1. Kirish
The OWON SDS220S-200MHz is a high-performance dual-channel desktop oscilloscope integrated with a 25MHz waveform generator. This device features a 200MHz bandwidth, 1GSa/s sample rate, and a 20M record length, making it suitable for various electronic measurement and analysis tasks. It supports 30 automatic waveform measurements, FFT Spectrum Analysis, and PC communication via USB for remote control and secondary development using SCPI and LabVIEW. This manual provides essential information for the safe and effective operation of your SDS220S-200MHz oscilloscope.

Figure 1.1: OWON SDS220S-200MHz Multifunctional Digital Oscilloscope overview, highlighting its 2 channels, 20M record length, 1GSa/s real-time sample rate, and 25MHz waveform generator.
2. Xavfsizlik ma'lumotlari
To prevent electric shock or personal injury, and to avoid damage to the oscilloscope or connected equipment, observe the following safety precautions:
- To'g'ri topraklama: Ensure the oscilloscope is properly grounded. The instrument is grounded through the power cord's grounding conductor. To avoid electric shock, the grounding conductor must be connected to earth ground.
- To'g'ri ulang va uzing: Connect the probe output to the oscilloscope input before connecting the probe to the circuit under test. Disconnect the probe from the circuit under test before disconnecting it from the oscilloscope.
- Barcha terminal reytinglariga rioya qiling: To prevent fire or shock hazard, observe all ratings and markings on the instrument. Consult the product manual for more information about ratings before making connections to the instrument.
- Use Proper Probes: Use only probes supplied with the instrument or recommended by the manufacturer. Ensure probes are rated for the voltage and current being measured. The included P4250 High Voltage Probe has a 100:1 attenuation ratio and is rated for 2KV Working Voltage (Vp-p).
- Ochiq elektron sxemalardan saqlaning: Quvvat mavjud bo'lganda ochiq ulanishlar yoki qismlarga tegmang.
- Shubhali nosozliklar bilan ishlamang: If you suspect damage to the instrument, have it inspected by qualified service personnel.
- Quruq sharoitlarni saqlang: Asbobni nam yoki quruq havoda ishlatmangamp sharoitlar.
- Operate in a Well-Ventilated Area: Haddan tashqari issiqlikning oldini olish uchun to'g'ri shamollatishni ta'minlang.
3. Mahsulot tugadiview
3.1 Asosiy xususiyatlar
- 200MHz Bandwidth, Dual Channel
- 1GSa/s Sample Rate (Dual-channel Independent)
- 20M Record Length
- Built-in 25MHz Waveform Generator (1CH AWG, 125MSa/s Real-time Sample Rate, 8K Arbitrary waveform length)
- 7-inch TFT LCD (800*480 pixels resolution)
- Support for 30 Automatic Waveform Measurements
- FFT spektr tahlili
- SCPI and LabVIEW support for remote control and secondary development
- USB Device interface for PC communication
- 16 Waveform Storage locations
- Chastotalar hisoblagichi
- Compact and lightweight design (1.1KG / 2.42 lbs)
3.2 Old panel komponentlari

Figure 3.1: Front panel of the SDS220S, showing the display, button and knob control area, power switch, function keys, probe compensation output, oscilloscope signal input ports (CH1, CH2), and signal generator output port.
3.3 Orqa panel komponentlari

Figure 3.2: Rear panel of the SDS220S, illustrating the foldable handle, ventilation holes, power socket, USB Device interface for PC connection, and the integrated stand.
3.4 Included Accessories: P4250 High Voltage zond
The SDS220S includes an extra P4250 High Voltage Probe. This probe is designed for high voltage measurements and features:
- Tarmoqli kengligi: 250 MGts
- Attenuation Ratio: 100:1
- Kirish qarshiligi: 100MŌ
- Maksimal kirish hajmitage: 2KV Working Voltage (Vp-p)

Figure 3.3: The P4250 High Voltage Probe, an included accessory, with its detailed specifications table.
4. Sozlash
4.1 Paketni ochish va tekshirish
- Osiloskopni va barcha aksessuarlarni ehtiyotkorlik bilan qadoqdan chiqarib oling.
- Inspect the device for any signs of damage during transit. If damage is found, contact your supplier immediately.
- Qadoqlash ro'yxatida ko'rsatilgan barcha narsalar mavjudligini tekshiring.
4.2 Quvvatga ulanish
- Connect the provided power cord to the power socket on the rear panel of the oscilloscope.
- Plug the other end of the power cord into a grounded AC power outlet. Ensure the power supply voltage matches the requirements specified on the device label.
4.3 Dastlabki yoqish
- Press the power switch located on the front panel to turn on the oscilloscope.
- The device will perform a self-test and display the startup screen.
4.4 Zond ulanishi va kompensatsiyasi
- Connect the BNC connector of the oscilloscope probe to one of the input channels (CH1 or CH2) on the front panel.
- Attach the probe tip to the probe compensation output (5V/1kHz signal) on the front panel.
- Ekranda tekis kvadrat to'lqin paydo bo'lguncha zonddagi kompensatsiya trimmerini sozlang. Bu aniq o'lchovlarni ta'minlaydi.
5. Foydalanish bo'yicha ko'rsatmalar
5.1 Osiloskopning asosiy ishlashi
The SDS220S allows for precise visualization and analysis of electrical signals.

Figure 5.1: The SDS220S oscilloscope in operation, displaying a waveform on its screen while connected to a circuit.
- Connecting to a Circuit: Connect the compensated probe to the desired test point on your circuit.
- Vertikal shkala (Volt/Div): dan foydalaning Vertikal knob to adjust the vertical sensitivity, changing the voltage scale per division on the display.
- Vertikal joylashuvi: dan foydalaning Lavozim knob in the Vertical section to move the waveform up or down on the screen.
- Gorizontal masshtab (Vaqt/Bo'linish): dan foydalaning Gorizontal knob to adjust the time base, changing the time scale per division.
- Gorizontal holat: dan foydalaning Lavozim knob in the Horizontal section to shift the waveform left or right.
- Ishga tushirish: The Trigger section controls when the oscilloscope starts acquiring data. Adjust the trigger level to stabilize the waveform. The SDS220S supports Edge and Video trigger types.
- Avtomatik o'lchovlar: ni bosing O'lchov button to access the automatic measurement menu. The SDS220S supports 30 types of automatic measurements (e.g., Period, Frequency, Vpp, Vmax, Vmin, Rise Time, Fall Time).

Figure 5.2: The SDS220S displaying the menu for 30 automatic waveform measurements, allowing for detailed signal analysis.
5.2 To'lqin shakli generatorining ishlashi
O'rnatilgan 25MHz to'lqin shakli generatori turli xil standart va ixtiyoriy to'lqin shakllarini ishlab chiqarishi mumkin.

Figure 5.3: The SDS220S functioning as both an oscilloscope (left) and a waveform generator (right), demonstrating its dual capabilities.
- Chiqishni ulash: Connect the signal generator output port to the desired input of your circuit or to an oscilloscope channel for monitoring.
- Select Waveform: Use the function keys to select the desired waveform type (Sine, Square, Ramp, Pulse, Arbitrary). The SDS220S offers 5 standard waveforms and over 160 kinds of arbitrary waveforms.
- Parametrlarni sozlash: Use the control knobs and menu options to set the frequency (up to 25MHz), amplitude (5mVpp to 3Vpp), and DC offset of the generated waveform.
5.3 Kengaytirilgan funksiyalar
- FFT Spectrum Analysis: ni bosing Matematika button and select FFT to analyze the frequency components of a signal.
- XY rejimi: This mode is used to display the relationship between two signals, often for phase comparison.
- Save/Recall: The oscilloscope allows saving and recalling up to 16 waveforms for later analysis or comparison.
- Kompyuterga ulanish: Connect the oscilloscope to a PC via the USB Device interface for remote control and data transfer. The device supports SCPI commands and LabVIEW for custom applications.

Figure 5.4: The SDS220S connected to a laptop via USB, demonstrating its capability for remote control and secondary development using SCPI and LabVIEW dasturiy ta'minot.
6. Xizmat ko'rsatish
6.1 Qurilmani tozalash
Osiloskopingizning ishlashi va tashqi ko'rinishini saqlab qolish uchun:
- Tozalashdan oldin elektr simini ajratib oling.
- Yumshoq matodan foydalaning dampened with a mild detergent solution to clean the exterior surfaces. Do not use abrasive cleaners or solvents.
- Displey uchun ekranlar uchun maxsus mo'ljallangan yumshoq, tuksiz matodan foydalaning.
- Ensure no liquid enters the device through ventilation holes or ports.
6.2 Zondni parvarish qilish
- Store probes carefully to prevent damage to the tips or cables.
- Regularly check probe cables for cuts or damage. Replace damaged probes immediately.
- Recalibrate probes periodically, especially after significant temperature changes or if measurements appear inaccurate.
7. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
Ushbu bo'limda siz duch kelishi mumkin bo'lgan umumiy muammolarning echimlari keltirilgan.
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| Quvvat yo'q | Power cord not connected; Power outlet faulty; Device fuse blown | Elektr simining ulanishini tekshiring; Elektr rozetkasini tekshiring; Sug'urta almashtirish uchun xizmat ko'rsatish markaziga murojaat qiling. |
| To'lqin shakli ko'rsatilmagan | Probe not connected; Input signal too small/large; Trigger settings incorrect; Channel turned off | Ensure probe is connected to input and circuit; Adjust Vertical Scale (Volts/Div); Adjust trigger level and mode; Ensure channel is enabled. |
| Buzilgan to'lqin shakli | Probe compensation incorrect; Probe bandwidth insufficient; Signal integrity issues | Perform probe compensation; Use a probe with appropriate bandwidth (e.g., P4250 for high frequency); Check signal source. |
| Waveform unstable | Trigger level or mode incorrect; Noise in signal | Adjust trigger level and mode; Use averaging mode to reduce noise. |
| Waveform generator output not working | Output cable not connected; Output enabled setting incorrect; Parameters set to zero | Connect output cable; Ensure waveform generator output is enabled in menu; Check frequency and amplitud sozlamalari. |
8. Texnik shartlar
8.1 Osiloskop parametrlari
| Parametr | Spetsifikatsiya |
|---|---|
| Analog tarmoqli kengligi | 200 MGts |
| Kanallar | 2 |
| Sampling darajasi | 1GSa/s |
| Max Record Length | 20 mln |
| Kirish ulanishi | DC, AC, Ground |
| Vertikal sezgirlik diapazoni | 2 mV/div ~ 10 V/div |
| Vertikal o'lchamlari | 8 bits (2 Channels Simultaneously) |
| Waveform Storage | 16 To'lqin shakllari |
| Trigger turi | Edge, Video |
| Vaqt bazasi diapazoni | 2ns/div ~ 1000s/div, Step by 1-2-5 |
| To'lqin shakli matematikasi | +, -, ×, ÷, FFT |
| Kirish empedansi | 1MΩ±2%, In Parallel with 20 pF±5 pF |
| Skanerlash rejimlari | Normal, Peakdetect, Averaging |
| Aloqa interfeysi | USB Host and Device |
8.2 Waveform Generator Parameters
| Parametr | Spetsifikatsiya |
|---|---|
| Max Frequency Output | 25 MGts |
| Kanallar | 1CH AWG |
| Sample Rate | 125MSa / s |
| Arbitrary Waveform Length | 8K |
| Chiqish Ampkenglik | 5mVpp to 3 Vpp (50Ω) |
| Vertikal o'lchamlari | 14 bit |
| Standart to'lqin shakllari | Sinus, kvadrat, Ramp Wave, Pulse Wave, Arbitrary Wave |
| Arbitrary Waveforms | Sinc, Exponential Rise, Exponential Decline, Gaussian, more than 160 kinds |
| DC ofset | ±(3V) (High Resistance) |
8.3 Umumiy texnik shartlar
| Parametr | Spetsifikatsiya |
|---|---|
| Displey | 7-inch TFT LCD (800*480 pixels) |
| Mahsulot o'lchamlari | 11.85 x 2.76 x 6 dyuym (301 x 70 x 152 mm) |
| Element og'irligi | 2.42 funt (1.1 kg) |
| Ishlash harorati | -10°C ~ 55°C |
| Ishlash namligi | ≤90% (41°C) to ≤60% (50°C) |
| Ishlash balandligi | 3000m |

Figure 8.1: A comprehensive table detailing the specifications for both the oscilloscope and waveform generator functions of the SDS220S.

Figure 8.2: The physical dimensions of the OWON SDS220S, highlighting its compact and ultra-thin body design.
9. Kafolat va qo'llab-quvvatlash
9.1 Kafolat haqida ma'lumot
OWON products are manufactured under strict quality standards. This product is covered by a limited warranty against defects in materials and workmanship. The specific warranty period and terms may vary by region and retailer. Please retain your proof of purchase for warranty claims.
9.2 Texnik yordam
For technical assistance, troubleshooting, or service inquiries, please contact your local OWON distributor or refer to the official OWON website for support resources and contact information. When contacting support, please have your product model (SDS220S) and serial number available.