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732.58
Hantek DSO4254B Bench-type Digital Storage Oscilloscope 4CH 250MHz Bandwidth 8-bit 500μV/div 1GS/s Sample Rate
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732.58
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| Model | DSO4254B | |
| Bandwidth | 250MHz | |
| 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 | ＜1.4ns | |
| 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 | |
| Slope Trigger | ||
| Slope | Rising, Falling | |
| Condition(When) | <, >, ≠, = | |
| Source | CH1 ~ CH4 | |
| Time Range | 8ns ~ 10s | |
| Resolution | 8ns | |
| Video Trigger | ||
| Signal Standard | NTSC, PAL | |
| Source | CH1 ~ CH4 | |
| Sync | ScanLine, LinrNum, OddField, EvenField and AllField | |
| 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 | |
| Condition(When) | 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 | 300VRMS (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 | ||
| Plug Type | US Plug / EU Plug (Optional) | |
| Supply Voltage | US: 100-120VACRMS(±10%), 45Hz to 440Hz, CATⅡ EU: 220-240VACRMS(±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°F(≤+40°C): ≤90% relative humidity | |
| 106°F~122°F (+41°C ~50°C): ≤60% relative humidity | ||
| Cooling Method | Convection | |
| Altitude | Operating and Nonoperating | 3,000m（10,000 feet) |
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