Widely used in a variety of general-purpose debugging, manufacturing, circuit design and difficult measurement situations across various industries. With the best price among all comparable scopes, the colored-display DST 3042B helps scope users troubleshoot their works more efficiently; Accurately capturing small signals, high waveform update rate, minimum waveform floating, reliable FFT analysis help you diagnose the finest part in your design.
Bandwidth： 40MHz
Real-time Sample Rate： 250MSa/s
Equivalent Sample Rate： None
Record Length(Sample Points)： Maximum 20K per channel (4K,20K optional)
SEC/DIV Range： 4nS/div-40S/div (in a 2, 4, 8 sequence)
Delay Time Accuracy： 500ps
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u Vertical
A/D Converter： 8-bit resolution, each channel sampled simultaneously
VOLTS/DIV Range： 2mV/div～5V/div at input BNC
Position Range： ±50V(5V/div),±40V(2V/div～500mV/div),2V(200mV/div～50mV/div)±400mV(20mV/div～2mV/div)
Bandwidth Limit： 20MHz
Rise Time at BNC： ≤ 8.7ns
DC Gain Accuracy： ±4% for Sample or Average acquisition mode, 5mV/div to 2mV/div
±3% for Sample or Average acquisition mode, 5V/div to 10mV/div
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u Trigger
"Trigger Sensitivity(Edge Trigger Type)" ：DC: CH1/CH2(Typical) 1div from DC to 10MHz;1.5div from 10MHz to Full
EXT（Typical） 200mV from DC to 40MHz
EXT/5（Typical） 1V from DC to 40MHz
AC: Attenuates signals below 10Hz
HF Reject: Attenuates signals above 80kHz
LF Reject: Attenuates signals below 150kHz
Noise Reject: Reduces trigger sensitivity
Trigger Level Range： CH1,CH2: ±8 divisions from center of screen
EXT: ±1.2V EXT/5: ±6V
"Trigger Level Accuracy,typical (Accuracy is for signals having rise and fall times ≥20ns)"：
CH1,CH2: ±(0.3div×V/div) (within ±4 divisions from center of screen)
EXT: ±(6% of setting + 40mV)
EXT/5: ±(6% of setting + 200mV)
Holdoff Range： 100ns-10s
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u Trigger Type
Edge： Trigger on the rising or falling edge
Pulse Width： Trigger (when >,<,=,≠) on positive or negative pulses Pulse Width Range: 20ns-10s
Video： Trigger on an NTSC, PAL, or SECAM standard video signal Line Range: 1-525 (NTSC), 1-625 (PAL/SECAM)
Slope： Trigger (when >,<,=,≠) on a positive or negative slope ；Set Time: 20ns–10s
Overtime： from the rising or falling edge；Set Time: 20-10s
Alternate： None
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u Measurement
Cursors: Manual: The difference between voltage cursors △V; the difference between time cursors △T; 1/△T calculated by Hz.
Tracing: The voltage and time at a waveform point
Automatic: Pk-Pk, Max, Min, Mean, Cyc RMS, Frequency, Period, Rise Time, Fall Time, Positive Width, Negative Width
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u Display
Type： Right angle 7"TFT 16-digit color LCD
Resolution： 800*480 dots
Contrast： 16 gears, with the progress bar to show adjustment
Interface： USB host and USB slave
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