产品描述：
820F-hand –held Oscilloscope, 820F 手持示波器
• 20Mhz bandwidth
• Built in High accuracy 6000 count True RMS DMM
• 200MS/s
• 20 automatic waveform Measurements
• Self test and Self calibration
• Help menu
• 125KB record length for each channel
• 10 waveforms and setups may be stored and recalled
• USB port,Software and cable included
• High Resolution 320x 240 pixel Monochrome LCD
• Edge/Pulse width, TV/Pattern and Delay trigger modes
技术参数：
|
|
|
No. Inputs |
2 |
|
Analog Bandwidth |
20MHz |
|
Rise Time |
< 17.5ns |
|
Sensitivity |
5mV to100V/div (in a 1,2,5 sequence) |
|
Resolution |
8 bit |
|
Offset |
±5 div from the center |
|
Vertical Accuracy |
±3 % |
|
Input Impedance |
1M ±1%
20pF ±1.3pF |
|
Max. Input Voltage |
300V DC or AC peak |
|
Probe Attenuation |
x1 and x10 |
|
|
|
|
Sweep Rate |
50ns/Div to 50s/Div |
|
Time Base Accuracy |
±0.01% |
|
|
|
|
Acquisition Modes |
Sample, Peak detect, Envelope, Average |
|
Sample Rate |
200Ms/S |
|
Sample Rate Accuracy |
100ppm |
|
Record Length |
125KB/Channel |
|
Waveform Interpolation |
Dot, Linear, Sine, and Pulse |
|
Peak Detect |
10ns minimum |
|
Averages |
2 to 256 |
|
|
|
|
Sensitivity |
0.5 Div (DC to 5MHz) |
|
Trigger Types |
Edge, Pulse width, Video |
|
Coupling |
AC, DC HF-Reject, LF-Reject, Noise Reject |
|
Modes |
Normal, Single, Roll, Auto |
|
Trigger Level Range |
±20 Div from the center of the screen |
|
Trigger Level Accuracy |
±0.4 Div |
|
Trigger Source |
CHA and CHB |
|
|
|
|
Video Trigger sensitivity |
0.7 Div |
|
Video Type |
NTSC, PAL, Secam |
|
|
|
|
Types |
P-P, Max, Amplitude, Top, Base, Pos/Neg over shoot, Pre-shoot, RMS, Mean, One cycle mean, Freq., Period, ±Width, ±Duty cycle, Rise/Fall time, Delay and Phase shift |
|
Cursors |
V, T |
|
Weighting |
Rectangular, Hamming, Hanning and Blackman-Harris |
|
Amplitude Display |
1, 2, 5, 10dB/Div |
|
Maximum Frequency |
1.25GHz |
|
Memory |
10 waveforms and settings saved and recalled |
|
|
|
|
Range |
60nF to 300µF |
|
Accuracy |
±(2.0% + 10d) |
|
|
|
|
Diode Test Accuracy |
±2% |
|
Continuity |
Buzzer will sound < 60
dBm with reference impedances of 2, 4, 8, 16, 50, 75, 93, 110, 125, 135, 150, 300, 600, 900, 1K or 1.2K |
|
High Current |
To 600A with external current Clamp |
|
Temperature (with Probe) |
To 600ºC (1112ºF) |
|
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