Multi-Instrument is a powerful multi-function virtual instrument software. It supports a variety of hardware ranging from sound cards which are available in almost all computers to proprietary ADC and DAC hardware such as NI DAQmx cards and so on. It features a specially designed data acquisition approach, which is able to monitor the input signal continuously without missing any trigger event before a frame of data is collected. It has a very fast screen refresh rate (typically greater than 50 frames per second). It supports sophisticated triggering method including pre-trigger and post-trigger,level trigger and differential trigger. It Supports 8, 16, 24 bits and multilingual user interface, including English, French, German, Italian, Spanish, Portuguese, Russian, Simplified Chinese, Traditional Chinese, Japanese, and Korean.
A comprehensive range of functions are provided, including:
Dual-trace waveform, Waveform addition, subtraction and multiplication, Lissajous Pattern, transient/long-time signal recording, voltmeter. Various digital filters are supported.
(2) Spectrum Analyzer:
RMS amplitude spectrum, relative amplitude spectrum, octave analysis (1/1,1/3,1/6,1/12,1/24,1/48,1/96), frequency compensation, frequency weighting (A,B,C,ITU-R 468), moving average smoothing, peak hold, linear average, exponential average, measurement of THD, THD+N, SNR, SINAD, Noise Level, IMD, Bandwidth, Crosstalk, peaks, harmonics, energy in user defined frequency bands, phase spectrum, auto correlation function, cross correlation function, coherence function, transfer function (Bode plot), impulse response. Support 55 window functions and window overlap.
(3) Signal Generator:
Function generation, multitone generation, arbitrary waveform generation, burst tone generation, MLS generation, DTMF generation, musical scale generation, white noise and pink noise generation, and frequency/amplitude sweep, fade in/out. Synchronized operation between the signal generator and the oscilloscope is supported.
voltmeter, sound pressure level meter(dB, dBA, dBB, dBC), frequency counter, RPM meter, counter, duty cycle meter, F/V converter, cycle mean, cycle RMS, vibrometer. The counter trigger level and hysteresis can be adjusted.
(5) Spectrum 3D Plot:
It is used to trace the spectrum variation with time. Two types of plots are provided: waterfall and spectrogram, with adjustable tilt angle of T axis, adjustable height of Y axis, and selectable color palettes.
(6) Data Logger:
It provides long time data logging function for 129 derived variables, including RMS value, Peak Frequency, Sound Pressure Level, RPM, THD, etc. Up to eight data logger windows can be opened and each window can trace up to 8 variables. The logged data files can be reloaded into the data logger for review.
(7) LCR meter:
It is used to measure the value of an inductor, a capacitor or a resistor, or the impedance of a network of them.
(8) Device Test Plan:
Device Test Plan provides a mechanism for you to configure and conduct your own device test steps. It takes the advantage of the sound card?s (or other ADC/DAC device's) capability of simultaneous input & output, to generate a stimulus to the Device Under Test (DUT) and acquire the response from that device at the same time. Different stimuli can be generated and the response can be analyzed in different ways. The DUT can be marked as Pass or Fail after a sequence of test steps and a test report can be generated. It supports 14 instructions with corresponding parameters.
Microsoft Windows 95 or greater, Microsoft NT or greater. Screen horizontal resolution is recommended to be equal to or greater than 1024 pixels.
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