dual channel digital oscilloscope 40MHz, dual channel,7 inch LCD display digital oscilloscope

Specifications

1.Sampling rate:1GS
2.dual channel ,colour display
width 40MHz

LW-2042L  :40MHz, dual channel,7 inch LCD display digital oscilloscope

 

Specifications

Sampling

Sampling type :Real time sampling      equivalent sampling

Sampling rate :1GS/s    

TEST METHOD:

Real-time

Equivalent

AVERAGE VALUE       after all the channels have carry out N times sampling,the number can be selected between 2:4:8:16:32:64:128 and 256.

input

nput coupling  (DC:AC:GND)

Input impedance     1±2%Mohm 24±3pF in parallel

Probe attenuation ratio setting       1×,10×,100×,1000×

Maximum input voltage       400V(DC+AC Vpp:1Mohm Input impedance)

Time delay between channels(typical)     150ps

 

level

Waveform interpolation Sin(x)/x

Record length 2×600k sampling point

Storage depth  Signal channel is 25k, dual channel is 12.5K

Scanning range(s/div)       2ns/div-50s/div Follow 1-2-5 step

Sample rate and delay time precision    ±50ppm(any more than1ms Time interval)

Time interval (Laplacian T)measure precision (full bandwidth)     sole:±(1 sampling interval time +100ppm×reading+0.6ns)

More than 16 average value:±(1 sampling interval time +100ppm×reading+0.4ns)

 

Vertical

Analog digital converter (A/D)     8-bit resolution with synchronous sampling for 2 channels

Scope of deflection coefficient

(V/div)  1mV/div ~20V/div(in input BNC)

Displacement range       more than±10 div

More meaning 100 MHz,80MHz,60 MHz,40 MHz

A single bandwidth 100 MHz,80MHz,60 MHz,40 MHz

(Typical) optional band width limitation      20 MHz

Low-frequency response

(AC coupling, -3dB)      less than 10Hz(in BNC)

Rise time(typical in BNC)3.5 ns respectively in bandwidth or less (100 MHz, 80 MHz, 60 MHz, 40 MHz)

DC gain precision (by adopting sampling

or sampling mode of average value)±5%if the vertical sensitivity is 1mV/div or 2mV/div;

±4%      if the vertical  sensitivity is 5mV/div;

±3%      if the vertical  sensitivity is 10mV/div  to 20V/div;

DC measurement precision

(by adopting average sampling mode)   If vertical displacement is 0 and N more than 16:

±(5%×reading+0.1 grid+1mV) by selecting 1mV/div or 2mV/div;

±(4%×reading+0.1 grid+1mV) by selecting 5mV/div;

±(3%×reading+0.1 grid+1mV) by selecting 10mV/div to 20V/div;

If vertical displacement is not 0 and N more than 16:

±u12304X(3%×(reading+vertical displacement reading)+(1%×vertical

displacement reading)+0.2div;

To add 2mV when setting from 5mV/div to 200mV/div: To add set

value by 50mV when setting from 200mV/div to 20V/div;

Measurement precision of voltage

difference (Laplacian V) (by adopting sampling

mode of average value)       Voltage difference between any 2 points on the waveform after

calculating average value for at least 16 captured waveform under the

same setup and environment conditions: ±(3%×reading+0.05div

 

Trigger

Trigger sensitivity  Internal Trigger:less than 1div   EXT trigger:less than 0.2V

Trigger level scope Away screen center±8div

(Typical) precsion of trigger

level for signal of which

Rise Time or Descend Time is

not less than 20ns   ±(0.3div×V/div)(within scope of ±4div from screen center)

Pre-trigger ability   Normal mode/scanning mode, pre-trigger/delay trigger with adjustable

pre-trigger depth

Inhibition scope     100ns – 1.5s

(Typical) level set to 50%      Operation if frequency of input signal is not less than 50Hz

Edge trigger

Edge type       Ascend, descend, ascend & descend

Pulse width trigger

Trigger mode  To be more than, less than or equivalent to positive/negative pulse width;

Pulse width scope   20ns-10s

Alternate trigger

CH1 trigger    Edge, pulse width

CH2trigger     Edge, pulse width

 

Measurement

Cursor     Manual mode  Voltage difference (Laplacian V ) between cursors;

Time difference (Laplacian T ) between cursors;

Reciprocal of Laplacian T ( 1/Laplacian T )

Tracing mode  Voltage and time of waveform point

Automatic measurement mode

It is allowed to display cursor during automatic measurement.

Automatic

measurement   Peak value, amplitude, the maximum value, the minimum value, top value, bottom value,middle value, average value, root-mean-square, overshoot, preshoot, frequency, cycle,Rise Time, Descend Time, positive pulse width, negative pulse width, positive duty cycle,

negative duty cycle and delay

Specify parameter measurement    Three kinds

Mathematical operation  +, -,×, ÷

Stored waveform    Internal:20 groups of waveform and 20 kinds of setup

USB:200 pairs of waveform storage storage, 200 groups of interface

FFT Window  Hanning,Hamming,Blackman-Harris,Rectangle

Sampling point      1024 points

Lissajous's figure    phase difference   ±3degrees

Trigger frequency meter

Reading resolution  6

Trigger sensitivity  less than 30Vrms

(Typical) precision  ±51ppm (+1 word)

 

Display

Display type   Diagonal with diagonal of 178mm (7 inches)

Display resolution  800 (horizontal) ×RGB×480 (vertical pixels)

Display color  color

Waveform display area   Level 12, 25 dot/div; 8 vertical, 25 dot/div

Contrast (typical)   adjustment

(Typical) backlight

strength   300nit

Category of display

language  Simplified Chinese, traditional Chinese, English, Spanish, Portuguese, French

Interface functions

Standard configuration   1USB OTG

 

Power

Power voltage 100-240VACRMS,45-440Hz,CAT II

Power

consumption   To be less than 30VA

Fuse F1.6AL 250V on power

board in the machine.

 

environment

Temperature range  operation:0°C~+40°C

Non-operation:-20°C~+60°C

Cooling method     Fan force to cool

Humidity range      less than +35°C:less than 90%RH

+35°C~+40°C:less than 60%RH)

altitude

       Operation: less than 3,000m

Non-operation: less than15,000