GDS-840C 250MHz, 100MS/s, RS-232, Color Display Oscilloscope

GDS-840C 250MHz, 100MS/s, RS-232, Color Display Oscilloscope

* GPIB Interface (Optional $240)

* 250MHz Bandwidth with Color LCD Display
* 125k Long Memory and 12 Division Horizontal Display
* 25Gsa/s Sampling Rate for Repetitive Waveforms
* 15 Auto Measurement Functions to get quick and accurate results
* Advance Trigger: Pulse Width, TV-Line, Event Delay and Time Delay
* GO-No Go, Learn Mode and Auto Setup Sequence
* FFT Function
* Standard Interface: USB, RS232, Printer Port

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Display System Display Device Color (320*240)
5.7" LCD
Display Contrast Adjustable
Waveform Display Graticule 8 x 10 divisions (8 x 12 div, when menu off)
Display Mode Dot, Vector, Accumulate
Vertical System Bandwidth (-3dB) DC~250MHz
Channels 2
Resolution 8 bit
Sensitivity 2mV/DIV ~ 5V/DIV
Accuracy ±3%
Rise Time  
Input Coupling AC, DC, GND
Input Impedance 1MΩ ± 2%, ~22pF
Polarity Positive& Negative
Maximum Voltage Between Signal and Common at input BNC 300V (DC + AC peak), CAT II
Waveform Signal Process CH1-CH2, CH1+CH2, FFT
Offset Range 2mV/div ~ 50mV/div: ±0.5V
100mV/div ~ 500mV/div: ±5V
1V/div ~ 5V/div: ±50V
Bandwidth Limit 20MHz (-3dB)
Horizontal System Range 1nS/DIV ~10S / DIV
Roll: 250mS/DIV ~ 10S/DIV (1-2-5 increments)
Accuracy ±0.01%
Delay Range Pre-trigger: 20 DIV
Post-trigger: 1000 DIV
Signal Acquisition System Real-time Sample Rate 100MSa/s maximum on each channel
Equivalent Sample Rate 25GSa/s maximum on each channel
Record Length 125k / CH
Peak Detection 10nS (500nS/DIV ~ 10S/DIV)
Acquisition Mode Sample, Peak Detect, Average
Average 2, 4, 8, 16, 32, 64, 128, 256
Trigger System Source CH1, CH2, LINE, EXT
Coupling AC, DC, LF rej, HF rej, Noise rej
Sensitivity DC ~ 25MHz: 0.35 DIV or 3.5mV
25MHz ~ 250MHz: 1.5 DIV or 10mV
External Trigger Range ±15V
Sensitivity DC ~ 30MHz: 50mV
30MHz ~ 100MHz: 100mV
100MHz ~ 250MHz: 150mV
Input Impedance 1MΩ ± 2%, ~22pF
Maximum Input 300V (DC + AC peak), CAT II
X-Y Mode X-Axis Input / Y-Axis Input Channel 1 (CH1) / Channel 2 (CH2)
Phase Shift ±3° at 100kHz
Cursor & Measurement Automated Voltage Measurement Vhi, Vlo, Vmax, Vmin, Vpp, Vavg, Vrms, Vamp
Automated Time Measurement Rise Time, Fall Time, Duty Cycle, Frequency, Period, Positive Width, Negative Width
Cursor Measurement Voltage difference between cursors (ΔV)
time difference between cursors (ΔT)
Frequency difference between cursors (1/ΔT)
Frequency Counter Readout Resolution 6 digits
Range AC Coupled, 10Hz minimum to rated bandwidth
Signal Source All available trigger source except the Pulse Width & Video Trigger mode
Control Panel Functions Autoset "Autoset" adjust vertical (volt/DIV), horizontal (sec/DIV), and trigger level automatically
Save/Recall Up to 15 sets of measurement conditions can be saved and recalled
Waveform Trace Save/Recall 2 sets of waveform can be saved and recalled
Interface USB Interface Standard
RS-232 Interface
Printer port
Go-No Go Output
GPIB Interface Optional
Power Source Line Voltage Range 100V ~ 240V AC, automatic selection
Line Frequency 48Hz ~ 63Hz
Power Consumption 85Watts, 95VA maximum, with fan
Accessories Power cord, Instruction manual,
GTP-250A Probes(10:1/1:1) x 2
Dimensions 10.00"W X 5.59"H X 12.20"D
Weight 9.04 lbs

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