GW Instek GDS-840S - Instek MHz, 2-channel, Mono LCD Display DSO
Overview
Features
Specifications
Calibration
- 250MHz Bandwidth with Monochrome (320*240) 5.7 LCD Display
- 125k Memory and 12 Division Horizontal Display
- 25GS/s Sampling Rate for Repetitive Waveforms
- 15 Auto Measurement Functions to get quick and accurate results
- Advanced 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, Option: GPIB Interface
- 250MHz Bandwidth with Monochrome (320*240) 5.7 LCD Display
- 125k Memory and 12 Division Horizontal Display
- 25GS/s Sampling Rate for Repetitive Waveforms
- 15 Auto Measurement Functions to get quick and accurate results
- Advanced 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, Option: GPIB Interface
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| Display Device |
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| Display Contrast |
Adjustable
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| Waveform Display Graticule |
8 x 10 divisions (8 x 12 div, when menu off)
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| Display Mode |
Dot, Vector, Accumulate
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Vertical System |
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| Bandwidth (-3dB) |
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| Channels |
2
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| Resolution |
8 bit
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| Sensitivity |
2mV / DIV ~ 5V / DIV
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| Accuracy |
+3%
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| Rise Time |
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| Input Coupling |
AC, DC, GND
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| Input Impedance |
1MΩ + 2%, ~ 22pF
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| Polarity |
Positive& Negative
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| Maximum Voltage Between Signal and Common at input BNC |
300V (DC + AC peak), CAT II
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| Waveform Signal Process |
CH1-CH2, CH1+CH2, FFT
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| Offset Range |
2mV/div ~ 50mV/div: ±0.5V ; 100mV/div ~ 500mV/div: ±5V ; 1V/div ~ 5V/div: ±50V
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| Bandwidth Limit |
20MHz (-3dB)
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Horizontal System |
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| Range |
1nS/DIV ~10S / DIV ; Roll: 250mS/DIV ~ 10S/DIV (1-2-5 increments)
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| Modes |
MAIN, WINDOW, WINDOW ZOOM, ROLL, X-Y
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| Accuracy |
+0.01%
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| Delay Range |
Pre-trigger : 20 DIV, Post-trigger : 1000 DIV
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Signal Acquisition System |
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| Real-time Sample Rate |
100MSa/s maximum on each channel
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| Equivalent Sample Rate |
25GSa/s maximum on each channel
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| Record Length |
125k / CH
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| Peak Detection |
10nS (500nS/DIV ~ 10S/DIV)
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| Acquisition Mode |
Sample, Peak Detect, Average
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| Average |
2, 4, 8, 16, 32, 64, 128, 256
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Trigger System |
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| Source |
CH1, CH2, LINE, EXT
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| Modes |
AUTO-LEVEL, AUTO, NORMAL, SINGLE, TV, TIME DELAY, /EVENT DELAY, EDGE, PULSE WIDTH
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| Coupling |
AC, DC, LF rej, HF rej, Noise rej
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| Sensitivity |
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External Trigger |
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| Range |
+15V
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| Sensitivity |
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| Input Impedance |
1MΩ + 2%, ~ 22pF |
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| Maximum Input |
300V (DC + AC peak), CAT II |
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X-Y Mode |
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| X-Axis Input / Y-Axis Input |
Channel 1 (CH1) / Channel 2 (CH2) |
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| Phase Shift |
+3° at 100kHz |
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Cursor & Measurement |
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| Automated Voltage Measurement |
Vhi, Vlo, Vmax, Vmin, Vpp, Vavg, Vrms, Vamp
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| Automated Time Measurement |
Rise Time, Fall Time, Duty Cycle, Frequency, Period, Positive Width, Negative Width
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| Cursor Measurement |
Voltage difference between cursors (ΔV)
time difference between cursors (ΔT) Frequency difference between cursors (1/ΔT) |
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Frequency Counter |
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| Readout Resolution |
6 digits
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| Range |
AC Coupled, 10Hz minimum to rated bandwidth
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| Signal Source |
All available trigger source except the Pulse Width & Video Trigger mode
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| Control Panel Functions | ||||||||||||
| Autoset |
Autoset adjust vertical (volt/DIV), horizontal (sec/DIV), and trigger level automatically
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| Save/Recall |
Up to 15 sets of measurement conditions can be saved and recalled
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| Waveform Trace Save/Recall |
2 sets of waveform can be saved and recalled
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| Interface | ||||||||||||
| USB Interface |
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| RS-232 Interface |
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| Printer port |
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| Go-No Go Output |
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| GPIB Interface |
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| Power Source | ||||||||||||
| Line Voltage Range |
100V ~ 240V AC, automatic selection
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| Line Frequency |
48Hz ~ 63Hz
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| Power Consumption |
85Watts, 95VA maximum, with fan
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| Accessories |
Power cord x 1 ;
Instruction manual x 1 ; GDS-820 Series: GTP-150A Probes(10:1/1:1) x 2 GDS-840 Series: GTP-250A Probes(10:1/1:1) x 2 |
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| Dimensions & Weight |
254(W) x 142(H) x 310(D) mm, Approx. 4.1kg |
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