme og kan måle ned til få milliampere.

Ta301-strømproben er en 200/2000-probe med omskiftbar måleområde. En probe, der er egnet til måling af signaler fra DC til 20 kHz båndbredde.

In addition to the TA300 and TA301, Pico stocks a wide range of AC and DC current clamps with BNC connectors that can be connected to the PicoScope 4444 using the TA271 D9 to BNC adaptor.

Powerful and portable
Just load the software, plug in the USB cable and you are up and running in minutes. Saving and printing are easy: PicoScope users can take copying waveforms into reports for granted.

On the bench, a PicoScope saves valuable space and can be placed right by the unit under test.

Laptop users benefit even more: with no power supply required you can now carry an oscilloscope with you all the time in your laptop bag. Perfect for the engineer on the move.

With our scopes, high-end features such as serial decoding, mask limit testing, advanced math channels and segmented memory are all included in the price.

To protect your investment, both the PC software and firmware inside the scope can be updated. Pico has a 26-year history of providing new features for free through software downloads. We deliver on our promises of future enhancements year after year.

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Brugere af vores produkter belønner os ved at blive livslange kunder og ofte anbefale os til deres kolleger.

Typiske applikationer

  • Non-ground-referenced målinger
  • Sikker måling af enkelt- og 3-faset spændinger og -strømme
  • Måling af strømtræk på mobile- og IoT-enheder
  • Kvalitetstest af lysnettet
  • SMPS design
  • Design af hybrid- og elbiler
  • Motor drives og inverters
  • Biomedicinsk elektronik
  • Måling af differentielle signaler (CAN, balanced audio) med en enkelt kanal
Produktoplysninger
PQ088

Produktinformation

Kanaler
4
Båndbredde
20 MHz
Buffer Memory
256 MS
Opløsning
14 bits
Differentielle indgange
Ja
Datablade & Brochurer
Download
Anmeldelser

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PicoScope 4444 USB-oscilloskop

PicoScope 4444 USB-oscilloskop

High-resolution differential USB oscilloscope.
The PicoScope 4444 and its accessories offer accurate and detailed measurement for a multitude of applications.

Key features:

  • 4 fully differential high-impedance inputs 
  • 20 MHz bandwidth 
  • Flexible 12 and 14-bit resolution 
  • 256 MS deep memory 
  • Rejects common-mode noise 
  • Interface for intelligent probes and clamps 
  • Low-voltage probe for millivolts to 50 V 
  • 1000 V CAT III probe for high-voltage applications
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