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Analog Oscilloscope LODESATAR MOS-620CH 20MHz DUAL Channel

৳ 35,000.00

Analog Oscilloscope DUAL Channel  1 Piece

Analog Oscilloscope LODESTAR MOS-620CH

Quick Details

Place of Origin: China Brand Name: LODESTAR Model Number: 620CH
Bandwidth: 20MHz Type: Analog Oscilloscope Channels: 2

Specifications

*Build-in 6 Digit Frequency Counter
*20MHz/40MHz/50MHz Dual Channel
*10 times sweep magnification
*TV Synchronization, X-Y mod

Feature:

  • High luminance, internal graticule CRT
  • Japanese electronic encoder, light, handy and reliable
  • Fully sealed long live vertical mode switch
  • ALT Triggering Function. Two independent signals
  • simultaneous observation
  • Build-in 6 Digit Frequency Counter
  • 20MHz/40MHz/50MHz Dual Channel
  • 10 times sweep magnification
  • TV Synchronization-Y mode

Specification

Horizontal System

  • Sweep time: 0.2uSec~0.5Sec/DIV,20steps in 1-2-5 sequence;
  • Sweep time accuracy:±3%
  • Vernier sweep time control:≤1/2.5 of panel-indicated and #118alue;
  • Sweep magnification: 10 times;
  • ×10MAG sweep time accuracy: ±5% (20nSec~50nSec are uncalibrated);
  • Linearity:±5%,×10MAG: ±10% (0.2s~1us)
  • Position shift caused by ×10MAG: within 2DIV. At CRT screen center

X-Y MODE:

  • Frequency bandwidth: DC to at least 500KHz;
  • X-Y phase difference:≤3°at DC~50KHz
  • Sensitivity: Same as the vertical axis. (X-axis: CH1 input signal; Y-axis: CH2 input signal.);

CALIBRATION VOLTAGE

  • Waveform: Positive-going square wave;
  • Frequency: Approx. 1KHz;
  • Duty ratio: Within 48:52;
  • Output voltage: 2Vp-p±2%;
  • Output impedance: Approx.1KΩ

 CALIBRATION SIGNAL 

  • Waveform: Positive-going square wave;
  • Frequency: Approx. 1KHz;
  • Duty ratio: Within 48:52;
  • Output voltage: 2Vp-p±2%;
  • Output impedance: Approx.1KΩ

 CRT

  • Type: 6-inch rectangular type, internal graticule;
  • Phosphor:P31;
  • Acceleration voltage: Approx.2KV(20MHz)/Approx.12kv(40MHz);
  • Effective screen size:8×10DIV[1DIV=10mm(0.39in)];
  • Graticule: Internal;
  • Trace rotation: Provided

VERTICAL AXIS

  • Sensitivity:5mV~5V/DIV,10 steps in 1-2-5sequence
  • Sensitivity accuracy:≤3%
  • Vernier vertical sensitivity: Continuously variable to 1/2.5 or less of panel-indicated and #118alue Frequency
  • bandwidth: DC~20MHz(x5MAG: DC~7MHz)/DC~40MHz(x5MAG: DC~15MHz)DC~50MHz(X5MAG: DC~15MHz)
  • AC coupling: Low limit frequency 10Hz. (With reference to 100KHz, 8DIV, Frequency response with-3dB.)
  • Rise time: Approx.17.5ns (x5 MAG: Approx.50nS) Approx.8.75ns (x5 MAG: Approx.25nS)
  • Approx.7ns (x5 MAG: Approx.23.3nS)
  • Input impedance: Approx.1MΩ/Approx.25pF
  • DC balance shift: 5mV~5V/DIV: ±0.5DIV, 1mV~2mV/DIV ±2.0DIV
  • Linearity:<±0.1DIV of amplitude change when the waveform of 2DIV at graticule center is moved vertically
  • vertical modes: CH1 single channel; CH2 single channel; DUAL: CH1 and CH2 are displayed
  • Simultaneously. ALT or CHOP selectable at any sweep rate; ADD: CH1+CH2 algebraic addition
  • Chopping repetition frequency: Approx. 250KHz
  • Input coupling: AC, GND,  DC
  • Maximum input voltage: 300Vpeak (AC: frequency 1KHz or lower);
  • common-mode rejection ratio: 50:1 or better at 50KHz sinusoidal wave.
  • (When sensitivities of Ch1 and Ch2 are set equally)
  • Isolation between channels (At 5mV/DIV range): >1000:1 at 50KHz; >30:1 at 15MHz/>30:1 at 35MHz/>30:1 at 45MHz
  • CH2 INV BAL: Balanced point variation:≤1DIV (Reference at center graticule)

TRIGGERING

  • Triggering source: CH1,CH2,LINE,EXT
  • Coupling: AC: 20Hz to full bandwidth
  • SLOPE:+/-
  • Sensitivity: 20Hz~2MHz:1DIV, TRIG-ALT:2DIV EXT:200mV;TRIG-ALT:3DIV,EXT:800mV;
  • 2~20MHz:1.5DIV;20MHz~40MHz:2.5DIV;40MHz~50MHz:3DIV;
  • TV: Sync pulse more than 1 DIV (EXT:1V)
  • Triggering modes: AUTO; NORM: TV-V: TV-H: (Both TV-V and TV-H synchronize only when the synchronizing signal is negative)
  • EXT triggering signal input: Input impedance/: Approx:1MΩ/approx.25pF;
  • Max. input voltage:300V (DC+AC peak), AC: Frequency not higher than 1KHz

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