1. Uvod
This manual provides instructions for the safe and effective operation of the Voltcraft VC155 Digital Hand-held Multimeter. The VC155 is designed for measuring and displaying electrical parameters within the CAT III 600V category. It offers functions for measuring direct and alternating voltage, resistance, acoustic continuity, diode testing, non-contact 230V/AC voltage testing, electric current (10A, mA, µA), and K-type temperature measurement.
Please read this manual thoroughly before using the device to ensure proper handling and to prevent potential hazards.
2. Sigurnosne informacije
Observe all safety precautions to prevent electric shock, injury, or damage to the meter or the equipment under test.
- The device is rated for Measurement Category CAT III 600V. Do not exceed these limits.
- Always ensure the test leads are in good condition and properly connected before making measurements.
- Ne pokušavajte izmjeriti voltage or current on circuits exceeding the specified maximum input values.
- The two measuring inputs are secured against overload. The voltage in the measuring circuit must not exceed 600V.
- This digital multimeter is equipped with ceramic high-performance fuses for protection. Do not bypass or use incorrect fuses.
- Only operate the device with a 9V block battery. Ensure correct polarity during installation.
- Ne koristite mjerač ako izgleda oštećeno ili ako poklopac baterije nije pravilno zatvoren.
- Avoid working alone when performing high-voltage mjerenja.
- Držite ruke i prste iza barijera sonde tokom mjerenja.
3. Karakteristike i komponente proizvoda

Slika 3.1: Prednja strana view of the Voltcraft VC155 Digital Multimeter with connected test leads.

Slika 3.2: Bočna strana view of the Voltcraft VC155 Digital Multimeter with its integrated kickstand extended for hands-free operation.
Ključne karakteristike:
- Prikaz: Digitalni displej sa 2000 brojeva.
- Raspon mjerenja: Manual range selection.
- Funkcija zadržavanja: Freezes the displayed measurement value.
- Funkcija pozadinskog osvjetljenja: Osvjetljava ekran za upotrebu u uslovima slabog osvjetljenja.
- Funkcija baklje: Integrated flashlight for illuminating the work area.
- Non-Contact Voltage (NCV) test: Otkriva AC voltage bez direktnog kontakta.
- Robustan dizajn: 2-component housing with soft rubber protection for durability and grip.
Komponente:
- LCD ekran: Shows measurement values, units, and function indicators.
- Dugme HOLD: Toggles data hold function.
- BACK LIGHT Button: Activates/deactivates display backlight and torch.
- Okretni prekidač: Selects measurement functions and ranges.
- COM ulazni priključak: Zajednički (negativni) ulaz za sva mjerenja.
- Ulazni priključak VΩmAµA: Pozitivan ulaz za volumentage, resistance, diode, continuity, and small current measurements.
- 10A max Input Jack: Pozitivan ulaz za mjerenja visoke struje (do 10A).
- Non-Contact Voltage (NCV) Sensor: Located at the top of the meter.
4. Podešavanje
4.1 Instalacija baterije
The Voltcraft VC155 requires one 9V block battery for operation. The battery is included with the device.
- Provjerite je li multimetar isključen.
- Pronađite odjeljak za bateriju na stražnjoj strani uređaja.
- Odvrnite vijak(e) za pričvršćivanje i uklonite poklopac baterije.
- Connect the 9V battery to the battery clips, observing correct polarity (+ and -).
- Stavite bateriju u odjeljak i vratite poklopac, pričvrstivši ga vijkom (vijcima).
4.2 Spajanje mjernog kabela
Pravilno spajanje mjernih kabela je ključno za tačna i sigurna mjerenja.

Figure 4.1: Voltcraft VC155 Multimeter showing connected test leads and the K-type temperature sensor.
- Uvijek povežite crna testni kabel do COM ulazni priključak.
- Za voltage, resistance, diode, continuity, and small current (mA/µA) measurements, connect the crvena testni kabel do VΩmAµA ulazni priključak.
- For high current (up to 10A) measurements, connect the crvena testni kabel do 10A maks ulazni priključak.
- Ensure connections are firm and secure.
4.3 Priključak temperaturnog senzora
To measure temperature, use the provided K-type temperature sensor.
- Connect the K-type temperature sensor's plug into the VΩmAµA i COM input jacks, observing polarity (positive to VΩmAµA, negative to COM).
5. Uputstvo za upotrebu
Turn the rotary switch to the desired function to power on the multimeter. Turn it to the "OFF" position to power off.
5.1 DC VoltagMjerenje e (V=)
- Set the rotary switch to the desired "V=" range (e.g., 200mV, 2V, 20V, 200V, 600V).
- Priključite crveni ispitni vod na VΩmAµA utičnicu i crni mjerni kabel do COM Jack.
- Spojite mjerne sonde paralelno preko komponente ili strujnog kola koje se mjeri.
- Pročitajte voltage vrijednost na ekranu.
5.2 AC VoltagMjerenje (V~)
- Set the rotary switch to the desired "V~" range (e.g., 200V, 600V).
- Priključite crveni ispitni vod na VΩmAµA utičnicu i crni mjerni kabel do COM Jack.
- Spojite mjerne sonde paralelno preko AC voltatage izvor.
- Pročitajte voltage vrijednost na ekranu.
5.3 Mjerenje istosmjerne struje (A=)
- OPREZ: Never connect the meter in parallel with a voltagizvor prilikom mjerenja struje. To može pregorjeti osigurač ili oštetiti mjerač.
- Set the rotary switch to the desired "A=" range (e.g., 200µA, 2mA, 20mA, 200mA, 10A).
- For µA/mA ranges, connect the red test lead to the VΩmAµA jack. For 10A range, connect the red test lead to the 10A maks jack. Connect the black test lead to the COM Jack.
- Otvorite strujni krug u kojem treba mjeriti struju i spojite mjerač serijski.
- Očitajte trenutnu vrijednost na displeju.
5.4 Mjerenje otpora (Ω)
- Set the rotary switch to the desired "Ω" range (e.g., 200Ω, 2kΩ, 20kΩ, 200kΩ, 2MΩ, 20MΩ).
- Priključite crveni ispitni vod na VΩmAµA utičnicu i crni mjerni kabel do COM Jack.
- Prije mjerenja otpora provjerite je li strujno kolo ili komponenta bez napona.
- Spojite ispitne sonde preko komponente.
- Očitajte vrijednost otpora na zaslonu.
5.5 Test kontinuiteta (•))))
- Postavite rotacijski prekidač na "•)))"pozicija".
- Priključite crveni ispitni vod na VΩmAµA utičnicu i crni mjerni kabel do COM Jack.
- Osigurajte da je strujni krug bez napona.
- Spojite ispitne sonde preko strujnog kola ili komponente.
- If continuity exists (resistance below approximately 50Ω), the buzzer will sound. The display will show the resistance value.
5.6 Test diode (→|)
- Postavite rotacijski prekidač na "→|"pozicija".
- Priključite crveni ispitni vod na VΩmAµA utičnicu i crni mjerni kabel do COM Jack.
- Provjerite da li je dioda isključena iz strujnog kruga.
- Spojite crvenu sondu na anodu, a crnu sondu na katodu diode. Na ekranu će se prikazati direktna voltaža.tage drop.
- Zamijenite mjesta sondama. Na ekranu bi trebalo biti prikazano "OL" (otvorena petlja) za ispravnu diodu.
5.7 Non-Contact Voltage (NCV) test
- Postavite rotacijski prekidač u položaj "NCV".
- Držite vrh multimetra blizu utičnice naizmjenične strujetagizvor (npr. žica pod naponom ili utičnica).
- The meter will emit an audible beep and the NCV indicator will light up if AC voltage je otkriven.
5.8 Mjerenje temperature (°C/°F)
- Set the rotary switch to the "°C" or "°F" position.
- Connect the K-type temperature sensor to the VΩmAµA i COM utičnice.
- Postavite vrh temperaturnog senzora na ili blizu objekta čija se temperatura mjeri.
- Očitajte vrijednost temperature na displeju.
5.9 Funkcija HOLD
- Pritisnite HOLD button during a measurement to freeze the current reading on the display.
- Pritisnite HOLD ponovo pritisnite dugme da biste otpustili očitanje i vratili se na mjerenje uživo.
5.10 Backlight and Torch Function
- Pritisnite BACK LIGHT button to activate the display backlight.
- Pritisnite i držite BACK LIGHT button to activate the integrated torch.
- Pritisnite BACK LIGHT button again to turn off the backlight or torch.
6. Održavanje
6.1 Čišćenje
- Turn off the meter and disconnect all test leads before cleaning.
- Obrišite kućište oglasomamp krpu i blagi deterdžent. Ne koristite abrazivna sredstva ili rastvarače.
- Ensure no moisture enters the meter's casing.
6.2 Zamjena baterije
When the battery symbol appears on the display, the 9V battery needs to be replaced.
- Isključite mjerač i odspojite sve mjerne kablove.
- Unscrew the retaining screw(s) on the battery compartment cover on the rear of the device.
- Remove the old battery and replace it with a new 9V block battery, observing correct polarity.
- Vratite poklopac baterije i pričvrstite ga vijkom (vijcima).
6.3 Zamjena osigurača
The current input jacks are protected by ceramic high-performance fuses. If the meter fails to measure current, the fuse may need replacement. Fuse replacement should only be performed by qualified personnel.
- Osigurači: F1: F 200mA/250V, F2: F 10A/250V (specific fuse ratings are typically printed near the fuse holder or in a more detailed service manual).
- Always replace with fuses of the exact same type and rating.
7. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema ekrana ili ekran je taman | Prazan ili prazna baterija. | Zamijenite 9V bateriju. |
| Netačna očitavanja | Odabrana pogrešna funkcija/opseg; loša veza mjernih kablova; oštećeni mjerni kablovi. | Provjerite funkciju i domet; osigurajte sigurne veze; pregledajte i zamijenite oštećene kablove. |
| Ne može se izmjeriti struja | Blown fuse in the current input circuit. | Replace the appropriate fuse (refer to Section 6.3). |
| Prikazano je "OL" (preopterećenje) | Measurement exceeds the selected range; open circuit (for resistance/continuity). | Select a higher range; check for open circuits or proper connection. |
8. Specifikacije
| Parametar | Vrijednost |
|---|---|
| Display | 2000 counts |
| Kategorija mjerenja | CATIII 600V |
| DC Voltage (V=) | Ranges: 200mV, 2V, 20V, 200V, 600V; Basic Accuracy: 0.5% |
| AC Voltage (V~) | Ranges: 200V, 600V; Basic Accuracy: 0.1V ~600V AC reading range |
| Jednosmjerna struja (A=) | Ranges: 200µA, 2mA, 20mA, 200mA, 10A |
| Otpor (Ω) | Ranges: 200Ω, 2kΩ, 20kΩ, 200kΩ, 2MΩ, 20MΩ; 10MΩ DC resistance, 4.5MΩ AC resistance |
| Test kontinuiteta | Audible buzzer below approx. 50Ω |
| Diodni test | Da |
| Non-Contact Voltage (NCV) | Yes (230V/AC test) |
| Merenje temperature | K-type sensor input |
| Izvor napajanja | 1 x 9V block battery (included) |
| Dimenzije (D x Š x V) | 5.91 x 2.95 x 1.5 inča (15.0 x 7.5 x 3.8 cm) |
| Težina | 7.1 unce (200 grama) |
9. Garancija i podrška
Voltcraft products are manufactured to high-quality standards and are subject to strict quality controls. For information regarding warranty terms, technical support, or service, please refer to the documentation provided with your purchase or contact your local Voltcraft dealer or customer service center.
You can also visit the official Voltcraft website for further assistance and product information.





