Hantek Electronic Co Ltd

Hantek DSO-4254B 4-ch, 250MHz Bench Oscilloscope

SKU: DSO-4254B

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The Hantek DSO-4254B is a Four-channel, 250MHz bandwidth digital oscilloscope designed for professional electronic engineers.

It features a sensitive 500μV/div minimum amplitude range for low-level signals, a fast 1GSa/s sample rate, an Advanced Triggering System with high-trigger sensitivity and a low-trigger jitter.

The display features a large 7" 64K colour TFT display and dedicated individual channel controls aligned vertically to the channel inputs. The instrument can be controlled from a host PC via its USB interface, and captured data can be stored on a USB memory stick.

The scope also features a Digital Multimeter and a serial bus decoding and triggering, making it ideal for monitoring onboard I2C and SPI bus activity.

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Model	DSO4254B	DSO4204B	DSO4104B	DSO4084B
Bandwidth	250MHz	200MHz	100MHz	80MHz
Horizontal
Sample Rate Range	1GS/s
Waveform Interpolation	(sin x)/x
Record Length	Maximum 64K samples per single-channel;
	Maximum 32K samples per dual-channel (4K, 32K optional)
SEC/DIV Range	2ns/div~100s/div
	1, 2, 5 sequence
Sample Rate and Delay Time Accuracy	±50ppm
Delta Time Measurement Accuracy (Full Bandwidth)	Single-shot, Normal mode ± (1 sample interval +100ppm × reading + 0.6ns)
	>16 averages ± (1 sample interval + 100ppm × reading + 0.4ns)
	Sample interval = s/div ÷ 200
Vertical
AD Converter	8-bit resolution, each channel sampled simultaneously
VOLTS/DIV Range	500μV/div to 10V/div at input BNC
Position Range	500μV/div~20mV/div, ±400mV
	50mV/div~200mV/div, ±2V
	500mV/div~2V/div, ±40V
	5V/div~10V/div, ±50V
Selectable Analog Bandwidth Limit, typical	20MHz
Low Frequency Response (-3db)	≤10Hz at BNC
Rise Time at BNC, typical	DSO4254B	DSO4204B	DSO4104B	DSO4084B
	<1.4ns	≤1.8ns	＜3.5ns	≤4.4ns
DC Gain Accuracy	±3% for Normal or Average acquisition mode, 10V/div to 10mV/div
	±4% for Normal or Average acquisition mode, 5mV/div to 500μV/div
	Note: Bandwidth reduced to 6MHz when using a 1X probe.
Acquisition
Acquisition Modes	Normal, Peak Detect, Average and HR
Acquisition Rate, typical	Up to 2000 waveforms per second per channel (Normal acquisition mode, no measurement)
Single Sequence	Acquisition Mode	Acquisition Stop Time
	Normal, Peak Detect	Upon single acquisition on all channels simultaneously
	Average	After N acquisitions on all channels simultaneously, N can be set to 4, 8, 16, 32, 64 or 128
Trigger
Mode	Auto, Normal
Level	CH1~CH4	±4 divisions from center of screen
	EXT	0~3.3V
Holdoff Range	20ns ~ 10s
Trigger Level Accuracy	CH1~CH4	0.2div × volts/div within ±4 divisions from center of screen
	EXT	± (6% of setting + 40mV)
Edge Trigger
Slope	Rising, Falling, Rising&Falling
Source	CH1~CH4/EXT
Pulse Width
Polarity	Positive, Negative
Condition(When)	<, >, ≠, =
Source	CH1~CH4
Width Range	8ns ~ 10s
Resolution	8ns
Video Trigger
Signal Standard	NTSC, PAL
Source	CH1~CH4
Sync	ScanLine, LinrNum, OddField, EvenField and AllField
Slope Trigger
Slope	Rising, Falling
Condition(When)	<, >, ≠, =
Source	CH1 ~ CH4
Time Range	8ns ~ 10s
Resolution	8ns
Overtime Trigger
Source	CH1~CH4
Polarity	Positive, Negative
Time Range	8ns ~ 10s
Resolution	8ns
Window Trigger
Source	CH1~CH4
Pattern Trigger
Pattern	0: Lower level; 1: High level;
Level	CH1~CH4
Interval Trigger
Slope	Rising, Falling
Condition(When)	<, >, ≠, =
Source	CH1~CH4
Time Range	8ns ~ 10s
Resolution	8ns
Under Amp
Polarity	Positive, Negative
Condition(When)	<, >, ≠, =
Source	CH1~CH4
Time Range	8ns ~ 10s
Resolution	8ns
UART Trigger
Condition(When)	Start, Stop, Data, Parity Error, COM Error
Source(RX/TX)	CH1~CH4
Data format	Hex
Condition(When)	<, >, ≠, =
Data Length	1 byte
Data Length	5 bit, 6 bit, 7 bit, 8 bit
Parity Check	None, Odd, Even
Idle Level	High, Low
Baud Rate(Selectable)	110/300/600/1200/2400/4800/9600/14400/19200/38400/57600/115200/230400/380400/460400 bit/s
Baud Rate (Custom)	300bit/s~334000bit/s
LIN Trigger
Condition(When)	Interval Field, Sync Field, Id field, Sync Id Error, Identifier, Id and Data
Source	CH1~CH4
Data format	Hex
Baud Rate (Selectable)	110/300/600/1200/2400/4800/9600/14400/19200/38400/57600/115200/230400/380400/460400 bit/s
Baud Rate (Custom)	300bit/s~334000bit/s
CAN Trigger
Condition(When)	Start Bit, Remote Frame, Data Frame Id, Frame Id, DataFrame Id A, Error Frame, All Error, Ack Error, Overload Fram
Source	CH1~CH4
Data format	Hex
Baud Rate (Selectable)	10000, 20000, 33300, 500000, 62500, 83300, 100000, 125000, 250000, 500000, 800000, 1000000
Baud Rate (Custom)	5kbit/s~1Mbit/s
SPI Trigger
Source (CS/CLK/Data)	CH1~CH4
Data format	Hex
Data Length	4, 8, 16, 24, 32
IIC Trigger
Source (SDA/SCL)	CH1~CH4
Data format	Hex
Data Index	0~7
When(Condition)	Start, Stop, No Ack, Address, Data, Restart
Inputs
Input Coupling	DC, AC or GND
Input Impedance, DC coupled	20pF±3 pF，1MΩ±2%
Probe Attenuation	1X, 10X
Supported Probe Attenuation Factors	1X, 10X, 100X, 1000X
Overvoltage Category	300V CAT II
Maximum Input Voltage	300V_RMS (10X)
Measurements
Cursors	Voltage difference between cursors: △V Time difference between cursors: △T Reciprocal of △T in Hertz (1/ΔT)
Automatic Measurements	Frequency, Period, Average, Pk-Pk, RMS, PeriodRms, Min, Max, RiseTime, FallTime, + Width, - Width, + Duty, - Duty, Vbase, Vtop, Vmid, Vamp, Overshoot, Preshoot, PeriodAvg, FOVShoot, RPREShoot, BWidth, FRR, FFF, FRF, FFR, LRR, LRF, LFR and LFF
General Specifications
Display
Display Type	7 inch 64K color TFT (diagonal liquid crystal)
Display Resolution	800 horizontal by 480 vertical pixels
Display Contrast	Adjustable
Probe Compensator Output
Output Voltage, typical	About 2Vpp into ≥1MΩ load
Frequency, typical	1kHz
Power Supply
Supply Voltage	100-120VACRMS(±10%),45Hz to 440Hz，CATⅡ 120-240VACRMS(±10%),45Hz to 66Hz，CATⅡ
Power Consumption	<30W
Fuse	T，3.15A，250V，5x20mm
Environmental
Operating Temperature	0~50 °C (32~122 °F)
Storage Temperature	-40~+71 °C (-40~159.8 °F)
Humidity	≤+104℉(≤+40°C): ≤90% relative humidity
	106℉~122℉ (+41°C ~50°C): ≤60% relative humidity
Cooling Method	Convection
Altitude	Operating and Nonoperating	3,000m（10,000 feet）
	Random Vibration	0.31g_RMS from 50Hz to 500Hz,
		10 minutes on each axis
	Nonoperating	2.46g_RMS from 5Hz to 500Hz
		10 minutes on each axis
Mechanical Shock	Operating	50g, 11ms, half sine
Mechanical
Dimension	318 x 110 x 150mm(L x W x H)
Weight	2900g

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Hantek DSO-4254B 4-ch, 250MHz Bench Oscilloscope

Hantek DSO-4254B 4-ch, 250MHz Bench Oscilloscope

Hantek DSO-4254B 4-ch, 250MHz Bench Oscilloscope

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