L-212 Power up Back side Packaged Packaged




Analog oscilloscope


L-212: DC-20MHz   



Dual channels/dual traces, X-Y mode
6″ display, high brightness oscilloscope tube
High sensitivity triggering, up to 1mV/division clearer display than ordinary oscilloscope

TV synchronous separation circuit to observe stable TV signal

Triggering mode: AUTO/NORM/AV-V/AV-H

Vertical: ALT/CHOP/ADD


Polarity reversal

CH1 Sync output

Power supply: AC 220V ADN (110V optional)



CRT: 6 inches rectangular screen with internal graticule, 8*10div (1 div=1cm).

Vertical deflection

Display mode: CH1, CH2, CH3, ADD, ALT, and CHOP

Deflection factor: 5mV/div to 5V/div±3 %,( 1mV/div to 1V/div±5% at*5), 10steps.

Rise time: ≤17.5ns

Max. Input voltage: 40v (DC+AC peak value) when≤1KHz

Input coupling: AC, DC, Grounding

Polarity selection :±( CH2 only)


Horizontal deflection

Display mode: 1, 10, X-Y

Time Base: 0.2us/div to 0.5s/div, 20 range

Sweep expansion width: *10

Accuracy: ±3%


Triggering System:

Triggering mode: NORM, AUTO, TV-V, TV-H

Triggering sourde: CH1, CH2, LINE, EXT

Sensitivity and Frequency: Auto: 20Hz—100MHz (VERT)

 Norm: 0.5div int, 0.8Vp—p EXT

0.5div INT, 0.5vp—PEXT

TV-H: At least 1 div or 1V p-p,

Input impedance: 1MΩ


X-Y Operation

X-Y Phase difference: ≤3o,DC–50KHz



Calibration waveform: Frequency: 1KH 20%, Voltage: 0.5v1%

Power supply: AC 220V/110V±10%, 50/60Hz

Dimensions: 370*310*130mm  Weight:8.5-9.5KG