LDB CQ620CF 20Mhz Analog Oscilloscope w/frequency Counter
Product Description
CQ620CF 20MHz DUAL CHANNEL ANALOG OSCILLOSCOPE WITH BUILTIN 6 DIGIT FREQUENCY COUNTER.....!!
| Contents |
| 20MHz dual channel.. |
| ALT triggering function.. |
| Encoder for sweep switch.. |
| Fully sealed long life vertical sensitivity switch.. |
| 10 times sweep magnification.. |
| TV synchronization, X-Y mode.. |
| Build-in 6 digital frequency counter.. |
| Economic choice for high quality.. |
Technical DAta : CQ620C/620CF & CQ640C/640CF..
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 | ±3%;5mV~5V/div |
| Bandwidth | DC (AC 10Hz)~ 20MHz(-3dB) | DC (AC 10Hz)~40/50MHz(-3dB) |
| Rise Time | ≤17.5ns | ≤8.75/7ns |
| 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 time accuracy | 10TIMES |
| Max sweep time | 20nS/DIV |
| Linear | ±5%, ±10% at x10MAG |
| TRIGGER
| Trigger Mode | AUTO,NORM,TV-V,TV-H |
| Trg-Level | YES |
| Trg Source | CH1, CH2, ALT, LINE, EXT |
| Trg-Coupling | AC |
| Trg-Slope | + or - |
| Trg-Sensitivity |
CH1,CH2
ALT
EXT | 20Hz~2MHz
0.5DIV
2.0DIV
200mV | 2MHz~20MHz
1.5DIV
3.0DIV
800mV |
| External Trg-Input | Input impedance:1MÙ±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 output | YES |
| Calibrator output | 1KHz square wave, 2Vp-p±2% | |
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 |
Warranty: One Year
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