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ACCEPT AND PROCEED

Product

Analogue / Digital Storage Oscilloscope

Product ID: MDS-620

High luminance,internal graticule Toshiba CRT

The highest sampling rate is 20MS/s

Preset triggering function, pre-trigger signal observation

Two channel,two reference waveform display Simultaneous 4

Specifications:
  • DSO
    • Vertical system
      • Vertical resolution: 8 bits (28 point / DIV).
      • Accuracy: ±3% ±0.4mm (x5MAG: ±5% ±0.4mm).
      • Equivalent bandwidth: DC ~ 8MHz, -3dB, sine interpolate.
      • Interpolation: Sine / line.
    • Horizontal system
      • Maximum sample rates: 20mS/s.
      • Horizontal resolution: 10 bits (100 point / DIV).
      • Time base: 0.2us / DIV ~ 10s / DIV (x10MAG: 1s / DIV ~ 20ns / DIV).
      • Sweep mode: Auto, norm, roll.
      • Saved waveform expand rate: Maximum 100.
      • Trigger preset: DIV 2, 5, 8.
    • Display
      • View time: 0.2s ~ 5s adjustable.
      • Display memory length: 1,024 byte / CH.
      • Reference memory length: 1,024 byte / CH.
      • RS232 interface transfer rate: 19200.
  • Analog
    • Vertical axis
      • Sensitivity: 5mV ~ 5V / DIV, 10 steps in 1-2-5 sequence.
      • Sensitivity accuracy: ≤ 3% (x5MAG: ≤5%).
      • Vernier vertical sensitivity: To 1/2.5 or less of panel - indicated value.
      • Frequency bandwidth: DC ~ 20MHz (x5MAG: DC ~ 7MHz).
      • AC coupling: Low limit frequency 10Hz. (With reference to 100KHz, 8 DIV, frequency response with -3dB).
      • Rise time: Approx. 17.5ns (x5MAG: Approx. 50nS).
      • Input impedance: Approx. 1MΩ / Approx. 25pF.
      • DC balance shift: 5mV ~ 5V / DIV: ±0.5 DIV, 1mV ~ 2mV / DIV ±2.0 DIV.
      • Linearity: < ±0.1 DIV of amplitude change when waveform of 2 DIV at graticule center is moved vertically.
      • Simultaneously: ALT or CHOP selectable at any sweep rate; ADD: CH1 + CH2 algebraic addition.
      • Vertical modes: CH1 single channel; CH2 single channel; DUAL: CH1 and CH2 are displayed simultaneously.
      • Chopping repetition frequency: Approx. 250KHz.
      • Input coupling: AC, GND, DC.
      • Maximum input voltage: 300V peak (AC: frequency 1KHz or lower).
      • Common mode rejection ratio: 50:1 or better at 50KHz sinusoidal wave.
      • Isolation between channels (at 5mV / DIV range): > 1000:1 at 50KHz; > 30:1 at 20MHz.
      • CH1 signal output: At least 20mV / DIV into a 50Ω termination. Bandwidth is 50Hz to at least 5MHz.
      • CH2 INV BAL: Balanced point variation: ≤1 DIV (reference at center graticule).
    • Triggering
      • Triggering source: CH1, CH2, LINE, EXT.
      • Coupling: AC: 20Hz to 20MHz.
      • Slope: + / -.
      • Sensitivity: 20Hz ~ 2MHz: 0.5DIV, TRIG-ALT: 2DIV, EXT: 200mV; 2 ~ 20MHz: 1.5DIV, TRIG-ALT: 3DIV, EXT: 800mV; TV: Sync pulse more than 1DIV (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.
    • Horizontal axis
      • Sweep time: 0.2uSec ~ 0.5Sec / DIV, 20 steps in 1-2-5 sequence.
      • Sweep time accuracy: ±3%.
      • Vernier sweep time control: ≤1/2.5 of panel - indicated value.
      • Sweep magnification: 10 times.
      • x10MAG sweep time accuracy: ±5% (20nsec ~ 50nsec are uncalibrated).
      • Linearity: ±5%, x10MAG: ±10% (0.2s ~ 1us).
      • Position shift caused by x10MAG: 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 vertical axis. (X-axis: CH1 input signal: Y-axis: CH2 input signal).
    • Z axis
      • Sensitivity: 5Vp-p (Positive-going signal: decreases intensity).
      • Frequency bandwidth: DC ~ 2MHz.
      • Input Impedance: Approx. 47kΩ.
      • Maximum input voltage: 30V (DC + AC peak, AC frequency ≤ 1KHz).
    • 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.
      • Effective screen size: 8 x 10DIV [1DIV = 10mm (0.39in)].
      • Trace rotation: Provided.
Features:
  • High luminance, internal graticule CRT.
  • Fmax = 20MS/s.
  • Store depth: 1K x CH2 + 1K x 2 (reference memories).
  • Preset triggering function, pre-trigger signal observation.
  • Two channel, two reference waveform display simultaneous 4 waveform information.
  • The minimum sweeping speed is 10s / DIV. The ration measures the ultra low frequency signals.
  • Measure and display single shot, non-period signals.
  • Built-in RS232 interface for communication with the computer.
  • Analog, ultra low speed and storage oscilloscope, three in one.
  • 20MHz dual channel.
  • High sensitivity 1mV / DIV.
  • Z axis input.
  • CH1 output.
  • 10 times sweep magnification.
  • TV synchronization, X-Y mode.
Contact Detail
CEO:Mr. Simon Yang
Address:No. 17, Alley 53, Lane 22, Wun-Teh Rd., Nei-Hu Taipei, 114 Taiwan
TEL:886-2-27977751
FAX:886-2-27991956
Email:simon123@seed.net.tw
URL:http://www.lodestarelec.com
ZIP:114