1. Uvod
This manual provides detailed instructions for the safe and effective use of the Mastfuyi FY159B Digital Intelligent Multimeter. This compact and portable device is designed for various electrical measurements, featuring a clear digital color display with backlight for enhanced readability in diverse environments. It offers multiple functions including capacitance, frequency, resistance, AC/DC voltage, diode testing, on-off buzzer, breakpoint detection, and non-contact voltage (NCV) measurement. The FY159B is suitable for electrical testing, automotive repair, household improvements, and industrial electrical maintenance.
2. Sigurnosne informacije
Please read all safety warnings and operating instructions carefully before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Uvijek provjerite je li multimetar u ispravnom načinu mjerenja prije spajanja mjernih kabela na strujno kolo.
- Ne pokušavajte izmjeriti voltages or currents exceeding the specified maximum limits of the device.
- Budite izuzetno oprezni pri radu s strujnim krugovima pod naponom. Izbjegavajte kontakt s golim žicama ili terminalima.
- Prije svake upotrebe provjerite mjerne kablove na oštećenja (npr. napuknutu izolaciju, izloženi metal). Oštećene kablove odmah zamijenite.
- Ne koristite multimetar ako izgleda oštećeno ili ako ne radi ispravno.
- Držite ruke i prste iza barijera sonde tokom mjerenja.
- Always disconnect power to the circuit before performing resistance, capacitance, or diode tests.
- Replace the fuse only with the specified type and rating to maintain safety and performance.
- Do not operate the multimeter in wet conditions or explosive atmospheres.
3. Proizvod je gotovview
The Mastfuyi FY159B Digital Intelligent Multimeter is designed for ease of use and accurate measurements. Below is an overview njegovih glavnih komponenti i karakteristika.
3.1. Ključne komponente

- NCV Probes: Za beskontaktno snimanje volumenatage detekcija.
- svjetiljka: Osvjetljava radno područje.
- LED ekran: Digital color display for measurement readings and indicators.
- Dugme za uključivanje/isključivanje: Uključuje ili isključuje uređaj.
- Select Function Button (SEL): Cycles through different measurement modes within a category.
- Data Hold / Flashlight Button (HOLD): Short press to hold data, long press to activate/deactivate flashlight.
- H/L NCV / Capacitor/Diode/Zero-Fire Button: Selects NCV sensitivity or specific test functions.
- Current Input (10A): Terminal for high current measurements.
- COM ulaz: Common (negative) terminal for all measurements.
- VΩ°C°FHz Input: Terminal za voltage, resistance, temperature, frequency, and diode measurements.
3.2. Karakteristike
- Digitalni displej u boji: Clear definition digital color display with backlight and large font for easy data reading.
- Višestruke mjerne funkcije: Capacitance, frequency, resistance, AC/DC voltage, diode, on-off buzzer, breakpoint detection, zeroline/fireline identification, automatic shutdown.
- Beskontaktno Voltage (NCV) Measurement: Voltage detection with alarm, supporting two sensitivity levels.
- Zeroline/Fireline Identification: Differentiates live and neutral lines with visual and audible indicators.
- Kompaktan i prenosiv dizajn: Easy to carry for various applications.
- Punjiva litijumska baterija: Integrated 1000mAh lithium battery for convenience.
4. Podešavanje
4.1. Punjenje baterije
The Mastfuyi FY159B is equipped with a rechargeable 1000mAh lithium battery. Before initial use, ensure the device is fully charged.

- Spojite priloženi USB kabel za punjenje na priključak za punjenje multimetra.
- Drugi kraj USB kabla priključite na standardni USB adapter za napajanje (nije uključen) ili USB port računara.
- Crvena indikatorska lampica će svijetliti tokom punjenja.
- Indikator će zasvijetliti zeleno kada je baterija potpuno napunjena.
4.2. Povezivanje ispitnih vodova
Pravilno spajanje mjernih kabela je ključno za tačna i sigurna mjerenja.
- Umetnite crni test kabl u COM (Zajednički) ulazni priključak.
- Za većinu mjerenja (volumentage, resistance, capacitance, frequency, diode), insert the red test lead into the VΩ°C°FHz ulazni priključak.
- Za mjerenja visoke struje (do 10A), umetnite crveni mjerni kabel u 10A ulazni priključak.
5. Uputstvo za upotrebu
5.1. Uključivanje/isključivanje
Pritisnite Uključi/isključi button to power the multimeter on. The device features an automatic shutdown function to conserve battery life after a period of inactivity.
5.2. svtage Measurement
Za mjerenje AC ili DC voltage:

- Connect the black test lead to the COM jack and the red test lead to the VΩ°C°FHz jack.
- Turn on the multimeter. The device will automatically detect AC or DC voltage.
- Carefully touch the test probes to the points in the circuit where you want to measure voltage.
- Pročitajte voltage vrijednost prikazana na ekranu.
5.3. Mjerenje kapacitivnosti
Za mjerenje kapacitivnosti:

- Prije testiranja provjerite je li kondenzator potpuno ispražnjen.
- Connect the black test lead to the COM jack and the red test lead to the VΩ°C°FHz jack.
- Select the capacitance measurement mode using the SEL dugme ako je potrebno.
- Connect the test probes across the terminals of the capacitor.
- Očitajte vrijednost kapaciteta prikazanu na ekranu.
5.4. Non-Contact Voltage (NCV) / Live Wire Checking
NCV funkcija omogućava detekciju AC volumnatage bez direktnog kontakta, što povećava sigurnost.

- Select the NCV mode. You can adjust sensitivity (H/L NCV) if available.
- Bring the NCV probe (top of the multimeter) close to the wire or outlet you wish to test.
- Multimetar će pokazati prisustvo AC voltažetage through an audible beep and a visual indicator on the screen (e.g., 'LIVE' icon, changing bar graph).
- For zeroline/fireline identification, the analog bar will be full and the buzzer will sound when measuring a live line; there will be no response for a neutral line.
5.5. Breakpoint Determination
This function helps identify breaks in electrical wires.

- Select the breakpoint determination mode.
- Move the NCV probe along the insulated wire.
- The multimeter will indicate a change (e.g., loss of signal, 'LO' display) at the point where the wire is broken.
5.6. Test diode
Za testiranje dioda:

- Connect the black test lead to the COM jack and the red test lead to the VΩ°C°FHz jack.
- Select the diode test mode using the SEL dugme.
- Spojite crvenu sondu na anodu, a crnu sondu na katodu diode.
- Multimetar će prikazati direktnu jačinu zvuka.tagpad e. Zamijenite mjesta sondama; očitanje otvorenog kola (OL) ukazuje na ispravnu diodu.
5.7. Resistance and Frequency Measurement
The multimeter also supports resistance and frequency measurements. Connect the test leads as for voltage measurement (red to VΩ°C°FHz, black to COM) and select the appropriate mode using the SEL button. Ensure the circuit is de-energized before measuring resistance.
6. Održavanje
6.1. Čišćenje
Za čišćenje multimetra, obrišite kućište sredstvom za čišćenje.amp krpom i blagim deterdžentom. Ne koristite abrazivna sredstva ili rastvarače. Prije čišćenja provjerite je li uređaj isključen iz strujnog kruga i odvojen od svih strujnih krugova.
6.2. Zamjena osigurača
The Mastfuyi FY159B features an easy-to-replace current fuse design. If the current measurement function fails, the fuse may need replacement.
- Power off the multimeter and disconnect all test leads.
- Refer to the device's internal diagram or casing for fuse compartment access.
- Replace the blown fuse with a fuse of the exact same type and rating to ensure continued safety and proper operation.
7. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema ekrana ili ekran je taman | Slaba baterija ili je uređaj isključen. | Charge the battery. Press the power button to turn on the device. |
| Netačna očitavanja | Incorrect measurement mode, poor test lead connection, or external interference. | Verify the correct mode is selected. Ensure test leads are securely connected. Move away from strong electromagnetic fields. |
| Mjerenje struje ne radi | Pregoreo osigurač. | Replace the fuse with the specified type and rating. |
| NCV ne detektuje volumentage | Low sensitivity setting or no AC voltage prisutan. | Adjust NCV sensitivity (H/L). Confirm AC voltage is present in the area being tested. |
8. Specifikacije
| Feature | Detalj |
|---|---|
| Model | FY159B |
| Materijal | ABS |
| Measurement Mode | Automatic + Manual Dual Mode |
| Display | Digital Color Screen, Backlight, Large Font |
| Baterija | Punjiva litijumska baterija (1000mAh) |
| Funkcije | Capacitance, Frequency, Resistance, AC/DC Voltage, Diode, On-off Buzzer, Breakpoint Detection, Zeroline/Fireline Identification, Automatic Shutdown, Non-contact Voltage (NCV) |
| Dimenzije paketa | 7.28 x 3.66 x 1.77 inča |
| Težina artikla | 10.5 unce |
9. Garancija i podrška
Specific warranty information for the Mastfuyi FY159B Digital Intelligent Multimeter is not provided in this document. For warranty details, technical support, or service inquiries, please refer to the product packaging or contact the retailer/manufacturer directly.





