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New scope offers four true differential channels

Press Release Image of PicoScope 4444

PS4444 Press Release Image

Power Measurement PS4444

PS4444 Waveform

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PicoScope 4444 enables high-resolution measurements of differential voltage waveforms

March 13th 2017 - Pico Technology, market leader in PC oscilloscopes and data loggers, today introduced the PicoScope 4444 high-resolution differential oscilloscope. This instrument features four true differential input channels and a range of accessories for measurements from millivolt to 1000 V CAT III applications. The new PicoScope addresses the perennial problem of making accurate voltage waveform measurements on circuit elements that are not ground-referenced, without the risk of short circuits that could damage the device under test or the measuring instrument.

“Building on the success of PicoScope 4000 Series high-resolution oscilloscopes, the PicoScope 4444 gives electrical engineers the freedom to make differential voltage measurements in the presence of common-mode signals,” said Trevor Smith, Business Development Manager, Test & Measurement, at Pico Technology. “The new instrument has 14-bit resolution on four channels and 256 megasample capture memory, so is ideal for precise analysis of complex waveforms ranging "from biomedical sensors to current probes and 1000 V CAT III power distribution circuits.”

Scientists and electronics engineers frequently need to make low-voltage measurements in the presence of high common-mode noise or varying offset voltages. Ground-referenced oscilloscopes require use of two input channels and an A–B math function to observe the differential signal of interest. But, as well as this requiring two input channels, most scopes don’t have a high enough common-mode rejection ratio (CMRR), nor the resolution to make measurements with sufficient precision.

Engineers working on polyphase power distribution systems need to measure phase-to-phase AC voltages, rather than phase to ground. A ground-referenced scope can’t be used as it will cause a short circuit. External differential probes are a solution but they are quite expensive and cumbersome, with each probe requiring its own power supply.

The PicoScope 4444 has differential inputs and a choice of 1:1 low-voltage and 25:1 1000V CAT III probes to address both of these problems.

Furthermore, the scope has a novel intelligent probe interface that, in addition to delivering the differential signal to be measured, can also provide power for active probes such as Hall Effect AC/DC type active current probes. The scope detects when a compatible probe is connected and sets the corresponding units and vertical settings in the PicoScope 6 software. Compatible probes available at launch are:

              PicoConnect 441 passive differential 1:1 20 MHz voltage measurement probe

              PicoConnect 442 1000 V CAT III passive differential 25:1 10 MHz voltage measurement probe

              TA300 40 A AC/DC 300 V CAT III, 100 kHz current measurement probe

              TA301 200/2000 A AC/DC, 150 V CAT II, 20 kHz, current measurement probe

              TA299 D9-dual BNC adaptor

              TA271 D9-BNC adaptor

Pricing and availability

PicoScope 4444 will be available from Pico Technology distributors as follows:

PicoScope 4444 standard kit, consisting of a PicoScope 4444, three PicoConnect 441 differential 1:1 probes and one TA271 D9-BNC adaptor. $1,535 / €1,325 / £1,075.

PicoScope 4444 1000 V CAT III kit, consisting of a PicoScope 4444, three PicoConnect 442 1000 V CAT III 25:1 differential probes and one TA271 D9-BNC adaptor. $1,915 / €1,625 / £1,345.

The product and accessories will start shipping in March 2017.

Full product page for the 4444

About Pico Technology

Queens Award_InternationalTrade2014Pico Technology has spent over 20 years leading the industry in the design, development and manufacture of high-performance PC Oscilloscopes and Data Loggers, while engineers at our Eastern Europe office have been working in the RF and microwave market since 1974.

Together we have built up an impressive and innovative portfolio of small-footprint, high-performance products and software, often at uniquely low prices. Examples are the PicoScope PC Sampling Oscilloscope range with bandwidths up to 20 GHz; real-time oscilloscopes with fixed and flexible hardware resolutions up to 16 bits, deep buffer memories and mixed-signal capability; the TC-08 and PT‑104 Temperature Data Loggers; and the multi-award-winning Automotive Oscilloscope Kit.

More information on Pico Technology can be found at:

www.picotech.com

 

Pico Technology and PicoScope are internationally registered trademarks of Pico Technology.  Pico Technology is registered at the U.S. Patents and Trademarks Office.

Please direct all editorial enquiries to:

Gerry Cassel - Nat'l Sales Manager

Distributor for North America
INTERWORLD ELECTRONICS &
COMPUTER INDUSTRIES INC.


Tel: 1-877-902-2979 - Int'l: 1-425-223-4311
Fax: 1-877-902-2979

E: info@interworldna.com
W: http://www.interworldna.com



 

 
 
 
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