CQ620 - DUAL CHANNEL OSCILLOSCOPE
Negotiable /Piece
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CQ620 - DUAL CHANNEL OSCILLOSCOPE
Features
.20MHz/40MHz dual channel
.Hight sensitivity 1mV/div
.ALT triggering function
.Z-Axis input,CH1 output
.Encoder for sweep switch
.Fully sealed long life vertical sensitivity switch
.10 times sweep magnification
.TV synchronization, X-Y mode
.Triggering level lock function, automatic synchronize function
.Build-in 6 digital frequency counter (CQ620F/640F)
Technical Data | CQ620/620F | CQ640/640F | ||
CRT | ||||
Type | 6-inch rectangular with internal graticule 8x10div (1div=1cm) | |||
Accelerating voltage | 2kV(20MHz) 12kV(40MHz) | |||
Illumination | Front panel control | |||
Z-axis input | Zin: ≈47kΩ ; Vin: ≥5Vp-p; Bw: DC~2MHz | |||
VERTICAL SYSTEM | ||||
Sensitivity | X1:±3%;5mV~20V/div | |||
X5:±5%;1mV~4V/div | ||||
Bandwidth | X1:DC (AC 10Hz) ~ 20MHz(-3dB) | X1:DC (AC 10Hz) ~ 40MHz(-3dB) | ||
X5:DC (AC 10Hz) ~ 7MHz (-3dB) | ||||
Rise Time | X1:≤17.5ns | X1:≤8.75 / 7ns | ||
X5:≤50ns | X5:≤25 / 23ns | |||
Max. Input Voltage | 400V (DC + ACp-p) | |||
Input Coupling | AC, DC, GND | |||
Input Impedance | ≈1MΩ/ 25PF | |||
Vertical Mode | CH1, CH2, DUAL ( ALT/CHOP) ADD, CH2 INV | |||
HORIZONTAL SYSTEM | ||||
Sweep time | 0.2us~0.5s / div±3%; MAGx10:100ns ~ 50ms /div ±5% | |||
Sweep time accuracy | ±3%, ±5% at x10MAG (20nS~50nS/DIV uncalibrated) | |||
Sweep magnificaton | 10 times | |||
Max sweep time | 20nS/DIV | |||
Linear | ±5%, ±10% at x10MAG | |||
TRIGGER | ||||
Trigger Modes | AUTO,NORM,TV-V,TV-H | |||
Trg-level lock | √ | |||
Trigger Source | CH1, CH2, ALT, LINE, EXT | |||
Trigger Coupling | AC | |||
Trigger Slope | "+" or "-" | |||
Trigger sensitivity |
| 20Hz~2MHz | 2MHz~20MHz | |
CH1,CH2 | 0.5DIV | 1.5DIV | ||
ALT | 2.0DIV | 3.0DIV | ||
EXT | 200mV | 800mV | ||
TV sync pulse 1DIV or 1V (EXT) | ||||
External trigger input | Input impedance: 1MΩ±3%, 25pF±5pF | |||
Max. input voltage: 400V (DC+ACpeak) at 1KHz | ||||
X-Y OPERATION | ||||
Sensitivity | 5mV~5V/div, ±4% | |||
X-axis bandwidth | DC ~500KHz | |||
Phase Error | ≤3°DC ~ 50KHz | |||
OUTPUT SIGNAL | ||||
CH1 signal outputt | √ | |||
Calibrator output | 1KHz square wave, 2Vp-p±2% | |||
BUILD-IN FREQUENCY COUNTER | 10Hz~20/40MHz; 6 digits | |||
POWER SOURCE | AC 110/220V±10%, 50Hz/ 60Hz, ≈35W | |||
ACCESSORIES | Instruction manual x 1, Power cord x 1, fuse x1, Probe x 2 | |||
DIMENSIONS & WEIGHT | 310(W) x 150(H) x 455(D)mm, Approx. 8kg |