1. Ro-ràdh
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.
Ceumannan Sàbhailteachd: 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. Toradh thallview
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.
- Multimeter didseatach: 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.
- Gineadair comharran: 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.

Figear 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.

Figear 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. Suidhich
3.1 Stàladh is Cosgais Bataraidh
The HDS241 is powered by a high-capacity 2000 mAh lithium battery. The device features a low-power consumption design for extended operation.
- A' cur cosgais: Connect the device to a power source using the standard USB Type-C port. You can use a compatible adapter or a power bank.
- Beatha bataraidh: The battery provides long-lasting performance. Actual usage time may vary based on operating conditions.

Figear 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 Connecting Probes
For oscilloscope measurements, connect the probe to the BNC connector. For multimeter functions, use the provided test leads with the multimeter input ports.
- Ceanglaiche 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.

Figear 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 A’ cur cumhachd air/dheth
Press and hold the power button (refer to Figure 2.2 for location) to turn the device on or off.
4. Stiùireadh Obrachaidh
4.1 Modh Oscillosgop
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.
- Feartan tomhais: The HDS241 offers various measurement capabilities:
- Tomhais fèin-ghluasadach: Includes Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, and RMS.
- Tomhas Cursor: Use the cursor function to measure voltage difference (ΔV) and time difference (ΔT) between two points on the waveform.
- Sàbhaladh dàta: 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.

Figear 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.

Figear 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.

Figear 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 Modh Ioma-mheatair
To enter Multimeter mode, press the 'Mode' button until the multimeter interface is displayed.
- Tomhais: 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 fìor: The HDS241 features True RMS measurement, which is essential for accurately measuring non-sinusoidal AC waveforms.
- Raon fèin-ghluasadach: The device automatically selects the appropriate measurement range for convenience.

Figear 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 Modh Gineadair Comharran
To enter Signal Generator mode, press the 'Mode' button until the signal generator interface is displayed.
- Taghadh Tonn-chruth: Choose from sine, square, ramp, or pulse waveforms.
- Tricead agus Ampaotrom: Adjust the output frequency (up to 100 kHz) and amplitude (up to 2.5 Vpp) as required for your testing needs.
5. Cumail suas
- Glanadh: Cleachd clò bog, tioram airson an inneal a ghlanadh. Na cleachd innealan-glanaidh sgrìobach no fuasglaidhean.
- Cùram Bataraidh: Gus beatha a’ bhataraidh a leudachadh, seachain a bhith ga leigeil às gu tur gu tric. Cuir cosgais air an inneal gu cunbhalach, gu h-àraidh ma thèid a stòradh airson ùine mhòr.
- Stòradh: Stòraich an inneal ann an àite fionnar, tioram air falbh bho sholas dìreach na grèine agus teòthachd anabarrach.
6. A ’dèanamh trioblaid
If you encounter issues with your OWON HDS241, consider the following basic troubleshooting steps:
- An uidheam nach eil a' cur cumhachd air: Dèan cinnteach gu bheil am bataraidh air a luchdadh. Ceangail an inneal ri stòr cumhachd a’ cleachdadh a’ chàball USB Seòrsa-C agus feuch ris a-rithist.
- Gun tonn-tonn air a thaisbeanadh: 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.
- Leughaidhean ioma-mheatair ceàrr: 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.
- Leughaidhean neo-sheasmhach: Ensure connections are secure and there is no external interference.
For further assistance, please contact OWON customer support.
7. Sònrachaidhean

Figear 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 Oscilloscope Specifications
| Feart | Sònrachadh |
|---|---|
| Bandwidth | 40 MHz |
| Seanail | 1 |
| Sampling Tricead | 250 MSa/s |
| Acquisition Model | Sample, Peak detection |
| Fad Clàr | Max. 8K |
| Taisbeanadh | LCD 3.5 òirleach |
| Waveform Refresh Rate | 10,000 wfms/s |
| Càraid cuir a-steach | DC, AC, Ground |
| Impedance cuir a-steach | 1 MΩ±2%, in parallel with 16 pF±10 pF |
| Lùghdachadh an sgrùdaidh | 1x, 10x, 100x, 1000x |
| Max. Input Voltage | 400V (DC+AC, PK-PK) |
| Sensitivity Resolution | 10mV/div-10V/div |
| Fuasgladh inghearach | 8 pìos |
| Sgèile chòmhnard | 5ns/div-1000s/div, Step 1-2-5 |
| Seòrsa brosnachaidh | Oir |
| Modh brosnachaidh | Auto, àbhaisteach, singilte |
| Tomhas fèin-ghluasadach | Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, RMS |
| Tomhas Cursor | ΔV, ΔT |
7.2 Digital Multimeter Specifications
| Feart | Sònrachadh |
|---|---|
| Full Scale Reading | 4½ digits (max. 24000 counts) |
| Modhan deuchainn | Voltage, current, resistance, capacitance, diode, continuity |
| Max Input Voltage | AC 750V, DC 1000V |
| Teachd-a-steach as àirde an-dràsta | AC 10A, DC 10A |
| Raon Auto | Tha |
| RMS fìor | Tha |
7.3 Waveform Generator Specifications
| Seòrsa cruth tonn | Tricead Toraidh |
|---|---|
| Sìn | 10Hz-100KHz |
| Ceàrnag | 10Hz-100KHz |
| Ramp | 10Hz-100KHz |
| Pulse | 10Hz-10KHz |
| Ampaotromachd | 2Vpp-2.5Vpp |
7.4 Sònrachaidhean Coitcheann
- Meudan: 9.6 x 3.8 x 19.8 cm
- Cuideam: 1.2 kg
- Bataraidh: Bataraidh lithium 2000 mAh
- Eadar-aghaidh cosgais: USB Type-C
8. Barantas agus Taic
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.