1. Introduction
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.
Précautions de sécurité : 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. Produit terminéview
The HDS241 combines three essential functions into one compact unit:
- Oscilloscope: 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.
- Multimètre numérique : 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.
- Générateur de signaux : 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.
Figure 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.
Figure 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. Installation
3.1 Installation et charge de la batterie
The HDS241 is powered by a high-capacity 2000 mAh lithium battery. The device features a low-power consumption design for extended operation.
- Chargement : Connect the device to a power source using the standard USB Type-C port. You can use a compatible adapter or a power bank.
- Autonomie de la batterie : The battery provides long-lasting performance. Actual usage time may vary based on operating conditions.
Figure 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 Connexion des sondes
For oscilloscope measurements, connect the probe to the BNC connector. For multimeter functions, use the provided test leads with the multimeter input ports.
- Connecteur BNC : 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.
Figure 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 Mise sous/hors tension
Press and hold the power button (refer to Figure 2.2 for location) to turn the device on or off.
4. Mode d'emploi
4.1 Mode oscilloscope
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.
- Configuration automatique : Press the 'Auto' button for automatic adjustment of vertical, horizontal, and trigger settings to quickly display a stable waveform.
- Fonctions de mesure : The HDS241 offers various measurement capabilities:
- Mesures automatiques : Includes Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, and RMS.
- Mesure du curseur : Utilisez la fonction curseur pour mesurer le volumetage difference (ΔV) and time difference (ΔT) between two points on the waveform.
- La sauvegarde des données: 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.
Figure 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.
Figure 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.
Figure 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 multimètre
To enter Multimeter mode, press the 'Mode' button until the multimeter interface is displayed.
- Mesures: The multimeter supports measuring AC/DC voltage, AC/DC current, resistance, diode, capacitance, and continuity. Select the desired measurement function using the appropriate buttons.
- Vrai RMS : The HDS241 features True RMS measurement, which is essential for accurately measuring non-sinusoidal AC waveforms.
- Gamme automatique : The device automatically selects the appropriate measurement range for convenience.
Figure 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 générateur de signal
To enter Signal Generator mode, press the 'Mode' button until the signal generator interface is displayed.
- Sélection de la forme d'onde : Choose from sine, square, ramp, or pulse waveforms.
- Fréquence et Amplitude : Adjust the output frequency (up to 100 kHz) and amplitude (up to 2.5 Vpp) as required for your testing needs.
5. Entretien
- Nettoyage: Utilisez un chiffon doux et sec pour nettoyer l'appareil. N'utilisez pas de nettoyants abrasifs ni de solvants.
- Entretien de la batterie: Pour prolonger la durée de vie de la batterie, évitez de la décharger complètement et fréquemment. Rechargez l'appareil régulièrement, surtout s'il doit être rangé pendant une période prolongée.
- Stockage: Conservez l'appareil dans un endroit frais et sec, à l'abri de la lumière directe du soleil et des températures extrêmes.
6. Dépannage
If you encounter issues with your OWON HDS241, consider the following basic troubleshooting steps:
- L'appareil ne s'allume pas : Assurez-vous que la batterie est chargée. Branchez l'appareil à une source d'alimentation à l'aide du câble USB Type-C et réessayez.
- Aucune forme d'onde affichée : 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.
- Lectures incorrectes au multimètre : 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 instables : Ensure connections are secure and there is no external interference.
For further assistance, please contact OWON customer support.
7. Spécifications
Figure 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 Spécifications de l'oscilloscope
| Fonctionnalité | Spécification |
|---|---|
| Bande passante | 40 MHz |
| Canal | 1 |
| SampFréquence de ling | 250 MSa/s |
| Modèle d'acquisition | Sample, Peak detection |
| Durée de l'enregistrement | Max. 8K |
| Afficher | Écran LCD 3.5 pouces |
| Fréquence de rafraîchissement de la forme d'onde | 10,000 XNUMX wfms/s |
| Couplage d'entrée | CC, CA, Terre |
| Impédance d'entrée | 1 MΩ ± 2 %, en parallèle avec 16 pF ± 10 pF |
| Atténuation de la sonde | 1x, 10x, 100x, 1000x |
| Max. Vol d'entréetage | 400 V (CC+CA, crête à crête) |
| Résolution de sensibilité | 10 mV/div-10 V/div |
| Résolution verticale | 8 bits |
| Échelle horizontale | 5ns/div-1000s/div, Step 1-2-5 |
| Type de déclencheur | Bord |
| Mode de déclenchement | Auto, Normal, Simple |
| Mesure automatique | Période, Fréquence, Moyenne, PK-PK, Max, Min, Amplitude, RMS |
| Mesure du curseur | ΔV, ΔT |
7.2 Spécifications du multimètre numérique
| Fonctionnalité | Spécification |
|---|---|
| Lecture à pleine échelle | 4½ digits (max. 24000 counts) |
| Modes d'essai | Voltage, current, resistance, capacitance, diode, continuity |
| Vol d'entrée max.tage | 750 V CA, 1000 V CC |
| Courant d'entrée maximal | CA 10A, CC 10A |
| Gamme automatique | Oui |
| Valeur efficace vraie | Oui |
7.3 Spécifications du générateur de formes d'onde
| Type de forme d'onde | Fréquence de sortie |
|---|---|
| Sinus | 10 Hz-100 kHz |
| Carré | 10 Hz-100 kHz |
| Ramp | 10 Hz-100 kHz |
| Impulsion | 10 Hz-10 kHz |
| Amplatitude | 2Vpp-2.5Vpp |
7.4 Spécifications générales
- Dimensions: 9.6 x 3.8 x 19.8 cm
- Poids: 1.2 kg
- Batterie: Batterie au lithium de 2000 mAh
- Interface de chargement : USB Type-C
8. Garantie et assistance
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.
