1. Įvadas
The OWON CMS101 is a versatile 3-in-1 AC/DC clamp meter designed for comprehensive electrical measurements. It integrates the functionalities of a clamp meter, an oscilloscope, and a data recorder into a single, portable device. With 20,000 counts True RMS, it provides accurate and reliable measurements for a wide range of applications. Its Bluetooth connectivity allows for remote control, data recording, and analysis via a smartphone application.
Pagrindinės funkcijos:
- Multifunctional 3-in-1 Tool: Combines AC/DC clamp meter, oscilloscope, and recorder functions.
- Didelis tikslumas: 20,000 counts True RMS for precise measurements.
- Simultaneous Waveform Analysis: Osciloskopo funkcija matuoja srovę ir tūrįtage waveforms concurrently.
- Bluetooth Data Recording: Connects to smartphones (Android/iOS) via the i-meter app for recording, viewing, comparing, analyzing, and saving measurement data.
- Remote Control & Safety Alerts: Remote operation and customizable alarm thresholds for safety.
- Patogus vartotojui dizainas: 2.8-inch IPS LCD with wide viewing angle, dual-theme display, and 38mm narrow-edge jaw for tight spaces.
- Durable & Convenient: Powered by a 18650 lithium battery for long-term use, tactile button operation, and Non-Contact Voltage (NCV) aptikimas.

Figure 1: The OWON CMS101 highlighting its three core functions: AC/DC Clamp Meter, Recorder, and Oscilloscope.
2. Saugos informacija
Please read all safety information carefully before using the OWON CMS101. Failure to follow these instructions may result in electric shock, fire, or personal injury.
- Prieš naudojimą visada patikrinkite, ar prietaisas ir bandymo laidai nepažeisti. Nenaudokite, jei pažeisti.
- Prieš naudodami įsitikinkite, kad baterijų skyrius yra sandariai uždarytas.
- Netaikyti ttage or current that exceeds the maximum rated values specified in the technical specifications.
- Būkite atsargūs dirbdami su voltagesant didesnei nei 30 V AC RMS, 42 V pikinei vertei arba 60 V DC įtampai. Šie įtampų lygiaitagtai kelia šoko pavojų.
- Always disconnect power to the circuit under test before making connections or breaking connections.
- Do not operate the device in explosive atmospheres or in the presence of flammable gases or dust.
- Ensure your hands are dry and wear appropriate personal protective equipment (PPE) when performing electrical measurements.
- Nebandykite taisyti ar modifikuoti įrenginio. Visus techninės priežiūros darbus patikėkite kvalifikuotiems specialistams.
- Adhere to all local and national safety codes.
- Always verify readings with a known good source or secondary method, especially for safety-critical applications.
3. Produktas baigtasview
The OWON CMS101 is designed for ease of use and durability. Familiarize yourself with its components and controls.

Figure 2: Product structure diagram with key components and button functions labeled.
Pagrindiniai komponentai:
- Clamp Žandikaulis: For non-contact AC/DC current measurement. Features a 38mm narrow-edge design for accessibility.
- LCD IPS Display: 2.8-inch screen with wide viewing angle and dual-theme display for clear readability in various lighting conditions.
- Funkcijų mygtukai (F1–F4): Context-sensitive buttons for menu navigation and mode-specific operations.
- Naršymo mygtukai: Up/Down/Left/Right for menu and setting adjustments.
- Maitinimo mygtukas: Short press to power on, long press to power off. Short press after power-on to switch between Oscilloscope and Multimeter modes.
- DMM/OSC Switch: Dedicated button to toggle between Digital Multimeter and Oscilloscope modes.
- Įvesties gnybtai: Tūrio matavimo laidų prijungimuitage, resistance, continuity, diode, and other measurements.
- NCV jutiklis: Nekontaktinis ttage detection area.
- Baterijų skyrius: Houses the 18650 lithium battery.

Figure 3: The 2.8-inch IPS LCD display, demonstrating clear value and waveform visualization with dual theme options.

Figure 4: Details of the OWON CMS101, including the 18650 lithium battery power, full silicone button membrane, and durable ABS rubber-coated design.
4. Sąranka
4.1 Akumuliatoriaus įdėjimas
- Suraskite baterijų skyriaus dangtelį įrenginio gale.
- Open the cover and insert the provided 18650 lithium battery, ensuring correct polarity.
- Saugiai uždarykite akumuliatoriaus skyriaus dangtelį.
4.2 Įjungimas / išjungimas
- Norėdami įjungti: Paspauskite GALIA trumpai mygtuką.
- Norėdami išjungti: Paspauskite ir palaikykite GALIA mygtuką, kol ekranas išsijungs.
4.3 Bluetooth Connection and App Installation
- Download the "i-meter" application from your smartphone's app store (available for Android and iOS).
- Ensure Bluetooth is enabled on your smartphone and on the CMS101 device.
- Open the i-meter app and follow the on-screen instructions to pair with your CMS101 device.
- Once connected, you can remotely control the device and access data recording features.
5. Operacija
5.1 Switching Modes (Multimeter / Oscilloscope)
After powering on, briefly press the GALIA button to toggle between Digital Multimeter (DMM) mode and Oscilloscope (OSC) mode.
5.2 Clamp Meter (AC/DC Current Measurement)
Klamp meter function allows for non-contact measurement of AC and DC current up to 1000A.
- Ensure the device is in DMM mode.
- Press the jaw release trigger to open the clamp žandikaulis.
- Padėkite klamp jaw around a single conductor (not a bundle of wires) through which the current flows. Ensure the jaw is fully closed.
- Nuskaitykite LCD ekrane rodomą dabartinę reikšmę.
- Use the function buttons (F1-F4) to select AC or DC current measurement if not auto-ranging.

Figure 5: The OWON CMS101 in use, measuring current by clamping around a conductor.
5.3 Osciloskopo funkcija
In Oscilloscope mode, the CMS101 can display and analyze current and voltage waveforms simultaneously.
- Switch the device to OSC mode.
- Connect the test leads to the appropriate input terminals for voltagmatavimą arba naudokite clamp for current waveform.
- The display will show the waveform. Use the navigation buttons and function buttons (F1-F4) to adjust settings such as time base, voltage range, and trigger.
- The oscilloscope provides measurement values including maximum, minimum, peak-to-peak, and average values.

Figure 6: The device capable of measuring current and voltage waveforms for comprehensive analysis.
5.4 Recorder Function (Data Logging)
The recorder function allows you to log measurement data over time and analyze it using the i-meter smartphone app.
- Ensure the CMS101 is connected to your smartphone via Bluetooth.
- Open the i-meter app and navigate to the recording section.
- Start the recording function. The app will automatically log measured values and display trends graphically.
- Recorded data (in CSV format) can be shared and analyzed on a computer.

Figure 7: The i-meter app displaying recorded data in graphical and tabular formats, with options for file valdymas.
5.5 Kitos matavimo funkcijos
The CMS101 supports various other measurement capabilities:
- ttage (V): AC ir DC ttage matavimas.
- Varža (Ω): Matuoja elektrinę varžą.
- Tęstinumas: Audible alert for continuous circuits.
- Diodo testas: Checks diode functionality.
- Dažnis (Hz): Measures signal frequency.
- Nekontaktinis ttage (NCV): Aptinka AC ttage be fizinio kontakto.
- Duomenų laikymas (HOLD): Įšaldo dabartinį rodmenį ekrane.
- Auto Ranging (AUTO): Automatiškai parenka tinkamą matavimo diapazoną.
- Automatinis išsijungimas (APO): Taupo baterijos veikimo laiką, automatiškai išsijungia po tam tikro neveiklumo laikotarpio.
- MAX/MIN: Matavimo seanso metu įrašo didžiausias ir mažiausias vertes.
- Tikrasis RMS: Pateikia tikslius nesinusoidinių bangų formų rodmenis.

Figure 8: Icons representing the various measurement functions available on the OWON CMS101.
6. Priežiūra
6.1 Valymas
To clean the device, wipe the case with a damp šluoste ir švelniu plovikliu. Nenaudokite abrazyvinių medžiagų ar tirpiklių. Prieš valydami įsitikinkite, kad įrenginys yra išjungtas ir atjungtas nuo bet kokių grandinių.
6.2 Akumuliatoriaus priežiūra
- Recharge the 18650 lithium battery when the low battery indicator appears.
- Jei prietaisas nebus naudojamas ilgesnį laiką, išimkite bateriją, kad išvengtumėte elektrolito pratekėjimo.
- Išmeskite baterijas laikydamiesi vietinių taisyklių.
6.3 Saugykla
Laikykite prietaisą vėsioje, sausoje vietoje, toliau nuo tiesioginių saulės spindulių ir ekstremalių temperatūrų. Laikykite vaikams nepasiekiamoje vietoje.
7. Problemų sprendimas
If you encounter issues with your OWON CMS101, refer to the following common problems and solutions:
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Įrenginys neįsijungia. | Žemas arba išsikrovęs akumuliatorius. Neteisingas akumuliatoriaus įdėjimas. | Charge or replace the 18650 lithium battery. Ensure battery is inserted with correct polarity. |
| Inaccurate readings (e.g., non-zero reading with no input, or 0V with mains voltagir). | Sensor offset or calibration issue. Environmental interference. Device malfunction. | Perform a zero-adjustment if available in the menu. Ensure no strong magnetic fields are nearby. If problem persists, contact customer support for calibration or service. |
| „Bluetooth“ ryšys nepavyksta. | Bluetooth not enabled on device/phone. App not installed or outdated. Device too far from phone. | Ensure Bluetooth is active on both devices. Reinstall or update the i-meter app. Keep devices within Bluetooth range. |
| Ekranas blankus arba neįskaitomas. | Low battery. Backlight setting. | Charge the battery. Adjust backlight brightness via menu settings. |
| No reading when clamping. | Clamp jaw not fully closed. Clamping around multiple conductors. Incorrect mode selected. | Ensure jaw is fully closed around a single conductor. Verify correct AC/DC current mode is selected. |
8. Specifikacijos
Below are the technical specifications for the OWON CMS101:
| Funkcija | Detalė |
|---|---|
| Modelio numeris | OWON-CMS101 |
| Gaminio matmenys | 24.8 x 9.4 x 3.8 cm |
| Svoris | 820 g |
| Maitinimo šaltinis | 18650 ličio baterija |
| Ekranas | 2.8 colių IPS LCD |
| Žandikaulio atidarymas | 38 mm |
| Skaičiuoja | 20,000 counts True RMS |
| Ryšys | Bluetooth (Android/iOS app) |
| Sertifikatai | CE Certified, RoHS Compliant |
| Funkcijos | AC/DC Clamp Meter, Oscilloscope, Data Recorder, NCV, True RMS, Max/Min, Hold, Auto Ranging, Auto Power Off, Frequency, Resistance, Continuity, Diode Test |
9. Garantija ir palaikymas
9.1 Informacija apie garantiją
OWON products are covered by a limited warranty against defects in materials and workmanship. The specific warranty period may vary by region and product. Please retain your proof of purchase for warranty claims. For detailed warranty terms and conditions, refer to the official OWON websvetainėje arba susisiekite su klientų aptarnavimo tarnyba.
9.2 Pagalba klientams
If you have any questions, require technical assistance, or need to report a problem with your OWON CMS101, please contact OWON customer support. You can typically find contact information on the official OWON websvetainėje arba per savo mažmenininką.
- Palaikymas internetu: Apsilankykite oficialioje OWON svetainėje webDUK, programinės įrangos atsisiuntimų ir pagalbos išteklių svetainė.
- Pagalba el. paštu: Refer to your product packaging or the OWON websvetainėje, kad gautumėte tinkamą palaikymo el. pašto adresą.
- Pagalba telefonu: Contact numbers may be available on the OWON websvetainė jūsų regionui.
When contacting support, please have your product model (CMS101) and purchase details ready.