OWON HDS241

OWON HDS241 Single-Channel Handheld Oscilloscope User Manual

Model: HDS241 | Brand: OWON

OWON HDS241 Handheld Oscilloscope

Image 0.1: The OWON HDS241 Handheld Oscilloscope, a versatile 3-in-1 device.

1. Prodotto finitoview

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.

OWON HDS241 Handheld Oscilloscope with features listed: Oscilloscope, Multimeter, Signal Generator

Image 1.1: The OWON HDS241 device, highlighting its oscilloscope, multimeter, and signal generator functions.

2. Informazioni sulla sicurezza

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.

  • Sicurezza generale: Utilizzare sempre il dispositivo entro il volume specificatotage and current limits. Do not operate the device in wet or damp condizioni.
  • Sicurezza della sonda: Ensure probes are correctly connected and rated for the measurement being performed. Avoid touching exposed wiring or components when the device is powered on.
  • Sicurezza della batteria: Use only the specified battery type. Do not disassemble, crush, or expose the battery to extreme temperatures.
  • Manutenzione: Affidare qualsiasi intervento di assistenza a personale qualificato. Non tentare di riparare il dispositivo da soli.

3. Caratteristiche principali

  • Multimetro digitale: 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.
  • Oscilloscopio: 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.
  • Design compatto: Portable form factor with a 3.5-inch high-definition color LCD screen, suitable for various environments.
  • Batteria a lunga durata: Low-power design with a 2000 mAh high-capacity lithium battery and standard Type-C port for charging and power bank compatibility.

4. Contenuto della confezione

The standard package for the OWON HDS241 includes:

  • OWON HDS241 Handheld Oscilloscope Unit
  • Cavi di prova per multimetro
  • Sonda per oscilloscopio
  • Cavo USB di tipo C.
  • Manuale dell'utente (questo documento)

Note: Additional accessories such as a BNC-to-alligator clip cable or carrying case may need to be purchased separately.

5. Layout e controlli del dispositivo

Familiarize yourself with the physical components and controls of the HDS241.

Davanti e di lato view diagram of OWON HDS241 with labeled controls and ports

Immagine 5.1: Fronte e lato 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).

Close-up of OWON HDS241 BNC connector with external rubber coating

Image 5.2: Detail of the BNC connector, designed for safety and signal integrity, with external rubber coating.

6. Configurazione iniziale

6.1 Ricarica del dispositivo

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.
  • Collegare l'altra estremità del cavo a una fonte di alimentazione USB.
  • L'indicatore di carica mostrerà lo stato di carica.
OWON HDS241 showing USB-C port and battery compartment, indicating long battery life and durable performance

Image 6.1: The USB Type-C charging port and internal battery compartment, emphasizing long-lasting performance.

6.2 Accensione/Spegnimento

Premere e tenere premuto il tasto Energia pulsante per accendere o spegnere il dispositivo.

7. Modalità operative

The HDS241 features three primary operating modes: Oscilloscope, Multimeter, and Signal Generator. Press the Modalità pulsante per passare da una funzione all'altra.

7.1 Modalità oscilloscopio

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.

  • Configurazione automatica: Premere il tasto Auto pulsante per il ridimensionamento e il posizionamento automatici della forma d'onda.
  • Misure: Utilizzare il Misura menu (accessed via F1) to select automatic measurements like Frequency, Period, Amplitude, Max, Min, Peak-to-Peak, and RMS.
  • Misure del cursore: Activate cursor measurements (accessed via F2) to manually measure voltage (ΔV) and time (ΔT) differences between points on the waveform.
  • Impostazioni di attivazione: Adjust trigger type, level, and mode using the Trigonometria/Δ pulsante.
  • Horizontal/Vertical Controls: Use the navigation arrows to adjust time base (horizontal) and voltage scale (vertical).
Screenshots of OWON HDS241 showing dual sampling mode, high refresh rate, 8 types of auto measurements, and cursor measurement

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

Screenshots of various measured waveforms on OWON HDS241: Mains Waveform, TV Signal Wave, PLC Pulse Wave, Multi-Audio Frequency Response Signal

Immagine 7.1.2: Es.amples of actual measured waveforms, demonstrating the oscilloscope's signal capture capabilities for different signal types.

7.2 Modalità multimetro

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.

  • Selezione della funzione: Utilizzare il Modalità button to cycle through measurement types (Voltage, Current, Resistance, Capacitance, Diode, Continuity).
  • Gamma automatica: The device supports auto-ranging for convenient measurement.
  • Data Hold: Utilizzare il Salva button or a dedicated hold function (if available) to freeze the current reading.

7.3 Modalità generatore di segnale

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).

  • Selezione della forma d'onda: Use the F-keys to select sine, square, ramp, or pulse waveforms.
  • Regolazione dei parametri: Adjust frequency and amplitude using the navigation arrows. The maximum output amplitude is 2.5 Vpp.

8. Gestione dei dati

The HDS241 supports data transfer to a computer via its USB Type-C port for further analysis and record-keeping.

  • Collegamento al PC: Utilizzare il cavo USB Type-C in dotazione per collegare il dispositivo al computer.
  • Software: Fare riferimento all'OWON website for any necessary drivers or software to facilitate data transfer and analysis.
  • Salvataggio dei dati: Utilizzare il Salva button to store waveform images, settings, or measurement data directly on the device.
OWON HDS241 connected to a laptop via USB-C cable, displaying a waveform on both devices for easy data analysis

Image 8.1: The OWON HDS241 connected to a computer for data transfer and analysis, enabling easy waveform control.

9. Manutenzione

  • Pulizia: Pulire il dispositivo con un panno morbido e asciutto. Non utilizzare detergenti abrasivi o solventi.
  • Magazzinaggio: Conservare il dispositivo in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
  • Cura della batteria: Per la conservazione a lungo termine, assicurarsi che la batteria sia parzialmente carica (circa il 50%) e ricaricarla ogni pochi mesi per mantenerla in buone condizioni.
  • Calibrazione della sonda: Periodically calibrate the oscilloscope probe using the dedicated probe compensation output to ensure accurate measurements.

10. Risoluzione Dei Problemi

ProblemaPossibile causaSoluzione
Il dispositivo non si accende.Batteria scarica o scarica.Connect the device to a power source using the USB Type-C cable and allow it to charge.
Nessuna forma d'onda visualizzata in modalità oscilloscopio.Probe not connected correctly; signal too small or too large; incorrect time base or voltage scala.Ensure probe is securely connected. Press Auto for automatic setup. Adjust vertical and horizontal scales manually. Check trigger settings.
Le letture del multimetro sono imprecise.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.
L'uscita del generatore di segnale non è quella prevista.Incorrect waveform type, frequency, or amplitude set.Controllare la forma d'onda selezionata, la frequenza e amplitude settings in the signal generator menu.

11. Specifiche tecniche

Specifiche dell'oscilloscopio:

ParametroValore
Larghezza di banda40 MHz
Canale1
Samptasso di ling250MSa / s
Modalità di acquisizioneSample, Rilevamento picco
Lunghezza del recordMassimo 8K
DisplayLCD da 3.5 pollici
Frequenza di aggiornamento della forma d'onda10,000 WFM/s
Ingresso AccoppiamentoCC, CA, Terra
Impedenza di ingresso1 MΩ±2%, in parallelo con 16 pF±10 pF
Attenuazione della sonda1X, 10X, 100X, 1000X
Volume massimo in ingressotage400V (DC + AC, PK-PK)
Sensibilità Risoluzione10mV/div-10V/div
Risoluzione verticale8 bit
Scala orizzontale5ns/div-1000s/div, step 1-2-5
Tipo di triggerBordo
Modalità di attivazioneAuto, Normale, Singolo
Misurazione automaticaPeriodo, Frequenza, Media, PK-PK, Max, Min, Amplitude, RMS
Misurazione del cursoreΔV, ΔT
Tabella delle specifiche dell'oscilloscopio

Image 11.1: Detailed oscilloscope specifications.

Digital Multimeter Specifications:

ParametroValore
Conteggio display4½ digits (max 24000 counts)
Modalità di provaVoltage, Corrente, Resistenza, Capacità, Diodo, Continuità
Volume massimo in ingressotageCA 750 V, CC 1000 V
Corrente di ingresso massimaCA 10 A, CC 10 A
Auto Range
Vero RMS
Table of Digital Multimeter Specifications

Image 11.2: Detailed digital multimeter specifications.

Signal Waveform Generator Specifications:

ParametroValore
Forme d'ondaSeno, Quadrato, Ramp, Impulso
Frequenza di uscitaDa 10 Hz a 100 kHz
Amplitudine2Vpp-2.5Vpp
Table of Signal Waveform Generator Specifications

Image 11.3: Detailed signal waveform generator specifications.

Specifiche generali:

  • Dimensioni: Dimensioni: 9.6 x 3.8 x 19.8 cm
  • Peso dell'articolo: 1.2 chilogrammi
  • Fonte di energia: Alimentato a batteria (batteria al litio da 2000 mAh)
  • Colore: Blu
  • Certificazioni: CE, True RMS

12. Garanzia e supporto

OWON products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official OWON websito o contattare il distributore locale.

  • Periodo di garanzia: Standard manufacturer's warranty applies. Please check your purchase documentation for specific terms and duration.
  • Supporto tecnico: Visit the OWON official website for FAQs, software downloads, and contact information for technical assistance.
  • Resi: Refer to the retailer's return policy for details on product returns and exchanges.