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| Model | MOS-620 |
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Vertical system |
Trigger |
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Sweep time：0.2μSec~0.5Sec/DIV ，20 steps in 1-2-5 sequence |
Trigger source：CH1，CH2，LINE,EXT |
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Accuracy：±3% |
Trigger Coupling：AC：20Hz to full bandwidth |
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Fine：≤1/2/5 panel indication scale |
Trigger slope：+/- |
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Sweeping magnification: 10 times |
Sensitivity：20Hz~2MHz：1DIV TRIG-ALT：2DIV EXT:200mV |
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X10MAG sweep time accuracy： ±5%（20nSec~50nSec not calibrated） |
2MHz~20MHz：1.5DIV TRIG-ALT：3DIV EXT:800mV |
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Linear：±5%X10MAG：±10%（0.2s~1μs） |
TV: Sync pulse＞1DIV(EXT:1V) |
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Displacement caused by X10MAG: < 2DIV at the center of CRT |
Trigger mode：AUTD: AUTO NORM：NORM |
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X-Y mode |
TV field: when you want to observe a TV signal; |
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Sensitivity: same as vertical axis |
TV line: (only when the sync signal is negative pulse, the TV field and TV line can be synchronized) |
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Frequency range：DC~500kHz |
External trigger mode model |
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X-Y phase error：≤3°（DC~50kHz） |
Input impedance: Approx. 1MΩ/25pF |
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Horizontal system |
Max. Input voltage：300V(DC+AC peak) AC frequency: 1kHz or lower |
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Sensitivity：5mV~5V/DIV, 10 steps in 1-2-5 sequence |
Calibration signal |
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Sensitivity and accuracy：≤3%；1/2.5 or smaller than the panel indicating scale |
Waveform：Square wave |
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Frequency range：DC~20MHz |
Freq.：Approx.1kHz |
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AC coupling：＜10Hz (100kHz 8DIV frequency response:-3dB) |
Duty cycle：＜48：52 |
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Rise time: Approx. 17.5nS |
Output voltage：2Vp-p±2% |
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Input resistance：Approx. 1M/25pF |
Output impedance: Approx.1kΩ |
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DC balance movement：5mV~5VDIV：±0.5DIV |
CRT oscilloscope tube |
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Linear: When the waveform moves vertically in the center of the grid（2DIV） |
Model : 6 inch rectangular internal graticule |
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Amplitude change<±0.1DIV |
Phosphor powder specifications：P31 |
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Vertical mode CH1；CH2; DUAL： CH1 and CH2 display simultaneously |
Acceleration voltage：Approx. 2kV（20MHz） |
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ADD：CH1 and CH2 do algebraic addition |
Valid display：8X10DIV [ 1DIV=10mm(0.39in) ] |
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Intermittent repetition frequency：Approx. 250kHZ |
Graticule：internal |
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Input coupling：AC GND DC |
Trace rotation: adjustable at front panel |
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Maximum input voltage：300V peak （AC : Freq.≤1kHz） |
Technical characteristic |
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Common mode rejection ratio: >50:1 at 50kHz sine wave (Set the sensitivity of CH1 and CH2 the same) |
Power source：AC 220C±10%（standard），AC 110V/220V |
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Insulation between 2 channels (in the range of 5mV/DIV)： |
±10%（optional） 50Hz/60Hz, 35VA Maximum |
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>1000:1 50kHz； ＞30:1 15MHz / ＞30:1 35MHz；＞30:1 45MHz |
Dimension：455（W）*150(H)*310(D)mm |
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CH2 INV BAL: Balance point change rate ≤ 1DIV (corresponding to the scale center) |
Weight：Approx. 8kg |
