1. Uvod
Thank you for choosing the Pro'sKit MT-1270 Digital Multimeter. This device is a stable, battery-driven multimeter designed for accurate measurements in various electrical and electronic applications. It features a large, easy-to-read display panel, making it an ideal tool for laboratory, factory, maintenance, and repair tasks.
This manual provides essential information for the safe and effective operation of your MT-1270 multimeter. Please read it thoroughly before use and keep it for future reference.
2. Sigurnosne informacije
WARNING: To avoid electric shock or personal injury, read and understand all safety information before using this multimeter.
- Always ensure the multimeter is in good working condition and free from damage before use.
- Nemojte primjenjivati voltage ili struja koja prelazi maksimalne specificirane granice za multimetar.
- Budite oprezni pri radu s voltagiznad 30 V AC RMS, 42 V peak ili 60 V DC. Ovi volumenitagpredstavljaju opasnost od strujnog udara.
- Uvijek isključite napajanje iz strujnog kruga i ispraznite sve visokonaponsketage capacitors before making resistance, continuity, diode, or capacitance measurements.
- Odmah zamijenite bateriju kada se pojavi indikator slabe baterije kako biste osigurali točna očitanja.
- Ne koristite multimetar u eksplozivnim plinovima, parama ili prašnjavim okruženjima.
- Ensure the test leads are properly connected to the correct input jacks for the desired measurement function.
- Do not use the multimeter if the case is open or if the battery cover is not securely closed.
3. Proizvod je gotovview
The Pro'sKit MT-1270 is designed for versatility and ease of use. Key features include:
- Large and easy-to-read display panel.
- Mjere DC Voltage (DCV), AC Voltage (ACV), DC Current (DCA), AC Current (ACA).
- Measures Resistance, Capacitance, Diode, and Transistor (hFE).
- Continuity test function.
- Mogućnost mjerenja temperature.
3.1 Komponente
Refer to the image below for a visual representation of the multimeter's main components.

Slika 1: Prednja strana view of the Pro'sKit MT-1270 Digital Multimeter, showing the display, rotary function switch, and input terminals.
- Prikaz: Prikazuje očitanja mjerenja i indikatore.
- Prekidač funkcija/raspona: Rotary switch to select measurement type and range.
- Ulazni priključci: Terminals for connecting test leads (VΩmA, COM, 10A).
- Ispitni vodovi: Red and black leads for connecting to circuits.
4. Postavljanje
4.1 Ugradnja baterije
The MT-1270 multimeter is powered by a 9V battery (NEDA 1604 or 6F22 type). To install or replace the battery:
- Provjerite je li multimetar isključen i odspojite sve mjerne kabele.
- Pronađite poklopac odjeljka za baterije na stražnjoj strani uređaja.
- Unscrew the retaining screw(s) and carefully remove the cover.
- Connect the new 9V battery to the battery clip, observing correct polarity.
- Stavite bateriju u odjeljak i vratite poklopac, pričvrstivši ga vijkom (vijcima).
Bilješka: If the low battery indicator appears on the display, replace the battery promptly to maintain measurement accuracy.
5. Upute za rad
Before taking any measurements, ensure the test leads are correctly inserted into the appropriate input jacks and the function switch is set to the desired measurement type.
5.1 Mjerenje DC Voltage (DCV)
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the desired DCV range (e.g., 20V, 200V). If the voltagAko je e nepoznato, počnite s najvišim rasponom i smanjite ga po potrebi.
- Connect the test leads across the component or circuit to be measured, observing polarity (red to positive, black to negative).
- Pročitajte svtage vrijednost na zaslonu.
5.2 Mjerenje AC Voltage (ACV)
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the desired ACV range (e.g., 200V, 750V).
- Spojite mjerne kabele preko AC voltatage izvor.
- Pročitajte svtage vrijednost na zaslonu.
5.3 Mjerenje istosmjerne struje (DCA)
OPREZ: Nikada ne spajajte multimetar paralelno stage source when measuring current. This can blow the fuse or damage the meter.
- For currents up to 200mA, insert the red test lead into the "VΩmA" jack. For currents up to 10A, insert the red test lead into the "10A" jack. Insert the black test lead into the "COM" jack.
- Set the function switch to the desired DCA range (e.g., 20mA, 200mA, 10A).
- Turn off power to the circuit. Break the circuit and connect the multimeter in series with the load.
- Priključite napajanje na strujni krug i očitajte trenutnu vrijednost na zaslonu.
5.4 Mjerenje izmjenične struje (ACA)
The Pro'sKit MT-1270 supports AC current measurement. Follow the same procedure as for DC Current, but select the appropriate ACA range on the function switch.
- For currents up to 200mA, insert the red test lead into the "VΩmA" jack. For currents up to 10A, insert the red test lead into the "10A" jack. Insert the black test lead into the "COM" jack.
- Set the function switch to the desired ACA range.
- Turn off power to the circuit. Break the circuit and connect the multimeter in series with the load.
- Priključite napajanje na strujni krug i očitajte trenutnu vrijednost na zaslonu.
5.5 Mjerenje otpora (Ω)
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the desired Resistance (Ω) range.
- Ensure the circuit or component under test is completely de-energized.
- Spojite mjerne kabele preko komponente.
- Očitajte vrijednost otpora na zaslonu.
5.6 Mjerenje kapacitivnosti (F)
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the Capacitance (F) range.
- Prije mjerenja provjerite je li kondenzator potpuno ispražnjen kako biste spriječili oštećenje mjerača.
- Spojite mjerne kabele preko priključaka kondenzatora.
- Očitajte vrijednost kapaciteta na zaslonu.
5.7 Ispitivanje diode
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the Diode symbol (►|).
- Spojite crveni kabel na anodu, a crni kabel na katodu diode. Zaslon će prikazati direktnu voltažu.tage kap.
- Zamijenite mjesta vodova. Zaslon bi trebao prikazivati "OL" (otvorena petlja) za ispravnu diodu.
5.8 Ispitivanje tranzistora (hFE)
- Postavite funkcijsku sklopku u položaj hFE.
- Odredite je li tranzistor NPN ili PNP.
- Insert the transistor's emitter, base, and collector leads into the corresponding holes in the hFE socket on the multimeter.
- Očitajte vrijednost hFE (pojačanje istosmjerne struje) na zaslonu.
5.9 Test kontinuiteta
- Umetnite crveni mjerni kabel u priključak "VΩmA", a crni mjerni kabel u priključak "COM".
- Set the function switch to the Continuity symbol (sound wave).
- Provjerite je li strujni krug ili komponenta bez napona.
- Spojite mjerne kabele preko komponente ili putanje strujnog kruga.
- Ako postoji kontinuitet (otpor ispod određenog praga), oglasit će se zujalica, a zaslon će prikazati vrijednost otpora.
5.10 Mjerenje temperature
The MT-1270 supports temperature measurement. Connect the temperature probe (if included) to the appropriate input jacks, typically the VΩmA and COM jacks, and select the temperature function on the rotary switch. Follow the probe's specific instructions for use.
6. Održavanje
6.1 Čišćenje
Obrišite kućište oglasomamp krpom i blagim deterdžentom. Nemojte koristiti abrazivna sredstva ili otapala. Prije upotrebe provjerite je li multimetar potpuno suh.
6.2 Zamjena osigurača
WARNING: To prevent electric shock, disconnect the test leads before opening the case to replace the fuse.
If the current measurement function fails, the fuse may need replacement. Refer to the specifications for the correct fuse type and rating. To replace the fuse:
- Isključite multimetar i odspojite sve mjerne kabele.
- Open the battery compartment cover (and potentially the entire back case, depending on design).
- Pažljivo uklonite stari osigurač.
- Install a new fuse of the identical type and rating.
- Ponovno sastavite multimetar, pazeći da su svi vijci zategnuti.
6.3 Zamjena baterije
Refer to Section 4.1 for battery replacement instructions.
7. Rješavanje problema
| Problem | Mogući uzrok | Otopina |
|---|---|---|
| Nema zaslona ili je zaslon taman | Prazan ili prazna baterija | Zamijenite bateriju (vidi odjeljak 4.1). |
| Prikazano je "OL" (preopterećenje) | Input exceeds selected range; open circuit (for continuity/resistance) | Select a higher range; check for open circuit or broken lead. |
| Netočna očitanja | Low battery; incorrect function/range selected; poor test lead connection | Replace battery; select correct function/range; ensure leads are firmly connected. |
| Mjerenje struje ne radi | Pregorio osigurač | Zamijenite osigurač (vidi odjeljak 6.2). |
8. Specifikacije
| Parametar | Vrijednost |
|---|---|
| Broj modela | MT-1270 |
| Marka | Pro'sKit |
| Izvor napajanja | Baterija (9V) |
| Težina artikla | 190 gram |
| Dimenzije predmeta (D x Š x V) | 230 x 87 x 33 mm (otprilike 3.3 x 8.7 x 23 cm) |
| Mjerenja | DCV, ACV, DCA, ACA, Resistance, Capacitance, Diode, Transistor (hFE), Continuity, Temperature |
Note: Detailed accuracy specifications for each range are typically found in the full product datasheet.
9. Jamstvo i podrška
Pro'sKit products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Pro'sKit webstranicu. Sačuvajte račun kao dokaz o kupnji.
For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Pro'sKit customer service or your local distributor. Contact information can typically be found on the Pro'sKit webmjesto ili pakiranje proizvoda.
Službeni Pro'sKit Webstranica: www.proskit.com