1. Úvod
The JOY-IT JT-OMS01 is a versatile 3-in-1 portable device combining a dual-channel oscilloscope, a precise multimeter, and a versatile signal generator. Designed for flexibility in measurement and signal generation, it is suitable for both desktop use and on-the-go applications. Its robust casing and integrated stand ensure stability. The bright 7.11 cm (2.8") display provides clear measurement waveforms, which can be saved as screenshots.
Mezi klíčové vlastnosti patří:
- Compact 3-in-1 device: Oscilloscope, Multimeter, Signal Generator.
- Bright 7.11 cm (2.8") display for clear measurement waveforms.
- Dual-channel oscilloscope with 50 MHz bandwidth.
- Rechargeable lithium battery via USB-C.
- Robustní casing with integrated stand.
2. Konec produktuview
The JT-OMS01 integrates multiple functionalities into a single portable unit. Below is an image illustrating the device's front panel and key components.
Obrázek 2.1: Přední view of the JOY-IT JT-OMS01. This image displays the device's screen showing oscilloscope waveforms, control buttons for navigation and function selection (e.g., MOVE, CURSOR, TRIGGER, PRM, CH1, CH2, AUTO, SAVE, MENU), the power button, and input jacks for 10A, mA, COM, and VΩ-Hz measurements. The device also features an integrated stand visible from the side.
2.1. Ovládací prvky a konektory
- Zobrazit: 7.11 cm (2.8") screen for waveform display and measurement readings.
- Navigační tlačítka: Up, Down, Left, Right, and Center (Play/Pause) buttons for menu navigation and parameter adjustment.
- Funkční tlačítka: CH1, CH2, AUTO, SAVE, MENU, MOVE, CURSOR, TRIGGER, PRM.
- Vypínač: Located on the lower left, used to turn the device on/off.
- Vstupní konektory:
- 10A: Input for high current measurements (max 10A, fused 250V MAX).
- mA: Vstup pro miliampere measurements (max 1A, fused 250V MAX).
- COM: Společný zemnící vstup pro všechna měření.
- VΩ-Hz: Vstup pro svtage, resistance, frequency, diode, and continuity measurements (600V CAT IV, 1000V CAT III).
- Port USB-C: For charging the internal lithium battery and data transfer (located on the side, not visible in this image).
3. Nastavení
- Rozbalení: Carefully remove the device and all accessories from the packaging. Verify that all components listed in the packing list are present.
- Počáteční poplatek: Before first use, fully charge the device's internal lithium battery using the provided USB-C cable and a compatible 5V/1A or 5V/2A USB power adapter. The charging indicator will show the charging status.
- Zapnutí/vypnutí: Press and hold the red power button (⑂) located on the front panel to turn the device on or off.
- Language Selection (if applicable): Upon first power-on, you may be prompted to select a language. Use the navigation buttons to select English and confirm.
- Autotest: The device may perform a brief self-test upon startup. Wait for it to complete before proceeding.
4. Návod k obsluze
4.1. Režim osciloskopu
The oscilloscope function allows for the visualization and analysis of electrical signals over time.
- Vstup do režimu osciloskopu: The device typically defaults to oscilloscope mode upon startup. If not, navigate to it via the MENU button.
- Připojení sond: Connect the oscilloscope probes to the CH1 and/or CH2 BNC connectors. Connect the ground clip of the probe to the circuit's ground.
- Adjusting Vertical Scale (Volts/Div): Use the navigation buttons to adjust the vertical sensitivity (V/div) for each channel (CH1, CH2) to fit the signal on the screen.
- Adjusting Horizontal Scale (Time/Div): Adjust the horizontal time base (s/div) to view the desired number of signal cycles.
- Spouštění:
- Stiskněte tlačítko SPOUŠŤ button to access trigger settings.
- Select trigger mode (Auto, Normal, Single) and trigger type (rising edge, falling edge).
- Upravte úroveň spouštění pro stabilizaci tvaru vlny.
- Auto-Set: Stiskněte tlačítko AUTO button for automatic scaling and triggering of the input signal.
- Rozměry: Použijte PRM (Parameter) button to display automatic measurements (e.g., Vpp, Vrms, Frequency).
- Ukládání průběhů: Stiskněte tlačítko ULOŽIT button to capture the current waveform as a screenshot.
4.2. Režim multimetru
The multimeter function allows for precise measurement of various electrical parameters.
- Entering Multimeter Mode: Navigate to multimeter mode via the MENU button.
- Připojení měřicích vodičů:
- Za svtage, resistance, frequency, diode, and continuity: Connect the red lead to the VΩ-Hz jack and the black lead to the COM zvedák.
- For current (mA): Connect the red lead to the mA jack and the black lead to the COM zvedák.
- For high current (10A): Connect the red lead to the 10A jack and the black lead to the COM zvedák.
- Výběr funkce měření: Use the navigation buttons to select the desired measurement function (e.g., DC Voltage, AC svtage, Resistance, Capacitance, Diode Test, Continuity Test, Temperature).
- Měření: Apply the test leads to the circuit or component under test. The measurement will be displayed on the screen.
4.3. Režim generátoru signálu
The signal generator function allows for the output of various waveforms for testing purposes.
- Entering Signal Generator Mode: Navigate to signal generator mode via the MENU button.
- Připojení výstupu: Connect a test lead from the signal generator output (often shared with a multimeter input, refer to specific port markings on the device) to the circuit requiring the signal.
- Selecting Waveform: Choose the desired waveform type (e.g., Sine, Square, Triangle, Pulse, Arbitrary) using the navigation buttons.
- Nastavení parametrů: Nastavte frekvenci, amplitude, and offset of the generated signal as required.
- Výstupní signál: Activate the signal output.
5. Údržba
- Čištění: Zařízení čistěte měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
- Skladování: Přístroj skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Péče o baterie: To prolong battery life, avoid fully discharging the battery frequently. Recharge it regularly, especially if storing for extended periods.
- Péče o sondu: Inspect probes and test leads regularly for damage. Replace if insulation is cracked or wires are exposed.
6. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Zařízení se nezapne. | Baterie je vybitá. | Connect the device to a USB-C charger and allow it to charge for at least 30 minutes before attempting to power on again. |
| V režimu osciloskopu se nezobrazuje žádný průběh. | Probe not connected correctly; signal too small or too large; incorrect trigger settings. | Ensure probes are securely connected. Use the AUTO button. Adjust V/div and Time/div settings. Check trigger level and mode. |
| Multimeter readings are inaccurate. | Incorrect function selected; poor test lead connection; discharged battery. | Verify the correct measurement function is selected. Ensure test leads are firmly connected. Recharge the battery. |
| Zařízení se zasekne nebo přestane reagovat. | Dočasná softwarová závada. | Perform a soft reset by holding the power button until the device turns off, then power on again. If persistent, contact support. |
7. Specifikace
| Funkce | Detail |
|---|---|
| Zobrazit | 7.11 cm (2.8"), 320 x 240 pixels |
| Spojení | USB-C |
| Napájení | Lithium battery, 3000 mAh (rechargeable via USB-C, 5V / 1A) |
| Hmotnost | 349 g |
| Rozměry (D x Š x V) | 167 x 89 x 35 mm |
| Oscilloscope Specifications: | |
| Kanály | 2 |
| Sample Rate | 250 MSa/s |
| Šířka pásma | 50 MHz (both channels) |
| Impedance | 1 MΩ |
| Hloubka uložení | 1 k |
| Vertical Sensitivity (Y-Divider) | 10 mV/div - 10 V/div (X1) |
| Horizontal Scale (X-Divider) | 10 ns - 20 s |
| Max. Vstupní svtage | 400 V |
| Vstupní spojka | DC, AC |
| Režimy spouštění | Automatic, Normal, Single |
| Spouštěcí typy | Náběžná hrana, sestupná hrana |
| Matematické funkce | 8 basic operations, FFT |
| Specifikace multimetru: | |
| Rozsah měření | (Details from description: DC/AC measurements, resistance, capacitance, temperature detection, diode measurement, continuity test) |
| Signal Generator Specifications: | |
| Průběhy | Almost all common waveforms (Sine, Square, Triangle, Pulse, Arbitrary) |
8. Záruka a podpora
8.1. Informace o záruce
Information regarding the specific warranty period and terms for the JOY-IT JT-OMS01 is not provided in the product description. Please refer to the warranty card included with your product or contact JOY-IT customer service for detailed warranty information.
8.2. Zákaznická podpora
For technical assistance, troubleshooting, or service inquiries, please contact JOY-IT customer support. Contact details are typically available on the manufacturer's official webmístě nebo na obalu produktu.
Please have your model number (JT-OMS01) and purchase information ready when contacting support.
