Specifications

.20MHz/40MHz dual channel oscilloscope
.Hight sensitivity: 1mV/div
.Expanded vertical sensitivity to 10V ~ 20V/div

CQ620AT - DUAL CHANNEL OSCILLOSCOPE

 

Features

.20MHz/40MHz dual channel
.Hight sensitivity: 1mV/div
.Expanded vertical sensitivity to 10V ~ 20V/div
.Component testing function(CQ620AT)
.ALT triggering function
.Z-Axis input,CH1 output(opotion)
.Encoder for sweep
.10 times sweep magnification
.TV synchronization, X-Y mode
.Triggering level lock function, automatic synchronize function

 

 

Technical Data		CQ620A/CQ620AT
CRT
Type		6-inch rectangular with internal graticule 8x10div (1div=1cm)
Z-axis input		Zin: ≈47kΩ ; Vin: ≥5Vp-p; Bw: DC~2MHz
Accelerating voltage		Apporx.2KV
Illumination		Fron t panel control
VERTICAL SYSTEM
Sensitivity	X1	±3%;5mV~20V/div on 1-2-5 Sequence 12 rangers
	X5	±5%;1mV~4V/div on 1-2-5 Sequence 12 rangers
bandwidth	X1	DC (AC 10Hz) ~ 20MHz(-3dB)
	X5	DC (AC 10Hz) ~ 7MHz (-3dB)
Rise Time	X1/X5	≤17.5ns/≤50ns
Input Impedance		≈1MΩ±3%/ 25PF±5PF
Max Input Voltage		400V (DC + ACp-p) at 1kHz
Input Coupling		AC, DC, GND
Vertical operation Mode		CH1, CH2, ALT,CHOP, ADD, CH2 INV
HORIZONTAL SYSTEM
Sweep time		0.2us~0.5s / div±3%; MAGx10:ns ~ 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 Mode		AUTO(TV-V),NORM,TV-H,LEVER LOCK
Trigger Source		CH1, CH2, ALT, LINE, EXT,VERT
Trigger Coupling		AC
Trigger Slope		"+" or "-"
Trigger sensitivity			5Hz~10MHz	10MHz~20MHz
		CH1,CH2	1 DIV	1.5DIV
		ALT	2.0DIV	3.01DIV
		EXT	200mV	300mV
		TV sync pulse >2DIV or 0.5V(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% 90
X-axis Bandwidth		DC~500KHz
Phase Error		≤3°  DC~50kHz
OUTPUT SIGNAL
CH1 signal output		√
Calibrator Output		1kHz Square wave, 2Vp-p±2%
POWER SOURCE		AC 110/220V±10%, 50Hz/ 60Hz, ≈40W
DIMENSIONS		310(W) x 145(H) x 440(D)mm
WEIGHT		Approx. 8kg
ACCESSORIES		One operation manual, one fuse, one power cable, two probes