AN101 Pocket LCD Digital Multimeter Instruction Manual

1. Introducció

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. Informació de seguretat

Sempre observeu les següents precaucions de seguretat quan feu servir el multímetre:

• No supereu els valors d'entrada màxims especificats per a cada rang.
• Aneu amb extrema precaució quan treballeu amb voltagper sobre de 30 V CA RMS, 42 V pic o 60 V CC. Aquests voltagsuposen un risc de xoc.
• Before changing functions or ranges, disconnect the test leads from the circuit under test.
• Never connect the meter to a voltage source when the function switch is set to Current, Resistance, or Diode/Continuity mode.
• Assegureu-vos que la tapa de la bateria estigui ben tancada abans de fer-la funcionar.
• 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. Producte acabatview

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: Frontal 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: Angle 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: posterior view of the AN101 multimeter, displaying the battery compartment cover and warning labels.

4. Configuració

4.1 Instal·lació de la bateria

The AN101 multimeter requires two 3V CR2032 batteries (not included) for operation.

1. Assegureu-vos que el multímetre estigui APAGAT.
2. Localitzeu el compartiment de la bateria a la part posterior de la unitat (vegeu la figura 3.4).
3. Using a small screwdriver, carefully remove the screw securing the battery cover.
4. Traieu la tapa de la bateria.
5. Insert two CR2032 batteries, observing the correct polarity (+/-) as indicated inside the compartment.
6. Substituïu la tapa de la bateria i fixeu-la amb el cargol.

4.2 Connexió del cable de prova

Connect the test leads to the appropriate input jacks:

• Inseriu el negre cable de prova a la COM (common) jack.
• Inseriu el vermell cable de prova a la VΩmA jack for voltagMesures de resistència, díode, continuïtat i corrent fins a 200 mA.

Figura 4.1: Primer pla view of the multimeter's input jacks, showing the COM and VΩmA ports for test lead connection.

5. Instruccions de funcionament

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 Funcionament general

1. Gireu l'interruptor rotatiu a la funció desitjada.
2. Connecteu els cables de prova al circuit o component que s'està provant.
3. Llegiu el valor de mesura a la pantalla LCD.
4. Utilitza el SELECCIONA button to toggle between AC/DC modes where applicable (e.g., Voltage, Current).
5. Utilitza el GAMMA button to switch between auto-ranging and manual ranging.
6. Utilitza el MANTENIM per congelar la lectura actual a la pantalla. Premeu-la de nou per alliberar-la.

5.2 Mesurar DC Voltage (V–)

1. Configureu el commutador rotatiu a V–.
2. Connect the red test lead to the positive (+) side of the DC voltage source and the black test lead to the negative (-) side.
3. Llegeix el voltage value on the display. The meter will automatically select the appropriate range.

5.3 Mesurar AC Voltage (V∼)

1. Configureu el commutador rotatiu a V∼.
2. Connecteu els cables de prova a través del voltatge de CAtage font.
3. Llegeix el voltage value on the display. The meter will automatically select the appropriate range.

5.4 Measuring DC Current (µA–, mA–)

1. IMPORTANT: Ensure the circuit is de-energized before connecting the meter in series.
2. Configureu el commutador rotatiu a µA– or mA– depending on the expected current.
3. Break the circuit and connect the multimeter in series with the load. The red lead connects to the higher potential side, and the black lead to the lower potential side.
4. Aplica energia al circuit.
5. Llegiu el valor actual a la pantalla.

5.5 Measuring AC Current (µA∼, mA∼)

1. IMPORTANT: Ensure the circuit is de-energized before connecting the meter in series.
2. Configureu el commutador rotatiu a µA∼ or mA∼ depending on the expected current.
3. Break the circuit and connect the multimeter in series with the load.
4. Aplica energia al circuit.
5. Llegiu el valor actual a la pantalla.

5.6 Mesura de la resistència (Ω)

1. Assegureu-vos que el circuit o component estigui desenergitzat abans de mesurar la resistència.
2. Configureu el commutador rotatiu a Ω.
3. Connecteu els cables de prova al component que s'ha de mesurar.
4. Llegiu el valor de resistència a la pantalla.

5.7 Diode Test (→|•)

1. Ensure the diode is disconnected from any power source.
2. Configureu el commutador rotatiu a →|•.
3. Connecteu el cable de prova vermell a l'ànode i el cable de prova negre al càtode del díode. La pantalla mostrarà el volum directe.tage gota.
4. Inverteix els cables. La pantalla hauria de mostrar "OL" (bucle obert) per a un díode en bon estat.

5.8 Continuity Test (→|•)

1. Assegureu-vos que el circuit o component estigui desenergitzat.
2. Configureu el commutador rotatiu a →|•.
3. Connecteu els cables de prova a través del circuit o component.
4. If continuity exists (resistance below approximately 50Ω), the buzzer will sound. The display will show the resistance value.

6. Manteniment

6.1 Neteja

Per netejar el multímetre, netegeu la carcassa amb aiguaamp drap i un detergent suau. No utilitzeu abrasius ni dissolvents. Assegureu-vos que el mesurador estigui completament sec abans d'utilitzar-lo.

6.2 Substitució de la bateria

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 Emmagatzematge

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. Solució De Problemes

If you encounter issues with your AN101 multimeter, refer to the table below for common problems and solutions.

8. Especificacions

Detailed technical specifications for the AN101 Pocket LCD Digital Multimeter:

9. Garantia i Suport

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.