1. Uvod
Thank you for choosing the ZOYI ZT-702S 2-in-1 Digital Oscilloscope Multimeter. This device combines the functionality of a digital oscilloscope and a high-precision multimeter into a single, compact, and easy-to-use tool. It is designed for professionals and hobbyists alike, offering reliable measurements and waveform analysis for various electrical and electronic applications. Please read this manual thoroughly before operation to ensure safe and correct usage.
2. Sigurnosne informacije
Always observe the following safety precautions when using the ZOYI ZT-702S:
- Prije upotrebe provjerite je li uređaj u dobrom radnom stanju.
- Ne pokušavajte izmjeriti voltagili struje koje prelaze specificirane maksimalne nazivne vrijednosti.
- Use only the provided test leads and probes, or compatible accessories that meet safety standards.
- Avoid using the device in wet environments or in the presence of explosive gases or dust.
- Uvijek isključite napajanje testiranog kola prije spajanja ili odspajanja mjernih kablova.
- Budite oprezni pri radu s visokim volumenomtages; always assume circuits are live until proven otherwise.
- Replace the battery only with the specified type (18650 Lithium rechargeable battery).
3. Sadržaj paketa
Prilikom raspakivanja, molimo Vas da provjerite da li su sve dolje navedene stavke prisutne i da nisu oštećene:
- ZOYI ZT-702S Main Unit
- Color Box (Packaging)
- Cloth Bag (Carrying Case)
- Meter Pen (Test Leads)
- Temperaturna sonda
- Podatkovni kabel (USB tip-C)
- Oscillometric Probe
- 18650 Baterija
- Uputstvo za upotrebu

4. Proizvod je gotovview
The ZOYI ZT-702S is a versatile 2-in-1 device featuring a 2.8-inch full-view color screen and a robust design for durability.
4.1 Ključne karakteristike
- Prikaz: 2.8-inčni IPS full-view color screen (320x240 resolution) for clear visibility, even in strong outdoor light.
- multimetar: 9999 counts, True RMS, Data retention.
- osciloskop: 10 MHz bandwidth, 48 MSa/s real-time sampling rate, Peak Voltage 400V.
- zaštita: Double injection molding (ABS+TPE) with reinforced rib structure for enhanced durability.
- Snaga: 2000mAh Lithium rechargeable battery, Type-C charging.
- Pogodnost: One-key automatic waveform acquisition (Auto Range), one-key selection of multi-function interface (Menu), adjustable shutdown time.


4.2 Physical Description and Controls
The device is designed for easy handling with dimensions of approximately 177mm (height) x 89mm (width) x 40mm (depth).


Kontrolne funkcije:
- Dugme za uključivanje / isključivanje: Located on the side for turning the device on or off.
- Dugmad F1-F4: Function buttons for specific operations within different modes.
- REL dugme: Funkcija relativnog mjerenja.
- AUTO RANGE Button: One-key automatic range selection for multimeter functions and waveform acquisition for oscilloscope.
- Dugme ZADRŽI/SAČUVAJ: To hold current readings or save data.
- Dugme MODE: Switches between different measurement modes (e.g., Multimeter, Oscilloscope).
- Dugme MENU: Accesses the expanded menu of system functions.
- Tipke sa strelicama: For navigation within menus and adjusting parameters.
Ulazi za ulaz:
- 10A Ulaz: For measuring high DC/AC currents (up to 10A).
- mA Input: Za mjerenje milliamp DC/AC currents.
- COM ulaz: Common input port for all measurements.
- VΩHz-II Input: Za merenje voltage, resistance, capacitance, diode, temperature, and continuity.
- CH1 Input (Top): BNC connector for oscilloscope probe.
- Type-C Port (Side): Za punjenje i prijenos podataka.
5. Podešavanje
5.1 Ugradnja i punjenje baterije
The ZT-702S uses a 2000mAh 18650 Lithium rechargeable battery. Ensure the battery is correctly installed before first use.
- Otvorite poklopac odeljka za baterije na poleđini uređaja.
- Insert the 18650 battery, observing the correct polarity.
- Čvrsto zatvorite poklopac odeljka za baterije.
- To charge, connect the provided Type-C USB cable to the side port of the device and to a suitable USB power adapter (not included). The charging status will be indicated on the screen.


5.2 Spajanje mjernih kabela i sondi
- For multimeter functions, insert the black test lead into the 'COM' jack and the red test lead into the appropriate function jack (e.g., 'VΩHz-II' for voltage/resistance, 'mA' or '10A' for current).
- For oscilloscope functions, connect the oscillometric probe to the BNC connector at the top of the device.
- For temperature measurements, connect the temperature probe to the 'VΩHz-II' and 'COM' jacks.
6. Uputstvo za upotrebu
6.1 Uključivanje/isključivanje napajanja
Press and hold the Power On/Off button located on the side of the device to turn it on or off.
6.2 Prebacivanje režima
Press the 'MODE' button to switch between Multimeter mode and Oscilloscope mode. The current mode will be displayed on the screen.

6.3 Rad u multimetru
In Multimeter mode, the device can measure various electrical parameters. Use the 'MODE' button to cycle through different measurement types (Voltage, Current, Resistance, etc.) and the 'AUTO RANGE' button for automatic scaling.
- DC/AC Voltage: Connect test leads to 'VΩHz-II' and 'COM'. Select voltage način.
- DC/AC struja: Connect test leads to 'mA' or '10A' and 'COM'. Select current mode.
- Otpor: Connect test leads to 'VΩHz-II' and 'COM'. Select resistance mode.
- Kapacitet: Connect test leads to 'VΩHz-II' and 'COM'. Select capacitance mode.
- temperatura: Connect temperature probe to 'VΩHz-II' and 'COM'. Select temperature mode.
- Dioda/Kontinuitet: Connect test leads to 'VΩHz-II' and 'COM'. Select diode or continuity mode.
- Učestalost: Connect test leads to 'VΩHz-II' and 'COM'. Select frequency mode.
6.4 Rad u režimu osciloskopa
In Oscilloscope mode, the device displays waveforms for analysis.
- Connect the oscillometric probe to the CH1 BNC input.
- Press the 'MODE' button to enter Oscilloscope mode.
- Use the 'AUTO RANGE' button for automatic waveform acquisition and scaling.
- Use the arrow keys and function buttons (F1-F4) to adjust parameters such as VOLT/TIME, MOVE, TRIGGER, and AC/DC coupling.
7. Održavanje
7.1 Čišćenje
Za čišćenje uređaja koristite meku, damp krpu. Ne koristite abrazivna sredstva za čišćenje ili rastvarače. Prije čišćenja provjerite je li uređaj isključen iz napajanja i odvojen od bilo kojeg izvora napajanja.
7.2 Njega baterija
To prolong battery life, charge the 18650 Lithium battery regularly. If the device will not be used for an extended period, it is recommended to fully charge the battery and store the device in a cool, dry place. Avoid extreme temperatures.
7.3 Skladištenje
Store the ZT-702S in its protective cloth bag when not in use to prevent scratches and minor impacts. Keep it away from direct sunlight, high humidity, and extreme temperatures.

8. Otkrivanje problema
If you encounter issues with your ZOYI ZT-702S, please refer to the following common problems and solutions:
- Uređaj se ne uključuje: Check if the battery is properly installed and charged. Connect the Type-C charger to see if it powers on.
- Netačna očitanja: Ensure test leads are correctly connected to the appropriate jacks for the selected measurement mode. Check for damaged test leads or probes. Calibrate the device if necessary (refer to advanced settings in the menu).
- No waveform display in oscilloscope mode: Verify the oscillometric probe is securely connected to the CH1 BNC input. Ensure the probe is properly connected to the circuit under test. Adjust the VOLT/TIME and TRIGGER settings. Use 'AUTO RANGE' to attempt automatic setup.
- Ekran je taman ili ne reaguje: Adjust screen brightness in the system settings. If unresponsive, try restarting the device.
- Baterija se ne puni: Check the Type-C cable and power adapter. Ensure the charging port is clean and free of debris.
If the problem persists, please contact ZOYI customer support.
9. Specifikacije
Below are the detailed technical specifications for the ZOYI ZT-702S:

9.1 Opšte specifikacije
| Karakteristično | Opis |
|---|---|
| Display | 9999 Counts |
| Domet | Auto+Manual |
| Materijal | ABS+TPE |
| SampBrzina linga (multimetar) | 3 puta/sek |
| True RMS | Da |
| Zadržavanje podataka | Da |
| Pozadinsko osvjetljenje ekrana | Da |
| Automatsko isključivanje | Da |
| Upozorenje na nisku bateriju | Da |
| Jezik | kineski/engleski |
| Težina | 345g |
| Baterija | 18650 Battery*1 |
| Dimenzije | 177x89x40mm |
| Radna temperatura | 0 - 40 ℃ |
| Certifikacija | CE, RoHS |
9.2 Specifikacije multimetra
| Funkcija | Measurement Range | Preciznost |
|---|---|---|
| DC Voltage | 9.999mV-999.9V | ±(0.5%+3) |
| AC Voltage | 9.999mV-750.0V | ±(1.0%+3) |
| DC Current | 9999μA-9.999A | ±(1.0%+3) |
| AC struja | 9999μA-9.999A | ±(1.0%+3) |
| Otpor | 99.99Ω-99.99MΩ | ±(0.5%+3) |
| Kapacitet | 0.001nF-99.99mF | ±(2.0%+5) |
| Temperatura | -20~1000℃ / -4~1832℉ | ±(2.5%+5) |
| Frekvencija | 0.01Hz-999.9KHz | |
| Diode | Da | |
| On/Off beep | Da |
9.3 Specifikacije osciloskopa
| Karakteristično | Opis |
|---|---|
| Bandwidth | 10MHz |
| Sampling metoda | U realnom vremenu sampling |
| S. u realnom vremenuample Rate | 48MSa / s |
| Broj kanala | 1 |
| Input Coupling | DC, AC |
| Input Impedance | 1MΩ, @16pF |
| Slabljenje sonde | X1, X10 |
| Maximum Input Voltage | 150V (DC+AC vrh) |
| Sampling Rate Range | 1.5 SB/s - 48 MSB/s |
| Interpolacija talasnog oblika | (sinx)x |
| Raspon brzine pometanja | 50ns/div - 20s/div |
| Preciznost vremenske baze | 20ppm |
| Dužina snimanja | Do 65Kbyte |
| Osjetljivost | 20mV/div-10V/div |
| Raspon pomaka | 4 ćelije (pozitivne i negativne) |
| Analog Bandwidth | 10MHz |
| Niskofrekventni odziv | Više od 10Hz |
| Vrijeme uspona | Manje od 10ns |
| DC Dobivanje tačnosti | ±3% |
| Automatsko mjerenje | Period, frekvencija, od vrha do vrha, maksimum, minimum, vrijednost, RMS |
| Trigger Method | Auto, Normal, Single |
| Trigger Edge | Rastuća ivica, padajuća ivica |
10. Savjeti za korisnike
Based on general usage and product features, here are some tips for optimizing your experience with the ZOYI ZT-702S:
- Utilize the 'AUTO RANGE' feature frequently, especially when starting a new measurement, to quickly get a stable reading or waveform.
- For precise oscilloscope measurements, manually adjust the VOLT/TIME and TRIGGER settings after using auto-range to fine-tune the display.
- 2.8-inčni ekran punogview color screen is designed for outdoor visibility; take advantage of this when working in bright conditions.
- Regularly transfer saved data to your computer via the Type-C connection to keep your device's memory clear and for detailed analysis.
- Always ensure the correct input jacks are used for current measurements (mA or 10A) to prevent damage to the device. The double ceramic fuse provides protection, but proper connection is key.
No specific user tips were available from external reviewili pitanja i odgovori za ovaj proizvod.
11. Garancija i podrška
ZOYI products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or contact the official ZOYI customer service channels. Keep your purchase receipt as proof of purchase for warranty claims.