GDS-122
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The GDS-122 is a reliable and handy instrument for all test and electronic engineers. This model is designed to carry out complicated on-site tests. The Dual-channel unit features 20MHz of bandwidth with a sampling rate of 100MS/s along with multimeter functionality. The color LCD display with a resolution of 320 x 240 helps you to read waveforms easily, especially when displaying a lot of data or multiple waveforms. The compact design with the total weight of 690g allows engineers to carry it around easily. The protective cover of the unit is insulated and specially designed to guarantee endurance and reliability in tough environments. The rechargeable Li-ion battery ensures convenience for on-site testing.
| 规格 | ||
| 采样 | ||
| 采样模式 | 正常, 峰值检测, 平均值 | |
| 采样率 | 100 MSa/s | |
| 输入 | ||
| 耦合 | DC, AC | |
| 阻抗 | 1MΩ±2% 并联 20pF±3pF | |
| 探棒 | 1X, 10X, 100X, 1000X | |
| 最大输入 | 400V (峰值) | |
| 通道延迟 | 150ps (典型值) | |
| 水平 | ||
| 采样率 | 10S/s～100mS/s | |
| Interpolation | （sin x）/x | |
| 记录长度 | 6K points on each channel | |
| 扫描速度 | 5ns/div～5s/div, 1-2.5-5 step | |
| 采样率 / relay time accuracy | ±100ppm (time interval ≥ 1ms) | |
| Interval (△T) accuracy (full bandwidth) | Single: ±(1 interval time +100ppm×reading+0.6ns) Average >16 : ±(1 interval time +100ppm×reading+0.4ns) | |
| 垂直 | ||
| A/D converter | 8 bits resolution (2CH simultaneously) | |
| 灵敏度 | 5mV/div～5V/div（at input） | |
| Displacement | ±50V(500mV～5V),±1V(5mV～200mV) | |
| 带宽 | 20M | |
| Single | Full bandwidth | |
| Low frequency | ≥5Hz（at input, AD coupling, -3dB） | |
| Rise time | ≤17.5ns (at input, typical) | |
| DC accuracy | ±5% (DC gain) | |
| DC accuracy (avg) | Avg >16: ±(5% rdg + 0.05 div) for △V | |
| Trigger | ||
| Sensitivity | CH1 and CH2: 1div(DC～full bandwidth);DC coupling: ≥ 50Hz. | |
| Trigger level | ±6 divisions from the screen center | |
| Level accuracy | ±0.3 div (typical, rise/fall time ≥ 20ns) | |
| Displacement | 655div (pre-trigger), 4div (post- trigger) | |
| 50% level setting | Input signal frequency ≥ 50Hz (typical) | |
| Trigger sensitivity | 2 div of peak-to-peak (video trigger) | |
| Signal system | NTSC, PAL, SECAM (any frequency) | |
| Measurement | ||
| Cursor | △V and △T between cursors | |
| Automatic | Peak-to-peak, average, root mean square, frequency, and cycle | |
| Probe | 1X position | 10X position |
| Bandwidth | ≤ 6 MHz (DC) | Full bandwidth (DC) |
| Attenuation rate | 1:01 | 10:01 |
| Compensation | 10pf～35pf | 10pf～35pf |
| Input impedance | 1MΩ±2％ | 10MΩ±2％ |
| Input impendence | 85pf～115pf | 14.5pf～17.5pf |
| Input voltage | 150 V DC | 300V DC |
| Multimeter specifications | ||
| VDC | ||
| Input impedance | 10MΩ | |
| Max input | 1000V (DC or AC peak-to-peak value) | |
| Accuracy | ±1%±1 digit | |
| Resolution | 400mV range: 100uV;4V range: 1mV;40V range: 10mV;400V range: 100mV | |
| VAC | ||
| Input impedance | 10MΩ | |
| Max input | 750V(AC, virtual value) | |
| Frequency range | 40Hz~400Hz | |
| Display | Virtual value of sine wave | |
| Accuracy | ±1%±3 digits | |
| Resolution | 4V range: 1mV;40V range: 10mV;400V range: 100mV | |
| DCA | ||
| Accuracy | 40mA range: ±1%±1 digit;400mA range: ±1.5%±1 digit;20A range: ±3%±3 digits | |
| Resolution | 40mA range: 10uA;400mA range: 100uA;20A range: 10mA | |
| ACA | ||
| Accuracy | 40mA range: ±1.5%±3 digit;400mA range: ±2 %±1 digit;20A range: ±5%±3 digits | |
| Resolution | 40mA range: 10uA;400mA range: 100uA;20A range: 10mA | |
| Resistance | ||
| Accuracy | 400Ω range: ±1%±3 digits;4kΩ~4MΩ range: ±1%±1 digit;40MΩ range: ±1.5%±1 digit | |
| Resolution | 400Ω range: 0.1Ω;4kΩ range: 1Ω;40kΩ range: 10Ω;400kΩ range: 100Ω;4MΩ range: 1kΩ;40MΩ range: 10kΩ | |
| Capacitance | ||
| Accuracy | ±3%±3 digits | |
| Resolution | 51.2nF range: 10pF;512nF range: 100pF;5.12uF range: 1nF;51.2uF range: 10nF;100uF range: 100nF | |
| Diode | ||
| Reading range | 0V~1.5V | |
| Continuity | ||
| Threshold | < 30Ω | |
| General specifications | ||
| Display | ||
| Type | 3.8" color liquid crystal display | |
| Resolution | 320 (horizontal) ×240 (vertical) pixels | |
| Color | 4096 colors | |
| Power | ||
| Consumption | < 6W | |
| Supply | 100V~240V AC, 50/60Hz | |
| DC input | 8.5VDC, 1500mA | |
| Environment | ||
| Operating | Temperature: 0 to 40 °C(32 to 104 °F);Relative humidity: < 75% | |
| Storage | Temperature: -20 to 60 °C(-4 to 140 °F);Relative humidity: < 75% | |
| Mechanical | ||
| Dimension | 18 cm×11.5cm×4cm | |
| Weight | 690g | |
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