深圳市鑫成通电子有限公司优价提供EZ20MHZ模拟示波器OS-5020，DC to 20MHz bandwidth, 2 channels, Dual trace
6" rectangular CRT with internal graticuleSensitivity 1mV/divALT triggering function in VERT modeCH2 polarity inversion switchHigh sensitivity X-Y mode

Main Features：

DC to 20MHz bandwidth, 2 channels, Dual trace
6" rectangular CRT with internal graticule
Sensitivity 1mV/div
ALT triggering function in VERT mode
CH2 polarity inversion switch
High sensitivity X-Y mode
Sweep magnification (X 10)
TV sync. Separator circuit for stable TV signal observation
400V maximum input voltage

CRT ：

- Configuration and useful screen :
6 inch rectangular screen with internal graticule,8x10div.
(1div = 1cm) marking for measurement of rise time, 2mm subdivisions
along the central axis.
- Acceleration potential : +1.9kv approx.(ref. Cathode)
- Phosphor : P31
- Focusing : provided
- Trace rotation : provided
- Intensity control : provided

Z-AXIS INPUT (INTENSITY MODULATION) ：

- Input signal :
positive going signal decreases +5Vp-p or more signal cases
intensity noticeable modulation at normal intensity setting
- Bandwidth : DC to 2MHz(-3dB)
- Coupling : DC
- Input impedance : 25kз - 30kз typical
- Maximum input voltage : 30V(DC + peak AC)

VERTICAL DEFLECTION：

- DC coupled(-3dB) :
DC to 20MHz normal / DC to 10MHz magnified (CH 1 only)

- AC coupled(-3dB) :
10Hz to 20MHz normal / 10Hz to 10MHz magnified (CH 1 only)
- Modes :
CH1, CH2, ADD, DUAL(CHOP : Time/div. switch from 0.2s to 1ms,
- ALT : Time/div. switch from 0.5ms to 0.2μs)
- Deflection factor (normal): 5mV/div. to 20V/div. in 12 calibrated steps
of 1-2-5sequence.
Continuously variable between steps at least 1:2.5 X 5.
- Deflection factor (5MAG): 1mV/div. to 4V/div. in 12 calibrated steps
(CH1 only).
- Accuracy : normal ±3%, magnified : ±5%(CH 1 only)
- Input impedance : approx. 1Mз in parallel with 30pF
- Maximum input voltage : direct 400V (DC + peak AC)
- Input coupling : AC, GND, DC
- Rise time : 17.5ns or less (35ns or less in 5MAG)
- CH1 output : 25mV/div. into 50з / DC to 10MHz(-3dB)
- Polarity inversion : CH2 only

HORIZONTAL DEFLECTION ：

- Sweep mode : NORM, X-Y, X 10, Variable
- Time base A : 0.2μs/div. to 0.2s/div. in 19 calibrated steps of 1-2-5
sequence uncalibrated continuous control between steps at least 1:2.5
- Sweep magnification : 10 times(maximum sweep rate : 20ns/div.) 50ns/div.
or 20ns/div. ±10%
- Accuracy : ±3%(0∩ to 35∩), ±5%(0∩~10∩, 35∩~40∩) / additional error for
magnifier : ±2%

TRIGGER SYSTEM：

- Modes : AUTO, NORM, TV-V, TV-H
- Source : VERT(DUAL/ALT), CH1, LINE, EXT
- Coupling : AC
- Slope : + or -
- Sensitivity and frequency in AUTO, NORM 20HZ - 2MHz :
0.5div. or 2div.(VERT) in INT / 0.2Vp-p in EXT
- Sensitivity and frequency in AUTO, NORM 2Hz - 20MHz :
1.5div. or 3div.(VERT) in INT / 0.6Vp-p in EXT
- TV-V, TV-H : at least 1div. or 1.0Vp-p
- External trigger input impedance : 1Mз ± 10%
- Maximum input voltage : 400V (DC + AC peak)

X-Y OPERATION：

- Sensitivity : same as vertical deflection for both X-axis(CH1) and Y-axis
(CH2) except accuracy ± 5% in X-axis
- X-axis bandwidth : DC to 500kHz (-3dB)
- X-Y phase difference : 3° or less as DC to 50kHz

CALIBRATOR：
- Probe adjustment :
approx. 1kHz frequency(20%), 0.5V(10%) square wave with 40-50% duty ratio

POWER &SUPPLY：

- Line voltage range :
115V(98-125V) with 125V 1A fuse or 230V(198-250V) with 250V 0.5A fuse
- Line frequency : 50/60Hz
- Power consumption : approx. 45W

PHYSICAL CHARACTERISTICS：

- Weight : 7.8kg
- Dimension : 316mm(W) X 143mm(H) X 406mm(L)

OTHERS ：

- Accessories including : Operation manual, Spare fuse,Power cord
- Optional accessories (sold separately) : Probe