The AIYI AY43-053 Digital Multimeter is a compact handheld testing instrument designed for basic electrical measurement and troubleshooting tasks. It features a digital LCD screen, a rotary function selector and clearly marked input terminals.

The multimeter is supplied with red and black test leads and a battery visible inside the sealed retail packaging. Its portable design makes it suitable for technicians, electricians, students, hobbyists and general household electrical checks.

Key Features

Clear digital LCD display
Manual rotary function selector
DC voltage measurement
AC voltage measurement
DC current measurement
Resistance measurement
Diode testing function
Transistor hFE testing socket
Dedicated 10A input terminal
Colour-coded red and black test leads
Compact handheld design
CE marking visible on the packaging

Benefits

Combines several electrical testing functions in one compact instrument
Digital display allows readings to be viewed clearly
Rotary selector provides straightforward function and range selection
Portable size is convenient for toolboxes and work areas
Supplied test leads allow the user to begin testing once correctly set up
Suitable for basic fault finding, maintenance and educational applications
Colour-coded leads assist with correct terminal identification

What’s Included

1 × AIYI digital multimeter
1 × Red test lead
1 × Black test lead
1 × Battery visible inside the packaging
1 × Retail blister package

How to Use

Inspect the multimeter and test leads for damage before use.
Install the correct battery if it is not already installed.
Connect the black test lead to the COM terminal.
Connect the red test lead to the appropriate measurement terminal.
Turn the rotary selector to the required function and range.
Begin with the highest suitable range when the expected value is unknown.
Place the probes on the correct test points.
Read the measurement shown on the LCD.
Remove the probes from the circuit when testing is complete.
Turn the selector to the OFF position after use.

Compatibility / Applications

Suitable for basic testing of:

Batteries
Electrical circuits
Wires and cables
Electronic components
Small appliances
DIY electrical projects
Automotive electrical systems within the meter’s supported ranges
Educational electronics projects
Workshop troubleshooting
General maintenance tasks

Care & Maintenance

Keep the multimeter clean and dry.
Wipe the housing with a soft, dry cloth.
Do not use solvents or abrasive cleaning products.
Store the meter and test leads in a dry location.
Avoid dropping or striking the instrument.
Inspect the test leads regularly for exposed wiring or damaged insulation.
Remove the battery before extended storage.
Replace the internal fuse only with the correct specified type.
Do not modify the multimeter or its test leads.

Specifications

Brand: AIYI
Model shown on packaging: AY43-053
Product type: Digital multimeter
Display type: Digital LCD
Range selection: Manual rotary selector
DC voltage ranges shown: Up to 1000V
AC voltage ranges shown: Up to 750V
DC current range shown: Up to 10A
Resistance measurement: Yes
Diode test: Yes
Transistor hFE test: Yes
Input terminals: 10A, VΩmA and COM
Test leads: Red and black
Safety marking visible on meter: CAT I
Maximum marking visible near terminals: 500V
Packaging marking: CE
Colour: Yellow and black
Power source: Battery-operated
Battery type: Not clearly confirmed from the supplied image

Safety Information

Read the manufacturer’s instructions before using the multimeter.
Confirm the correct function, range and input terminal before every test.
Never measure voltage while the selector is set to a current or resistance range.
Disconnect circuit power before resistance, diode or transistor testing.
Do not exceed the limits printed on the multimeter.
Do not touch the exposed metal probe tips during testing.
Do not use damaged test leads or a damaged meter.
Do not test live circuits unless you are trained and authorised to do so.
The visible CAT I marking should be considered when determining whether the meter is appropriate for a specific electrical environment.
Keep the product away from children.

FAQs

What can this multimeter measure?
The visible selector markings indicate DC voltage, AC voltage, DC current and resistance measurement functions.

Does it include test leads?
Yes. Red and black test leads are visible inside the sealed packaging.

Does it have a digital display?
Yes. The meter has an LCD screen for displaying measurements.

Can it test transistors?
Yes. A transistor hFE testing socket is visible on the front panel.

Does it have a diode testing function?
Yes. A diode testing position is marked on the selector panel.

What is the maximum visible current range?
The front panel shows a dedicated 10A range and input terminal.

Is a battery included?
A battery is visible inside the supplied retail packaging. The exact battery type is not clearly confirmed in the photograph.

AIYI AY43-053 Digital Multimeter with Test Leads