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Vertical System
Sweep Time: 0.2 µSec ~ 0.5 Sec/DIV, 20 steps in 1-2-5 sequence
Accuracy: ±3%
Fine: ≤1/2 of 5-panel indication scale
Sweeping Magnification: 10x
X10MAG Sweep Time Accuracy: ±5% (20nSec~50nSec not calibrated)
Linear: ±5%
X10MAG: ±10% (0.25 ~ 1µSec)
Displacement Caused by X10MAG: <2 DIV at the center of CRT
X-Y Mode
Sensitivity: Same as vertical axis
Frequency Range: DC~500kHz
X-Y Phase Error: ≤3° (DC~50kHz)
Trigger
Trigger Source: CH1, CH2, LINE, EXT
Trigger Coupling:
AC: 20Hz to full bandwidth
Trigger Slope: +/-
Sensitivity:
20Hz~2MHz: 1 DIV TRIG-ALT: 2 DIV EXT: 200mV
2MHz~20MHz: 1.5 DIV TRIG-ALT: 3 DIV EXT: 800mV
TV: Sync pulse > 1 DIV (EXT: 1V)
Trigger Mode:
AUTD: AUTO
NORM: NORM
TV Field: For TV signal observation
TV Line: Synchronizes only when the sync signal is a negative pulse
External Trigger Mode
Input Impedance: Approx. 1MΩ/25pF
Max Input Voltage: 300V (DC + AC peak)
AC Frequency: 1kHz or lower
Calibration Signal
Waveform: Square wave
Frequency: Approx. 1kHz
Duty Cycle: <48:52
Output Voltage: 2 Vp-p ±2%
Output Impedance: Approx. 1KΩ
CRT Oscilloscope Tube
Model: 6-inch rectangular internal graticule
Phosphor Powder: P31
Acceleration Voltage: Approx. 2kV (20MHz)
Valid Display: 8X10 DIV [1 DIV = 10mm (0.39in)]
Graticule: Internal
Trace Rotation: Adjustable at front panel
Technical Characteristics
Power Source: AC 220V ±10% (standard), AC 110V/220V ±10% (optional) 50Hz/60Hz, 35VA Maximum
Dimensions: 455(W) × 150(H) × 310(D) mm
Weight: Approx. 8kg
Horizontal System
Sensitivity: 5mV~5V/DIV, 10 steps in 1-2-5 sequence
Sensitivity & Accuracy: ≤3%; 1/2.5 or smaller than panel indicating scale
Frequency Range: DC~20MHz
AC Coupling: <10Hz (100kHz 8DIV frequency response: -3dB)
Rise Time: Approx. 17.5nSec
Input Resistance: Approx. 1MΩ/25pF
DC Balance Movement: 5mV~5V/DIV: ±0.5DIV
Linear: Amplitude change <±0.1DIV (waveform moves vertically in the center of the grid)
Vertical Mode
CH1/CH2 Display: Dual, displays CH1 and CH2 simultaneously, can alternate or intermittently
ADD Mode: CH1 and CH2 algebraic addition
Intermittent Repetition Frequency: Approx. 250kHz
Input Coupling: AC, GND, DC
Max Input Voltage: 300V peak (AC: Freq. ≤1kHz)
Common Mode Rejection Ratio (CMRR)
CMRR: >50:1 at 50kHz sine wave (CH1 and CH2 sensitivity set the same)
Insulation Between Channels (in the range of 5mV/DIV):
> 1000:1 50kHz; > 30:1 15MHz /> 30:1 35MHz; > 30:1 45MHz
CH2 INV BAL: Balance point change rate ≤1DIV (corresponding to the scale center)
