Aicevoos AS-118D Smart Digital Multimeter User Manual

Safety Information

Please read and understand all safety warnings and operating instructions before using this multimeter. Failure to follow these instructions may result in electric shock, fire, or damage to the device.

• IEC Rated CAT.III 600V: This device meets safety standards for measurements in distribution-level electricity.
• CE, FCC, RoHS Certified: Complies with relevant European, US, and environmental safety directives.
• 10A Fuse and Overload Protection: Integrated protection against excessive current.
• Silicone Case: Provides enhanced drop protection and helps prevent electrical leakage.
• Always inspect test leads for damage before use. Do not use if insulation is compromised.
• Do not attempt to measure voltages or currents exceeding the specified maximum limits.
• Ensure the multimeter is in the correct measurement mode before connecting to a circuit.
• Avoid using the multimeter in wet environments or during electrical storms.
• Keep fingers behind the finger guards on the test probes during measurements.

Product Overview

The Aicevoos AS-118D is an auto-ranging smart digital multimeter designed for accurate measurement of various electrical parameters. It features a large LCD color screen, True RMS functionality, and a smart mode for simplified operation.

Front view of the Aicevoos AS-118D Smart Digital Multimeter, showcasing its large display and control buttons.

Key Features:

• Smart Mode: Automatically identifies and measures AC/DC voltage, resistance, and continuity, selecting the optimal range.
• True RMS: Provides accurate measurements for non-linear loads.
• Large 4-inch LCD Display: Clear, backlit color screen for easy readability in various lighting conditions.
• Flashlight: Integrated for improved visibility in dimly lit work areas.
• Auto Shut-off: Conserves battery power by automatically turning off after 10 minutes of inactivity.
• Versatile Measurements: Capable of measuring AC/DC Voltage, AC/DC Current, Resistance, Continuity, Capacitance, Frequency, Diode, Temperature, Non-Contact Voltage (NCV), and Live Wire detection.
• Compact Design: With a thickness of only 2 cm, it is portable and easy to handle.

The Aicevoos AS-118D Multimeter is designed to be slim, with a thickness of only 2 cm, enhancing portability.

Packaging Contents

Verify that all items are present in the package:

• AS-118D Smart Digital Multimeter: 1 unit
• Cloth Bag: 1 unit
• Protective Case: 1 unit
• Test Leads: 1 set
• K-Type Temperature Probe: 1 set
• User's Manual: 1 unit
• 1.5V AAA Battery: 2 units (Note: Product specifications state batteries are not included, but packaging details list them. Please check your package upon receipt.)

Illustration of the Aicevoos AS-118D Multimeter and its included accessories: packaging box, cloth bag, protective case, test leads, K-type temperature probe, user manual, and AAA batteries.

Setup

1. Battery Installation

1. Locate the battery compartment on the back of the multimeter.
2. Use a screwdriver to open the battery cover.
3. Insert two 1.5V AAA batteries, ensuring correct polarity (+/-).
4. Securely close the battery cover and fasten the screw.

2. Attaching the Protective Case

Slide the provided silicone protective case onto the multimeter to enhance durability and provide drop protection.

The Aicevoos AS-118D Multimeter being fitted with its protective silicone case.

3. Connecting Test Leads

Insert the red test lead into the "VΩHz" jack and the black test lead into the "COM" jack for most measurements. For current measurements (up to 10A), insert the red lead into the "10A" jack.

Operating Instructions

Power On/Off

Press the power button (⏻) to turn the multimeter on or off. The device will automatically power off after 10 minutes of inactivity to conserve battery life.

Smart Mode (Default)

Upon powering on, the multimeter defaults to Smart Mode. In this mode, the device automatically detects and measures AC/DC voltage, resistance, and continuity without manual range selection.

The Aicevoos AS-118D Multimeter display showing Smart Mode with an analog bar graph for dynamic readings.

Manual Mode Selection

Press the "FUNC" button to cycle through different measurement functions if you need to manually select a specific mode not covered by Smart Mode, such as capacitance, frequency, diode, or temperature.

Specific Measurement Functions

Voltage Measurement (AC/DC)

1. Ensure the red test lead is in the "VΩHz" jack and the black lead in "COM".
2. Connect the test leads across the circuit or component to measure voltage. The multimeter will automatically detect AC or DC voltage in Smart Mode.

Current Measurement (AC/DC)

1. For currents up to 10A, insert the red test lead into the "10A" jack and the black lead into "COM".
2. Connect the multimeter in series with the circuit.

Resistance Measurement

1. Ensure the red test lead is in the "VΩHz" jack and the black lead in "COM".
2. Connect the test leads across the component to measure resistance. Ensure the circuit is de-energized.

The Aicevoos AS-118D Multimeter displaying a resistance measurement, with test leads connected to a resistor.

Continuity Test

1. Ensure the red test lead is in the "VΩHz" jack and the black lead in "COM".
2. Select continuity mode (if not in Smart Mode).
3. Touch the test leads to the points you wish to check for continuity. An audible beep indicates a continuous path.

The Aicevoos AS-118D Multimeter demonstrating continuity measurement (left) and diode measurement (right).

Capacitance Measurement

1. Ensure the red test lead is in the "VΩHz" jack and the black lead in "COM".
2. Select capacitance mode.
3. Connect the test leads across the capacitor. Ensure the capacitor is discharged before measurement.

The Aicevoos AS-118D Multimeter performing capacitance measurement (left) and temperature measurement with a K-type probe (right).

Temperature Measurement

1. Insert the K-type temperature probe into the appropriate jacks (usually "VΩHz" and "COM", or dedicated temperature jacks if present).
2. Select temperature mode.
3. Place the probe tip on the object or in the environment to be measured.

Non-Contact Voltage (NCV) Detection

1. Select NCV mode.
2. Move the top of the multimeter near a live wire or electrical outlet. The device will indicate the presence of AC voltage through an audible alarm and/or visual indicator.

The Aicevoos AS-118D Multimeter demonstrating Non-Contact Voltage (NCV) detection near a power strip.

Flashlight

Press the flashlight button (often integrated with the HOLD or NCV button, refer to device markings) to activate the built-in flashlight for illuminating dark work areas.

The Aicevoos AS-118D Multimeter in use, with its backlight and flashlight activated for visibility in a workshop setting.

Maintenance

Cleaning

Wipe the multimeter with a damp cloth. Do not use abrasive cleaners or solvents. Ensure the device is off and disconnected from any circuits before cleaning.

Battery Replacement

When the low battery indicator appears on the display, replace the batteries promptly to ensure accurate readings. Follow the battery installation steps outlined in the Setup section.

Fuse Replacement

If the multimeter fails to measure current, the fuse may need replacement. Refer to the device's internal markings for the correct fuse type (e.g., 10A fuse) and consult a qualified technician if unsure.

Troubleshooting

• No Display: Check battery installation and ensure batteries have sufficient charge.
• Inaccurate Readings: Verify test lead connections, ensure correct mode selection, and check battery level.
• No Continuity Beep: Confirm continuity mode is active and test leads are making good contact.
• No Current Measurement: Check the 10A fuse. Ensure test leads are correctly inserted for current measurement.

For issues not resolved by these steps, contact customer support.

Specifications

The following table details the technical specifications and measurement ranges of the Aicevoos AS-118D Smart Digital Multimeter:

Detailed parameters table for the Aicevoos AS-118D Multimeter, showing functions, ranges, resolutions, and precision.

General Specifications:

• Manufacturer: Aicevoos
• Model Number: 118 (AS-118D)
• Item Weight: 400 g
• Package Dimensions: 19.4 x 9.9 x 5.1 cm
• Color: Black
• Power Source: Battery Powered (2x 1.5V AAA batteries)
• Certifications: CE, FCC, RoHS