1. Introduzzjoni
This manual provides detailed instructions for the safe and effective use of the AN101 Pocket LCD Digital Multimeter. This compact and reliable instrument is designed for measuring DC/AC Voltage, DC/AC Current, Resistance, Diode, and Continuity. It is an essential tool for electricians, hobbyists, and students.
2. Informazzjoni dwar is-Sigurtà
Dejjem osserva l-prekawzjonijiet ta' sigurtà li ġejjin meta tħaddem il-multimetru:
- Teċċedix il-valuri massimi tad-dħul speċifikati għal kull firxa.
- Oqgħod attent ħafna meta taħdem bil-voltag'il fuq minn 30V AC RMS, 42V peak, jew 60V DC. Dawn il-volumitages joħolqu periklu ta' xokk.
- Qabel ma tbiddel il-funzjonijiet jew il-firxiet, skonnettja l-wajers tat-test miċ-ċirkwit li qed jiġi ttestjat.
- Never connect the meter to a voltage source when the function switch is set to Current, Resistance, or Diode/Continuity mode.
- Kun żgur li l-għatu tal-batterija jkun magħluq sew qabel l-operazzjoni.
- If the meter is used in a manner not specified by the manufacturer, the protection provided by the meter may be impaired.
- Always use appropriate personal protective equipment (PPE) when working with electrical circuits.
3. Prodott Aktarview
The AN101 Pocket LCD Digital Multimeter features a compact design with an easy-to-read LCD display and intuitive controls. Below are images illustrating the device and its components.

Figura 3.1: Quddiem view of the AN101 Digital Multimeter with its red and black test leads. The display, function dial, and buttons are clearly visible.

Figura 3.2: Angolat view of the multimeter, showing the LCD screen, function selector dial, and input jacks. Insets highlight the display, side profile, and back of the unit.

Figure 3.3: The AN101 multimeter held in a gloved hand, demonstrating its compact, pocket-sized form factor.

Figura 3.4: Wara view of the AN101 multimeter, displaying the battery compartment cover and warning labels.
4. Setup
4.1 Installazzjoni tal-batterija
The AN101 multimeter requires two 3V CR2032 batteries (not included) for operation.
- Kun żgur li l-multimetru huwa MITFI.
- Sib il-kompartiment tal-batterija fuq wara tal-unità (ara l-Figura 3.4).
- Bl-użu ta' tornavit żgħir, neħħi bir-reqqa l-kamin li jżomm l-għatu tal-batterija.
- Neħħi l-għatu tal-batterija.
- Insert two CR2032 batteries, observing the correct polarity (+/-) as indicated inside the compartment.
- Ibdel l-għatu tal-batterija u waħħalha bil-kamin.
4.2 Konnessjoni tal-wajer tat-test
Qabbad il-wajers tat-test mal-jacks tad-dħul xierqa:
- Daħħal il- iswed ċomb tat-test fil- COM ġakk (komuni).
- Daħħal il- aħmar ċomb tat-test fil- VΩmA jack għall-volumtage, reżistenza, dijodu, kontinwità, u kejl tal-kurrent sa 200mA.

Figura 4.1: Close-up view of the multimeter's input jacks, showing the COM and VΩmA ports for test lead connection.
5. Istruzzjonijiet Operattivi
The AN101 features automatic ranging for most measurements, simplifying operation. Always ensure the test leads are correctly connected and the function dial is set to the desired measurement type.
5.1 Operazzjoni Ġenerali
- Dawwar is-swiċċ rotatorju għall-funzjoni mixtieqa.
- Connect the test leads to the circuit or component under test.
- Aqra l-valur tal-kejl fuq id-displej LCD.
- Uża l- AGĦŻEL button to toggle between AC/DC modes where applicable (e.g., Voltage, Current).
- Uża l- GANJA button to switch between auto-ranging and manual ranging.
- Uża l- ŻOMM buttuna biex tiffriża l-qari attwali fuq id-displej. Agħfas mill-ġdid biex tirrilaxxa.
5.2 Kejl DC Voltage (V–)
- Issettja l-iswiċċ li jdur għal V–.
- Connect the red test lead to the positive (+) side of the DC voltage source and the black test lead to the negative (-) side.
- Aqra l-voltage value on the display. The meter will automatically select the appropriate range.
5.3 Kejl AC Voltage (V∼)
- Issettja l-iswiċċ li jdur għal V∼.
- Qabbad il-wajers tat-test mal-vultaġġ ACtagsors e.
- Aqra l-voltage value on the display. The meter will automatically select the appropriate range.
5.4 Measuring DC Current (µA–, mA–)
- IMPORTANTI: Ensure the circuit is de-energized before connecting the meter in series.
- Issettja l-iswiċċ li jdur għal µA– or mA– depending on the expected current.
- Ikteb iċ-ċirkwit u qabbad il-multimeter f'serje mat-tagħbija. Il-wajer aħmar jikkonnettja man-naħa tal-potenzjal ogħla, u l-wajer iswed man-naħa tal-potenzjal aktar baxx.
- Applika l-enerġija għaċ-ċirkwit.
- Aqra l-valur attwali fuq id-displej.
5.5 Measuring AC Current (µA∼, mA∼)
- IMPORTANTI: Ensure the circuit is de-energized before connecting the meter in series.
- Issettja l-iswiċċ li jdur għal µA∼ or mA∼ depending on the expected current.
- Ikser iċ-ċirkwit u qabbad il-multimetru f'serje mat-tagħbija.
- Applika l-enerġija għaċ-ċirkwit.
- Aqra l-valur attwali fuq id-displej.
5.6 Kejl tar-Reżistenza (Ω)
- Kun żgur li ċ-ċirkwit jew il-komponent ma jkollux l-enerġija qabel ma tkejjel ir-reżistenza.
- Issettja l-iswiċċ li jdur għal Ω.
- Qabbad il-wajers tat-test mal-komponent li għandu jitkejjel.
- Aqra l-valur tar-reżistenza fuq il-wiri.
5.7 Diode Test (→|•)
- Ensure the diode is disconnected from any power source.
- Issettja l-iswiċċ li jdur għal →|•.
- Qabbad il-wajer tat-test aħmar mal-anodu u l-wajer tat-test iswed mal-katodu tad-dijodu. Id-displej se juri l-volum 'il quddiemtagqatra e.
- Reverse the leads. The display should show 'OL' (Open Loop) for a good diode.
5.8 Continuity Test (→|•)
- Kun żgur li ċ-ċirkwit jew il-komponent ma jkollux l-enerġija.
- Issettja l-iswiċċ li jdur għal →|•.
- Qabbad il-wajers tat-test madwar iċ-ċirkwit jew il-komponent.
- If continuity exists (resistance below approximately 50Ω), the buzzer will sound. The display will show the resistance value.
6. Manutenzjoni
6.1 Tindif
Biex tnaddaf il-multimetru, imsaħ il-kaxxa b'adamp drapp u deterġent ħafif. Tużax abrażivi jew solventi. Kun żgur li l-miter ikun niexef għalkollox qabel l-użu.
6.2 Sostituzzjoni tal-batterija
When the battery indicator appears on the display, the batteries are low and should be replaced immediately to ensure accurate readings. Refer to Section 4.1 for battery installation instructions.
6.3 Ħażna
If the meter is not to be used for an extended period, remove the batteries to prevent leakage and damage to the unit. Store the multimeter in a cool, dry place, away from direct sunlight and extreme temperatures.
7 Issolvi l-problemi
If you encounter issues with your AN101 multimeter, refer to the table below for common problems and solutions.
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-ebda wiri jew wiri mudlam | Batteriji baxxi jew mejta; Installazzjoni mhux korretta tal-batterija | Replace batteries (CR2032 x2); Check battery polarity |
| 'OL' (Overload) displayed | Input value exceeds selected range; Open circuit (for resistance/continuity) | Switch to a higher range (if in manual mode); Check circuit connections; Ensure component is not open |
| Qari mhux eżatt | Low batteries; Incorrect function/range selected; Poor test lead connection | Replace batteries; Verify function and range; Ensure leads are firmly connected |
| L-ebda ħoss ta' kontinwità | Circuit resistance is too high; Open circuit | Check for breaks in the circuit; Ensure resistance is below threshold for beep |
8. Speċifikazzjonijiet
Detailed technical specifications for the AN101 Pocket LCD Digital Multimeter:
| Karatteristika | Speċifikazzjoni |
|---|---|
| Mudell | AN101 |
| Wiri | LCD, 1999 counts, updates 2/sec |
| Daqs LCD | Approx. 40*20mm |
| Indikazzjoni tal-Polarità | "-" displayed automatically |
| Indikazzjoni ta 'firxa żejda | "OL" displayed |
| Firxa Agħżel | Auto jew Manwal |
| Tip ta 'batterija | 3V x 2, 2032 size (CR2032) |
| Temperatura ta' Operazzjoni | 0 to 40°C, < 80%RH |
| Temperatura tal-Ħażna | -10 to 50°C, < 85%RH |
| DC Voltage (Medda awtomatika) | 200mV, 2V, 20V, 200V, 600V |
| Kurrent DC | 200µA, 2000µA, 20mA, 200mA |
| Kurrent AC | 200µA, 2000µA, 20mA, 200mA (Frequency Range: 40Hz ~ 400Hz) |
| AC Voltage (Medda awtomatika) | 2V, 20V, 200V, 600V (Frequency Range: 40Hz ~ 400Hz) |
| Impedenza tad-dħul | 10MΩ (for Voltage) |
| Protezzjoni ta 'tagħbija żejda | 600V DC/AC rms (Voltage); F0.5A/600V fuse (Current) |
| Max. Input Voltage | 600V DC/AC rms |
| Max. Kurrent tad-Dħul | 500mA |
9. Garanzija u Appoġġ
This product is typically covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty details, return policies, or technical support, please refer to the documentation provided at the time of purchase or contact your seller directly. Keep your purchase receipt as proof of purchase.





