PicoScope 7 Software
Available on Windows, Mac and Linux
PicoScope® 4444
High-resolution differential USB oscilloscope
Vertical | ||
---|---|---|
Oscilloscope specifications | Specifications with PicoConnect 442 1000 V CAT III probe | |
Input channels | 4 channels | 4 channels |
Analog bandwidth (–3 dB) | 20 MHz with D9 to BNC adaptors 15 MHz with PicoConnect 441 probe |
10 MHz |
Rise time (calculated) | 17.5 ns with D9 to BNC adaptors 23 ns with PicoConnect 441 probe |
35 ns |
Bandwidth limit | 100 kHz or 1 MHz (selectable) | 100 kHz or 1 MHz (selectable) |
Vertical resolution, 12-bit mode | 12 bits on most input ranges 11 bits on ±10 mV range |
12 bits |
Vertical resolution, 14-bit mode | 14 bits on most input ranges 13 bits on ±20 mV range 12 bits on ±10 mV range |
14 bits |
Enhanced vertical resolution 12-bit mode |
16 bits on most input ranges 15 bits on ±10 mV range |
16 bits |
Enhanced vertical resolution 14-bit mode |
18 bits on most input ranges 17 bits on ±20 mV range 16 bits on ±10 mV range |
18 bits |
Input type | Differential 9-pin D-subminiature, female |
Differential 9-pin D-subminiature, female |
Input characteristics | 1 MΩ ±1%, in parallel with 17.5 pF ±1 pF (each differential input to ground). < 1 pF difference between ranges. |
16.7 MΩ ±1%, in parallel with 9.3 pF ±1 pF (each differential input to ground) |
Input coupling | AC/DC | AC/DC |
Input sensitivity (10 vertical divisions) |
2 mV/div to 10 V/div | ±0.5 V/div to ±200 V/div |
Input ranges (full scale) | ±10 mV, ±20 mV, ±50 mV, ±100 mV, ±200 mV, ±500 mV, ±1 V, ±2 V, ±5 V, ±10 V, ±20 V, ±50 V |
±2.5 V, ±5 V, ±12.5 V, ±25 V, ±50 V, ±125 V, ±250 V, ±500 V, ±1000 V |
Input common mode range | ±5 V on ±10 mV to ±500 mV ranges ±50 V on ±1 V to ±50 V ranges |
±125 V on ±2.5 V to ±12.5 V ranges ±1000 V on ±25 V to ±1000 V ranges |
DC accuracy (DC to 10 kHz) | ±1% of full scale ±500 µV | ±3% of full scale ±12.5 mV |
Analog offset range | ±250 mV on ±10 mV to ±500 mV ranges ±2.5 V on ±1 V to ±5 V ranges ±25 V on ±10 V to ±50 V ranges |
±6.25 V on ±2.5 V to ±12.5 V ranges |
Analog offset accuracy | 1% of offset setting in addition to basic DC accuracy | 1% of offset setting in addition to basic DC accuracy |
Overvoltage protection | ±100 V DC + AC peak (any differential input to ground) ±100 V DC + AC peak (between differential inputs) |
CAT III 1000V |
Horizontal | |
---|---|
Maximum sampling rate (real-time) 12-bit mode |
1 channel: 400 MS/s 2 channels: 200 MS/s 3 or 4 channels: 100 MS/s |
Maximum sampling rate (real time) 14-bit mode |
50 MS/s |
Maximum sampling rate (USB streaming) | 16.67 MS/s |
Shortest real-time collection time, 12-bit mode |
50 ns (5 ns/div) |
Shortest real-time collection time, 14-bit mode |
200 ns (20 ns/div) |
Longest real-time collection time | 50000 s (5000 s/div) |
Capture memory (block mode) | 256 MS shared between active channels |
Capture memory (USB streaming mode) | 100 MS (shared between active channels) |
Waveform buffers | 10000 |
Collection time accuracy | ±50 ppm (5 ppm/year aging) |
Sample jitter | 3 ps RMS typical |
ADC sampling | Simultaneous sampling on all enabled channels |
Dynamic performance (typical) | ||
---|---|---|
Oscilloscope specifications | Specifications with PicoConnect 442 1000 V CAT III probe | |
Crosstalk | 2000:1 (DC to 20 MHz) | 2000:1 (DC to 10 MHz) |
Harmonic distortion at 100 kHz, 90% FSD | < –70 dB on ±50 mV ranges and higher < –60 dB on ±10 mV and ±20 mV ranges |
< –70 dB |
SFDR | > 70 dB | > 70 dB |
ADC ENOB, 12-bit mode | 10.8 bits | 10.8 bits |
ADC ENOB, 14-bit mode | 11.8 bits | 11.8 bits |
Noise | < 180 µV RMS on ±10 mV range | < 5 mV RMS on ±2.5 V range |
Bandwidth flatness | (+0.1 dB, –3 dB) DC to full bandwidth | (+0.1 dB, –3 dB) DC to full bandwidth |
Common mode rejection ratio | 60 dB typical, DC to 1 MHz | 55 dB typical, DC to 1 MHz |
Triggering | ||||||
---|---|---|---|---|---|---|
Source | Any input channel | |||||
Trigger modes | None, auto, repeat, single, rapid | |||||
Advanced triggers | Edge, window, pulse width, window pulse width, dropout, window dropout, interval, runt, logic | |||||
Trigger sensitivity | Digital triggering provides up to 1 LSB accuracy up to full bandwidth | |||||
Maximum pre-trigger | Up to 100% of capture size | |||||
Trigger time-delay range | Up to 4 billion samples | |||||
Trigger rearm time in rapid trigger mode | < 2 µs on fastest timebase | |||||
Max. waveforms in rapid trigger mode | 10000 waveforms in a 12 ms burst |
Probe compensation pins | ||||||
---|---|---|---|---|---|---|
Output level | 4 V peak | |||||
Output impedance | 610 Ω | |||||
Output waveforms | Square wave | |||||
Output frequency | 1 kHz | |||||
Overvoltage protection | ±10 V |
Spectrum analyzer | |||||||
---|---|---|---|---|---|---|---|
Frequency range | DC to analog bandwidth of oscilloscope | ||||||
Display modes | Magnitude, average, peak hold | ||||||
Windowing functions | Rectangular, Gaussian, triangular, Blackman, Blackman-Harris, Hamming, Hann, flat-top | ||||||
Number of FFT points | Selectable from 128 to half available buffer memory in powers of 2, up to a maximum of 1 048 576 points |
Math channels | |
---|---|
General functions | −x, x+y, x−y, x*y, x/y, x^y, sqrt, exp, ln, log, abs, norm, sign, sin, cos, tan, arcsin, arccos, arctan, sinh, cosh, tanh, derivative, integral, delay |
Filter functions | Lowpass, highpass, bandstop, bandpass |
Graphing functions | Frequency, duty cycle |
Multi-waveform functions | Min, max, average, peak |
Operands | Input channels, reference waveforms, time, constants, pi |
Automatic measurements | |
---|---|
Scope mode | AC RMS, true RMS, frequency, cycle time, duty cycle, DC average, edge count, falling edge count, rising edge count, falling rate, rising rate, low pulse width, high pulse width, fall time, rise time, minimum, maximum, peak to peak |
Spectrum mode | Frequency at peak, amplitude at peak, average amplitude at peak, total power, THD %, THD dB, THD+N, SFDR, SINAD, SNR, IMD |
Statistics | Minimum, maximum, average and standard deviation |
Serial decoding | |||||
---|---|---|---|---|---|
Protocols | 1-Wire, ARINC 429, CAN, CAN FD, DALI, DCC, DMX512, Ethernet 10Base-T, FlexRay, I²C, I²S, LIN, Manchester, MODBUS, PS/2, SENT, SPI, UART (RS-232 / RS-422 / RS-485), USB 1.0/1.1 |
Mask limit testing | |||||||
---|---|---|---|---|---|---|---|
Mask generation | Numeric (automatic) or graphical (manual) | ||||||
Statistics | Pass/fail, failure count, total count | ||||||
Available actions on mask fail | Beep, play sound, stop capture, save waveform, trigger signal generator / AWG, run executable |
Display | |||||||
---|---|---|---|---|---|---|---|
Interpolation | Linear or sin(x)/x | ||||||
Persistence modes | Digital color, analog intensity, custom, fast or none |
SDK/API* | |
---|---|
Supplied drivers | 32- and 64-bit drivers for Windows 7, 8 and 10 Linux drivers macOS drivers |
Example code | C, C#, Excel VBA, VB.NET, LabVIEW, MATLAB and Python |
Maximum sampling rate (USB streaming) | 50 MS/s |
Capture memory (USB streaming) | Up to available PC memory |
Segmented memory buffers | > 1 million |
Specifications for users writing their own software. See "Oscilloscope – horizontal" above for specifications when using PicoScope 6 software.
Software | ||
---|---|---|
Windows software | PicoScope for Windows Software development kit (SDK) Windows 7, 8 or 10 recommended (read more) |
|
macOS software | PicoScope for macOS Software development kit (SDK) OS versions: see release notes |
|
Linux software | PicoScope for Linux Software development kit (SDK) See Linux Software & Drivers for details of supported distributions |
|
Languages | Chinese (simplified), Chinese (traditional), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish |
General | |||||||
---|---|---|---|---|---|---|---|
Package contents | PicoScope 4444 precision differential USB oscilloscope Quick Start Guide Universal mains power supply USB 3.0 cable 1.8 m Other accessories as requested at time of ordering |
||||||
PC connectivity | USB 3.0, compatible with USB 2.0, USB 1.1 | ||||||
Power requirements | USB port or external DC PSU, depending on connected accessories | ||||||
Dimensions | 190 x 170 x 40 mm including connectors | ||||||
Weight | < 0.5 kg | ||||||
Temperature range (operating) | 0 °C to 45 °C | ||||||
Temperature range, operating, for quoted accuracy | 15 °C to 30 °C | ||||||
Temperature range (storage) | –20 °C to 60 °C | ||||||
Humidity range (operating) | 5% to 80% RH non-condensing | ||||||
Humidity range (storage) | 5% to 95% RH non-condensing | ||||||
Altitude range | Up to 2000 m | ||||||
Pollution degree | Pollution degree 2 | ||||||
Safety approvals | Designed to EN 61010-1:2010 | ||||||
EMC approvals | Tested to EN 61326-1:2013 and FCC Part 15 Subpart B | ||||||
Environmental approvals | RoHS and WEEE compliant | ||||||
PC requirements | Processor, memory and disk space: as required by the operating system Port(s): USB 3.0 or USB 2.0 |
||||||
Languages supported | Simplified Chinese, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish | ||||||
Warranty | 5 years |