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Vartech® SS-5020B
20 MHz Dual Channel Analog Oscilloscope (CRO)
Classic dual-channel 20 MHz CRO with ALT triggering and ×10 sweep magnification — proven reliability for electronics labs and service workshops.
— Vartech® Oscilloscopes
SS-5030B 30 MHz Dual Channel Analog Oscilloscope (CRO)
30 MHz dual-channel CRO with ALT triggering — 50% more bandwidth than the SS-5020B for faster signals and audio/RF work.
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About This Instrument
The Vartech SS-5030B is a 30 MHz dual-channel analog oscilloscope sharing the same proven 6-inch CRT platform as the SS-5020B but with extended bandwidth to 30 MHz. Vertical sensitivity is 5 mV to 5 V/div (±3%), sweep covers 0.2 µS to 0.5 S/div with ×10 magnification, and trigger modes include AUTO, NORM, TV-V and TV-H. Suitable for audio, power electronics, switching power supply and general embedded system signal work.
Key Features
- 30 MHz bandwidth — DC (AC 10 Hz) to 30 MHz (−3 dB); rise time ≤17.5 nS
- Dual channel (CH1, CH2, DUAL ALT/CHOP, ADD, CH2 INV)
- 5 mV to 5 V/div vertical sensitivity (±3%)
- ×10 sweep magnification — extends max sweep to 20 nS/div
- ALT, AUTO, NORM, TV-V, TV-H trigger modes with CH1, CH2, ALT, LINE, EXT sources
- Built-in 1 kHz calibrator output (2 Vp-p ±2%)
Technical Specifications
| CRT | 6-inch rectangular, internal graticule 8×10 div (1 div = 1 cm), accelerating voltage 2 kV |
| Bandwidth | DC (AC 10 Hz) ~ 30 MHz (−3 dB) |
| Rise Time | ≤17.5 nS |
| Vertical Sensitivity | 5 mV ~ 5 V / div (±3%) |
| Max. Input Voltage | 400 V (DC + AC p-p) |
| Input Coupling | AC, DC, GND |
| Input Impedance | ≈1 MΩ // 25 pF |
| Vertical Mode | CH1, CH2, DUAL (ALT/CHOP), ADD, CH2 INV |
| Sweep Time | 0.2 µS ~ 0.5 S / div (±3%); ×10 Mag: 20 nS ~ 50 mS / div (±5%) |
| Sweep Magnification | ×10 (max sweep time = 20 nS / div) |
| Trigger Modes | AUTO, NORM, TV-V, TV-H |
| Trigger Source | CH1, CH2, ALT, LINE, EXT |
| Trigger Sensitivity | CH1/CH2: 0.5 div (20 Hz ~ 2 MHz) / 1.5 div (2 ~ 30 MHz); EXT: 200 mV / 800 mV |
| Calibrator Output | 1 kHz square wave, 2 Vp-p (±2%) |
| X-Y Sensitivity | 5 mV ~ 5 V / div (±4%); Phase error ≤3° (DC ~ 50 kHz); X-axis bandwidth DC ~ 500 kHz |
| Power Supply | AC 220 V ±10%, 50 Hz, ≈35 W |
| Accessories | Operating manual, mains cord. Probes (×1 / ×10) optional. |
| Dimensions & Weight | 310 (W) × 150 (H) × 455 (D) mm | Approx. 8 Kg |
Specifications sourced from the official Vartech product catalogue. Download above for the full datasheet.
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