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Blue compact digital multimeter with backlit LCD display and test leads

Audiovox - Generic

Audiovox - Generic AM33D Digital Multimeter 2000 Counts electrical system tool

SKU CH-XKWQ-5TZZV MPN AM33D

A compact digital multimeter measuring AC/DC voltage, DC current, resistance, diode and continuity with a 1999-count backlit LCD, double-fuse protection and included battery and test leads

  • Features1 x AstroAI AM33D Digital Multimeter, 1 x 9V 6F22 Battery, 2
  • Height45 L x 139 W x 108 H millimeters
  • Width45 L x 139 W x 108 H millimeters
  • Length45 L x 139 W x 108 H millimeters
  • Weight253 grams
  • Sports Team1 Piece
  • Measures AC/DC voltage, DC current, resistance, and diode for versatile electrical troubleshooting
  • 1999-count backlit LCD with 2 samples per second gives clear readings in dim light
  • Double fuse and silicone cover protect against overload and accidental damage
  • Auto power-off, data hold, and continuity buzzer simplify everyday testing tasks
  • Compact 45 × 139 × 108 mm body weighs 253 g for easy portability

Compact automotive multimeter

The Audiovox AM33D is a pocket-sized digital multimeter designed for automotive and household electrical troubleshooting. It measures AC and DC voltage, DC current, resistance, diode function and continuity with a 2000-count display. The kit includes a 9 V battery, test leads and a manual, meeting IEC 61010 safety standards. It suits DIYers and technicians who need a basic diagnostic tool for vehicles, fuses, batteries and charging systems.

Build integration and safety features

The meter runs on the included 9 V 6F22 battery and requires no external power supply. A protective silicone cover shields the unit from drops and helps prevent electric shock. Double fuse protection guards against overload during measurements. The backlit LCD and data-hold function free the user to work in dim areas and capture readings without a second pair of hands. Auto power-off conserves battery life between jobs.

Sustained-use behaviour

Sampling runs at two readings per second, giving a steady update rate during extended testing sessions. The 1999-count 3½-digit display maintains polarity indication for both negative and positive values. Low-battery warning appears on screen before voltage drops affect accuracy. Operating range spans 32 °F to 104 °F, so the tool remains reliable during long periods in engine bays or outdoor environments. It cannot measure AC current or AC voltage below 100 mV.

Highlights

  • Measures AC/DC voltage, DC current, resistance, and diode for versatile electrical troubleshooting
  • 1999-count backlit LCD with 2 samples per second gives clear readings in dim light
  • Double fuse and silicone cover protect against overload and accidental damage
  • Auto power-off, data hold, and continuity buzzer simplify everyday testing tasks
  • Compact 45 × 139 × 108 mm body weighs 253 g for easy portability

Specifications

BrandAstroAI
Features1 x AstroAI AM33D Digital Multimeter, 1 x 9V 6F22 Battery, 2 x Test Leads, 1 x User Manual, Iec 61010, Battery Powered, true
Height45 L x 139 W x 108 H millimeters
Width45 L x 139 W x 108 H millimeters
Length45 L x 139 W x 108 H millimeters
Weight253 grams
Sports Team1 Piece
TypeMultimeters, Tach & Dwell Meters

Questions about this item

What is the maximum voltage the AM33D can measure continuously without overload?

The AM33D is rated for a maximum operating voltage of 500 volts, with a double fuse providing anti-burn and overload protection during sustained use.

How much heat does the meter generate during all-day operation and what is its operating temperature range?

The multimeter operates between 32 and 104 degrees Fahrenheit; its low-power, battery-powered design and auto-shutoff feature minimise heat buildup during extended sessions.

Which battery type must I have on hand for the AM33D to work out of the box?

A 9V 6F22 battery is required and is included in the package along with test leads and a user manual.

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