Buy Lodestar Analog Oscilloscope LMOS640

Lodestar Analog Oscilloscope LMOS640 - 40MHz

₦ 514,086.12 ₦ 541,143.28 -5%

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Product SKU: RENG122764

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Product Specifications
Description

Specifications:

Horizontal system

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 (20MHz) / Approx. 12KV (40MHz).
Effective screen size: 8 x 10DIV [1DIV = 10mm (0.39in)].
Graticule: Internal.
Trace rotation: Provided.
Vertical axis

Sensitivity: 5mV ~ 20V / DIV, 12 steps in 1-2-5 sequence.
Sensitivity accuracy: ≤ 3% (x5MAG ≤ 5%).
Vernier vertical sensitivity: Continuously variable to 1 / 2.5 or less of panel - indicated value.
Frequency bandwidth:
DC ~ 20MHZ (x5 MAG: DC ~ 7MHz).
DC ~ 40MHz (x5 MAG: 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 waveform of 2DIV at graticule center is moved vertically.
Vertically 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.
CH1 signal output: At least 20mV / DIV into a 50Ω termination. Bandwidth is 50Hz to at least 5MHz.
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: 0.5DIV, TRIG-ALT: 2DIV, EXT: 200mV; TRIG-ALT: 3DIV, EXT: 800mV, 2 ~ 20MHz: 1.5DIV; 20MHz - 40MHz: 2.5DIV; 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.
» Features:

High luminance, internal graticule CRT.
Encoder for sweep and vert mode switch.
ALT triggering function, two independent signals simultaneous observation.
Triggering level lock function, automatic synchronize function.
Built-in 1000:1 attenuator expended vertical sensitivity to 10V ~ 20V / DIV.
20MHz / 40MHz dual channel.
High sensitivity 1mV / DIV.
Z axis input.
CH1 output.
10 times sweep magnification.
TV synchronization, X-Y mode.