1. Introducció
The OWON HDS241 is a versatile 3-in-1 handheld device that integrates a single-channel oscilloscope, a 24,000-count digital multimeter, and a 100KHz signal generator. Designed for portability and efficiency, it is suitable for various electrical testing and measurement applications. This manual provides detailed instructions for safe and effective use of your device.
Precaucions de seguretat: Always observe general safety rules when operating electrical equipment. Ensure proper connections and use appropriate probes for the measurement task. Do not exceed the maximum input ratings of the device.
2. Producte acabatview
The HDS241 combines three essential functions into one compact unit:
- Oscil·loscopi: Features a 40 MHz bandwidth, 250 MSa/s real-time sampling rate, and a waveform refresh rate of up to 10,000 wfms/s. It supports auto-setup, multiple measurement functions, cursor measurement, and a slow sweep mode for long-term signal monitoring.
- Multímetre digital: A 4½-digit True RMS multimeter with 24,000 counts. It can measure AC/DC voltage, AC/DC current, resistance, diode, capacitance, and perform continuity tests. Maximum input voltage is AC 750V and DC 1000V.
- Generador de senyal: A single-channel generator with a frequency range of up to 100 kHz. It supports sine, square, ramp, and pulse waveform outputs with a maximum amplitude of 2.5 Vpp.
The device features a 3.5-inch high-definition color LCD screen for clear display of waveforms and measurement data. Its robust design includes a rubber coating for durability and improved grip.
Figura 2.1: The OWON HDS241 device, showcasing its 3-in-1 functionality as an oscilloscope, multimeter, and signal generator. Key specifications for each mode are listed alongside the device.
Figura 2.2: A comprehensive diagram illustrating the various buttons, ports, and display areas of the OWON HDS241, including the viewing area, multi-function keys, channel key, mode change key, system configuration, save button, power button, multimeter input port, horizontal adjustment, measurement range switch, arrow keys, auto range key, hold/run key, signal input connector, probe compensation output, and USB charge/communication interface.
3. Configuració
3.1 Instal·lació i càrrega de la bateria
The HDS241 is powered by a high-capacity 2000 mAh lithium battery. The device features a low-power consumption design for extended operation.
- Càrrega: Connect the device to a power source using the standard USB Type-C port. You can use a compatible adapter or a power bank.
- Durada de la bateria: The battery provides long-lasting performance. Actual usage time may vary based on operating conditions.
Figura 3.1: This image shows the internal battery compartment of the OWON HDS241, revealing two 18650 lithium batteries, and highlights the USB Type-C port for charging and PC connection.
3.2 Connexió de sondes
For oscilloscope measurements, connect the probe to the BNC connector. For multimeter functions, use the provided test leads with the multimeter input ports.
- BNC Connector: The BNC connector features an external rubber coating to enhance safety and prevent external interference. It supports high-voltage probes for accurate and reliable signal capture.
Figura 3.2: This image highlights the BNC connector with external rubber coating for safety and interference prevention. It also illustrates the difference between conventional measurement (accurate only for sine waves) and True RMS measurement (accurately measures all current waveforms).
3.3 Engegada/apagada
Press and hold the power button (refer to Figure 2.2 for location) to turn the device on or off.
4. Instruccions de funcionament
4.1 Mode d'oscil·loscopi
To enter Oscilloscope mode, press the 'Mode' button until the oscilloscope interface is displayed.
- Basic Waveform Display: Connect the probe to the signal source. The waveform will be displayed on the screen.
- Auto-Setup: Press the 'Auto' button for automatic adjustment of vertical, horizontal, and trigger settings to quickly display a stable waveform.
- Funcions de mesura: The HDS241 offers various measurement capabilities:
- Mesures automàtiques: Includes Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, and RMS.
- Mesura del cursor: Use the cursor function to measure voltage difference (ΔV) and time difference (ΔT) between two points on the waveform.
- Desar dades: Connect the device to a computer via the USB Type-C port. The included PC software allows you to save waveform images and data for further analysis.
Figura 4.1: This image details the oscilloscope's advanced features, including Dual Sampling Mode for interference detection, High Refresh Rate (10,000 wfms/s) and Deep Storage (8K record length), 8 Types of AutoMeasurements (Frequency, Period, Amplitude, Max, Min, Mean, PK-PK, RMS), and Cursor Measurement for ΔV and ΔT. It also shows the Save Function for reference waveforms.
Figura 4.2: This image displays four examples of waveforms captured by the OWON HDS241: a Mains Waveform with peak highlighted, a TV Signal Wave, a PLC Pulse Wave, and a Multi-Audio Frequency Response Signal, demonstrating its versatility in signal analysis.
Figura 4.3: The OWON HDS241 is shown connected to a laptop via a USB cable, demonstrating its capability to save waveform images and data for further analysis on a computer.
4.2 Mode multímetre
To enter Multimeter mode, press the 'Mode' button until the multimeter interface is displayed.
- Mides: The multimeter supports measuring AC/DC voltage, AC/DC current, resistance, diode, capacitance, and continuity. Select the desired measurement function using the appropriate buttons.
- RMS veritable: The HDS241 features True RMS measurement, which is essential for accurately measuring non-sinusoidal AC waveforms.
- Interval automàtic: The device automatically selects the appropriate measurement range for convenience.
Figura 4.4: The OWON HDS241 is depicted in an outdoor setting, connected to a car battery with multimeter probes, illustrating its practical application for electrical measurements.
4.3 Mode generador de senyals
To enter Signal Generator mode, press the 'Mode' button until the signal generator interface is displayed.
- Selecció de forma d'ona: Choose from sine, square, ramp, or pulse waveforms.
- Freqüència i Amplatitud: Adjust the output frequency (up to 100 kHz) and amplitude (up to 2.5 Vpp) as required for your testing needs.
5. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar el dispositiu. No utilitzeu productes de neteja abrasius ni dissolvents.
- Cura de la bateria: Per allargar la durada de la bateria, eviteu descarregar-la completament amb freqüència. Carregueu el dispositiu regularment, sobretot si l'emmagatzemareu durant un període prolongat.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
6. Solució De Problemes
If you encounter issues with your OWON HDS241, consider the following basic troubleshooting steps:
- El dispositiu no s'encén: Assegureu-vos que la bateria estigui carregada. Connecteu el dispositiu a una font d'alimentació amb el cable USB tipus C i torneu-ho a provar.
- No waveform displayed: Check that the probe is correctly connected to both the device and the signal source. Verify the signal source is active. Try using the 'Auto' button to adjust settings.
- Incorrect multimeter readings: Ensure the test leads are properly inserted into the correct input jacks for the measurement type (e.g., voltage, current, resistance). Check the integrity of the test leads.
- Lectures inestables: Ensure connections are secure and there is no external interference.
For further assistance, please contact OWON customer support.
7. Especificacions
Figura 7.1: This image presents a detailed table of technical specifications for the OWON HDS241, covering its oscilloscope, digital multimeter, and waveform generator functions.
7.1 Especificacions de l'oscil·loscopi
| Característica | Especificació |
|---|---|
| Ample de banda | 40 MHz |
| Canal | 1 |
| Sampfreqüència ling | 250 MSa/s |
| Model d'adquisició | Sample, Peak detection |
| Durada del registre | Màx. 8K |
| Mostra | LCD de 3.5 polzades |
| Freqüència d'actualització de la forma d'ona | 10,000 wfms/s |
| Acoblament d'entrada | CC, CA, Terra |
| Impedància d'entrada | 1 MΩ ± 2%, en paral·lel amb 16 pF ± 10 pF |
| Atenuació de la sonda | 1x, 10x, 100x, 1000x |
| Màx. Vol d'entradatage | 400V (DC+AC, PK-PK) |
| Resolució de sensibilitat | 10mV/div-10V/div |
| Resolució vertical | 8 bits |
| Escala horitzontal | 5ns/div-1000s/div, Step 1-2-5 |
| Tipus de disparador | Edge |
| Mode d'activació | Automàtic, Normal, Individual |
| Mesura automàtica | Període, Freqüència, Mitjana, PK-PK, Màx., Mín. Amplitude, RMS |
| Mesura del cursor | ΔV, ΔT |
7.2 Especificacions del multímetre digital
| Característica | Especificació |
|---|---|
| Lectura a escala completa | 4½ digits (max. 24000 counts) |
| Modes de prova | Voltage, current, resistance, capacitance, diode, continuity |
| Vol. d'entrada màximatage | 750 V CA, 1000 V CC |
| Corrent d'entrada màxim | AC 10A, DC 10A |
| Rang automàtic | Sí |
| RMS veritable | Sí |
7.3 Waveform Generator Specifications
| Tipus de forma d'ona | Freqüència de sortida |
|---|---|
| Sine | 10Hz-100KHz |
| Plaçada | 10Hz-100KHz |
| Ramp | 10Hz-100KHz |
| Pols | 10Hz-10KHz |
| Ampla latitud | 2Vpp-2.5Vpp |
7.4 Especificacions generals
- Dimensions: 9.6 x 3.8 x 19.8 cm
- Pes: 1.2 kg
- Bateria: Bateria de liti de 2000 mAh
- Interfície de càrrega: USB tipus C
8. Garantia i Suport
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact OWON customer service directly. Keep your purchase receipt as proof of purchase.
