1. Toote lõppview
The OWON HDS241 is a versatile 3-in-1 handheld device integrating a single-channel oscilloscope, a 24000-count digital multimeter, and a 100kHz signal generator. Designed for both outdoor and indoor use, it offers a compact form factor with powerful measurement capabilities for various electrical and electronic applications.

Image 1.1: The OWON HDS241 device, highlighting its oscilloscope, multimeter, and signal generator functions.
2. Ohutusalane teave
Before using the OWON HDS241, please read and understand all safety instructions to prevent electric shock, injury, or damage to the device. Keep this manual for future reference.
- Üldine ohutus: Kasutage seadet alati ettenähtud helitugevuse piirestage and current limits. Do not operate the device in wet or damp tingimused.
- Sondi ohutus: Ensure probes are correctly connected and rated for the measurement being performed. Avoid touching exposed wiring or components when the device is powered on.
- Aku ohutus: Use only the specified battery type. Do not disassemble, crush, or expose the battery to extreme temperatures.
- Hooldus: Refer all servicing to qualified personnel. Do not attempt to repair the device yourself.
3. Põhiomadused
- Digitaalne multimeeter: 4 1/2 digit True RMS digital multimeter for measuring AC/DC voltage/current, resistance, diode, capacitance, and continuity. Maximum input voltage is AC 750V, DC 1000V.
- Signal Waveform Generator: 1-channel 100 kHz generator supporting sine, square, ramp, and pulse wave outputs. Maximum output amplitude is 2.5 Vpp.
- Ostsilloskoop: Waveform refresh rate up to 10,000 wfms/s, 40MHz bandwidth, and real-time sampling rate up to 250MSa/s. Features auto-setup, multiple measurement functions, 8K record length, cursor measurement, and slow scan mode for long-term signal monitoring.
- Kompaktne disain: Portable form factor with a 3.5-inch high-definition color LCD screen, suitable for various environments.
- Pikk aku tööiga: Low-power design with a 2000 mAh high-capacity lithium battery and standard Type-C port for charging and power bank compatibility.
4. Pakendi sisu
The standard package for the OWON HDS241 includes:
- OWON HDS241 Handheld Oscilloscope Unit
- Test Leads for Multimeter
- Ostsilloskoobi sond
- C-tüüpi USB-kaabel
- Kasutusjuhend (see dokument)
Note: Additional accessories such as a BNC-to-alligator clip cable or carrying case may need to be purchased separately.
5. Seadme paigutus ja juhtnupud
Familiarize yourself with the physical components and controls of the HDS241.

Pilt 5.1: Ees ja külg view of the OWON HDS241 with key controls and ports labeled. Labels include: signal input connector, display area, multifunction keys, channel key, mode switching key, system settings, save settings, power button, relative value/activation menu key, multimeter input port, horizontal time base setting/signal adjustment, return key, range switch/measurement menu key, arrow keys, auto range/auto setting key, hold value/Stop/Run key, probe compensation output (2.5V/1kHz square wave or signal generator output), USB charging/communication interface, approximate weight (0.6 kg host, excluding battery), gross weight (1.2 kg).

Image 5.2: Detail of the BNC connector, designed for safety and signal integrity, with external rubber coating.
6. Algseadistus
6.1 Seadme laadimine
The HDS241 is equipped with a built-in 2000 mAh lithium battery. Before first use, fully charge the device using the provided USB Type-C cable and a compatible power adapter (not included) or a computer USB port.
- Connect the USB Type-C cable to the device's Type-C port.
- Ühendage kaabli teine ots USB-toiteallikaga.
- Laadimisindikaator näitab laadimise olekut.

Image 6.1: The USB Type-C charging port and internal battery compartment, emphasizing long-lasting performance.
6.2 Sisse-/väljalülitamine
Vajutage ja hoidke all nuppu Võimsus nuppu seadme sisse- või väljalülitamiseks.
7. Töörežiimid
The HDS241 features three primary operating modes: Oscilloscope, Multimeter, and Signal Generator. Press the Režiim nuppu nende funktsioonide vahel vahetamiseks.
7.1 Ostsilloskoobi režiim
In Oscilloscope mode, the device displays real-time waveforms, allowing for detailed analysis of electrical signals. Connect the oscilloscope probe to the BNC connector on the top of the device.
- Auto-Setup: Vajutage nuppu Automaatne button for automatic scaling and positioning of the waveform.
- Mõõdud: Kasutage Mõõtke menu (accessed via F1) to select automatic measurements like Frequency, Period, Amplitude, Max, Min, Peak-to-Peak, and RMS.
- Kursori mõõdud: Activate cursor measurements (accessed via F2) to manually measure voltage (ΔV) and time (ΔT) differences between points on the waveform.
- Päästiku seaded: Adjust trigger type, level, and mode using the Trig/Δ nuppu.
- Horizontal/Vertical Controls: Use the navigation arrows to adjust time base (horizontal) and voltage scale (vertical).

Pilt 7.1.1: Näideamples of oscilloscope display features including dual sampling mode, high refresh rate, 8 types of auto-measurements, and cursor measurements.

Pilt 7.1.2: Näideamples of actual measured waveforms, demonstrating the oscilloscope's signal capture capabilities for different signal types.
7.2 Multimeetri režiim
In Multimeter mode, the HDS241 functions as a digital multimeter. Connect the test leads to the appropriate input ports (VΩ+C, COM, A, mA) at the bottom of the device.
- Funktsiooni valik: Kasutage Režiim button to cycle through measurement types (Voltage, Current, Resistance, Capacitance, Diode, Continuity).
- Automaatne vahemik: The device supports auto-ranging for convenient measurement.
- Andmete hoidmine: Kasutage Salvesta button or a dedicated hold function (if available) to freeze the current reading.
7.3 Signal Generator Mode
The Signal Generator mode allows the device to output various waveforms. Connect the output to the circuit under test using the appropriate cable (e.g., BNC to alligator clips, not included).
- Lainekuju valik: Use the F-keys to select sine, square, ramp, or pulse waveforms.
- Parameetrite reguleerimine: Adjust frequency and amplitude using the navigation arrows. The maximum output amplitude is 2.5 Vpp.
8. Andmehaldus
The HDS241 supports data transfer to a computer via its USB Type-C port for further analysis and record-keeping.
- Arvutiga ühendamine: Use the provided USB Type-C cable to connect the device to your computer.
- Tarkvara: Refer to the OWON website for any necessary drivers or software to facilitate data transfer and analysis.
- Andmete salvestamine: Kasutage Salvesta button to store waveform images, settings, or measurement data directly on the device.

Image 8.1: The OWON HDS241 connected to a computer for data transfer and analysis, enabling easy waveform control.
9. Hooldus
- Puhastamine: Puhastage seadet pehme ja kuiva lapiga. Ärge kasutage abrasiivseid puhastusvahendeid ega lahusteid.
- Hoiustamine: Hoidke seadet jahedas ja kuivas kohas, eemal otsesest päikesevalgusest ja äärmuslikest temperatuuridest.
- Aku hooldus: Pikaajaliseks hoiustamiseks veenduge, et aku on osaliselt laetud (umbes 50%) ja laadige seda iga paari kuu tagant, et aku tervena hoida.
- Sondi kalibreerimine: Periodically calibrate the oscilloscope probe using the dedicated probe compensation output to ensure accurate measurements.
10. Veaotsing
| Probleem | Võimalik põhjus | Lahendus |
|---|---|---|
| Seade ei lülitu sisse. | Tühja või madala laetuse tasemega aku. | Connect the device to a power source using the USB Type-C cable and allow it to charge. |
| No waveform displayed in oscilloscope mode. | Probe not connected correctly; signal too small or too large; incorrect time base or voltage skaala. | Ensure probe is securely connected. Press Automaatne for automatic setup. Adjust vertical and horizontal scales manually. Check trigger settings. |
| Multimeetri näidud on ebatäpsed. | Test leads not properly connected; incorrect measurement function selected; external interference. | Verify test lead connections. Ensure the correct measurement mode (voltage, current, resistance) is selected. Minimize external electrical noise. |
| Signal generator output is not as expected. | Incorrect waveform type, frequency, or amplitude set. | Check the selected waveform, frequency, and amplitude settings in the signal generator menu. |
11. Tehnilised andmed
Ostsilloskoobi spetsifikatsioonid:
| Parameeter | Väärtus |
|---|---|
| Ribalaius | 40 MHz |
| Kanal | 1 |
| Samplingi määr | 250MSa / s |
| Omandamise režiim | Sample, Peak Detect |
| Rekordi pikkus | Max. 8K |
| Ekraan | 3.5 tolli LCD |
| Waveform Refresh Rate | 10,000 XNUMX wfms/s |
| Sisendi sidumine | DC, AC, Ground |
| Sisendtakistus | 1 MΩ±2%, in parallel with 16 pF±10 pF |
| Sondi sumbumine | 1X, 10X, 100X, 1000X |
| Max sisend Voltage | 400V (DC + AC, PK-PK) |
| Sensitivity Resolution | 10mV/div-10V/div |
| Vertikaalne eraldusvõime | 8 bitine |
| Horisontaalne skaala | 5ns/div-1000s/div, step 1-2-5 |
| Päästiku tüüp | Edge |
| Päästikurežiim | Automaatne, tavaline, üksik |
| Automaatne mõõtmine | Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, RMS |
| Kursori mõõtmine | ΔV, ΔT |

Image 11.1: Detailed oscilloscope specifications.
Digital Multimeter Specifications:
| Parameeter | Väärtus |
|---|---|
| Kuva arv | 4½ digits (max 24000 counts) |
| Testimisrežiimid | Voltage, Current, Resistance, Capacitance, Diode, Continuity |
| Max sisend Voltage | AC 750V, DC 1000V |
| Maksimaalne sisendvool | AC 10A, DC 10A |
| Automaatne vahemik | Jah |
| Tõeline RMS | Jah |

Image 11.2: Detailed digital multimeter specifications.
Signal Waveform Generator Specifications:
| Parameeter | Väärtus |
|---|---|
| Lainekujud | Siinus, ruut, Ramp, Pulss |
| Väljundsagedus | 10Hz-100KHz |
| Amppikkus | 2Vpp-2.5Vpp |

Image 11.3: Detailed signal waveform generator specifications.
Üldised spetsifikatsioonid:
- Mõõdud: 9.6 x 3.8 x 19.8 cm
- Kauba kaal: 1.2 kilogrammi
- Toiteallikas: Battery Powered (2000 mAh Lithium Battery)
- Värv: Sinine
- Sertifikaadid: CE, True RMS
12. Garantii ja tugi
OWON products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official OWON websaidil või võtke ühendust oma kohaliku edasimüüjaga.
- Garantiiaeg: Standard manufacturer's warranty applies. Please check your purchase documentation for specific terms and duration.
- Tehniline tugi: Visit the OWON official website for FAQs, software downloads, and contact information for technical assistance.
- Tagastab: Refer to the retailer's return policy for details on product returns and exchanges.
