1. Introducció
The WinAPEX ET8138 is a compact, 3 5/6 digit, pocket-sized True RMS intelligent scanning digital multimeter. It features a large 4.7-inch integrated color LCD touch screen with a triple display: main display, secondary display, and an analog bar. This instrument is designed for automatic recognition and measurement of AC/DC voltage and resistance, providing stable performance, high accuracy, and reliability. It is an ideal tool for laboratories, factories, radio enthusiasts, and household electrical testing.
Image 1.1: WinAPEX ET8138 Digital Multimeter. This image shows the front view of the multimeter with its large touch screen display, indicating various measurement modes and readings. A robotic hand is shown interacting with the screen, highlighting its touch functionality.
2. Informació de seguretat
Please read and understand all safety instructions before operating the multimeter. Failure to follow these instructions may result in electric shock, fire, or damage to the instrument.
- Voltage Límits: Quan es mesura el voltage, no introduïu un voltage exceeding the effective value of DC 1000V or AC 750V. Exceeding these limits can cause damage to the device and pose a safety risk.
- Safe Voltage Rang: Voltages below 36V in the current range are generally considered safe. Exercise caution with higher voltages.
- Test Lead Handling: When changing functions or measurement ranges, ensure the test leads are removed from the test point to prevent accidental short circuits or incorrect readings.
- Seguretat de la bateria: Ensure correct battery polarity when installing. Do not mix old and new batteries or different types of batteries. Remove batteries if the instrument is not used for an extended period.
- Condicions ambientals: Do not operate the multimeter in wet environments or in the presence of explosive gases or dust.
- Inspecció: Before each use, inspect the multimeter and test leads for any signs of damage. Do not use if damaged.
3. Producte acabatview
The WinAPEX ET8138 multimeter is designed for ease of use and comprehensive electrical testing. Key features include:
- Pantalla tàctil: 4.7-inch integrated color large screen for clear readings.
- Mesura automàtica: Automatically recognizes and measures AC/DC voltage i resistència.
- RMS veritable: Provides accurate measurements for non-sinusoidal waveforms.
- NCV (vol sense contacte).tage) Detecció: For detecting live wires without direct contact.
- Live Wire Judgment: Identifies live electrical lines.
- Llanterna: Integrated flashlight for working in dimly lit areas.
- Conservació de dades: Congela la lectura actual a la pantalla.
- Apagat automàtic (APO): Conserva la durada de la bateria.
Image 3.1: Multimeter Components. This diagram labels the key parts of the WinAPEX ET8138, including the LCD display, hang rope hole, flashlight lighting, fire line test, capacitance, NCV, on-off key, hold button, function switch, data hold, screen backlight, and battery cover.
4. Configuració
4.1 Instal·lació de la bateria
- Locate the battery cover on the back of the multimeter (refer to Image 3.1).
- Use a suitable screwdriver to open the battery cover.
- Insert two AAA 1.5V batteries (not included) into the battery compartment, ensuring correct polarity (+ and -).
- Substituïu la tapa de la bateria i fixeu-la amb el cargol.
4.2 Connexió dels cables de prova
The multimeter comes with a pair of test leads. Insert the red test lead into the "VΩmA" input jack and the black test lead into the "COM" input jack for most measurements.
5. Instruccions de funcionament
5.1 Encès/Apagat
Press and hold the power button (labeled "POWER" or with a power symbol) for approximately 3 seconds to turn the multimeter on or off.
5.2 Mode de mesura automàtic
Upon powering on, the ET8138 automatically enters intelligent scanning mode. It will automatically recognize and measure AC/DC voltage and resistance based on the input. This eliminates the need to manually select functions for basic measurements.
5.3 Manual Function Selection
While the multimeter primarily operates in automatic mode, you can manually switch to measure specific parameters such as DC voltage, vol. ACtage, capacitance, electric field, live wire judgment, diode, and on/off (continuity) test. Use the function conversion button (often labeled with symbols like "Hz", "V", "Ω", "Capacitance", "Diode", "Continuity") to cycle through these modes.
5.4 Funcions específiques
- NCV (vol sense contacte).tage): Press the "Live NCV" button to activate NCV mode. Bring the top of the multimeter close to a live wire or electrical outlet. The display will indicate the presence of AC voltage, and an audible alarm may sound.
- Live Wire Judgment: In Live Wire mode (selected via function button or "Live NCV" button), touch the red test lead to the suspected live wire. The display will indicate "LIVE" and provide a reading if a live wire is detected.
- Conservació de dades: Premeu el botó "HOLD" per congelar la lectura actual a la pantalla. Premeu-lo de nou per alliberar-la.
- Llanterna: The flashlight can be activated by a dedicated button or a long press of a specific function button (refer to Image 3.1 for exact button).
6. Manteniment
6.1 Neteja
Netegeu el multímetre casing amb anunciamp cloth and mild detergent. Do not use abrasive cleaners or solvents. Ensure the device is powered off and disconnected from any circuits before cleaning.
6.2 Substitució de la bateria
When the low battery indicator appears on the display, replace the batteries as described in Section 4.1. Always use two new AAA 1.5V batteries.
6.3 Emmagatzematge
If the multimeter will not be used for an extended period, remove the batteries to prevent leakage. Store the instrument in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Solució De Problemes
- Sense pantalla:
- Check if the multimeter is powered on.
- Verify battery installation and ensure batteries are not depleted. Replace if necessary.
- Lectures incorrectes:
- Assegureu-vos que els cables de prova estiguin inserits correctament als endolls corresponents.
- Verify that the correct measurement function is selected (if not in auto mode).
- Check for damaged test leads or poor connections.
- Assegureu-vos que el voltage or current being measured is within the instrument's specified range.
- Multimeter Not Responding:
- Proveu d'apagar i tornar a encendre el dispositiu.
- Substituïu les piles.
8. Especificacions
The following table outlines the technical specifications of the WinAPEX ET8138 Digital Multimeter:
| Paràmetre | Especificació |
|---|---|
| Tipus de visualització | Digital display, 3 5/6 digits, 6000 counts, 4.7-inch color LCD |
| Vol. ACtage Rang | Fins a 750V |
| DC Voltage Rang | Fins a 1000V |
| Rang de mesura de resistència | Fins a 6 MΩ |
| Rang de mesura de capacitança | Up to 60 mF |
| RMS veritable | Sí |
| NCV (vol sense contacte).tage) | Sí |
| Detecció de cable en directe | Sí |
| Font d'alimentació | 2 piles AAA d'1.5 V (no incloses) |
| Dimensions | 133 mm x 67 mm x 12 mm (aprox. 5.24 x 2.64 x 0.47 polzades) |
| Pes de l'article | 50 grams (aproximadament 1.76 unces) |
| Certificació | CE |
Image 8.1: Multimeter Dimensions. This image illustrates the physical dimensions of the WinAPEX ET8138, showing its length (133mm) and width (67mm), emphasizing its compact, portable design.
9. Garantia i Suport
This product is manufactured by MDWXDOFP. For warranty information, technical support, or service inquiries, please contact the retailer or manufacturer directly. Please retain your proof of purchase for any warranty claims.
